(function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(require("get-pixels"), require("ndarray"), require("ndarray-linear-interpolate")); else if(typeof define === 'function' && define.amd) define(["get-pixels", "ndarray", "ndarray-linear-interpolate"], factory); else if(typeof exports === 'object') exports["Quagga"] = factory(require("get-pixels"), require("ndarray"), require("ndarray-linear-interpolate")); else root["Quagga"] = factory(root["get-pixels"], root["ndarray"], root["ndarray-linear-interpolate"]); })(this, function(__WEBPACK_EXTERNAL_MODULE_191__, __WEBPACK_EXTERNAL_MODULE_192__, __WEBPACK_EXTERNAL_MODULE_193__) { return /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) /******/ return installedModules[moduleId].e; /******/ /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ e: {}, /******/ i: moduleId, /******/ l: false /******/ }; /******/ /******/ // Execute the module function /******/ modules[moduleId].call(module.e, module, module.e, __webpack_require__); /******/ /******/ // Flag the module as loaded /******/ module.l = true; /******/ /******/ // Return the exports of the module /******/ return module.e; /******/ } /******/ /******/ /******/ // expose the modules object (__webpack_modules__) /******/ __webpack_require__.m = modules; /******/ /******/ // expose the module cache /******/ __webpack_require__.c = installedModules; /******/ /******/ // __webpack_public_path__ /******/ __webpack_require__.p = "/"; /******/ /******/ // Load entry module and return exports /******/ return __webpack_require__(__webpack_require__.s = 194); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; var logDisabled_ = false; // Utility methods. var utils = { disableLog: function(bool) { if (typeof bool !== 'boolean') { return new Error('Argument type: ' + typeof bool + '. Please use a boolean.'); } logDisabled_ = bool; return (bool) ? 'adapter.js logging disabled' : 'adapter.js logging enabled'; }, log: function() { if (typeof window === 'object') { if (logDisabled_) { return; } console.log.apply(console, arguments); } }, /** * Extract browser version out of the provided user agent string. * @param {!string} uastring userAgent string. * @param {!string} expr Regular expression used as match criteria. * @param {!number} pos position in the version string to be returned. * @return {!number} browser version. */ extractVersion: function(uastring, expr, pos) { var match = uastring.match(expr); return match && match.length >= pos && parseInt(match[pos], 10); }, /** * Browser detector. * @return {object} result containing browser, version and minVersion * properties. */ detectBrowser: function() { // Returned result object. var result = {}; result.browser = null; result.version = null; result.minVersion = null; if (typeof window === 'undefined' || !window.navigator) { result.browser = 'Not a browser.'; return result; } else if (navigator.mozGetUserMedia) { // Firefox. result.browser = 'firefox'; result.version = this.extractVersion(navigator.userAgent, /Firefox\/([0-9]+)\./, 1); result.minVersion = 31; } else if (navigator.webkitGetUserMedia && window.webkitRTCPeerConnection) { // Chrome, Chromium, WebView, Opera and other WebKit browsers. result.browser = 'chrome'; result.version = this.extractVersion(navigator.userAgent, /Chrom(e|ium)\/([0-9]+)\./, 2); result.minVersion = 38; } else if(navigator.mediaDevices && navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge. result.browser = 'edge'; result.version = this.extractVersion(navigator.userAgent, /Edge\/(\d+).(\d+)$/, 2); result.minVersion = 10547; } else { result.browser = 'Not a supported browser.'; return result; } // Warn if version is less than minVersion. if (result.version < result.minVersion) { utils.log('Browser: ' + result.browser + ' Version: ' + result.version + ' < minimum supported version: ' + result.minVersion + '\n some things might not work!'); } return result; } }; // Export. module.e = { log: utils.log, disableLog: utils.disableLog, browserDetails: utils.detectBrowser(), extractVersion: utils.extractVersion }; /***/ }, /* 1 */ /***/ function(module, exports, __webpack_require__) { /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @type {Function} * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(document.body.children); * // => false * * _.isArray('abc'); * // => false * * _.isArray(_.noop); * // => false */ var isArray = Array.isArray; module.e = isArray; /***/ }, /* 2 */ /***/ function(module, exports, __webpack_require__) { /** * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`. * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an object, else `false`. * @example * * _.isObject({}); * // => true * * _.isObject([1, 2, 3]); * // => true * * _.isObject(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return !!value && (type == 'object' || type == 'function'); } module.e = isObject; /***/ }, /* 3 */ /***/ function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(module, global) {var checkGlobal = __webpack_require__(130); /** Used to determine if values are of the language type `Object`. */ var objectTypes = { 'function': true, 'object': true }; /** Detect free variable `exports`. */ var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) ? exports : undefined; /** Detect free variable `module`. */ var freeModule = (objectTypes[typeof module] && module && !module.nodeType) ? module : undefined; /** Detect free variable `global` from Node.js. */ var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global); /** Detect free variable `self`. */ var freeSelf = checkGlobal(objectTypes[typeof self] && self); /** Detect free variable `window`. */ var freeWindow = checkGlobal(objectTypes[typeof window] && window); /** Detect `this` as the global object. */ var thisGlobal = checkGlobal(objectTypes[typeof this] && this); /** * Used as a reference to the global object. * * The `this` value is used if it's the global object to avoid Greasemonkey's * restricted `window` object, otherwise the `window` object is used. */ var root = freeGlobal || ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) || freeSelf || thisGlobal || Function('return this')(); module.e = root; /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(66)(module), (function() { return this; }()))) /***/ }, /* 4 */ /***/ function(module, exports, __webpack_require__) { /** * Checks if `value` is object-like. A value is object-like if it's not `null` * and has a `typeof` result of "object". * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is object-like, else `false`. * @example * * _.isObjectLike({}); * // => true * * _.isObjectLike([1, 2, 3]); * // => true * * _.isObjectLike(_.noop); * // => false * * _.isObjectLike(null); * // => false */ function isObjectLike(value) { return !!value && typeof value == 'object'; } module.e = isObjectLike; /***/ }, /* 5 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _merge2 = __webpack_require__(12); var _merge3 = _interopRequireDefault(_merge2); var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function EANReader(opts, supplements) { opts = (0, _merge3.default)(getDefaulConfig(), opts); _barcode_reader2.default.call(this, opts, supplements); } function getDefaulConfig() { var config = {}; Object.keys(EANReader.CONFIG_KEYS).forEach(function (key) { config[key] = EANReader.CONFIG_KEYS[key].default; }); return config; } var properties = { CODE_L_START: { value: 0 }, CODE_G_START: { value: 10 }, START_PATTERN: { value: [1, 1, 1] }, STOP_PATTERN: { value: [1, 1, 1] }, MIDDLE_PATTERN: { value: [1, 1, 1, 1, 1] }, EXTENSION_START_PATTERN: { value: [1, 1, 2] }, CODE_PATTERN: { value: [[3, 2, 1, 1], [2, 2, 2, 1], [2, 1, 2, 2], [1, 4, 1, 1], [1, 1, 3, 2], [1, 2, 3, 1], [1, 1, 1, 4], [1, 3, 1, 2], [1, 2, 1, 3], [3, 1, 1, 2], [1, 1, 2, 3], [1, 2, 2, 2], [2, 2, 1, 2], [1, 1, 4, 1], [2, 3, 1, 1], [1, 3, 2, 1], [4, 1, 1, 1], [2, 1, 3, 1], [3, 1, 2, 1], [2, 1, 1, 3]] }, CODE_FREQUENCY: { value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26] }, SINGLE_CODE_ERROR: { value: 0.70 }, AVG_CODE_ERROR: { value: 0.48 }, FORMAT: { value: "ean_13", writeable: false } }; EANReader.prototype = Object.create(_barcode_reader2.default.prototype, properties); EANReader.prototype.constructor = EANReader; EANReader.prototype._decodeCode = function (start, coderange) { var counter = [0, 0, 0, 0], i, self = this, offset = start, isWhite = !self._row[offset], counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: start, end: start }, code, error; if (!coderange) { coderange = self.CODE_PATTERN.length; } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { for (code = 0; code < coderange; code++) { error = self._matchPattern(counter, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } bestMatch.end = i; if (bestMatch.error > self.AVG_CODE_ERROR) { return null; } return bestMatch; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; EANReader.prototype._findPattern = function (pattern, offset, isWhite, tryHarder, epsilon) { var counter = [], self = this, i, counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }, error, j, sum; if (!offset) { offset = self._nextSet(self._row); } if (isWhite === undefined) { isWhite = false; } if (tryHarder === undefined) { tryHarder = true; } if (epsilon === undefined) { epsilon = self.AVG_CODE_ERROR; } for (i = 0; i < pattern.length; i++) { counter[i] = 0; } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { sum = 0; for (j = 0; j < counter.length; j++) { sum += counter[j]; } error = self._matchPattern(counter, pattern); if (error < epsilon) { bestMatch.error = error; bestMatch.start = i - sum; bestMatch.end = i; return bestMatch; } if (tryHarder) { for (j = 0; j < counter.length - 2; j++) { counter[j] = counter[j + 2]; } counter[counter.length - 2] = 0; counter[counter.length - 1] = 0; counterPos--; } else { return null; } } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; EANReader.prototype._findStart = function () { var self = this, leadingWhitespaceStart, offset = self._nextSet(self._row), startInfo; while (!startInfo) { startInfo = self._findPattern(self.START_PATTERN, offset); if (!startInfo) { return null; } leadingWhitespaceStart = startInfo.start - (startInfo.end - startInfo.start); if (leadingWhitespaceStart >= 0) { if (self._matchRange(leadingWhitespaceStart, startInfo.start, 0)) { return startInfo; } } offset = startInfo.end; startInfo = null; } }; EANReader.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start); if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } return null; }; EANReader.prototype._findEnd = function (offset, isWhite) { var self = this, endInfo = self._findPattern(self.STOP_PATTERN, offset, isWhite, false); return endInfo !== null ? self._verifyTrailingWhitespace(endInfo) : null; }; EANReader.prototype._calculateFirstDigit = function (codeFrequency) { var i, self = this; for (i = 0; i < self.CODE_FREQUENCY.length; i++) { if (codeFrequency === self.CODE_FREQUENCY[i]) { return i; } } return null; }; EANReader.prototype._decodePayload = function (code, result, decodedCodes) { var i, self = this, codeFrequency = 0x0, firstDigit; for (i = 0; i < 6; i++) { code = self._decodeCode(code.end); if (!code) { return null; } if (code.code >= self.CODE_G_START) { code.code = code.code - self.CODE_G_START; codeFrequency |= 1 << 5 - i; } else { codeFrequency |= 0 << 5 - i; } result.push(code.code); decodedCodes.push(code); } firstDigit = self._calculateFirstDigit(codeFrequency); if (firstDigit === null) { return null; } result.unshift(firstDigit); code = self._findPattern(self.MIDDLE_PATTERN, code.end, true, false); if (code === null) { return null; } decodedCodes.push(code); for (i = 0; i < 6; i++) { code = self._decodeCode(code.end, self.CODE_G_START); if (!code) { return null; } decodedCodes.push(code); result.push(code.code); } return code; }; EANReader.prototype._decode = function () { var startInfo, self = this, code, result = [], decodedCodes = [], resultInfo = {}; startInfo = self._findStart(); if (!startInfo) { return null; } code = { code: startInfo.code, start: startInfo.start, end: startInfo.end }; decodedCodes.push(code); code = self._decodePayload(code, result, decodedCodes); if (!code) { return null; } code = self._findEnd(code.end, false); if (!code) { return null; } decodedCodes.push(code); // Checksum if (!self._checksum(result)) { return null; } if (this.supplements.length > 0) { var ext = this._decodeExtensions(code.end); if (!ext) { return null; } var lastCode = ext.decodedCodes[ext.decodedCodes.length - 1], endInfo = { start: lastCode.start + ((lastCode.end - lastCode.start) / 2 | 0), end: lastCode.end }; if (!self._verifyTrailingWhitespace(endInfo)) { return null; } resultInfo = { supplement: ext, code: result.join("") + ext.code }; } return _extends({ code: result.join(""), start: startInfo.start, end: code.end, codeset: "", startInfo: startInfo, decodedCodes: decodedCodes }, resultInfo); }; EANReader.prototype._decodeExtensions = function (offset) { var i, start = this._nextSet(this._row, offset), startInfo = this._findPattern(this.EXTENSION_START_PATTERN, start, false, false), result; if (startInfo === null) { return null; } for (i = 0; i < this.supplements.length; i++) { result = this.supplements[i].decode(this._row, startInfo.end); if (result !== null) { return { code: result.code, start: start, startInfo: startInfo, end: result.end, codeset: "", decodedCodes: result.decodedCodes }; } } return null; }; EANReader.prototype._checksum = function (result) { var sum = 0, i; for (i = result.length - 2; i >= 0; i -= 2) { sum += result[i]; } sum *= 3; for (i = result.length - 1; i >= 0; i -= 2) { sum += result[i]; } return sum % 10 === 0; }; EANReader.CONFIG_KEYS = { supplements: { 'type': 'arrayOf(string)', 'default': [], 'description': 'Allowed extensions to be decoded (2 and/or 5)' } }; exports.default = EANReader; /***/ }, /* 6 */ /***/ function(module, exports, __webpack_require__) { var getNative = __webpack_require__(16), root = __webpack_require__(3); /* Built-in method references that are verified to be native. */ var Map = getNative(root, 'Map'); module.e = Map; /***/ }, /* 7 */ /***/ function(module, exports) { "use strict"; exports.__esModule = true; exports.default = { drawRect: function drawRect(pos, size, ctx, style) { ctx.strokeStyle = style.color; ctx.fillStyle = style.color; ctx.lineWidth = 1; ctx.beginPath(); ctx.strokeRect(pos.x, pos.y, size.x, size.y); }, drawPath: function drawPath(path, def, ctx, style) { ctx.strokeStyle = style.color; ctx.fillStyle = style.color; ctx.lineWidth = style.lineWidth; ctx.beginPath(); ctx.moveTo(path[0][def.x], path[0][def.y]); for (var j = 1; j < path.length; j++) { ctx.lineTo(path[j][def.x], path[j][def.y]); } ctx.closePath(); ctx.stroke(); }, drawImage: function drawImage(imageData, size, ctx) { var canvasData = ctx.getImageData(0, 0, size.x, size.y), data = canvasData.data, imageDataPos = imageData.length, canvasDataPos = data.length, value; if (canvasDataPos / imageDataPos !== 4) { return false; } while (imageDataPos--) { value = imageData[imageDataPos]; data[--canvasDataPos] = 255; data[--canvasDataPos] = value; data[--canvasDataPos] = value; data[--canvasDataPos] = value; } ctx.putImageData(canvasData, 0, 0); return true; } }; /***/ }, /* 8 */ /***/ function(module, exports) { 'use strict'; exports.__esModule = true; function BarcodeReader(config, supplements) { this._row = []; this.config = config || {}; this.supplements = supplements; return this; } BarcodeReader.prototype._nextUnset = function (line, start) { var i; if (start === undefined) { start = 0; } for (i = start; i < line.length; i++) { if (!line[i]) { return i; } } return line.length; }; BarcodeReader.prototype._matchPattern = function (counter, code, maxSingleError) { var i, error = 0, singleError = 0, sum = 0, modulo = 0, barWidth, count, scaled; maxSingleError = maxSingleError || this.SINGLE_CODE_ERROR || 1; for (i = 0; i < counter.length; i++) { sum += counter[i]; modulo += code[i]; } if (sum < modulo) { return Number.MAX_VALUE; } barWidth = sum / modulo; maxSingleError *= barWidth; for (i = 0; i < counter.length; i++) { count = counter[i]; scaled = code[i] * barWidth; singleError = Math.abs(count - scaled) / scaled; if (singleError > maxSingleError) { return Number.MAX_VALUE; } error += singleError; } return error / modulo; }; BarcodeReader.prototype._nextSet = function (line, offset) { var i; offset = offset || 0; for (i = offset; i < line.length; i++) { if (line[i]) { return i; } } return line.length; }; BarcodeReader.prototype._correctBars = function (counter, correction, indices) { var length = indices.length, tmp = 0; while (length--) { tmp = counter[indices[length]] * (1 - (1 - correction) / 2); if (tmp > 1) { counter[indices[length]] = tmp; } } }; BarcodeReader.prototype._matchTrace = function (cmpCounter, epsilon) { var counter = [], i, self = this, offset = self._nextSet(self._row), isWhite = !self._row[offset], counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0 }, error; if (cmpCounter) { for (i = 0; i < cmpCounter.length; i++) { counter.push(0); } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { error = self._matchPattern(counter, cmpCounter); if (error < epsilon) { bestMatch.start = i - offset; bestMatch.end = i; bestMatch.counter = counter; return bestMatch; } else { return null; } } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } } else { counter.push(0); for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { counterPos++; counter.push(0); counter[counterPos] = 1; isWhite = !isWhite; } } } // if cmpCounter was not given bestMatch.start = offset; bestMatch.end = self._row.length - 1; bestMatch.counter = counter; return bestMatch; }; BarcodeReader.prototype.decodePattern = function (pattern) { var self = this, result; self._row = pattern; result = self._decode(); if (result === null) { self._row.reverse(); result = self._decode(); if (result) { result.direction = BarcodeReader.DIRECTION.REVERSE; result.start = self._row.length - result.start; result.end = self._row.length - result.end; } } else { result.direction = BarcodeReader.DIRECTION.FORWARD; } if (result) { result.format = self.FORMAT; } return result; }; BarcodeReader.prototype._matchRange = function (start, end, value) { var i; start = start < 0 ? 0 : start; for (i = start; i < end; i++) { if (this._row[i] !== value) { return false; } } return true; }; BarcodeReader.prototype._fillCounters = function (offset, end, isWhite) { var self = this, counterPos = 0, i, counters = []; isWhite = typeof isWhite !== 'undefined' ? isWhite : true; offset = typeof offset !== 'undefined' ? offset : self._nextUnset(self._row); end = end || self._row.length; counters[counterPos] = 0; for (i = offset; i < end; i++) { if (self._row[i] ^ isWhite) { counters[counterPos]++; } else { counterPos++; counters[counterPos] = 1; isWhite = !isWhite; } } return counters; }; Object.defineProperty(BarcodeReader.prototype, "FORMAT", { value: 'unknown', writeable: false }); BarcodeReader.DIRECTION = { FORWARD: 1, REVERSE: -1 }; BarcodeReader.Exception = { StartNotFoundException: "Start-Info was not found!", CodeNotFoundException: "Code could not be found!", PatternNotFoundException: "Pattern could not be found!" }; BarcodeReader.CONFIG_KEYS = {}; exports.default = BarcodeReader; /***/ }, /* 9 */ /***/ function(module, exports, __webpack_require__) { module.e = clone /** * Creates a new vec2 initialized with values from an existing vector * * @param {vec2} a vector to clone * @returns {vec2} a new 2D vector */ function clone(a) { var out = new Float32Array(2) out[0] = a[0] out[1] = a[1] return out } /***/ }, /* 10 */ /***/ function(module, exports, __webpack_require__) { var isArrayLikeObject = __webpack_require__(32); /** `Object#toString` result references. */ var argsTag = '[object Arguments]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** Built-in value references. */ var propertyIsEnumerable = objectProto.propertyIsEnumerable; /** * Checks if `value` is likely an `arguments` object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isArguments(function() { return arguments; }()); * // => true * * _.isArguments([1, 2, 3]); * // => false */ function isArguments(value) { // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode. return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') && (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag); } module.e = isArguments; /***/ }, /* 11 */ /***/ function(module, exports, __webpack_require__) { var isObject = __webpack_require__(2); /** `Object#toString` result references. */ var funcTag = '[object Function]', genTag = '[object GeneratorFunction]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** * Checks if `value` is classified as a `Function` object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isFunction(_); * // => true * * _.isFunction(/abc/); * // => false */ function isFunction(value) { // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 8 which returns 'object' for typed array and weak map constructors, // and PhantomJS 1.9 which returns 'function' for `NodeList` instances. var tag = isObject(value) ? objectToString.call(value) : ''; return tag == funcTag || tag == genTag; } module.e = isFunction; /***/ }, /* 12 */ /***/ function(module, exports, __webpack_require__) { var baseMerge = __webpack_require__(122), createAssigner = __webpack_require__(139); /** * This method is like `_.assign` except that it recursively merges own and * inherited enumerable properties of source objects into the destination * object. Source properties that resolve to `undefined` are skipped if a * destination value exists. Array and plain object properties are merged * recursively.Other objects and value types are overridden by assignment. * Source objects are applied from left to right. Subsequent sources * overwrite property assignments of previous sources. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @example * * var users = { * 'data': [{ 'user': 'barney' }, { 'user': 'fred' }] * }; * * var ages = { * 'data': [{ 'age': 36 }, { 'age': 40 }] * }; * * _.merge(users, ages); * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] } */ var merge = createAssigner(function(object, source, srcIndex) { baseMerge(object, source, srcIndex); }); module.e = merge; /***/ }, /* 13 */ /***/ function(module, exports) { "use strict"; exports.__esModule = true; exports.default = { init: function init(arr, val) { var l = arr.length; while (l--) { arr[l] = val; } }, /** * Shuffles the content of an array * @return {Array} the array itself shuffled */ shuffle: function shuffle(arr) { var i = arr.length - 1, j, x; for (i; i >= 0; i--) { j = Math.floor(Math.random() * i); x = arr[i]; arr[i] = arr[j]; arr[j] = x; } return arr; }, toPointList: function toPointList(arr) { var i, j, row = [], rows = []; for (i = 0; i < arr.length; i++) { row = []; for (j = 0; j < arr[i].length; j++) { row[j] = arr[i][j]; } rows[i] = "[" + row.join(",") + "]"; } return "[" + rows.join(",\r\n") + "]"; }, /** * returns the elements which's score is bigger than the threshold * @return {Array} the reduced array */ threshold: function threshold(arr, _threshold, scoreFunc) { var i, queue = []; for (i = 0; i < arr.length; i++) { if (scoreFunc.apply(arr, [arr[i]]) >= _threshold) { queue.push(arr[i]); } } return queue; }, maxIndex: function maxIndex(arr) { var i, max = 0; for (i = 0; i < arr.length; i++) { if (arr[i] > arr[max]) { max = i; } } return max; }, max: function max(arr) { var i, max = 0; for (i = 0; i < arr.length; i++) { if (arr[i] > max) { max = arr[i]; } } return max; }, sum: function sum(arr) { var length = arr.length, sum = 0; while (length--) { sum += arr[length]; } return sum; } }; /***/ }, /* 14 */ /***/ function(module, exports, __webpack_require__) { var stackClear = __webpack_require__(162), stackDelete = __webpack_require__(163), stackGet = __webpack_require__(164), stackHas = __webpack_require__(165), stackSet = __webpack_require__(166); /** * Creates a stack cache object to store key-value pairs. * * @private * @constructor * @param {Array} [values] The values to cache. */ function Stack(values) { var index = -1, length = values ? values.length : 0; this.clear(); while (++index < length) { var entry = values[index]; this.set(entry[0], entry[1]); } } // Add functions to the `Stack` cache. Stack.prototype.clear = stackClear; Stack.prototype['delete'] = stackDelete; Stack.prototype.get = stackGet; Stack.prototype.has = stackHas; Stack.prototype.set = stackSet; module.e = Stack; /***/ }, /* 15 */ /***/ function(module, exports, __webpack_require__) { var eq = __webpack_require__(21); /** * Gets the index at which the first occurrence of `key` is found in `array` * of key-value pairs. * * @private * @param {Array} array The array to search. * @param {*} key The key to search for. * @returns {number} Returns the index of the matched value, else `-1`. */ function assocIndexOf(array, key) { var length = array.length; while (length--) { if (eq(array[length][0], key)) { return length; } } return -1; } module.e = assocIndexOf; /***/ }, /* 16 */ /***/ function(module, exports, __webpack_require__) { var isNative = __webpack_require__(173); /** * Gets the native function at `key` of `object`. * * @private * @param {Object} object The object to query. * @param {string} key The key of the method to get. * @returns {*} Returns the function if it's native, else `undefined`. */ function getNative(object, key) { var value = object[key]; return isNative(value) ? value : undefined; } module.e = getNative; /***/ }, /* 17 */ /***/ function(module, exports, __webpack_require__) { /** * Checks if `value` is a host object in IE < 9. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a host object, else `false`. */ function isHostObject(value) { // Many host objects are `Object` objects that can coerce to strings // despite having improperly defined `toString` methods. var result = false; if (value != null && typeof value.toString != 'function') { try { result = !!(value + ''); } catch (e) {} } return result; } module.e = isHostObject; /***/ }, /* 18 */ /***/ function(module, exports, __webpack_require__) { /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** Used to detect unsigned integer values. */ var reIsUint = /^(?:0|[1-9]\d*)$/; /** * Checks if `value` is a valid array-like index. * * @private * @param {*} value The value to check. * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. */ function isIndex(value, length) { value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1; length = length == null ? MAX_SAFE_INTEGER : length; return value > -1 && value % 1 == 0 && value < length; } module.e = isIndex; /***/ }, /* 19 */ /***/ function(module, exports, __webpack_require__) { /** * Checks if `value` is suitable for use as unique object key. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is suitable, else `false`. */ function isKeyable(value) { var type = typeof value; return type == 'number' || type == 'boolean' || (type == 'string' && value != '__proto__') || value == null; } module.e = isKeyable; /***/ }, /* 20 */ /***/ function(module, exports, __webpack_require__) { var getNative = __webpack_require__(16); /* Built-in method references that are verified to be native. */ var nativeCreate = getNative(Object, 'create'); module.e = nativeCreate; /***/ }, /* 21 */ /***/ function(module, exports, __webpack_require__) { /** * Performs a [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) * comparison between two values to determine if they are equivalent. * * @static * @memberOf _ * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'user': 'fred' }; * var other = { 'user': 'fred' }; * * _.eq(object, object); * // => true * * _.eq(object, other); * // => false * * _.eq('a', 'a'); * // => true * * _.eq('a', Object('a')); * // => false * * _.eq(NaN, NaN); * // => true */ function eq(value, other) { return value === other || (value !== value && other !== other); } module.e = eq; /***/ }, /* 22 */ /***/ function(module, exports, __webpack_require__) { var getLength = __webpack_require__(143), isFunction = __webpack_require__(11), isLength = __webpack_require__(23); /** * Checks if `value` is array-like. A value is considered array-like if it's * not a function and has a `value.length` that's an integer greater than or * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is array-like, else `false`. * @example * * _.isArrayLike([1, 2, 3]); * // => true * * _.isArrayLike(document.body.children); * // => true * * _.isArrayLike('abc'); * // => true * * _.isArrayLike(_.noop); * // => false */ function isArrayLike(value) { return value != null && isLength(getLength(value)) && !isFunction(value); } module.e = isArrayLike; /***/ }, /* 23 */ /***/ function(module, exports, __webpack_require__) { /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** * Checks if `value` is a valid array-like length. * * **Note:** This function is loosely based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength). * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. * @example * * _.isLength(3); * // => true * * _.isLength(Number.MIN_VALUE); * // => false * * _.isLength(Infinity); * // => false * * _.isLength('3'); * // => false */ function isLength(value) { return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; } module.e = isLength; /***/ }, /* 24 */ /***/ function(module, exports, __webpack_require__) { var baseHas = __webpack_require__(52), baseKeys = __webpack_require__(118), indexKeys = __webpack_require__(60), isArrayLike = __webpack_require__(22), isIndex = __webpack_require__(18), isPrototype = __webpack_require__(31); /** * Creates an array of the own enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. See the * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys) * for more details. * * @static * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keys(new Foo); * // => ['a', 'b'] (iteration order is not guaranteed) * * _.keys('hi'); * // => ['0', '1'] */ function keys(object) { var isProto = isPrototype(object); if (!(isProto || isArrayLike(object))) { return baseKeys(object); } var indexes = indexKeys(object), skipIndexes = !!indexes, result = indexes || [], length = result.length; for (var key in object) { if (baseHas(object, key) && !(skipIndexes && (key == 'length' || isIndex(key, length))) && !(isProto && key == 'constructor')) { result.push(key); } } return result; } module.e = keys; /***/ }, /* 25 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; exports._dimensionsConverters = exports.ERODE = exports.DILATE = exports.Tracer = undefined; exports.imageRef = imageRef; exports.computeIntegralImage2 = computeIntegralImage2; exports.computeIntegralImage = computeIntegralImage; exports.thresholdImage = thresholdImage; exports.computeHistogram = computeHistogram; exports.sharpenLine = sharpenLine; exports.determineOtsuThreshold = determineOtsuThreshold; exports.otsuThreshold = otsuThreshold; exports.computeBinaryImage = computeBinaryImage; exports.cluster = cluster; exports.dilate = dilate; exports.erode = erode; exports.subtract = subtract; exports.bitwiseOr = bitwiseOr; exports.countNonZero = countNonZero; exports.topGeneric = topGeneric; exports.grayArrayFromImage = grayArrayFromImage; exports.grayArrayFromContext = grayArrayFromContext; exports.grayAndHalfSampleFromCanvasData = grayAndHalfSampleFromCanvasData; exports.computeGray = computeGray; exports.loadImageArray = loadImageArray; exports.halfSample = halfSample; exports.hsv2rgb = hsv2rgb; exports._computeDivisors = _computeDivisors; exports.calculatePatchSize = calculatePatchSize; exports._parseCSSDimensionValues = _parseCSSDimensionValues; exports.computeImageArea = computeImageArea; var _cluster = __webpack_require__(70); var _cluster2 = _interopRequireDefault(_cluster); var _array_helper = __webpack_require__(13); var _array_helper2 = _interopRequireDefault(_array_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var vec2 = { clone: __webpack_require__(9) }; var vec3 = { clone: __webpack_require__(96) }; /** * @param x x-coordinate * @param y y-coordinate * @return ImageReference {x,y} Coordinate */ function imageRef(x, y) { var that = { x: x, y: y, toVec2: function toVec2() { return vec2.clone([this.x, this.y]); }, toVec3: function toVec3() { return vec3.clone([this.x, this.y, 1]); }, round: function round() { this.x = this.x > 0.0 ? Math.floor(this.x + 0.5) : Math.floor(this.x - 0.5); this.y = this.y > 0.0 ? Math.floor(this.y + 0.5) : Math.floor(this.y - 0.5); return this; } }; return that; }; /** * Computes an integral image of a given grayscale image. * @param imageDataContainer {ImageDataContainer} the image to be integrated */ function computeIntegralImage2(imageWrapper, integralWrapper) { var imageData = imageWrapper.data; var width = imageWrapper.size.x; var height = imageWrapper.size.y; var integralImageData = integralWrapper.data; var sum = 0, posA = 0, posB = 0, posC = 0, posD = 0, x, y; // sum up first column posB = width; sum = 0; for (y = 1; y < height; y++) { sum += imageData[posA]; integralImageData[posB] += sum; posA += width; posB += width; } posA = 0; posB = 1; sum = 0; for (x = 1; x < width; x++) { sum += imageData[posA]; integralImageData[posB] += sum; posA++; posB++; } for (y = 1; y < height; y++) { posA = y * width + 1; posB = (y - 1) * width + 1; posC = y * width; posD = (y - 1) * width; for (x = 1; x < width; x++) { integralImageData[posA] += imageData[posA] + integralImageData[posB] + integralImageData[posC] - integralImageData[posD]; posA++; posB++; posC++; posD++; } } }; function computeIntegralImage(imageWrapper, integralWrapper) { var imageData = imageWrapper.data; var width = imageWrapper.size.x; var height = imageWrapper.size.y; var integralImageData = integralWrapper.data; var sum = 0; // sum up first row for (var i = 0; i < width; i++) { sum += imageData[i]; integralImageData[i] = sum; } for (var v = 1; v < height; v++) { sum = 0; for (var u = 0; u < width; u++) { sum += imageData[v * width + u]; integralImageData[v * width + u] = sum + integralImageData[(v - 1) * width + u]; } } }; function thresholdImage(imageWrapper, threshold, targetWrapper) { if (!targetWrapper) { targetWrapper = imageWrapper; } var imageData = imageWrapper.data, length = imageData.length, targetData = targetWrapper.data; while (length--) { targetData[length] = imageData[length] < threshold ? 1 : 0; } }; function computeHistogram(imageWrapper, bitsPerPixel) { if (!bitsPerPixel) { bitsPerPixel = 8; } var imageData = imageWrapper.data, length = imageData.length, bitShift = 8 - bitsPerPixel, bucketCnt = 1 << bitsPerPixel, hist = new Int32Array(bucketCnt); while (length--) { hist[imageData[length] >> bitShift]++; } return hist; }; function sharpenLine(line) { var i, length = line.length, left = line[0], center = line[1], right; for (i = 1; i < length - 1; i++) { right = line[i + 1]; // -1 4 -1 kernel line[i - 1] = center * 2 - left - right & 255; left = center; center = right; } return line; }; function determineOtsuThreshold(imageWrapper, bitsPerPixel) { if (!bitsPerPixel) { bitsPerPixel = 8; } var hist, threshold, bitShift = 8 - bitsPerPixel; function px(init, end) { var sum = 0, i; for (i = init; i <= end; i++) { sum += hist[i]; } return sum; } function mx(init, end) { var i, sum = 0; for (i = init; i <= end; i++) { sum += i * hist[i]; } return sum; } function determineThreshold() { var vet = [0], p1, p2, p12, k, m1, m2, m12, max = (1 << bitsPerPixel) - 1; hist = computeHistogram(imageWrapper, bitsPerPixel); for (k = 1; k < max; k++) { p1 = px(0, k); p2 = px(k + 1, max); p12 = p1 * p2; if (p12 === 0) { p12 = 1; } m1 = mx(0, k) * p2; m2 = mx(k + 1, max) * p1; m12 = m1 - m2; vet[k] = m12 * m12 / p12; } return _array_helper2.default.maxIndex(vet); } threshold = determineThreshold(); return threshold << bitShift; }; function otsuThreshold(imageWrapper, targetWrapper) { var threshold = determineOtsuThreshold(imageWrapper); thresholdImage(imageWrapper, threshold, targetWrapper); return threshold; }; // local thresholding function computeBinaryImage(imageWrapper, integralWrapper, targetWrapper) { computeIntegralImage(imageWrapper, integralWrapper); if (!targetWrapper) { targetWrapper = imageWrapper; } var imageData = imageWrapper.data; var targetData = targetWrapper.data; var width = imageWrapper.size.x; var height = imageWrapper.size.y; var integralImageData = integralWrapper.data; var sum = 0, v, u, kernel = 3, A, B, C, D, avg, size = (kernel * 2 + 1) * (kernel * 2 + 1); // clear out top & bottom-border for (v = 0; v <= kernel; v++) { for (u = 0; u < width; u++) { targetData[v * width + u] = 0; targetData[(height - 1 - v) * width + u] = 0; } } // clear out left & right border for (v = kernel; v < height - kernel; v++) { for (u = 0; u <= kernel; u++) { targetData[v * width + u] = 0; targetData[v * width + (width - 1 - u)] = 0; } } for (v = kernel + 1; v < height - kernel - 1; v++) { for (u = kernel + 1; u < width - kernel; u++) { A = integralImageData[(v - kernel - 1) * width + (u - kernel - 1)]; B = integralImageData[(v - kernel - 1) * width + (u + kernel)]; C = integralImageData[(v + kernel) * width + (u - kernel - 1)]; D = integralImageData[(v + kernel) * width + (u + kernel)]; sum = D - C - B + A; avg = sum / size; targetData[v * width + u] = imageData[v * width + u] > avg + 5 ? 0 : 1; } } }; function cluster(points, threshold, property) { var i, k, cluster, point, clusters = []; if (!property) { property = "rad"; } function addToCluster(newPoint) { var found = false; for (k = 0; k < clusters.length; k++) { cluster = clusters[k]; if (cluster.fits(newPoint)) { cluster.add(newPoint); found = true; } } return found; } // iterate over each cloud for (i = 0; i < points.length; i++) { point = _cluster2.default.createPoint(points[i], i, property); if (!addToCluster(point)) { clusters.push(_cluster2.default.create(point, threshold)); } } return clusters; }; var Tracer = exports.Tracer = { trace: function trace(points, vec) { var iteration, maxIterations = 10, top = [], result = [], centerPos = 0, currentPos = 0; function trace(idx, forward) { var from, to, toIdx, predictedPos, thresholdX = 1, thresholdY = Math.abs(vec[1] / 10), found = false; function match(pos, predicted) { if (pos.x > predicted.x - thresholdX && pos.x < predicted.x + thresholdX && pos.y > predicted.y - thresholdY && pos.y < predicted.y + thresholdY) { return true; } else { return false; } } // check if the next index is within the vec specifications // if not, check as long as the threshold is met from = points[idx]; if (forward) { predictedPos = { x: from.x + vec[0], y: from.y + vec[1] }; } else { predictedPos = { x: from.x - vec[0], y: from.y - vec[1] }; } toIdx = forward ? idx + 1 : idx - 1; to = points[toIdx]; while (to && (found = match(to, predictedPos)) !== true && Math.abs(to.y - from.y) < vec[1]) { toIdx = forward ? toIdx + 1 : toIdx - 1; to = points[toIdx]; } return found ? toIdx : null; } for (iteration = 0; iteration < maxIterations; iteration++) { // randomly select point to start with centerPos = Math.floor(Math.random() * points.length); // trace forward top = []; currentPos = centerPos; top.push(points[currentPos]); while ((currentPos = trace(currentPos, true)) !== null) { top.push(points[currentPos]); } if (centerPos > 0) { currentPos = centerPos; while ((currentPos = trace(currentPos, false)) !== null) { top.push(points[currentPos]); } } if (top.length > result.length) { result = top; } } return result; } }; var DILATE = exports.DILATE = 1; var ERODE = exports.ERODE = 2; function dilate(inImageWrapper, outImageWrapper) { var v, u, inImageData = inImageWrapper.data, outImageData = outImageWrapper.data, height = inImageWrapper.size.y, width = inImageWrapper.size.x, sum, yStart1, yStart2, xStart1, xStart2; for (v = 1; v < height - 1; v++) { for (u = 1; u < width - 1; u++) { yStart1 = v - 1; yStart2 = v + 1; xStart1 = u - 1; xStart2 = u + 1; sum = inImageData[yStart1 * width + xStart1] + inImageData[yStart1 * width + xStart2] + inImageData[v * width + u] + inImageData[yStart2 * width + xStart1] + inImageData[yStart2 * width + xStart2]; outImageData[v * width + u] = sum > 0 ? 1 : 0; } } }; function erode(inImageWrapper, outImageWrapper) { var v, u, inImageData = inImageWrapper.data, outImageData = outImageWrapper.data, height = inImageWrapper.size.y, width = inImageWrapper.size.x, sum, yStart1, yStart2, xStart1, xStart2; for (v = 1; v < height - 1; v++) { for (u = 1; u < width - 1; u++) { yStart1 = v - 1; yStart2 = v + 1; xStart1 = u - 1; xStart2 = u + 1; sum = inImageData[yStart1 * width + xStart1] + inImageData[yStart1 * width + xStart2] + inImageData[v * width + u] + inImageData[yStart2 * width + xStart1] + inImageData[yStart2 * width + xStart2]; outImageData[v * width + u] = sum === 5 ? 1 : 0; } } }; function subtract(aImageWrapper, bImageWrapper, resultImageWrapper) { if (!resultImageWrapper) { resultImageWrapper = aImageWrapper; } var length = aImageWrapper.data.length, aImageData = aImageWrapper.data, bImageData = bImageWrapper.data, cImageData = resultImageWrapper.data; while (length--) { cImageData[length] = aImageData[length] - bImageData[length]; } }; function bitwiseOr(aImageWrapper, bImageWrapper, resultImageWrapper) { if (!resultImageWrapper) { resultImageWrapper = aImageWrapper; } var length = aImageWrapper.data.length, aImageData = aImageWrapper.data, bImageData = bImageWrapper.data, cImageData = resultImageWrapper.data; while (length--) { cImageData[length] = aImageData[length] || bImageData[length]; } }; function countNonZero(imageWrapper) { var length = imageWrapper.data.length, data = imageWrapper.data, sum = 0; while (length--) { sum += data[length]; } return sum; }; function topGeneric(list, top, scoreFunc) { var i, minIdx = 0, min = 0, queue = [], score, hit, pos; for (i = 0; i < top; i++) { queue[i] = { score: 0, item: null }; } for (i = 0; i < list.length; i++) { score = scoreFunc.apply(this, [list[i]]); if (score > min) { hit = queue[minIdx]; hit.score = score; hit.item = list[i]; min = Number.MAX_VALUE; for (pos = 0; pos < top; pos++) { if (queue[pos].score < min) { min = queue[pos].score; minIdx = pos; } } } } return queue; }; function grayArrayFromImage(htmlImage, offsetX, ctx, array) { ctx.drawImage(htmlImage, offsetX, 0, htmlImage.width, htmlImage.height); var ctxData = ctx.getImageData(offsetX, 0, htmlImage.width, htmlImage.height).data; computeGray(ctxData, array); }; function grayArrayFromContext(ctx, size, offset, array) { var ctxData = ctx.getImageData(offset.x, offset.y, size.x, size.y).data; computeGray(ctxData, array); }; function grayAndHalfSampleFromCanvasData(canvasData, size, outArray) { var topRowIdx = 0; var bottomRowIdx = size.x; var endIdx = Math.floor(canvasData.length / 4); var outWidth = size.x / 2; var outImgIdx = 0; var inWidth = size.x; var i; while (bottomRowIdx < endIdx) { for (i = 0; i < outWidth; i++) { outArray[outImgIdx] = Math.floor((0.299 * canvasData[topRowIdx * 4 + 0] + 0.587 * canvasData[topRowIdx * 4 + 1] + 0.114 * canvasData[topRowIdx * 4 + 2] + (0.299 * canvasData[(topRowIdx + 1) * 4 + 0] + 0.587 * canvasData[(topRowIdx + 1) * 4 + 1] + 0.114 * canvasData[(topRowIdx + 1) * 4 + 2]) + (0.299 * canvasData[bottomRowIdx * 4 + 0] + 0.587 * canvasData[bottomRowIdx * 4 + 1] + 0.114 * canvasData[bottomRowIdx * 4 + 2]) + (0.299 * canvasData[(bottomRowIdx + 1) * 4 + 0] + 0.587 * canvasData[(bottomRowIdx + 1) * 4 + 1] + 0.114 * canvasData[(bottomRowIdx + 1) * 4 + 2])) / 4); outImgIdx++; topRowIdx = topRowIdx + 2; bottomRowIdx = bottomRowIdx + 2; } topRowIdx = topRowIdx + inWidth; bottomRowIdx = bottomRowIdx + inWidth; } }; function computeGray(imageData, outArray, config) { var l = imageData.length / 4 | 0, i, singleChannel = config && config.singleChannel === true; if (singleChannel) { for (i = 0; i < l; i++) { outArray[i] = imageData[i * 4 + 0]; } } else { for (i = 0; i < l; i++) { outArray[i] = Math.floor(0.299 * imageData[i * 4 + 0] + 0.587 * imageData[i * 4 + 1] + 0.114 * imageData[i * 4 + 2]); } } }; function loadImageArray(src, callback, canvas) { if (!canvas) { canvas = document.createElement('canvas'); } var img = new Image(); img.callback = callback; img.onload = function () { canvas.width = this.width; canvas.height = this.height; var ctx = canvas.getContext('2d'); ctx.drawImage(this, 0, 0); var array = new Uint8Array(this.width * this.height); ctx.drawImage(this, 0, 0); var data = ctx.getImageData(0, 0, this.width, this.height).data; computeGray(data, array); this.callback(array, { x: this.width, y: this.height }, this); }; img.src = src; }; /** * @param inImg {ImageWrapper} input image to be sampled * @param outImg {ImageWrapper} to be stored in */ function halfSample(inImgWrapper, outImgWrapper) { var inImg = inImgWrapper.data; var inWidth = inImgWrapper.size.x; var outImg = outImgWrapper.data; var topRowIdx = 0; var bottomRowIdx = inWidth; var endIdx = inImg.length; var outWidth = inWidth / 2; var outImgIdx = 0; while (bottomRowIdx < endIdx) { for (var i = 0; i < outWidth; i++) { outImg[outImgIdx] = Math.floor((inImg[topRowIdx] + inImg[topRowIdx + 1] + inImg[bottomRowIdx] + inImg[bottomRowIdx + 1]) / 4); outImgIdx++; topRowIdx = topRowIdx + 2; bottomRowIdx = bottomRowIdx + 2; } topRowIdx = topRowIdx + inWidth; bottomRowIdx = bottomRowIdx + inWidth; } }; function hsv2rgb(hsv, rgb) { var h = hsv[0], s = hsv[1], v = hsv[2], c = v * s, x = c * (1 - Math.abs(h / 60 % 2 - 1)), m = v - c, r = 0, g = 0, b = 0; rgb = rgb || [0, 0, 0]; if (h < 60) { r = c; g = x; } else if (h < 120) { r = x; g = c; } else if (h < 180) { g = c; b = x; } else if (h < 240) { g = x; b = c; } else if (h < 300) { r = x; b = c; } else if (h < 360) { r = c; b = x; } rgb[0] = (r + m) * 255 | 0; rgb[1] = (g + m) * 255 | 0; rgb[2] = (b + m) * 255 | 0; return rgb; }; function _computeDivisors(n) { var largeDivisors = [], divisors = [], i; for (i = 1; i < Math.sqrt(n) + 1; i++) { if (n % i === 0) { divisors.push(i); if (i !== n / i) { largeDivisors.unshift(Math.floor(n / i)); } } } return divisors.concat(largeDivisors); }; function _computeIntersection(arr1, arr2) { var i = 0, j = 0, result = []; while (i < arr1.length && j < arr2.length) { if (arr1[i] === arr2[j]) { result.push(arr1[i]); i++; j++; } else if (arr1[i] > arr2[j]) { j++; } else { i++; } } return result; }; function calculatePatchSize(patchSize, imgSize) { var divisorsX = _computeDivisors(imgSize.x), divisorsY = _computeDivisors(imgSize.y), wideSide = Math.max(imgSize.x, imgSize.y), common = _computeIntersection(divisorsX, divisorsY), nrOfPatchesList = [8, 10, 15, 20, 32, 60, 80], nrOfPatchesMap = { "x-small": 5, "small": 4, "medium": 3, "large": 2, "x-large": 1 }, nrOfPatchesIdx = nrOfPatchesMap[patchSize] || nrOfPatchesMap.medium, nrOfPatches = nrOfPatchesList[nrOfPatchesIdx], desiredPatchSize = Math.floor(wideSide / nrOfPatches), optimalPatchSize; function findPatchSizeForDivisors(divisors) { var i = 0, found = divisors[Math.floor(divisors.length / 2)]; while (i < divisors.length - 1 && divisors[i] < desiredPatchSize) { i++; } if (i > 0) { if (Math.abs(divisors[i] - desiredPatchSize) > Math.abs(divisors[i - 1] - desiredPatchSize)) { found = divisors[i - 1]; } else { found = divisors[i]; } } if (desiredPatchSize / found < nrOfPatchesList[nrOfPatchesIdx + 1] / nrOfPatchesList[nrOfPatchesIdx] && desiredPatchSize / found > nrOfPatchesList[nrOfPatchesIdx - 1] / nrOfPatchesList[nrOfPatchesIdx]) { return { x: found, y: found }; } return null; } optimalPatchSize = findPatchSizeForDivisors(common); if (!optimalPatchSize) { optimalPatchSize = findPatchSizeForDivisors(_computeDivisors(wideSide)); if (!optimalPatchSize) { optimalPatchSize = findPatchSizeForDivisors(_computeDivisors(desiredPatchSize * nrOfPatches)); } } return optimalPatchSize; }; function _parseCSSDimensionValues(value) { var dimension = { value: parseFloat(value), unit: value.indexOf("%") === value.length - 1 ? "%" : "%" }; return dimension; }; var _dimensionsConverters = exports._dimensionsConverters = { top: function top(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.height * (dimension.value / 100)); } }, right: function right(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.width - context.width * (dimension.value / 100)); } }, bottom: function bottom(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.height - context.height * (dimension.value / 100)); } }, left: function left(dimension, context) { if (dimension.unit === "%") { return Math.floor(context.width * (dimension.value / 100)); } } }; function computeImageArea(inputWidth, inputHeight, area) { var context = { width: inputWidth, height: inputHeight }; var parsedArea = Object.keys(area).reduce(function (result, key) { var value = area[key], parsed = _parseCSSDimensionValues(value), calculated = _dimensionsConverters[key](parsed, context); result[key] = calculated; return result; }, {}); return { sx: parsedArea.left, sy: parsedArea.top, sw: parsedArea.right - parsedArea.left, sh: parsedArea.bottom - parsedArea.top }; }; /***/ }, /* 26 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _subImage = __webpack_require__(72); var _subImage2 = _interopRequireDefault(_subImage); var _cv_utils = __webpack_require__(25); var _array_helper = __webpack_require__(13); var _array_helper2 = _interopRequireDefault(_array_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var vec2 = { clone: __webpack_require__(9) }; /** * Represents a basic image combining the data and size. * In addition, some methods for manipulation are contained. * @param size {x,y} The size of the image in pixel * @param data {Array} If given, a flat array containing the pixel data * @param ArrayType {Type} If given, the desired DataType of the Array (may be typed/non-typed) * @param initialize {Boolean} Indicating if the array should be initialized on creation. * @returns {ImageWrapper} */ function ImageWrapper(size, data, ArrayType, initialize) { if (!data) { if (ArrayType) { this.data = new ArrayType(size.x * size.y); if (ArrayType === Array && initialize) { _array_helper2.default.init(this.data, 0); } } else { this.data = new Uint8Array(size.x * size.y); if (Uint8Array === Array && initialize) { _array_helper2.default.init(this.data, 0); } } } else { this.data = data; } this.size = size; } /** * tests if a position is within the image with a given offset * @param imgRef {x, y} The location to test * @param border Number the padding value in pixel * @returns {Boolean} true if location inside the image's border, false otherwise * @see cvd/image.h */ ImageWrapper.prototype.inImageWithBorder = function (imgRef, border) { return imgRef.x >= border && imgRef.y >= border && imgRef.x < this.size.x - border && imgRef.y < this.size.y - border; }; /** * Performs bilinear sampling * @param inImg Image to extract sample from * @param x the x-coordinate * @param y the y-coordinate * @returns the sampled value * @see cvd/vision.h */ ImageWrapper.sample = function (inImg, x, y) { var lx = Math.floor(x); var ly = Math.floor(y); var w = inImg.size.x; var base = ly * inImg.size.x + lx; var a = inImg.data[base + 0]; var b = inImg.data[base + 1]; var c = inImg.data[base + w]; var d = inImg.data[base + w + 1]; var e = a - b; x -= lx; y -= ly; var result = Math.floor(x * (y * (e - c + d) - e) + y * (c - a) + a); return result; }; /** * Initializes a given array. Sets each element to zero. * @param array {Array} The array to initialize */ ImageWrapper.clearArray = function (array) { var l = array.length; while (l--) { array[l] = 0; } }; /** * Creates a {SubImage} from the current image ({this}). * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner) * @param size {ImageRef} The size of the resulting image * @returns {SubImage} A shared part of the original image */ ImageWrapper.prototype.subImage = function (from, size) { return new _subImage2.default(from, size, this); }; /** * Creates an {ImageWrapper) and copies the needed underlying image-data area * @param imageWrapper {ImageWrapper} The target {ImageWrapper} where the data should be copied * @param from {ImageRef} The location where to copy from (top-left location) */ ImageWrapper.prototype.subImageAsCopy = function (imageWrapper, from) { var sizeY = imageWrapper.size.y, sizeX = imageWrapper.size.x; var x, y; for (x = 0; x < sizeX; x++) { for (y = 0; y < sizeY; y++) { imageWrapper.data[y * sizeX + x] = this.data[(from.y + y) * this.size.x + from.x + x]; } } }; ImageWrapper.prototype.copyTo = function (imageWrapper) { var length = this.data.length, srcData = this.data, dstData = imageWrapper.data; while (length--) { dstData[length] = srcData[length]; } }; /** * Retrieves a given pixel position from the image * @param x {Number} The x-position * @param y {Number} The y-position * @returns {Number} The grayscale value at the pixel-position */ ImageWrapper.prototype.get = function (x, y) { return this.data[y * this.size.x + x]; }; /** * Retrieves a given pixel position from the image * @param x {Number} The x-position * @param y {Number} The y-position * @returns {Number} The grayscale value at the pixel-position */ ImageWrapper.prototype.getSafe = function (x, y) { var i; if (!this.indexMapping) { this.indexMapping = { x: [], y: [] }; for (i = 0; i < this.size.x; i++) { this.indexMapping.x[i] = i; this.indexMapping.x[i + this.size.x] = i; } for (i = 0; i < this.size.y; i++) { this.indexMapping.y[i] = i; this.indexMapping.y[i + this.size.y] = i; } } return this.data[this.indexMapping.y[y + this.size.y] * this.size.x + this.indexMapping.x[x + this.size.x]]; }; /** * Sets a given pixel position in the image * @param x {Number} The x-position * @param y {Number} The y-position * @param value {Number} The grayscale value to set * @returns {ImageWrapper} The Image itself (for possible chaining) */ ImageWrapper.prototype.set = function (x, y, value) { this.data[y * this.size.x + x] = value; return this; }; /** * Sets the border of the image (1 pixel) to zero */ ImageWrapper.prototype.zeroBorder = function () { var i, width = this.size.x, height = this.size.y, data = this.data; for (i = 0; i < width; i++) { data[i] = data[(height - 1) * width + i] = 0; } for (i = 1; i < height - 1; i++) { data[i * width] = data[i * width + (width - 1)] = 0; } }; /** * Inverts a binary image in place */ ImageWrapper.prototype.invert = function () { var data = this.data, length = data.length; while (length--) { data[length] = data[length] ? 0 : 1; } }; ImageWrapper.prototype.convolve = function (kernel) { var x, y, kx, ky, kSize = kernel.length / 2 | 0, accu = 0; for (y = 0; y < this.size.y; y++) { for (x = 0; x < this.size.x; x++) { accu = 0; for (ky = -kSize; ky <= kSize; ky++) { for (kx = -kSize; kx <= kSize; kx++) { accu += kernel[ky + kSize][kx + kSize] * this.getSafe(x + kx, y + ky); } } this.data[y * this.size.x + x] = accu; } } }; ImageWrapper.prototype.moments = function (labelcount) { var data = this.data, x, y, height = this.size.y, width = this.size.x, val, ysq, labelsum = [], i, label, mu11, mu02, mu20, x_, y_, tmp, result = [], PI = Math.PI, PI_4 = PI / 4; if (labelcount <= 0) { return result; } for (i = 0; i < labelcount; i++) { labelsum[i] = { m00: 0, m01: 0, m10: 0, m11: 0, m02: 0, m20: 0, theta: 0, rad: 0 }; } for (y = 0; y < height; y++) { ysq = y * y; for (x = 0; x < width; x++) { val = data[y * width + x]; if (val > 0) { label = labelsum[val - 1]; label.m00 += 1; label.m01 += y; label.m10 += x; label.m11 += x * y; label.m02 += ysq; label.m20 += x * x; } } } for (i = 0; i < labelcount; i++) { label = labelsum[i]; if (!isNaN(label.m00) && label.m00 !== 0) { x_ = label.m10 / label.m00; y_ = label.m01 / label.m00; mu11 = label.m11 / label.m00 - x_ * y_; mu02 = label.m02 / label.m00 - y_ * y_; mu20 = label.m20 / label.m00 - x_ * x_; tmp = (mu02 - mu20) / (2 * mu11); tmp = 0.5 * Math.atan(tmp) + (mu11 >= 0 ? PI_4 : -PI_4) + PI; label.theta = (tmp * 180 / PI + 90) % 180 - 90; if (label.theta < 0) { label.theta += 180; } label.rad = tmp > PI ? tmp - PI : tmp; label.vec = vec2.clone([Math.cos(tmp), Math.sin(tmp)]); result.push(label); } } return result; }; /** * Displays the {ImageWrapper} in a given canvas * @param canvas {Canvas} The canvas element to write to * @param scale {Number} Scale which is applied to each pixel-value */ ImageWrapper.prototype.show = function (canvas, scale) { var ctx, frame, data, current, pixel, x, y; if (!scale) { scale = 1.0; } ctx = canvas.getContext('2d'); canvas.width = this.size.x; canvas.height = this.size.y; frame = ctx.getImageData(0, 0, canvas.width, canvas.height); data = frame.data; current = 0; for (y = 0; y < this.size.y; y++) { for (x = 0; x < this.size.x; x++) { pixel = y * this.size.x + x; current = this.get(x, y) * scale; data[pixel * 4 + 0] = current; data[pixel * 4 + 1] = current; data[pixel * 4 + 2] = current; data[pixel * 4 + 3] = 255; } } //frame.data = data; ctx.putImageData(frame, 0, 0); }; /** * Displays the {SubImage} in a given canvas * @param canvas {Canvas} The canvas element to write to * @param scale {Number} Scale which is applied to each pixel-value */ ImageWrapper.prototype.overlay = function (canvas, scale, from) { if (!scale || scale < 0 || scale > 360) { scale = 360; } var hsv = [0, 1, 1]; var rgb = [0, 0, 0]; var whiteRgb = [255, 255, 255]; var blackRgb = [0, 0, 0]; var result = []; var ctx = canvas.getContext('2d'); var frame = ctx.getImageData(from.x, from.y, this.size.x, this.size.y); var data = frame.data; var length = this.data.length; while (length--) { hsv[0] = this.data[length] * scale; result = hsv[0] <= 0 ? whiteRgb : hsv[0] >= 360 ? blackRgb : (0, _cv_utils.hsv2rgb)(hsv, rgb); data[length * 4 + 0] = result[0]; data[length * 4 + 1] = result[1]; data[length * 4 + 2] = result[2]; data[length * 4 + 3] = 255; } ctx.putImageData(frame, from.x, from.y); }; exports.default = ImageWrapper; /***/ }, /* 27 */ /***/ function(module, exports, __webpack_require__) { var root = __webpack_require__(3); /** Built-in value references. */ var Symbol = root.Symbol; module.e = Symbol; /***/ }, /* 28 */ /***/ function(module, exports, __webpack_require__) { /** * A specialized version of `_.reduce` for arrays without support for * iteratee shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {*} [accumulator] The initial value. * @param {boolean} [initAccum] Specify using the first element of `array` as the initial value. * @returns {*} Returns the accumulated value. */ function arrayReduce(array, iteratee, accumulator, initAccum) { var index = -1, length = array.length; if (initAccum && length) { accumulator = array[++index]; } while (++index < length) { accumulator = iteratee(accumulator, array[index], index, array); } return accumulator; } module.e = arrayReduce; /***/ }, /* 29 */ /***/ function(module, exports, __webpack_require__) { var copyObjectWith = __webpack_require__(137); /** * Copies properties of `source` to `object`. * * @private * @param {Object} source The object to copy properties from. * @param {Array} props The property names to copy. * @param {Object} [object={}] The object to copy properties to. * @returns {Object} Returns `object`. */ function copyObject(source, props, object) { return copyObjectWith(source, props, object); } module.e = copyObject; /***/ }, /* 30 */ /***/ function(module, exports, __webpack_require__) { var isArray = __webpack_require__(1); /** Used to match property names within property paths. */ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/; /** * Checks if `value` is a property name and not a property path. * * @private * @param {*} value The value to check. * @param {Object} [object] The object to query keys on. * @returns {boolean} Returns `true` if `value` is a property name, else `false`. */ function isKey(value, object) { if (typeof value == 'number') { return true; } return !isArray(value) && (reIsPlainProp.test(value) || !reIsDeepProp.test(value) || (object != null && value in Object(object))); } module.e = isKey; /***/ }, /* 31 */ /***/ function(module, exports, __webpack_require__) { /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Checks if `value` is likely a prototype object. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. */ function isPrototype(value) { var Ctor = value && value.constructor, proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; return value === proto; } module.e = isPrototype; /***/ }, /* 32 */ /***/ function(module, exports, __webpack_require__) { var isArrayLike = __webpack_require__(22), isObjectLike = __webpack_require__(4); /** * This method is like `_.isArrayLike` except that it also checks if `value` * is an object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array-like object, else `false`. * @example * * _.isArrayLikeObject([1, 2, 3]); * // => true * * _.isArrayLikeObject(document.body.children); * // => true * * _.isArrayLikeObject('abc'); * // => false * * _.isArrayLikeObject(_.noop); * // => false */ function isArrayLikeObject(value) { return isObjectLike(value) && isArrayLike(value); } module.e = isArrayLikeObject; /***/ }, /* 33 */ /***/ function(module, exports, __webpack_require__) { var isArray = __webpack_require__(1), isObjectLike = __webpack_require__(4); /** `Object#toString` result references. */ var stringTag = '[object String]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** * Checks if `value` is classified as a `String` primitive or object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isString('abc'); * // => true * * _.isString(1); * // => false */ function isString(value) { return typeof value == 'string' || (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag); } module.e = isString; /***/ }, /* 34 */ /***/ function(module, exports, __webpack_require__) { var isLength = __webpack_require__(23), isObjectLike = __webpack_require__(4); /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', funcTag = '[object Function]', mapTag = '[object Map]', numberTag = '[object Number]', objectTag = '[object Object]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', weakMapTag = '[object WeakMap]'; var arrayBufferTag = '[object ArrayBuffer]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]'; /** Used to identify `toStringTag` values of typed arrays. */ var typedArrayTags = {}; typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true; typedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false; /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** * Checks if `value` is classified as a typed array. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isTypedArray(new Uint8Array); * // => true * * _.isTypedArray([]); * // => false */ function isTypedArray(value) { return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objectToString.call(value)]; } module.e = isTypedArray; /***/ }, /* 35 */ /***/ function(module, exports, __webpack_require__) { var baseKeysIn = __webpack_require__(119), indexKeys = __webpack_require__(60), isIndex = __webpack_require__(18), isPrototype = __webpack_require__(31); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Creates an array of the own and inherited enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keysIn(new Foo); * // => ['a', 'b', 'c'] (iteration order is not guaranteed) */ function keysIn(object) { var index = -1, isProto = isPrototype(object), props = baseKeysIn(object), propsLength = props.length, indexes = indexKeys(object), skipIndexes = !!indexes, result = indexes || [], length = result.length; while (++index < propsLength) { var key = props[index]; if (!(skipIndexes && (key == 'length' || isIndex(key, length))) && !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { result.push(key); } } return result; } module.e = keysIn; /***/ }, /* 36 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function contains(codeResult, list) { if (list) { return list.some(function (item) { return Object.keys(item).every(function (key) { return item[key] === codeResult[key]; }); }); } return false; } function passesFilter(codeResult, filter) { if (typeof filter === 'function') { return filter(codeResult); } return true; } exports.default = { create: function create(config) { var canvas = document.createElement("canvas"), ctx = canvas.getContext("2d"), results = [], capacity = config.capacity || 20, capture = config.capture === true; function matchesConstraints(codeResult) { return capacity && codeResult && !contains(codeResult, config.blacklist) && passesFilter(codeResult, config.filter); } return { addResult: function addResult(data, imageSize, codeResult) { var result = {}; if (matchesConstraints(codeResult)) { capacity--; result.codeResult = codeResult; if (capture) { canvas.width = imageSize.x; canvas.height = imageSize.y; _image_debug2.default.drawImage(data, imageSize, ctx); result.frame = canvas.toDataURL(); } results.push(result); } }, getResults: function getResults() { return results; } }; } }; /***/ }, /* 37 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var config = void 0; if (false) { config = require('./config.dev.js'); } else if (true) { config = __webpack_require__(74); } else { config = require('./config.prod.js'); } exports.default = config; /***/ }, /* 38 */ /***/ function(module, exports) { "use strict"; exports.__esModule = true; /** * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization */ var Tracer = { searchDirections: [[0, 1], [1, 1], [1, 0], [1, -1], [0, -1], [-1, -1], [-1, 0], [-1, 1]], create: function create(imageWrapper, labelWrapper) { var imageData = imageWrapper.data, labelData = labelWrapper.data, searchDirections = this.searchDirections, width = imageWrapper.size.x, pos; function _trace(current, color, label, edgelabel) { var i, y, x; for (i = 0; i < 7; i++) { y = current.cy + searchDirections[current.dir][0]; x = current.cx + searchDirections[current.dir][1]; pos = y * width + x; if (imageData[pos] === color && (labelData[pos] === 0 || labelData[pos] === label)) { labelData[pos] = label; current.cy = y; current.cx = x; return true; } else { if (labelData[pos] === 0) { labelData[pos] = edgelabel; } current.dir = (current.dir + 1) % 8; } } return false; } function vertex2D(x, y, dir) { return { dir: dir, x: x, y: y, next: null, prev: null }; } function _contourTracing(sy, sx, label, color, edgelabel) { var Fv = null, Cv, P, ldir, current = { cx: sx, cy: sy, dir: 0 }; if (_trace(current, color, label, edgelabel)) { Fv = vertex2D(sx, sy, current.dir); Cv = Fv; ldir = current.dir; P = vertex2D(current.cx, current.cy, 0); P.prev = Cv; Cv.next = P; P.next = null; Cv = P; do { current.dir = (current.dir + 6) % 8; _trace(current, color, label, edgelabel); if (ldir !== current.dir) { Cv.dir = current.dir; P = vertex2D(current.cx, current.cy, 0); P.prev = Cv; Cv.next = P; P.next = null; Cv = P; } else { Cv.dir = ldir; Cv.x = current.cx; Cv.y = current.cy; } ldir = current.dir; } while (current.cx !== sx || current.cy !== sy); Fv.prev = Cv.prev; Cv.prev.next = Fv; } return Fv; } return { trace: function trace(current, color, label, edgelabel) { return _trace(current, color, label, edgelabel); }, contourTracing: function contourTracing(sy, sx, label, color, edgelabel) { return _contourTracing(sy, sx, label, color, edgelabel); } }; } }; exports.default = Tracer; /***/ }, /* 39 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); var _array_helper = __webpack_require__(13); var _array_helper2 = _interopRequireDefault(_array_helper); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function Code39Reader() { _barcode_reader2.default.call(this); } var properties = { ALPHABETH_STRING: { value: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%" }, ALPHABET: { value: [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 45, 46, 32, 42, 36, 47, 43, 37] }, CHARACTER_ENCODINGS: { value: [0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A] }, ASTERISK: { value: 0x094 }, FORMAT: { value: "code_39", writeable: false } }; Code39Reader.prototype = Object.create(_barcode_reader2.default.prototype, properties); Code39Reader.prototype.constructor = Code39Reader; Code39Reader.prototype._toCounters = function (start, counter) { var self = this, numCounters = counter.length, end = self._row.length, isWhite = !self._row[start], i, counterPos = 0; _array_helper2.default.init(counter, 0); for (i = start; i < end; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { counterPos++; if (counterPos === numCounters) { break; } else { counter[counterPos] = 1; isWhite = !isWhite; } } } return counter; }; Code39Reader.prototype._decode = function () { var self = this, counters = [0, 0, 0, 0, 0, 0, 0, 0, 0], result = [], start = self._findStart(), decodedChar, lastStart, pattern, nextStart; if (!start) { return null; } nextStart = self._nextSet(self._row, start.end); do { counters = self._toCounters(nextStart, counters); pattern = self._toPattern(counters); if (pattern < 0) { return null; } decodedChar = self._patternToChar(pattern); if (decodedChar < 0) { return null; } result.push(decodedChar); lastStart = nextStart; nextStart += _array_helper2.default.sum(counters); nextStart = self._nextSet(self._row, nextStart); } while (decodedChar !== '*'); result.pop(); if (!result.length) { return null; } if (!self._verifyTrailingWhitespace(lastStart, nextStart, counters)) { return null; } return { code: result.join(""), start: start.start, end: nextStart, startInfo: start, decodedCodes: result }; }; Code39Reader.prototype._verifyTrailingWhitespace = function (lastStart, nextStart, counters) { var trailingWhitespaceEnd, patternSize = _array_helper2.default.sum(counters); trailingWhitespaceEnd = nextStart - lastStart - patternSize; if (trailingWhitespaceEnd * 3 >= patternSize) { return true; } return false; }; Code39Reader.prototype._patternToChar = function (pattern) { var i, self = this; for (i = 0; i < self.CHARACTER_ENCODINGS.length; i++) { if (self.CHARACTER_ENCODINGS[i] === pattern) { return String.fromCharCode(self.ALPHABET[i]); } } return -1; }; Code39Reader.prototype._findNextWidth = function (counters, current) { var i, minWidth = Number.MAX_VALUE; for (i = 0; i < counters.length; i++) { if (counters[i] < minWidth && counters[i] > current) { minWidth = counters[i]; } } return minWidth; }; Code39Reader.prototype._toPattern = function (counters) { var numCounters = counters.length, maxNarrowWidth = 0, numWideBars = numCounters, wideBarWidth = 0, self = this, pattern, i; while (numWideBars > 3) { maxNarrowWidth = self._findNextWidth(counters, maxNarrowWidth); numWideBars = 0; pattern = 0; for (i = 0; i < numCounters; i++) { if (counters[i] > maxNarrowWidth) { pattern |= 1 << numCounters - 1 - i; numWideBars++; wideBarWidth += counters[i]; } } if (numWideBars === 3) { for (i = 0; i < numCounters && numWideBars > 0; i++) { if (counters[i] > maxNarrowWidth) { numWideBars--; if (counters[i] * 2 >= wideBarWidth) { return -1; } } } return pattern; } } return -1; }; Code39Reader.prototype._findStart = function () { var self = this, offset = self._nextSet(self._row), patternStart = offset, counter = [0, 0, 0, 0, 0, 0, 0, 0, 0], counterPos = 0, isWhite = false, i, j, whiteSpaceMustStart; for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { // find start pattern if (self._toPattern(counter) === self.ASTERISK) { whiteSpaceMustStart = Math.floor(Math.max(0, patternStart - (i - patternStart) / 4)); if (self._matchRange(whiteSpaceMustStart, patternStart, 0)) { return { start: patternStart, end: i }; } } patternStart += counter[0] + counter[1]; for (j = 0; j < 7; j++) { counter[j] = counter[j + 2]; } counter[7] = 0; counter[8] = 0; counterPos--; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; exports.default = Code39Reader; /***/ }, /* 40 */ /***/ function(module, exports, __webpack_require__) { module.e = dot /** * Calculates the dot product of two vec2's * * @param {vec2} a the first operand * @param {vec2} b the second operand * @returns {Number} dot product of a and b */ function dot(a, b) { return a[0] * b[0] + a[1] * b[1] } /***/ }, /* 41 */ /***/ function(module, exports, __webpack_require__) { var root = __webpack_require__(3); /** Built-in value references. */ var Uint8Array = root.Uint8Array; module.e = Uint8Array; /***/ }, /* 42 */ /***/ function(module, exports, __webpack_require__) { /** * A specialized version of `_.forEach` for arrays without support for * iteratee shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns `array`. */ function arrayEach(array, iteratee) { var index = -1, length = array.length; while (++index < length) { if (iteratee(array[index], index, array) === false) { break; } } return array; } module.e = arrayEach; /***/ }, /* 43 */ /***/ function(module, exports, __webpack_require__) { var eq = __webpack_require__(21); /** * This function is like `assignValue` except that it doesn't assign * `undefined` values. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignMergeValue(object, key, value) { if ((value !== undefined && !eq(object[key], value)) || (typeof key == 'number' && value === undefined && !(key in object))) { object[key] = value; } } module.e = assignMergeValue; /***/ }, /* 44 */ /***/ function(module, exports, __webpack_require__) { var eq = __webpack_require__(21); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Assigns `value` to `key` of `object` if the existing value is not equivalent * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) * for equality comparisons. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignValue(object, key, value) { var objValue = object[key]; if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || (value === undefined && !(key in object))) { object[key] = value; } } module.e = assignValue; /***/ }, /* 45 */ /***/ function(module, exports, __webpack_require__) { var assocIndexOf = __webpack_require__(15); /** Used for built-in method references. */ var arrayProto = Array.prototype; /** Built-in value references. */ var splice = arrayProto.splice; /** * Removes `key` and its value from the associative array. * * @private * @param {Array} array The array to query. * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function assocDelete(array, key) { var index = assocIndexOf(array, key); if (index < 0) { return false; } var lastIndex = array.length - 1; if (index == lastIndex) { array.pop(); } else { splice.call(array, index, 1); } return true; } module.e = assocDelete; /***/ }, /* 46 */ /***/ function(module, exports, __webpack_require__) { var assocIndexOf = __webpack_require__(15); /** * Gets the associative array value for `key`. * * @private * @param {Array} array The array to query. * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function assocGet(array, key) { var index = assocIndexOf(array, key); return index < 0 ? undefined : array[index][1]; } module.e = assocGet; /***/ }, /* 47 */ /***/ function(module, exports, __webpack_require__) { var assocIndexOf = __webpack_require__(15); /** * Checks if an associative array value for `key` exists. * * @private * @param {Array} array The array to query. * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function assocHas(array, key) { return assocIndexOf(array, key) > -1; } module.e = assocHas; /***/ }, /* 48 */ /***/ function(module, exports, __webpack_require__) { var assocIndexOf = __webpack_require__(15); /** * Sets the associative array `key` to `value`. * * @private * @param {Array} array The array to modify. * @param {string} key The key of the value to set. * @param {*} value The value to set. */ function assocSet(array, key, value) { var index = assocIndexOf(array, key); if (index < 0) { array.push([key, value]); } else { array[index][1] = value; } } module.e = assocSet; /***/ }, /* 49 */ /***/ function(module, exports, __webpack_require__) { var isArray = __webpack_require__(1), stringToPath = __webpack_require__(167); /** * Casts `value` to a path array if it's not one. * * @private * @param {*} value The value to inspect. * @returns {Array} Returns the cast property path array. */ function baseCastPath(value) { return isArray(value) ? value : stringToPath(value); } module.e = baseCastPath; /***/ }, /* 50 */ /***/ function(module, exports, __webpack_require__) { var createBaseFor = __webpack_require__(140); /** * The base implementation of `baseForIn` and `baseForOwn` which iterates * over `object` properties returned by `keysFunc` invoking `iteratee` for * each property. Iteratee functions may exit iteration early by explicitly * returning `false`. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {Function} keysFunc The function to get the keys of `object`. * @returns {Object} Returns `object`. */ var baseFor = createBaseFor(); module.e = baseFor; /***/ }, /* 51 */ /***/ function(module, exports, __webpack_require__) { var baseCastPath = __webpack_require__(49), isKey = __webpack_require__(30); /** * The base implementation of `_.get` without support for default values. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @returns {*} Returns the resolved value. */ function baseGet(object, path) { path = isKey(path, object) ? [path + ''] : baseCastPath(path); var index = 0, length = path.length; while (object != null && index < length) { object = object[path[index++]]; } return (index && index == length) ? object : undefined; } module.e = baseGet; /***/ }, /* 52 */ /***/ function(module, exports, __webpack_require__) { /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Built-in value references. */ var getPrototypeOf = Object.getPrototypeOf; /** * The base implementation of `_.has` without support for deep paths. * * @private * @param {Object} object The object to query. * @param {Array|string} key The key to check. * @returns {boolean} Returns `true` if `key` exists, else `false`. */ function baseHas(object, key) { // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`, // that are composed entirely of index properties, return `false` for // `hasOwnProperty` checks of them. return hasOwnProperty.call(object, key) || (typeof object == 'object' && key in object && getPrototypeOf(object) === null); } module.e = baseHas; /***/ }, /* 53 */ /***/ function(module, exports, __webpack_require__) { var baseIsEqualDeep = __webpack_require__(115), isObject = __webpack_require__(2), isObjectLike = __webpack_require__(4); /** * The base implementation of `_.isEqual` which supports partial comparisons * and tracks traversed objects. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @param {Function} [customizer] The function to customize comparisons. * @param {boolean} [bitmask] The bitmask of comparison flags. * The bitmask may be composed of the following flags: * 1 - Unordered comparison * 2 - Partial comparison * @param {Object} [stack] Tracks traversed `value` and `other` objects. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. */ function baseIsEqual(value, other, customizer, bitmask, stack) { if (value === other) { return true; } if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) { return value !== value && other !== other; } return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack); } module.e = baseIsEqual; /***/ }, /* 54 */ /***/ function(module, exports, __webpack_require__) { /** * The base implementation of `_.property` without support for deep paths. * * @private * @param {string} key The key of the property to get. * @returns {Function} Returns the new function. */ function baseProperty(key) { return function(object) { return object == null ? undefined : object[key]; }; } module.e = baseProperty; /***/ }, /* 55 */ /***/ function(module, exports, __webpack_require__) { var Uint8Array = __webpack_require__(41); /** * Creates a clone of `arrayBuffer`. * * @private * @param {ArrayBuffer} arrayBuffer The array buffer to clone. * @returns {ArrayBuffer} Returns the cloned array buffer. */ function cloneArrayBuffer(arrayBuffer) { var result = new arrayBuffer.constructor(arrayBuffer.byteLength); new Uint8Array(result).set(new Uint8Array(arrayBuffer)); return result; } module.e = cloneArrayBuffer; /***/ }, /* 56 */ /***/ function(module, exports, __webpack_require__) { /** * Copies the values of `source` to `array`. * * @private * @param {Array} source The array to copy values from. * @param {Array} [array=[]] The array to copy values to. * @returns {Array} Returns `array`. */ function copyArray(source, array) { var index = -1, length = source.length; array || (array = Array(length)); while (++index < length) { array[index] = source[index]; } return array; } module.e = copyArray; /***/ }, /* 57 */ /***/ function(module, exports, __webpack_require__) { var arraySome = __webpack_require__(107); /** Used to compose bitmasks for comparison styles. */ var UNORDERED_COMPARE_FLAG = 1, PARTIAL_COMPARE_FLAG = 2; /** * A specialized version of `baseIsEqualDeep` for arrays with support for * partial deep comparisons. * * @private * @param {Array} array The array to compare. * @param {Array} other The other array to compare. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Function} customizer The function to customize comparisons. * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual` for more details. * @param {Object} stack Tracks traversed `array` and `other` objects. * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`. */ function equalArrays(array, other, equalFunc, customizer, bitmask, stack) { var index = -1, isPartial = bitmask & PARTIAL_COMPARE_FLAG, isUnordered = bitmask & UNORDERED_COMPARE_FLAG, arrLength = array.length, othLength = other.length; if (arrLength != othLength && !(isPartial && othLength > arrLength)) { return false; } // Assume cyclic values are equal. var stacked = stack.get(array); if (stacked) { return stacked == other; } var result = true; stack.set(array, other); // Ignore non-index properties. while (++index < arrLength) { var arrValue = array[index], othValue = other[index]; if (customizer) { var compared = isPartial ? customizer(othValue, arrValue, index, other, array, stack) : customizer(arrValue, othValue, index, array, other, stack); } if (compared !== undefined) { if (compared) { continue; } result = false; break; } // Recursively compare arrays (susceptible to call stack limits). if (isUnordered) { if (!arraySome(other, function(othValue) { return arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack); })) { result = false; break; } } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) { result = false; break; } } stack['delete'](array); return result; } module.e = equalArrays; /***/ }, /* 58 */ /***/ function(module, exports, __webpack_require__) { var Map = __webpack_require__(6), Set = __webpack_require__(100), WeakMap = __webpack_require__(101); /** `Object#toString` result references. */ var mapTag = '[object Map]', objectTag = '[object Object]', setTag = '[object Set]', weakMapTag = '[object WeakMap]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to resolve the decompiled source of functions. */ var funcToString = Function.prototype.toString; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** Used to detect maps, sets, and weakmaps. */ var mapCtorString = Map ? funcToString.call(Map) : '', setCtorString = Set ? funcToString.call(Set) : '', weakMapCtorString = WeakMap ? funcToString.call(WeakMap) : ''; /** * Gets the `toStringTag` of `value`. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ function getTag(value) { return objectToString.call(value); } // Fallback for IE 11 providing `toStringTag` values for maps, sets, and weakmaps. if ((Map && getTag(new Map) != mapTag) || (Set && getTag(new Set) != setTag) || (WeakMap && getTag(new WeakMap) != weakMapTag)) { getTag = function(value) { var result = objectToString.call(value), Ctor = result == objectTag ? value.constructor : null, ctorString = typeof Ctor == 'function' ? funcToString.call(Ctor) : ''; if (ctorString) { switch (ctorString) { case mapCtorString: return mapTag; case setCtorString: return setTag; case weakMapCtorString: return weakMapTag; } } return result; }; } module.e = getTag; /***/ }, /* 59 */ /***/ function(module, exports, __webpack_require__) { var nativeCreate = __webpack_require__(20); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Checks if a hash value for `key` exists. * * @private * @param {Object} hash The hash to query. * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function hashHas(hash, key) { return nativeCreate ? hash[key] !== undefined : hasOwnProperty.call(hash, key); } module.e = hashHas; /***/ }, /* 60 */ /***/ function(module, exports, __webpack_require__) { var baseTimes = __webpack_require__(128), isArguments = __webpack_require__(10), isArray = __webpack_require__(1), isLength = __webpack_require__(23), isString = __webpack_require__(33); /** * Creates an array of index keys for `object` values of arrays, * `arguments` objects, and strings, otherwise `null` is returned. * * @private * @param {Object} object The object to query. * @returns {Array|null} Returns index keys, else `null`. */ function indexKeys(object) { var length = object ? object.length : undefined; if (isLength(length) && (isArray(object) || isString(object) || isArguments(object))) { return baseTimes(length, String); } return null; } module.e = indexKeys; /***/ }, /* 61 */ /***/ function(module, exports, __webpack_require__) { /** * Converts `map` to an array. * * @private * @param {Object} map The map to convert. * @returns {Array} Returns the converted array. */ function mapToArray(map) { var index = -1, result = Array(map.size); map.forEach(function(value, key) { result[++index] = [key, value]; }); return result; } module.e = mapToArray; /***/ }, /* 62 */ /***/ function(module, exports, __webpack_require__) { /** * Converts `set` to an array. * * @private * @param {Object} set The set to convert. * @returns {Array} Returns the converted array. */ function setToArray(set) { var index = -1, result = Array(set.size); set.forEach(function(value) { result[++index] = value; }); return result; } module.e = setToArray; /***/ }, /* 63 */ /***/ function(module, exports, __webpack_require__) { var baseGet = __webpack_require__(51); /** * Gets the value at `path` of `object`. If the resolved value is * `undefined` the `defaultValue` is used in its place. * * @static * @memberOf _ * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @param {*} [defaultValue] The value returned if the resolved value is `undefined`. * @returns {*} Returns the resolved value. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }] }; * * _.get(object, 'a[0].b.c'); * // => 3 * * _.get(object, ['a', '0', 'b', 'c']); * // => 3 * * _.get(object, 'a.b.c', 'default'); * // => 'default' */ function get(object, path, defaultValue) { var result = object == null ? undefined : baseGet(object, path); return result === undefined ? defaultValue : result; } module.e = get; /***/ }, /* 64 */ /***/ function(module, exports, __webpack_require__) { var baseFlatten = __webpack_require__(111), basePick = __webpack_require__(124), rest = __webpack_require__(65); /** * Creates an object composed of the picked `object` properties. * * @static * @memberOf _ * @category Object * @param {Object} object The source object. * @param {...(string|string[])} [props] The property names to pick, specified * individually or in arrays. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.pick(object, ['a', 'c']); * // => { 'a': 1, 'c': 3 } */ var pick = rest(function(object, props) { return object == null ? {} : basePick(object, baseFlatten(props, 1)); }); module.e = pick; /***/ }, /* 65 */ /***/ function(module, exports, __webpack_require__) { var apply = __webpack_require__(104), toInteger = __webpack_require__(179); /** Used as the `TypeError` message for "Functions" methods. */ var FUNC_ERROR_TEXT = 'Expected a function'; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeMax = Math.max; /** * Creates a function that invokes `func` with the `this` binding of the * created function and arguments from `start` and beyond provided as an array. * * **Note:** This method is based on the [rest parameter](https://mdn.io/rest_parameters). * * @static * @memberOf _ * @category Function * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @returns {Function} Returns the new function. * @example * * var say = _.rest(function(what, names) { * return what + ' ' + _.initial(names).join(', ') + * (_.size(names) > 1 ? ', & ' : '') + _.last(names); * }); * * say('hello', 'fred', 'barney', 'pebbles'); * // => 'hello fred, barney, & pebbles' */ function rest(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = nativeMax(start === undefined ? (func.length - 1) : toInteger(start), 0); return function() { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } switch (start) { case 0: return func.call(this, array); case 1: return func.call(this, args[0], array); case 2: return func.call(this, args[0], args[1], array); } var otherArgs = Array(start + 1); index = -1; while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = array; return apply(func, this, otherArgs); }; } module.e = rest; /***/ }, /* 66 */ /***/ function(module, exports, __webpack_require__) { module.e = function(module) { if(!module.webpackPolyfill) { module.deprecate = function() {}; module.paths = []; // module.parent = undefined by default module.children = []; Object.defineProperty(module, "exports", { enumerable: true, configurable: false, get: function() { return module.e; }, set: function(v) { return module.e = v; } }); Object.defineProperty(module, "loaded", { enumerable: true, configurable: false, get: function() { return module.l; } }); Object.defineProperty(module, "id", { enumerable: true, configurable: false, get: function() { return module.i; } }); module.webpackPolyfill = 1; } return module; } /***/ }, /* 67 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _isEmpty2 = __webpack_require__(172); var _isEmpty3 = _interopRequireDefault(_isEmpty2); var _omitBy2 = __webpack_require__(177); var _omitBy3 = _interopRequireDefault(_omitBy2); var _pick2 = __webpack_require__(64); var _pick3 = _interopRequireDefault(_pick2); var _merge3 = __webpack_require__(12); var _merge4 = _interopRequireDefault(_merge3); var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; }; __webpack_require__(73); __webpack_require__(184); var _scanner = __webpack_require__(90); var _scanner2 = _interopRequireDefault(_scanner); var _image_wrapper = __webpack_require__(26); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); var _result_collector = __webpack_require__(36); var _result_collector2 = _interopRequireDefault(_result_collector); var _config = __webpack_require__(37); var _config2 = _interopRequireDefault(_config); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _fromImage(config, imageSrc) { var inputConfig = arguments.length <= 2 || arguments[2] === undefined ? {} : arguments[2]; var staticImageConfig = { inputStream: { type: "ImageStream", sequence: false, size: 800, src: imageSrc }, numOfWorkers: false ? 0 : 1 }; config = (0, _merge4.default)(config, staticImageConfig, { numOfWorkers: typeof config.numOfWorkers === 'number' && config.numOfWorkers > 0 ? 1 : 0 }, { inputStream: (0, _omitBy3.default)((0, _pick3.default)(config.inputStream, ['size', 'src']), _isEmpty3.default) }, { inputStream: inputConfig }); var scanner = (0, _scanner2.default)(); return { addEventListener: function addEventListener(eventType, cb) { scanner.subscribe(eventType, cb); return this; }, removeEventListener: function removeEventListener(eventType, cb) { scanner.unsubscribe(eventType, cb); return this; }, start: function start() { scanner.init(config, function () { scanner.start(); }); return this; }, stop: function stop() { scanner.stop(); return this; }, toPromise: function toPromise() { return new Promise(function (resolve, reject) { scanner.decodeSingle(config, function (result) { if (result.codeResult && result.codeResult.code) { return resolve(result); } return reject(result); }); }); } }; } function _fromVideo(config, source) { var inputConfig = arguments.length <= 2 || arguments[2] === undefined ? {} : arguments[2]; // remember last instance // check if anything but the imagesrc has changed // var sourceConfig = { type: "LiveStream", constraints: { width: 640, height: 480, facingMode: "environment" } }; /*if (source instanceof MediaStream) { // stream } else*/if (source instanceof Element) { // video element } else if (typeof source === 'string') { // video source } else if ((typeof source === 'undefined' ? 'undefined' : _typeof(source)) === 'object' && (typeof source.constraints !== 'undefined' || typeof source.area !== 'undefined')) { console.log("inputConfig"); inputConfig = source; } else if (!source) { // LiveStream } config = (0, _merge4.default)({}, config, { inputStream: sourceConfig }, { inputStream: inputConfig }); console.log(config); var scanner = (0, _scanner2.default)(); return { addEventListener: function addEventListener(eventType, cb) { scanner.subscribe(eventType, cb); return this; }, removeEventListener: function removeEventListener(eventType, cb) { scanner.unsubscribe(eventType, cb); return this; }, start: function start() { scanner.init(config, function (error) { if (error) { console.log(error); throw error; } scanner.start(); }); return this; }, stop: function stop() { scanner.stop(); return this; } }; } var defaultScanner = (0, _scanner2.default)(); function setConfig() { var configuration = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0]; var _merge2; var key = arguments[1]; var config = arguments.length <= 2 || arguments[2] === undefined ? {} : arguments[2]; var mergedConfig = (0, _merge4.default)({}, configuration, (_merge2 = {}, _merge2[key] = config, _merge2)); return createApi(mergedConfig); } function createApi() { var configuration = arguments.length <= 0 || arguments[0] === undefined ? _config2.default : arguments[0]; return { fromImage: function fromImage(src, conf) { return _fromImage(configuration, src, conf); }, fromVideo: function fromVideo(src, inputConfig) { return _fromVideo(configuration, src, inputConfig); }, decoder: function decoder(conf) { return setConfig(configuration, "decoder", conf); }, locator: function locator(conf) { return setConfig(configuration, "locator", conf); }, config: function config(conf) { return createApi((0, _merge4.default)({}, configuration, conf)); }, registerResultCollector: function registerResultCollector(resultCollector) { defaultScanner.registerResultCollector(resultCollector); }, getCanvas: function getCanvas() { return defaultScanner.canvas; }, ImageWrapper: _image_wrapper2.default, ImageDebug: _image_debug2.default, ResultCollector: _result_collector2.default, _worker: { createScanner: _scanner2.default } }; } exports.default = createApi(); /***/ }, /* 68 */ /***/ function(module, exports, __webpack_require__) { "use strict"; var CVUtils = __webpack_require__(25), Ndarray = __webpack_require__(192), Interp2D = __webpack_require__(193).d2; var FrameGrabber = {}; FrameGrabber.create = function (inputStream) { var _that = {}, _streamConfig = inputStream.getConfig(), _video_size = CVUtils.imageRef(inputStream.getRealWidth(), inputStream.getRealHeight()), _canvasSize = inputStream.getCanvasSize(), _size = CVUtils.imageRef(inputStream.getWidth(), inputStream.getHeight()), _topRight = inputStream.getTopRight(), _data = new Uint8Array(_size.x * _size.y), _grayData = new Uint8Array(_video_size.x * _video_size.y), _canvasData = new Uint8Array(_canvasSize.x * _canvasSize.y), _grayImageArray = Ndarray(_grayData, [_video_size.y, _video_size.x]).transpose(1, 0), _canvasImageArray = Ndarray(_canvasData, [_canvasSize.y, _canvasSize.x]).transpose(1, 0), _targetImageArray = _canvasImageArray.hi(_topRight.x + _size.x, _topRight.y + _size.y).lo(_topRight.x, _topRight.y), _stepSizeX = _video_size.x / _canvasSize.x, _stepSizeY = _video_size.y / _canvasSize.y; console.log("FrameGrabber", JSON.stringify({ videoSize: _grayImageArray.shape, canvasSize: _canvasImageArray.shape, stepSize: [_stepSizeX, _stepSizeY], size: _targetImageArray.shape, topRight: _topRight })); /** * Uses the given array as frame-buffer */ _that.attachData = function (data) { _data = data; }; /** * Returns the used frame-buffer */ _that.getData = function () { return _data; }; /** * Fetches a frame from the input-stream and puts into the frame-buffer. * The image-data is converted to gray-scale and then half-sampled if configured. */ _that.grab = function () { var frame = inputStream.getFrame(); if (frame) { this.scaleAndCrop(frame); return true; } else { return false; } }; _that.scaleAndCrop = function (frame) { var x, y; // 1. compute full-sized gray image CVUtils.computeGray(frame.data, _grayData); // 2. interpolate for (y = 0; y < _canvasSize.y; y++) { for (x = 0; x < _canvasSize.x; x++) { _canvasImageArray.set(x, y, Interp2D(_grayImageArray, x * _stepSizeX, y * _stepSizeY) | 0); } } // targetImageArray must be equal to targetSize if (_targetImageArray.shape[0] !== _size.x || _targetImageArray.shape[1] !== _size.y) { throw new Error("Shapes do not match!"); } // 3. crop for (y = 0; y < _size.y; y++) { for (x = 0; x < _size.x; x++) { _data[y * _size.x + x] = _targetImageArray.get(x, y); } } }, _that.getSize = function () { return _size; }; return _that; }; module.e = FrameGrabber; /***/ }, /* 69 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; var GetPixels = __webpack_require__(191); var InputStream = {}; InputStream.createImageStream = function () { var that = {}; var _config = null; var width = 0, height = 0, frameIdx = 0, paused = true, loaded = false, frame = null, baseUrl, ended = false, size, calculatedWidth, calculatedHeight, _eventNames = ['canrecord', 'ended'], _eventHandlers = {}, _topRight = { x: 0, y: 0 }, _canvasSize = { x: 0, y: 0 }; function loadImages() { loaded = false; GetPixels(baseUrl, function (err, pixels) { if (err) { console.log(err); exit(1); } loaded = true; console.log(pixels.shape); frame = pixels; width = pixels.shape[0]; height = pixels.shape[1]; calculatedWidth = _config.size ? width / height > 1 ? _config.size : Math.floor(width / height * _config.size) : width; calculatedHeight = _config.size ? width / height > 1 ? Math.floor(height / width * _config.size) : _config.size : height; _canvasSize.x = calculatedWidth; _canvasSize.y = calculatedHeight; setTimeout(function () { publishEvent("canrecord", []); }, 0); }); } function publishEvent(eventName, args) { var j, handlers = _eventHandlers[eventName]; if (handlers && handlers.length > 0) { for (j = 0; j < handlers.length; j++) { handlers[j].apply(that, args); } } } that.trigger = publishEvent; that.getWidth = function () { return calculatedWidth; }; that.getHeight = function () { return calculatedHeight; }; that.setWidth = function (width) { calculatedWidth = width; }; that.setHeight = function (height) { calculatedHeight = height; }; that.getRealWidth = function () { return width; }; that.getRealHeight = function () { return height; }; that.setInputStream = function (stream) { _config = stream; baseUrl = _config.src; size = 1; loadImages(); }; that.ended = function () { return ended; }; that.setAttribute = function () {}; that.getConfig = function () { return _config; }; that.pause = function () { paused = true; }; that.play = function () { paused = false; }; that.setCurrentTime = function (time) { frameIdx = time; }; that.addEventListener = function (event, f) { if (_eventNames.indexOf(event) !== -1) { if (!_eventHandlers[event]) { _eventHandlers[event] = []; } _eventHandlers[event].push(f); } }; that.setTopRight = function (topRight) { _topRight.x = topRight.x; _topRight.y = topRight.y; }; that.getTopRight = function () { return _topRight; }; that.setCanvasSize = function (size) { _canvasSize.x = size.x; _canvasSize.y = size.y; }; that.getCanvasSize = function () { return _canvasSize; }; that.getFrame = function () { if (!loaded) { return null; } return frame; }; return that; }; module.e = InputStream; /***/ }, /* 70 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var vec2 = { clone: __webpack_require__(9), dot: __webpack_require__(40) }; /** * Creates a cluster for grouping similar orientations of datapoints */ exports.default = { create: function create(point, threshold) { var points = [], center = { rad: 0, vec: vec2.clone([0, 0]) }, pointMap = {}; function init() { _add(point); updateCenter(); } function _add(pointToAdd) { pointMap[pointToAdd.id] = pointToAdd; points.push(pointToAdd); } function updateCenter() { var i, sum = 0; for (i = 0; i < points.length; i++) { sum += points[i].rad; } center.rad = sum / points.length; center.vec = vec2.clone([Math.cos(center.rad), Math.sin(center.rad)]); } init(); return { add: function add(pointToAdd) { if (!pointMap[pointToAdd.id]) { _add(pointToAdd); updateCenter(); } }, fits: function fits(otherPoint) { // check cosine similarity to center-angle var similarity = Math.abs(vec2.dot(otherPoint.point.vec, center.vec)); if (similarity > threshold) { return true; } return false; }, getPoints: function getPoints() { return points; }, getCenter: function getCenter() { return center; } }; }, createPoint: function createPoint(newPoint, id, property) { return { rad: newPoint[property], point: newPoint, id: id }; } }; /***/ }, /* 71 */ /***/ function(module, exports) { "use strict"; exports.__esModule = true; exports.default = createEventedElement; function createEventedElement() { var events = {}; function getEvent(eventName) { if (!events[eventName]) { events[eventName] = { subscribers: [] }; } return events[eventName]; } function clearEvents() { events = {}; } function publishSubscription(subscription, data) { if (subscription.async) { setTimeout(function () { subscription.callback(data); }, 4); } else { subscription.callback(data); } } function _subscribe(event, callback, async) { var subscription; if (typeof callback === "function") { subscription = { callback: callback, async: async }; } else { subscription = callback; if (!subscription.callback) { throw "Callback was not specified on options"; } } getEvent(event).subscribers.push(subscription); } return { subscribe: function subscribe(event, callback, async) { return _subscribe(event, callback, async); }, publish: function publish(eventName, data) { var event = getEvent(eventName), subscribers = event.subscribers; event.subscribers = subscribers.filter(function (subscriber) { publishSubscription(subscriber, data); return !subscriber.once; }); }, once: function once(event, callback, async) { _subscribe(event, { callback: callback, async: async, once: true }); }, unsubscribe: function unsubscribe(eventName, callback) { var event; if (eventName) { event = getEvent(eventName); if (event && callback) { event.subscribers = event.subscribers.filter(function (subscriber) { return subscriber.callback !== callback; }); } else { event.subscribers = []; } } else { clearEvents(); } } }; }; /***/ }, /* 72 */ /***/ function(module, exports) { 'use strict'; exports.__esModule = true; /** * Construct representing a part of another {ImageWrapper}. Shares data * between the parent and the child. * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner) * @param size {ImageRef} The size of the resulting image * @param I {ImageWrapper} The {ImageWrapper} to share from * @returns {SubImage} A shared part of the original image */ function SubImage(from, size, I) { if (!I) { I = { data: null, size: size }; } this.data = I.data; this.originalSize = I.size; this.I = I; this.from = from; this.size = size; } /** * Displays the {SubImage} in a given canvas * @param canvas {Canvas} The canvas element to write to * @param scale {Number} Scale which is applied to each pixel-value */ SubImage.prototype.show = function (canvas, scale) { var ctx, frame, data, current, y, x, pixel; if (!scale) { scale = 1.0; } ctx = canvas.getContext('2d'); canvas.width = this.size.x; canvas.height = this.size.y; frame = ctx.getImageData(0, 0, canvas.width, canvas.height); data = frame.data; current = 0; for (y = 0; y < this.size.y; y++) { for (x = 0; x < this.size.x; x++) { pixel = y * this.size.x + x; current = this.get(x, y) * scale; data[pixel * 4 + 0] = current; data[pixel * 4 + 1] = current; data[pixel * 4 + 2] = current; data[pixel * 4 + 3] = 255; } } frame.data = data; ctx.putImageData(frame, 0, 0); }; /** * Retrieves a given pixel position from the {SubImage} * @param x {Number} The x-position * @param y {Number} The y-position * @returns {Number} The grayscale value at the pixel-position */ SubImage.prototype.get = function (x, y) { return this.data[(this.from.y + y) * this.originalSize.x + this.from.x + x]; }; /** * Updates the underlying data from a given {ImageWrapper} * @param image {ImageWrapper} The updated image */ SubImage.prototype.updateData = function (image) { this.originalSize = image.size; this.data = image.data; }; /** * Updates the position of the shared area * @param from {x,y} The new location * @returns {SubImage} returns {this} for possible chaining */ SubImage.prototype.updateFrom = function (from) { this.from = from; return this; }; exports.default = SubImage; /***/ }, /* 73 */ /***/ function(module, exports) { 'use strict'; /* * typedefs.js * Normalizes browser-specific prefixes */ if (typeof window !== 'undefined') { window.requestAnimFrame = function () { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function ( /* function FrameRequestCallback */callback) { window.setTimeout(callback, 1000 / 60); }; }(); } Math.imul = Math.imul || function (a, b) { var ah = a >>> 16 & 0xffff, al = a & 0xffff, bh = b >>> 16 & 0xffff, bl = b & 0xffff; // the shift by 0 fixes the sign on the high part // the final |0 converts the unsigned value into a signed value return al * bl + (ah * bl + al * bh << 16 >>> 0) | 0; }; /***/ }, /* 74 */ /***/ function(module, exports, __webpack_require__) { "use strict"; module.e = { inputStream: { type: "ImageStream", sequence: false, size: 800, area: { top: "0%", right: "0%", left: "0%", bottom: "0%" }, singleChannel: false // true: only the red color-channel is read }, locate: true, numOfWorkers: 0, decoder: { readers: ['code_128_reader'] }, locator: { halfSample: true, patchSize: "medium" // x-small, small, medium, large, x-large } }; /***/ }, /* 75 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; }; var _bresenham = __webpack_require__(76); var _bresenham2 = _interopRequireDefault(_bresenham); var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); var _code_128_reader = __webpack_require__(82); var _code_128_reader2 = _interopRequireDefault(_code_128_reader); var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); var _code_39_reader = __webpack_require__(39); var _code_39_reader2 = _interopRequireDefault(_code_39_reader); var _code_39_vin_reader = __webpack_require__(83); var _code_39_vin_reader2 = _interopRequireDefault(_code_39_vin_reader); var _codabar_reader = __webpack_require__(81); var _codabar_reader2 = _interopRequireDefault(_codabar_reader); var _upc_reader = __webpack_require__(89); var _upc_reader2 = _interopRequireDefault(_upc_reader); var _ean_8_reader = __webpack_require__(86); var _ean_8_reader2 = _interopRequireDefault(_ean_8_reader); var _ean_2_reader = __webpack_require__(84); var _ean_2_reader2 = _interopRequireDefault(_ean_2_reader); var _ean_5_reader = __webpack_require__(85); var _ean_5_reader2 = _interopRequireDefault(_ean_5_reader); var _upc_e_reader = __webpack_require__(88); var _upc_e_reader2 = _interopRequireDefault(_upc_e_reader); var _i2of5_reader = __webpack_require__(87); var _i2of5_reader2 = _interopRequireDefault(_i2of5_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var READERS = { code_128_reader: _code_128_reader2.default, ean_reader: _ean_reader2.default, ean_5_reader: _ean_5_reader2.default, ean_2_reader: _ean_2_reader2.default, ean_8_reader: _ean_8_reader2.default, code_39_reader: _code_39_reader2.default, code_39_vin_reader: _code_39_vin_reader2.default, codabar_reader: _codabar_reader2.default, upc_reader: _upc_reader2.default, upc_e_reader: _upc_e_reader2.default, i2of5_reader: _i2of5_reader2.default }; exports.default = { create: function create(config, inputImageWrapper) { var _canvas = { ctx: { frequency: null, pattern: null, overlay: null }, dom: { frequency: null, pattern: null, overlay: null } }, _barcodeReaders = []; initCanvas(); initReaders(); initConfig(); function initCanvas() { if (false) { var $debug = document.querySelector("#debug.detection"); _canvas.dom.frequency = document.querySelector("canvas.frequency"); if (!_canvas.dom.frequency) { _canvas.dom.frequency = document.createElement("canvas"); _canvas.dom.frequency.className = "frequency"; if ($debug) { $debug.appendChild(_canvas.dom.frequency); } } _canvas.ctx.frequency = _canvas.dom.frequency.getContext("2d"); _canvas.dom.pattern = document.querySelector("canvas.patternBuffer"); if (!_canvas.dom.pattern) { _canvas.dom.pattern = document.createElement("canvas"); _canvas.dom.pattern.className = "patternBuffer"; if ($debug) { $debug.appendChild(_canvas.dom.pattern); } } _canvas.ctx.pattern = _canvas.dom.pattern.getContext("2d"); _canvas.dom.overlay = document.querySelector("canvas.drawingBuffer"); if (_canvas.dom.overlay) { _canvas.ctx.overlay = _canvas.dom.overlay.getContext("2d"); } } } function initReaders() { config.readers.forEach(function (readerConfig) { var reader, configuration = {}, supplements = []; if ((typeof readerConfig === 'undefined' ? 'undefined' : _typeof(readerConfig)) === 'object') { reader = readerConfig.format; configuration = readerConfig.config; } else if (typeof readerConfig === 'string') { reader = readerConfig; } if (false) { console.log("Before registering reader: ", reader); } if (configuration.supplements) { supplements = configuration.supplements.map(function (supplement) { return new READERS[supplement](); }); } _barcodeReaders.push(new READERS[reader](configuration, supplements)); }); if (false) { console.log("Registered Readers: " + _barcodeReaders.map(function (reader) { return JSON.stringify({ format: reader.FORMAT, config: reader.config }); }).join(', ')); } } function initConfig() { if (false) { var i, vis = [{ node: _canvas.dom.frequency, prop: config.debug.showFrequency }, { node: _canvas.dom.pattern, prop: config.debug.showPattern }]; for (i = 0; i < vis.length; i++) { if (vis[i].prop === true) { vis[i].node.style.display = "block"; } else { vis[i].node.style.display = "none"; } } } } /** * extend the line on both ends * @param {Array} line * @param {Number} angle */ function getExtendedLine(line, angle, ext) { function extendLine(amount) { var extension = { y: amount * Math.sin(angle), x: amount * Math.cos(angle) }; line[0].y -= extension.y; line[0].x -= extension.x; line[1].y += extension.y; line[1].x += extension.x; } // check if inside image extendLine(ext); while (ext > 1 && (!inputImageWrapper.inImageWithBorder(line[0], 0) || !inputImageWrapper.inImageWithBorder(line[1], 0))) { ext -= Math.ceil(ext / 2); extendLine(-ext); } return line; } function getLine(box) { return [{ x: (box[1][0] - box[0][0]) / 2 + box[0][0], y: (box[1][1] - box[0][1]) / 2 + box[0][1] }, { x: (box[3][0] - box[2][0]) / 2 + box[2][0], y: (box[3][1] - box[2][1]) / 2 + box[2][1] }]; } function tryDecode(line) { var result = null, i, barcodeLine = _bresenham2.default.getBarcodeLine(inputImageWrapper, line[0], line[1]); if (false) { _image_debug2.default.drawPath(line, { x: 'x', y: 'y' }, _canvas.ctx.overlay, { color: 'red', lineWidth: 3 }); _bresenham2.default.debug.printFrequency(barcodeLine.line, _canvas.dom.frequency); } _bresenham2.default.toBinaryLine(barcodeLine); if (false) { _bresenham2.default.debug.printPattern(barcodeLine.line, _canvas.dom.pattern); } for (i = 0; i < _barcodeReaders.length && result === null; i++) { result = _barcodeReaders[i].decodePattern(barcodeLine.line); } if (result === null) { return null; } return { codeResult: result, barcodeLine: barcodeLine }; } /** * This method slices the given area apart and tries to detect a barcode-pattern * for each slice. It returns the decoded barcode, or null if nothing was found * @param {Array} box * @param {Array} line * @param {Number} lineAngle */ function tryDecodeBruteForce(box, line, lineAngle) { var sideLength = Math.sqrt(Math.pow(box[1][0] - box[0][0], 2) + Math.pow(box[1][1] - box[0][1], 2)), i, slices = 16, result = null, dir, extension, xdir = Math.sin(lineAngle), ydir = Math.cos(lineAngle); for (i = 1; i < slices && result === null; i++) { // move line perpendicular to angle dir = sideLength / slices * i * (i % 2 === 0 ? -1 : 1); extension = { y: dir * xdir, x: dir * ydir }; line[0].y += extension.x; line[0].x -= extension.y; line[1].y += extension.x; line[1].x -= extension.y; result = tryDecode(line); } return result; } function getLineLength(line) { return Math.sqrt(Math.pow(Math.abs(line[1].y - line[0].y), 2) + Math.pow(Math.abs(line[1].x - line[0].x), 2)); } /** * With the help of the configured readers (Code128 or EAN) this function tries to detect a * valid barcode pattern within the given area. * @param {Object} box The area to search in * @returns {Object} the result {codeResult, line, angle, pattern, threshold} */ function _decodeFromBoundingBox(box) { var line, lineAngle, ctx = _canvas.ctx.overlay, result, lineLength; if (false) { if (config.debug.drawBoundingBox && ctx) { _image_debug2.default.drawPath(box, { x: 0, y: 1 }, ctx, { color: "blue", lineWidth: 2 }); } } line = getLine(box); lineLength = getLineLength(line); lineAngle = Math.atan2(line[1].y - line[0].y, line[1].x - line[0].x); line = getExtendedLine(line, lineAngle, Math.floor(lineLength * 0.1)); if (line === null) { return null; } result = tryDecode(line); if (result === null) { result = tryDecodeBruteForce(box, line, lineAngle); } if (result === null) { return null; } if (false) { _image_debug2.default.drawPath(line, { x: 'x', y: 'y' }, ctx, { color: 'red', lineWidth: 3 }); } return { codeResult: result.codeResult, line: line, angle: lineAngle, pattern: result.barcodeLine.line, threshold: result.barcodeLine.threshold }; } return { decodeFromBoundingBox: function decodeFromBoundingBox(box) { return _decodeFromBoundingBox(box); }, decodeFromBoundingBoxes: function decodeFromBoundingBoxes(boxes) { var i, result, barcodes = [], multiple = config.multiple; for (i = 0; i < boxes.length; i++) { var box = boxes[i]; result = _decodeFromBoundingBox(box) || {}; result.box = box; if (multiple) { barcodes.push(result); } else if (result.codeResult) { return result; } } if (multiple) { return { barcodes: barcodes }; } }, setReaders: function setReaders(readers) { config.readers = readers; _barcodeReaders.length = 0; initReaders(); } }; } }; /***/ }, /* 76 */ /***/ function(module, exports) { "use strict"; exports.__esModule = true; var Bresenham = {}; var Slope = { DIR: { UP: 1, DOWN: -1 } }; /** * Scans a line of the given image from point p1 to p2 and returns a result object containing * gray-scale values (0-255) of the underlying pixels in addition to the min * and max values. * @param {Object} imageWrapper * @param {Object} p1 The start point {x,y} * @param {Object} p2 The end point {x,y} * @returns {line, min, max} */ Bresenham.getBarcodeLine = function (imageWrapper, p1, p2) { var x0 = p1.x | 0, y0 = p1.y | 0, x1 = p2.x | 0, y1 = p2.y | 0, steep = Math.abs(y1 - y0) > Math.abs(x1 - x0), deltax, deltay, error, ystep, y, tmp, x, line = [], imageData = imageWrapper.data, width = imageWrapper.size.x, sum = 0, val, min = 255, max = 0; function read(a, b) { val = imageData[b * width + a]; sum += val; min = val < min ? val : min; max = val > max ? val : max; line.push(val); } if (steep) { tmp = x0; x0 = y0; y0 = tmp; tmp = x1; x1 = y1; y1 = tmp; } if (x0 > x1) { tmp = x0; x0 = x1; x1 = tmp; tmp = y0; y0 = y1; y1 = tmp; } deltax = x1 - x0; deltay = Math.abs(y1 - y0); error = deltax / 2 | 0; y = y0; ystep = y0 < y1 ? 1 : -1; for (x = x0; x < x1; x++) { if (steep) { read(y, x); } else { read(x, y); } error = error - deltay; if (error < 0) { y = y + ystep; error = error + deltax; } } return { line: line, min: min, max: max }; }; /** * Converts the result from getBarcodeLine into a binary representation * also considering the frequency and slope of the signal for more robust results * @param {Object} result {line, min, max} */ Bresenham.toBinaryLine = function (result) { var min = result.min, max = result.max, line = result.line, slope, slope2, center = min + (max - min) / 2, extrema = [], currentDir, dir, threshold = (max - min) / 12, rThreshold = -threshold, i, j; // 1. find extrema currentDir = line[0] > center ? Slope.DIR.UP : Slope.DIR.DOWN; extrema.push({ pos: 0, val: line[0] }); for (i = 0; i < line.length - 2; i++) { slope = line[i + 1] - line[i]; slope2 = line[i + 2] - line[i + 1]; if (slope + slope2 < rThreshold && line[i + 1] < center * 1.5) { dir = Slope.DIR.DOWN; } else if (slope + slope2 > threshold && line[i + 1] > center * 0.5) { dir = Slope.DIR.UP; } else { dir = currentDir; } if (currentDir !== dir) { extrema.push({ pos: i, val: line[i] }); currentDir = dir; } } extrema.push({ pos: line.length, val: line[line.length - 1] }); for (j = extrema[0].pos; j < extrema[1].pos; j++) { line[j] = line[j] > center ? 0 : 1; } // iterate over extrema and convert to binary based on avg between minmax for (i = 1; i < extrema.length - 1; i++) { if (extrema[i + 1].val > extrema[i].val) { threshold = extrema[i].val + (extrema[i + 1].val - extrema[i].val) / 3 * 2 | 0; } else { threshold = extrema[i + 1].val + (extrema[i].val - extrema[i + 1].val) / 3 | 0; } for (j = extrema[i].pos; j < extrema[i + 1].pos; j++) { line[j] = line[j] > threshold ? 0 : 1; } } return { line: line, threshold: threshold }; }; /** * Used for development only */ Bresenham.debug = { printFrequency: function printFrequency(line, canvas) { var i, ctx = canvas.getContext("2d"); canvas.width = line.length; canvas.height = 256; ctx.beginPath(); ctx.strokeStyle = "blue"; for (i = 0; i < line.length; i++) { ctx.moveTo(i, 255); ctx.lineTo(i, 255 - line[i]); } ctx.stroke(); ctx.closePath(); }, printPattern: function printPattern(line, canvas) { var ctx = canvas.getContext("2d"), i; canvas.width = line.length; ctx.fillColor = "black"; for (i = 0; i < line.length; i++) { if (line[i] === 1) { ctx.fillRect(i, 0, 1, 100); } } } }; exports.default = Bresenham; /***/ }, /* 77 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _pick2 = __webpack_require__(64); var _pick3 = _interopRequireDefault(_pick2); var _merge2 = __webpack_require__(12); var _merge3 = _interopRequireDefault(_merge2); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var streamRef; function waitForVideo(video) { return new Promise(function (resolve, reject) { var attempts = 10; function checkVideo() { if (attempts > 0) { if (video.videoWidth > 0 && video.videoHeight > 0) { if (false) { console.log(video.videoWidth + "px x " + video.videoHeight + "px"); } resolve(); } else { window.setTimeout(checkVideo, 500); } } else { reject('Unable to play video stream. Is webcam working?'); } attempts--; } checkVideo(); }); } /** * Tries to attach the camera-stream to a given video-element * and calls the callback function when the content is ready * @param {Object} constraints * @param {Object} video */ function initCamera(video, constraints) { return navigator.mediaDevices.getUserMedia(constraints).then(function (stream) { return new Promise(function (resolve, reject) { streamRef = stream; video.src = window.URL.createObjectURL(stream); video.onloadedmetadata = function (e) { video.play(); resolve(); }; }); }).then(waitForVideo.bind(null, video)); } function deprecatedConstraints(videoConstraints) { var normalized = (0, _pick3.default)(videoConstraints, ["width", "height", "facingMode", "aspectRatio", "deviceId"]); if (typeof videoConstraints["minAspectRatio"] !== 'undefined' && videoConstraints["minAspectRatio"] > 0) { normalized["aspectRatio"] = videoConstraints["minAspectRatio"]; console.log("WARNING: Constraint 'minAspectRatio' is deprecated; Use 'aspectRatio' instead"); } if (typeof videoConstraints["facing"] !== 'undefined') { normalized["facingMode"] = videoConstraints["facing"]; console.log("WARNING: Constraint 'facing' is deprecated. Use 'facingMode' instead'"); } return normalized; } function applyCameraFacing(facing, constraints) { if (typeof constraints.video.deviceId !== 'undefined' || !facing) { return Promise.resolve(constraints); } if (typeof MediaStreamTrack !== 'undefined' && typeof MediaStreamTrack.getSources !== 'undefined') { return new Promise(function (resolve, reject) { MediaStreamTrack.getSources(function (sourceInfos) { var videoSource = sourceInfos.filter(function (sourceInfo) { return sourceInfo.kind === "video" && sourceInfo.facing === facing; })[0]; if (videoSource) { return resolve((0, _merge3.default)({}, constraints, { video: { deviceId: videoSource.id } })); } return resolve(constraints); }); }); } return Promise.resolve((0, _merge3.default)({}, constraints, { video: { facingMode: facing } })); } function pickConstraints(videoConstraints) { var constraints = { audio: false, video: deprecatedConstraints(videoConstraints) }; return applyCameraFacing(constraints.video.facingMode, constraints); } exports.default = { request: function request(video, videoConstraints) { return pickConstraints(videoConstraints).then(initCamera.bind(null, video)); }, release: function release() { var tracks = streamRef && streamRef.getVideoTracks(); if (tracks && tracks.length) { tracks[0].stop(); } streamRef = null; } }; /***/ }, /* 78 */ /***/ function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(global) {'use strict'; exports.__esModule = true; exports.default = createLocator; exports.checkImageConstraints = checkImageConstraints; var _image_wrapper = __webpack_require__(26); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); var _cv_utils = __webpack_require__(25); var _array_helper = __webpack_require__(13); var _array_helper2 = _interopRequireDefault(_array_helper); var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); var _rasterizer = __webpack_require__(79); var _rasterizer2 = _interopRequireDefault(_rasterizer); var _tracer = __webpack_require__(38); var _tracer2 = _interopRequireDefault(_tracer); var _skeletonizer2 = __webpack_require__(80); var _skeletonizer3 = _interopRequireDefault(_skeletonizer2); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var vec2 = { clone: __webpack_require__(9), dot: __webpack_require__(40), scale: __webpack_require__(94), transformMat2: __webpack_require__(95) }; var mat2 = { copy: __webpack_require__(91), create: __webpack_require__(92), invert: __webpack_require__(93) }; function createLocator(inputImageWrapper, config) { var _config = config, _currentImageWrapper, _skelImageWrapper, _subImageWrapper, _labelImageWrapper, _patchGrid, _patchLabelGrid, _imageToPatchGrid, _binaryImageWrapper, _patchSize, _canvasContainer = { ctx: { binary: null }, dom: { binary: null } }, _numPatches = { x: 0, y: 0 }, _inputImageWrapper = inputImageWrapper, _skeletonizer; initBuffers(); initCanvas(); function initBuffers() { var skeletonImageData; if (_config.halfSample) { _currentImageWrapper = new _image_wrapper2.default({ x: _inputImageWrapper.size.x / 2 | 0, y: _inputImageWrapper.size.y / 2 | 0 }); } else { _currentImageWrapper = _inputImageWrapper; } _patchSize = (0, _cv_utils.calculatePatchSize)(_config.patchSize, _currentImageWrapper.size); _numPatches.x = _currentImageWrapper.size.x / _patchSize.x | 0; _numPatches.y = _currentImageWrapper.size.y / _patchSize.y | 0; _binaryImageWrapper = new _image_wrapper2.default(_currentImageWrapper.size, undefined, Uint8Array, false); _labelImageWrapper = new _image_wrapper2.default(_patchSize, undefined, Array, true); skeletonImageData = new ArrayBuffer(64 * 1024); _subImageWrapper = new _image_wrapper2.default(_patchSize, new Uint8Array(skeletonImageData, 0, _patchSize.x * _patchSize.y)); _skelImageWrapper = new _image_wrapper2.default(_patchSize, new Uint8Array(skeletonImageData, _patchSize.x * _patchSize.y * 3, _patchSize.x * _patchSize.y), undefined, true); _skeletonizer = (0, _skeletonizer3.default)(typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : global, { size: _patchSize.x }, skeletonImageData); _imageToPatchGrid = new _image_wrapper2.default({ x: _currentImageWrapper.size.x / _subImageWrapper.size.x | 0, y: _currentImageWrapper.size.y / _subImageWrapper.size.y | 0 }, undefined, Array, true); _patchGrid = new _image_wrapper2.default(_imageToPatchGrid.size, undefined, undefined, true); _patchLabelGrid = new _image_wrapper2.default(_imageToPatchGrid.size, undefined, Int32Array, true); } function initCanvas() { if (_config.useWorker || typeof document === 'undefined') { return; } _canvasContainer.dom.binary = document.createElement("canvas"); _canvasContainer.dom.binary.className = "binaryBuffer"; if (false) { document.querySelector("#debug").appendChild(_canvasContainer.dom.binary); } _canvasContainer.ctx.binary = _canvasContainer.dom.binary.getContext("2d"); _canvasContainer.dom.binary.width = _binaryImageWrapper.size.x; _canvasContainer.dom.binary.height = _binaryImageWrapper.size.y; } /** * Creates a bounding box which encloses all the given patches * @returns {Array} The minimal bounding box */ function boxFromPatches(patches) { var overAvg, i, j, patch, transMat, minx = _binaryImageWrapper.size.x, miny = _binaryImageWrapper.size.y, maxx = -_binaryImageWrapper.size.x, maxy = -_binaryImageWrapper.size.y, box, scale; // draw all patches which are to be taken into consideration overAvg = 0; for (i = 0; i < patches.length; i++) { patch = patches[i]; overAvg += patch.rad; if (false) { _image_debug2.default.drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "red" }); } } overAvg /= patches.length; overAvg = (overAvg * 180 / Math.PI + 90) % 180 - 90; if (overAvg < 0) { overAvg += 180; } overAvg = (180 - overAvg) * Math.PI / 180; transMat = mat2.copy(mat2.create(), [Math.cos(overAvg), Math.sin(overAvg), -Math.sin(overAvg), Math.cos(overAvg)]); // iterate over patches and rotate by angle for (i = 0; i < patches.length; i++) { patch = patches[i]; for (j = 0; j < 4; j++) { vec2.transformMat2(patch.box[j], patch.box[j], transMat); } if (false) { _image_debug2.default.drawPath(patch.box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#99ff00', lineWidth: 2 }); } } // find bounding box for (i = 0; i < patches.length; i++) { patch = patches[i]; for (j = 0; j < 4; j++) { if (patch.box[j][0] < minx) { minx = patch.box[j][0]; } if (patch.box[j][0] > maxx) { maxx = patch.box[j][0]; } if (patch.box[j][1] < miny) { miny = patch.box[j][1]; } if (patch.box[j][1] > maxy) { maxy = patch.box[j][1]; } } } box = [[minx, miny], [maxx, miny], [maxx, maxy], [minx, maxy]]; if (false) { _image_debug2.default.drawPath(box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#ff0000', lineWidth: 2 }); } scale = _config.halfSample ? 2 : 1; // reverse rotation; transMat = mat2.invert(transMat, transMat); for (j = 0; j < 4; j++) { vec2.transformMat2(box[j], box[j], transMat); } if (false) { _image_debug2.default.drawPath(box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#ff0000', lineWidth: 2 }); } for (j = 0; j < 4; j++) { vec2.scale(box[j], box[j], scale); } return box; } /** * Creates a binary image of the current image */ function binarizeImage() { (0, _cv_utils.otsuThreshold)(_currentImageWrapper, _binaryImageWrapper); _binaryImageWrapper.zeroBorder(); if (false) { _binaryImageWrapper.show(_canvasContainer.dom.binary, 255); } } /** * Iterate over the entire image * extract patches */ function findPatches() { var i, j, x, y, moments, patchesFound = [], rasterizer, rasterResult, patch; for (i = 0; i < _numPatches.x; i++) { for (j = 0; j < _numPatches.y; j++) { x = _subImageWrapper.size.x * i; y = _subImageWrapper.size.y * j; // seperate parts skeletonize(x, y); // Rasterize, find individual bars _skelImageWrapper.zeroBorder(); _array_helper2.default.init(_labelImageWrapper.data, 0); rasterizer = _rasterizer2.default.create(_skelImageWrapper, _labelImageWrapper); rasterResult = rasterizer.rasterize(0); if (false) { _labelImageWrapper.overlay(_canvasContainer.dom.binary, Math.floor(360 / rasterResult.count), { x: x, y: y }); } // calculate moments from the skeletonized patch moments = _labelImageWrapper.moments(rasterResult.count); // extract eligible patches patchesFound = patchesFound.concat(describePatch(moments, [i, j], x, y)); } } if (false) { for (i = 0; i < patchesFound.length; i++) { patch = patchesFound[i]; _image_debug2.default.drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "#99ff00", lineWidth: 2 }); } } return patchesFound; } /** * Finds those connected areas which contain at least 6 patches * and returns them ordered DESC by the number of contained patches * @param {Number} maxLabel */ function findBiggestConnectedAreas(maxLabel) { var i, sum, labelHist = [], topLabels = []; for (i = 0; i < maxLabel; i++) { labelHist.push(0); } sum = _patchLabelGrid.data.length; while (sum--) { if (_patchLabelGrid.data[sum] > 0) { labelHist[_patchLabelGrid.data[sum] - 1]++; } } labelHist = labelHist.map(function (val, idx) { return { val: val, label: idx + 1 }; }); labelHist.sort(function (a, b) { return b.val - a.val; }); // extract top areas with at least 6 patches present topLabels = labelHist.filter(function (el) { return el.val >= 5; }); return topLabels; } /** * */ function findBoxes(topLabels, maxLabel) { var i, j, sum, patches = [], patch, box, boxes = [], hsv = [0, 1, 1], rgb = [0, 0, 0]; for (i = 0; i < topLabels.length; i++) { sum = _patchLabelGrid.data.length; patches.length = 0; while (sum--) { if (_patchLabelGrid.data[sum] === topLabels[i].label) { patch = _imageToPatchGrid.data[sum]; patches.push(patch); } } box = boxFromPatches(patches); if (box) { boxes.push(box); // draw patch-labels if requested if (false) { for (j = 0; j < patches.length; j++) { patch = patches[j]; hsv[0] = topLabels[i].label / (maxLabel + 1) * 360; (0, _cv_utils.hsv2rgb)(hsv, rgb); _image_debug2.default.drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "rgb(" + rgb.join(",") + ")", lineWidth: 2 }); } } } } return boxes; } /** * Find similar moments (via cluster) * @param {Object} moments */ function similarMoments(moments) { var clusters = (0, _cv_utils.cluster)(moments, 0.90); var topCluster = (0, _cv_utils.topGeneric)(clusters, 1, function (e) { return e.getPoints().length; }); var points = [], result = []; if (topCluster.length === 1) { points = topCluster[0].item.getPoints(); for (var i = 0; i < points.length; i++) { result.push(points[i].point); } } return result; } function skeletonize(x, y) { _binaryImageWrapper.subImageAsCopy(_subImageWrapper, (0, _cv_utils.imageRef)(x, y)); _skeletonizer.skeletonize(); // Show skeleton if requested if (false) { _skelImageWrapper.overlay(_canvasContainer.dom.binary, 360, (0, _cv_utils.imageRef)(x, y)); } } /** * Extracts and describes those patches which seem to contain a barcode pattern * @param {Array} moments * @param {Object} patchPos, * @param {Number} x * @param {Number} y * @returns {Array} list of patches */ function describePatch(moments, patchPos, x, y) { var k, avg, eligibleMoments = [], matchingMoments, patch, patchesFound = [], minComponentWeight = Math.ceil(_patchSize.x / 3); if (moments.length >= 2) { // only collect moments which's area covers at least minComponentWeight pixels. for (k = 0; k < moments.length; k++) { if (moments[k].m00 > minComponentWeight) { eligibleMoments.push(moments[k]); } } // if at least 2 moments are found which have at least minComponentWeights covered if (eligibleMoments.length >= 2) { matchingMoments = similarMoments(eligibleMoments); avg = 0; // determine the similarity of the moments for (k = 0; k < matchingMoments.length; k++) { avg += matchingMoments[k].rad; } // Only two of the moments are allowed not to fit into the equation // add the patch to the set if (matchingMoments.length > 1 && matchingMoments.length >= eligibleMoments.length / 4 * 3 && matchingMoments.length > moments.length / 4) { avg /= matchingMoments.length; patch = { index: patchPos[1] * _numPatches.x + patchPos[0], pos: { x: x, y: y }, box: [vec2.clone([x, y]), vec2.clone([x + _subImageWrapper.size.x, y]), vec2.clone([x + _subImageWrapper.size.x, y + _subImageWrapper.size.y]), vec2.clone([x, y + _subImageWrapper.size.y])], moments: matchingMoments, rad: avg, vec: vec2.clone([Math.cos(avg), Math.sin(avg)]) }; patchesFound.push(patch); } } } return patchesFound; } /** * finds patches which are connected and share the same orientation * @param {Object} patchesFound */ function rasterizeAngularSimilarity(patchesFound) { var label = 0, threshold = 0.95, currIdx = 0, j, patch, hsv = [0, 1, 1], rgb = [0, 0, 0]; function notYetProcessed() { var i; for (i = 0; i < _patchLabelGrid.data.length; i++) { if (_patchLabelGrid.data[i] === 0 && _patchGrid.data[i] === 1) { return i; } } return _patchLabelGrid.length; } function trace(currentIdx) { var x, y, currentPatch, idx, dir, current = { x: currentIdx % _patchLabelGrid.size.x, y: currentIdx / _patchLabelGrid.size.x | 0 }, similarity; if (currentIdx < _patchLabelGrid.data.length) { currentPatch = _imageToPatchGrid.data[currentIdx]; // assign label _patchLabelGrid.data[currentIdx] = label; for (dir = 0; dir < _tracer2.default.searchDirections.length; dir++) { y = current.y + _tracer2.default.searchDirections[dir][0]; x = current.x + _tracer2.default.searchDirections[dir][1]; idx = y * _patchLabelGrid.size.x + x; // continue if patch empty if (_patchGrid.data[idx] === 0) { _patchLabelGrid.data[idx] = Number.MAX_VALUE; continue; } if (_patchLabelGrid.data[idx] === 0) { similarity = Math.abs(vec2.dot(_imageToPatchGrid.data[idx].vec, currentPatch.vec)); if (similarity > threshold) { trace(idx); } } } } } // prepare for finding the right patches _array_helper2.default.init(_patchGrid.data, 0); _array_helper2.default.init(_patchLabelGrid.data, 0); _array_helper2.default.init(_imageToPatchGrid.data, null); for (j = 0; j < patchesFound.length; j++) { patch = patchesFound[j]; _imageToPatchGrid.data[patch.index] = patch; _patchGrid.data[patch.index] = 1; } // rasterize the patches found to determine area _patchGrid.zeroBorder(); while ((currIdx = notYetProcessed()) < _patchLabelGrid.data.length) { label++; trace(currIdx); } // draw patch-labels if requested if (false) { for (j = 0; j < _patchLabelGrid.data.length; j++) { if (_patchLabelGrid.data[j] > 0 && _patchLabelGrid.data[j] <= label) { patch = _imageToPatchGrid.data[j]; hsv[0] = _patchLabelGrid.data[j] / (label + 1) * 360; (0, _cv_utils.hsv2rgb)(hsv, rgb); _image_debug2.default.drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "rgb(" + rgb.join(",") + ")", lineWidth: 2 }); } } } return label; } return { locate: function locate() { var patchesFound, topLabels, boxes; if (_config.halfSample) { (0, _cv_utils.halfSample)(_inputImageWrapper, _currentImageWrapper); } binarizeImage(); patchesFound = findPatches(); // return unless 5% or more patches are found if (patchesFound.length < _numPatches.x * _numPatches.y * 0.05) { return null; } // rasterrize area by comparing angular similarity; var maxLabel = rasterizeAngularSimilarity(patchesFound); if (maxLabel < 1) { return null; } // search for area with the most patches (biggest connected area) topLabels = findBiggestConnectedAreas(maxLabel); if (topLabels.length === 0) { return null; } boxes = findBoxes(topLabels, maxLabel); return boxes; } }; } function checkImageConstraints(inputStream, config) { var patchSize, width = inputStream.getWidth(), height = inputStream.getHeight(), halfSample = config.halfSample ? 0.5 : 1, size, area; // calculate width and height based on area if (inputStream.getConfig().area) { area = (0, _cv_utils.computeImageArea)(width, height, inputStream.getConfig().area); inputStream.setTopRight({ x: area.sx, y: area.sy }); inputStream.setCanvasSize({ x: width, y: height }); width = area.sw; height = area.sh; } size = { x: Math.floor(width * halfSample), y: Math.floor(height * halfSample) }; patchSize = (0, _cv_utils.calculatePatchSize)(config.patchSize, size); if (false) { console.log("Patch-Size: " + JSON.stringify(patchSize)); } inputStream.setWidth(Math.floor(Math.floor(size.x / patchSize.x) * (1 / halfSample) * patchSize.x)); inputStream.setHeight(Math.floor(Math.floor(size.y / patchSize.y) * (1 / halfSample) * patchSize.y)); if (inputStream.getWidth() % patchSize.x === 0 && inputStream.getHeight() % patchSize.y === 0) { return true; } throw new Error("Image dimensions do not comply with the current settings: Width (" + width + " )and height (" + height + ") must a multiple of " + patchSize.x); } /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()))) /***/ }, /* 79 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _tracer = __webpack_require__(38); var _tracer2 = _interopRequireDefault(_tracer); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } /** * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization */ var Rasterizer = { createContour2D: function createContour2D() { return { dir: null, index: null, firstVertex: null, insideContours: null, nextpeer: null, prevpeer: null }; }, CONTOUR_DIR: { CW_DIR: 0, CCW_DIR: 1, UNKNOWN_DIR: 2 }, DIR: { OUTSIDE_EDGE: -32767, INSIDE_EDGE: -32766 }, create: function create(imageWrapper, labelWrapper) { var imageData = imageWrapper.data, labelData = labelWrapper.data, width = imageWrapper.size.x, height = imageWrapper.size.y, tracer = _tracer2.default.create(imageWrapper, labelWrapper); return { rasterize: function rasterize(depthlabel) { var color, bc, lc, labelindex, cx, cy, colorMap = [], vertex, p, cc, sc, pos, connectedCount = 0, i; for (i = 0; i < 400; i++) { colorMap[i] = 0; } colorMap[0] = imageData[0]; cc = null; for (cy = 1; cy < height - 1; cy++) { labelindex = 0; bc = colorMap[0]; for (cx = 1; cx < width - 1; cx++) { pos = cy * width + cx; if (labelData[pos] === 0) { color = imageData[pos]; if (color !== bc) { if (labelindex === 0) { lc = connectedCount + 1; colorMap[lc] = color; bc = color; vertex = tracer.contourTracing(cy, cx, lc, color, Rasterizer.DIR.OUTSIDE_EDGE); if (vertex !== null) { connectedCount++; labelindex = lc; p = Rasterizer.createContour2D(); p.dir = Rasterizer.CONTOUR_DIR.CW_DIR; p.index = labelindex; p.firstVertex = vertex; p.nextpeer = cc; p.insideContours = null; if (cc !== null) { cc.prevpeer = p; } cc = p; } } else { vertex = tracer.contourTracing(cy, cx, Rasterizer.DIR.INSIDE_EDGE, color, labelindex); if (vertex !== null) { p = Rasterizer.createContour2D(); p.firstVertex = vertex; p.insideContours = null; if (depthlabel === 0) { p.dir = Rasterizer.CONTOUR_DIR.CCW_DIR; } else { p.dir = Rasterizer.CONTOUR_DIR.CW_DIR; } p.index = depthlabel; sc = cc; while (sc !== null && sc.index !== labelindex) { sc = sc.nextpeer; } if (sc !== null) { p.nextpeer = sc.insideContours; if (sc.insideContours !== null) { sc.insideContours.prevpeer = p; } sc.insideContours = p; } } } } else { labelData[pos] = labelindex; } } else if (labelData[pos] === Rasterizer.DIR.OUTSIDE_EDGE || labelData[pos] === Rasterizer.DIR.INSIDE_EDGE) { labelindex = 0; if (labelData[pos] === Rasterizer.DIR.INSIDE_EDGE) { bc = imageData[pos]; } else { bc = colorMap[0]; } } else { labelindex = labelData[pos]; bc = colorMap[labelindex]; } } } sc = cc; while (sc !== null) { sc.index = depthlabel; sc = sc.nextpeer; } return { cc: cc, count: connectedCount }; }, debug: { drawContour: function drawContour(canvas, firstContour) { var ctx = canvas.getContext("2d"), pq = firstContour, iq, q, p; ctx.strokeStyle = "red"; ctx.fillStyle = "red"; ctx.lineWidth = 1; if (pq !== null) { iq = pq.insideContours; } else { iq = null; } while (pq !== null) { if (iq !== null) { q = iq; iq = iq.nextpeer; } else { q = pq; pq = pq.nextpeer; if (pq !== null) { iq = pq.insideContours; } else { iq = null; } } switch (q.dir) { case Rasterizer.CONTOUR_DIR.CW_DIR: ctx.strokeStyle = "red"; break; case Rasterizer.CONTOUR_DIR.CCW_DIR: ctx.strokeStyle = "blue"; break; case Rasterizer.CONTOUR_DIR.UNKNOWN_DIR: ctx.strokeStyle = "green"; break; } p = q.firstVertex; ctx.beginPath(); ctx.moveTo(p.x, p.y); do { p = p.next; ctx.lineTo(p.x, p.y); } while (p !== q.firstVertex); ctx.stroke(); } } } }; } }; exports.default = Rasterizer; /***/ }, /* 80 */ /***/ function(module, exports) { "use strict"; exports.__esModule = true; /* @preserve ASM BEGIN */ /* eslint-disable eqeqeq*/ function Skeletonizer(stdlib, foreign, buffer) { "use asm"; var images = new stdlib.Uint8Array(buffer), size = foreign.size | 0, imul = stdlib.Math.imul; function erode(inImagePtr, outImagePtr) { inImagePtr = inImagePtr | 0; outImagePtr = outImagePtr | 0; var v = 0, u = 0, sum = 0, yStart1 = 0, yStart2 = 0, xStart1 = 0, xStart2 = 0, offset = 0; for (v = 1; (v | 0) < (size - 1 | 0); v = v + 1 | 0) { offset = offset + size | 0; for (u = 1; (u | 0) < (size - 1 | 0); u = u + 1 | 0) { yStart1 = offset - size | 0; yStart2 = offset + size | 0; xStart1 = u - 1 | 0; xStart2 = u + 1 | 0; sum = (images[inImagePtr + yStart1 + xStart1 | 0] | 0) + (images[inImagePtr + yStart1 + xStart2 | 0] | 0) + (images[inImagePtr + offset + u | 0] | 0) + (images[inImagePtr + yStart2 + xStart1 | 0] | 0) + (images[inImagePtr + yStart2 + xStart2 | 0] | 0) | 0; if ((sum | 0) == (5 | 0)) { images[outImagePtr + offset + u | 0] = 1; } else { images[outImagePtr + offset + u | 0] = 0; } } } return; } function subtract(aImagePtr, bImagePtr, outImagePtr) { aImagePtr = aImagePtr | 0; bImagePtr = bImagePtr | 0; outImagePtr = outImagePtr | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[outImagePtr + length | 0] = (images[aImagePtr + length | 0] | 0) - (images[bImagePtr + length | 0] | 0) | 0; } } function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) { aImagePtr = aImagePtr | 0; bImagePtr = bImagePtr | 0; outImagePtr = outImagePtr | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[outImagePtr + length | 0] = images[aImagePtr + length | 0] | 0 | (images[bImagePtr + length | 0] | 0) | 0; } } function countNonZero(imagePtr) { imagePtr = imagePtr | 0; var sum = 0, length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; sum = (sum | 0) + (images[imagePtr + length | 0] | 0) | 0; } return sum | 0; } function init(imagePtr, value) { imagePtr = imagePtr | 0; value = value | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[imagePtr + length | 0] = value; } } function dilate(inImagePtr, outImagePtr) { inImagePtr = inImagePtr | 0; outImagePtr = outImagePtr | 0; var v = 0, u = 0, sum = 0, yStart1 = 0, yStart2 = 0, xStart1 = 0, xStart2 = 0, offset = 0; for (v = 1; (v | 0) < (size - 1 | 0); v = v + 1 | 0) { offset = offset + size | 0; for (u = 1; (u | 0) < (size - 1 | 0); u = u + 1 | 0) { yStart1 = offset - size | 0; yStart2 = offset + size | 0; xStart1 = u - 1 | 0; xStart2 = u + 1 | 0; sum = (images[inImagePtr + yStart1 + xStart1 | 0] | 0) + (images[inImagePtr + yStart1 + xStart2 | 0] | 0) + (images[inImagePtr + offset + u | 0] | 0) + (images[inImagePtr + yStart2 + xStart1 | 0] | 0) + (images[inImagePtr + yStart2 + xStart2 | 0] | 0) | 0; if ((sum | 0) > (0 | 0)) { images[outImagePtr + offset + u | 0] = 1; } else { images[outImagePtr + offset + u | 0] = 0; } } } return; } function memcpy(srcImagePtr, dstImagePtr) { srcImagePtr = srcImagePtr | 0; dstImagePtr = dstImagePtr | 0; var length = 0; length = imul(size, size) | 0; while ((length | 0) > 0) { length = length - 1 | 0; images[dstImagePtr + length | 0] = images[srcImagePtr + length | 0] | 0; } } function zeroBorder(imagePtr) { imagePtr = imagePtr | 0; var x = 0, y = 0; for (x = 0; (x | 0) < (size - 1 | 0); x = x + 1 | 0) { images[imagePtr + x | 0] = 0; images[imagePtr + y | 0] = 0; y = y + size - 1 | 0; images[imagePtr + y | 0] = 0; y = y + 1 | 0; } for (x = 0; (x | 0) < (size | 0); x = x + 1 | 0) { images[imagePtr + y | 0] = 0; y = y + 1 | 0; } } function skeletonize() { var subImagePtr = 0, erodedImagePtr = 0, tempImagePtr = 0, skelImagePtr = 0, sum = 0, done = 0; erodedImagePtr = imul(size, size) | 0; tempImagePtr = erodedImagePtr + erodedImagePtr | 0; skelImagePtr = tempImagePtr + erodedImagePtr | 0; // init skel-image init(skelImagePtr, 0); zeroBorder(subImagePtr); do { erode(subImagePtr, erodedImagePtr); dilate(erodedImagePtr, tempImagePtr); subtract(subImagePtr, tempImagePtr, tempImagePtr); bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr); memcpy(erodedImagePtr, subImagePtr); sum = countNonZero(subImagePtr) | 0; done = (sum | 0) == 0 | 0; } while (!done); } return { skeletonize: skeletonize }; } /* @preserve ASM END */ exports.default = Skeletonizer; /* eslint-enable eqeqeq*/ /***/ }, /* 81 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function CodabarReader() { _barcode_reader2.default.call(this); this._counters = []; } var properties = { ALPHABETH_STRING: { value: "0123456789-$:/.+ABCD" }, ALPHABET: { value: [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 45, 36, 58, 47, 46, 43, 65, 66, 67, 68] }, CHARACTER_ENCODINGS: { value: [0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024, 0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015, 0x01A, 0x029, 0x00B, 0x00E] }, START_END: { value: [0x01A, 0x029, 0x00B, 0x00E] }, MIN_ENCODED_CHARS: { value: 4 }, MAX_ACCEPTABLE: { value: 2.0 }, PADDING: { value: 1.5 }, FORMAT: { value: "codabar", writeable: false } }; CodabarReader.prototype = Object.create(_barcode_reader2.default.prototype, properties); CodabarReader.prototype.constructor = CodabarReader; CodabarReader.prototype._decode = function () { var self = this, result = [], start, decodedChar, pattern, nextStart, end; this._counters = self._fillCounters(); start = self._findStart(); if (!start) { return null; } nextStart = start.startCounter; do { pattern = self._toPattern(nextStart); if (pattern < 0) { return null; } decodedChar = self._patternToChar(pattern); if (decodedChar < 0) { return null; } result.push(decodedChar); nextStart += 8; if (result.length > 1 && self._isStartEnd(pattern)) { break; } } while (nextStart < self._counters.length); // verify end if (result.length - 2 < self.MIN_ENCODED_CHARS || !self._isStartEnd(pattern)) { return null; } // verify end white space if (!self._verifyWhitespace(start.startCounter, nextStart - 8)) { return null; } if (!self._validateResult(result, start.startCounter)) { return null; } nextStart = nextStart > self._counters.length ? self._counters.length : nextStart; end = start.start + self._sumCounters(start.startCounter, nextStart - 8); return { code: result.join(""), start: start.start, end: end, startInfo: start, decodedCodes: result }; }; CodabarReader.prototype._verifyWhitespace = function (startCounter, endCounter) { if (startCounter - 1 <= 0 || this._counters[startCounter - 1] >= this._calculatePatternLength(startCounter) / 2.0) { if (endCounter + 8 >= this._counters.length || this._counters[endCounter + 7] >= this._calculatePatternLength(endCounter) / 2.0) { return true; } } return false; }; CodabarReader.prototype._calculatePatternLength = function (offset) { var i, sum = 0; for (i = offset; i < offset + 7; i++) { sum += this._counters[i]; } return sum; }; CodabarReader.prototype._thresholdResultPattern = function (result, startCounter) { var self = this, categorization = { space: { narrow: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE }, wide: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE } }, bar: { narrow: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE }, wide: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE } } }, kind, cat, i, j, pos = startCounter, pattern; for (i = 0; i < result.length; i++) { pattern = self._charToPattern(result[i]); for (j = 6; j >= 0; j--) { kind = (j & 1) === 2 ? categorization.bar : categorization.space; cat = (pattern & 1) === 1 ? kind.wide : kind.narrow; cat.size += self._counters[pos + j]; cat.counts++; pattern >>= 1; } pos += 8; } ["space", "bar"].forEach(function (key) { var newkind = categorization[key]; newkind.wide.min = Math.floor((newkind.narrow.size / newkind.narrow.counts + newkind.wide.size / newkind.wide.counts) / 2); newkind.narrow.max = Math.ceil(newkind.wide.min); newkind.wide.max = Math.ceil((newkind.wide.size * self.MAX_ACCEPTABLE + self.PADDING) / newkind.wide.counts); }); return categorization; }; CodabarReader.prototype._charToPattern = function (char) { var self = this, charCode = char.charCodeAt(0), i; for (i = 0; i < self.ALPHABET.length; i++) { if (self.ALPHABET[i] === charCode) { return self.CHARACTER_ENCODINGS[i]; } } return 0x0; }; CodabarReader.prototype._validateResult = function (result, startCounter) { var self = this, thresholds = self._thresholdResultPattern(result, startCounter), i, j, kind, cat, size, pos = startCounter, pattern; for (i = 0; i < result.length; i++) { pattern = self._charToPattern(result[i]); for (j = 6; j >= 0; j--) { kind = (j & 1) === 0 ? thresholds.bar : thresholds.space; cat = (pattern & 1) === 1 ? kind.wide : kind.narrow; size = self._counters[pos + j]; if (size < cat.min || size > cat.max) { return false; } pattern >>= 1; } pos += 8; } return true; }; CodabarReader.prototype._patternToChar = function (pattern) { var i, self = this; for (i = 0; i < self.CHARACTER_ENCODINGS.length; i++) { if (self.CHARACTER_ENCODINGS[i] === pattern) { return String.fromCharCode(self.ALPHABET[i]); } } return -1; }; CodabarReader.prototype._computeAlternatingThreshold = function (offset, end) { var i, min = Number.MAX_VALUE, max = 0, counter; for (i = offset; i < end; i += 2) { counter = this._counters[i]; if (counter > max) { max = counter; } if (counter < min) { min = counter; } } return (min + max) / 2.0 | 0; }; CodabarReader.prototype._toPattern = function (offset) { var numCounters = 7, end = offset + numCounters, barThreshold, spaceThreshold, bitmask = 1 << numCounters - 1, pattern = 0, i, threshold; if (end > this._counters.length) { return -1; } barThreshold = this._computeAlternatingThreshold(offset, end); spaceThreshold = this._computeAlternatingThreshold(offset + 1, end); for (i = 0; i < numCounters; i++) { threshold = (i & 1) === 0 ? barThreshold : spaceThreshold; if (this._counters[offset + i] > threshold) { pattern |= bitmask; } bitmask >>= 1; } return pattern; }; CodabarReader.prototype._isStartEnd = function (pattern) { var i; for (i = 0; i < this.START_END.length; i++) { if (this.START_END[i] === pattern) { return true; } } return false; }; CodabarReader.prototype._sumCounters = function (start, end) { var i, sum = 0; for (i = start; i < end; i++) { sum += this._counters[i]; } return sum; }; CodabarReader.prototype._findStart = function () { var self = this, i, pattern, start = self._nextUnset(self._row), end; for (i = 1; i < this._counters.length; i++) { pattern = self._toPattern(i); if (pattern !== -1 && self._isStartEnd(pattern)) { // TODO: Look for whitespace ahead start += self._sumCounters(0, i); end = start + self._sumCounters(i, i + 8); return { start: start, end: end, startCounter: i, endCounter: i + 8 }; } } }; exports.default = CodabarReader; /***/ }, /* 82 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function Code128Reader() { _barcode_reader2.default.call(this); } var properties = { CODE_SHIFT: { value: 98 }, CODE_C: { value: 99 }, CODE_B: { value: 100 }, CODE_A: { value: 101 }, START_CODE_A: { value: 103 }, START_CODE_B: { value: 104 }, START_CODE_C: { value: 105 }, STOP_CODE: { value: 106 }, CODE_PATTERN: { value: [[2, 1, 2, 2, 2, 2], [2, 2, 2, 1, 2, 2], [2, 2, 2, 2, 2, 1], [1, 2, 1, 2, 2, 3], [1, 2, 1, 3, 2, 2], [1, 3, 1, 2, 2, 2], [1, 2, 2, 2, 1, 3], [1, 2, 2, 3, 1, 2], [1, 3, 2, 2, 1, 2], [2, 2, 1, 2, 1, 3], [2, 2, 1, 3, 1, 2], [2, 3, 1, 2, 1, 2], [1, 1, 2, 2, 3, 2], [1, 2, 2, 1, 3, 2], [1, 2, 2, 2, 3, 1], [1, 1, 3, 2, 2, 2], [1, 2, 3, 1, 2, 2], [1, 2, 3, 2, 2, 1], [2, 2, 3, 2, 1, 1], [2, 2, 1, 1, 3, 2], [2, 2, 1, 2, 3, 1], [2, 1, 3, 2, 1, 2], [2, 2, 3, 1, 1, 2], [3, 1, 2, 1, 3, 1], [3, 1, 1, 2, 2, 2], [3, 2, 1, 1, 2, 2], [3, 2, 1, 2, 2, 1], [3, 1, 2, 2, 1, 2], [3, 2, 2, 1, 1, 2], [3, 2, 2, 2, 1, 1], [2, 1, 2, 1, 2, 3], [2, 1, 2, 3, 2, 1], [2, 3, 2, 1, 2, 1], [1, 1, 1, 3, 2, 3], [1, 3, 1, 1, 2, 3], [1, 3, 1, 3, 2, 1], [1, 1, 2, 3, 1, 3], [1, 3, 2, 1, 1, 3], [1, 3, 2, 3, 1, 1], [2, 1, 1, 3, 1, 3], [2, 3, 1, 1, 1, 3], [2, 3, 1, 3, 1, 1], [1, 1, 2, 1, 3, 3], [1, 1, 2, 3, 3, 1], [1, 3, 2, 1, 3, 1], [1, 1, 3, 1, 2, 3], [1, 1, 3, 3, 2, 1], [1, 3, 3, 1, 2, 1], [3, 1, 3, 1, 2, 1], [2, 1, 1, 3, 3, 1], [2, 3, 1, 1, 3, 1], [2, 1, 3, 1, 1, 3], [2, 1, 3, 3, 1, 1], [2, 1, 3, 1, 3, 1], [3, 1, 1, 1, 2, 3], [3, 1, 1, 3, 2, 1], [3, 3, 1, 1, 2, 1], [3, 1, 2, 1, 1, 3], [3, 1, 2, 3, 1, 1], [3, 3, 2, 1, 1, 1], [3, 1, 4, 1, 1, 1], [2, 2, 1, 4, 1, 1], [4, 3, 1, 1, 1, 1], [1, 1, 1, 2, 2, 4], [1, 1, 1, 4, 2, 2], [1, 2, 1, 1, 2, 4], [1, 2, 1, 4, 2, 1], [1, 4, 1, 1, 2, 2], [1, 4, 1, 2, 2, 1], [1, 1, 2, 2, 1, 4], [1, 1, 2, 4, 1, 2], [1, 2, 2, 1, 1, 4], [1, 2, 2, 4, 1, 1], [1, 4, 2, 1, 1, 2], [1, 4, 2, 2, 1, 1], [2, 4, 1, 2, 1, 1], [2, 2, 1, 1, 1, 4], [4, 1, 3, 1, 1, 1], [2, 4, 1, 1, 1, 2], [1, 3, 4, 1, 1, 1], [1, 1, 1, 2, 4, 2], [1, 2, 1, 1, 4, 2], [1, 2, 1, 2, 4, 1], [1, 1, 4, 2, 1, 2], [1, 2, 4, 1, 1, 2], [1, 2, 4, 2, 1, 1], [4, 1, 1, 2, 1, 2], [4, 2, 1, 1, 1, 2], [4, 2, 1, 2, 1, 1], [2, 1, 2, 1, 4, 1], [2, 1, 4, 1, 2, 1], [4, 1, 2, 1, 2, 1], [1, 1, 1, 1, 4, 3], [1, 1, 1, 3, 4, 1], [1, 3, 1, 1, 4, 1], [1, 1, 4, 1, 1, 3], [1, 1, 4, 3, 1, 1], [4, 1, 1, 1, 1, 3], [4, 1, 1, 3, 1, 1], [1, 1, 3, 1, 4, 1], [1, 1, 4, 1, 3, 1], [3, 1, 1, 1, 4, 1], [4, 1, 1, 1, 3, 1], [2, 1, 1, 4, 1, 2], [2, 1, 1, 2, 1, 4], [2, 1, 1, 2, 3, 2], [2, 3, 3, 1, 1, 1, 2]] }, SINGLE_CODE_ERROR: { value: 0.64 }, AVG_CODE_ERROR: { value: 0.30 }, FORMAT: { value: "code_128", writeable: false }, MODULE_INDICES: { value: { bar: [0, 2, 4], space: [1, 3, 5] } } }; Code128Reader.prototype = Object.create(_barcode_reader2.default.prototype, properties); Code128Reader.prototype.constructor = Code128Reader; Code128Reader.prototype._decodeCode = function (start, correction) { var counter = [0, 0, 0, 0, 0, 0], i, self = this, offset = start, isWhite = !self._row[offset], counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: start, end: start, correction: { bar: 1, space: 1 } }, code, error; for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { if (correction) { self._correct(counter, correction); } for (code = 0; code < self.CODE_PATTERN.length; code++) { error = self._matchPattern(counter, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } bestMatch.end = i; if (bestMatch.code === -1 || bestMatch.error > self.AVG_CODE_ERROR) { return null; } if (self.CODE_PATTERN[bestMatch.code]) { bestMatch.correction.bar = calculateCorrection(self.CODE_PATTERN[bestMatch.code], counter, this.MODULE_INDICES.bar); bestMatch.correction.space = calculateCorrection(self.CODE_PATTERN[bestMatch.code], counter, this.MODULE_INDICES.space); } return bestMatch; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; Code128Reader.prototype._correct = function (counter, correction) { this._correctBars(counter, correction.bar, this.MODULE_INDICES.bar); this._correctBars(counter, correction.space, this.MODULE_INDICES.space); }; Code128Reader.prototype._findStart = function () { var counter = [0, 0, 0, 0, 0, 0], i, self = this, offset = self._nextSet(self._row), isWhite = false, counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0, correction: { bar: 1, space: 1 } }, code, error, j, sum; for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { sum = 0; for (j = 0; j < counter.length; j++) { sum += counter[j]; } for (code = self.START_CODE_A; code <= self.START_CODE_C; code++) { error = self._matchPattern(counter, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } if (bestMatch.error < self.AVG_CODE_ERROR) { bestMatch.start = i - sum; bestMatch.end = i; bestMatch.correction.bar = calculateCorrection(self.CODE_PATTERN[bestMatch.code], counter, this.MODULE_INDICES.bar); bestMatch.correction.space = calculateCorrection(self.CODE_PATTERN[bestMatch.code], counter, this.MODULE_INDICES.space); return bestMatch; } for (j = 0; j < 4; j++) { counter[j] = counter[j + 2]; } counter[4] = 0; counter[5] = 0; counterPos--; } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; Code128Reader.prototype._decode = function () { var self = this, startInfo = self._findStart(), code = null, done = false, result = [], multiplier = 0, checksum = 0, codeset, rawResult = [], decodedCodes = [], shiftNext = false, unshift, removeLastCharacter = true; if (startInfo === null) { return null; } code = { code: startInfo.code, start: startInfo.start, end: startInfo.end, correction: { bar: startInfo.correction.bar, space: startInfo.correction.space } }; decodedCodes.push(code); checksum = code.code; switch (code.code) { case self.START_CODE_A: codeset = self.CODE_A; break; case self.START_CODE_B: codeset = self.CODE_B; break; case self.START_CODE_C: codeset = self.CODE_C; break; default: return null; } while (!done) { unshift = shiftNext; shiftNext = false; code = self._decodeCode(code.end, code.correction); if (code !== null) { if (code.code !== self.STOP_CODE) { removeLastCharacter = true; } if (code.code !== self.STOP_CODE) { rawResult.push(code.code); multiplier++; checksum += multiplier * code.code; } decodedCodes.push(code); switch (codeset) { case self.CODE_A: if (code.code < 64) { result.push(String.fromCharCode(32 + code.code)); } else if (code.code < 96) { result.push(String.fromCharCode(code.code - 64)); } else { if (code.code !== self.STOP_CODE) { removeLastCharacter = false; } switch (code.code) { case self.CODE_SHIFT: shiftNext = true; codeset = self.CODE_B; break; case self.CODE_B: codeset = self.CODE_B; break; case self.CODE_C: codeset = self.CODE_C; break; case self.STOP_CODE: done = true; break; } } break; case self.CODE_B: if (code.code < 96) { result.push(String.fromCharCode(32 + code.code)); } else { if (code.code !== self.STOP_CODE) { removeLastCharacter = false; } switch (code.code) { case self.CODE_SHIFT: shiftNext = true; codeset = self.CODE_A; break; case self.CODE_A: codeset = self.CODE_A; break; case self.CODE_C: codeset = self.CODE_C; break; case self.STOP_CODE: done = true; break; } } break; case self.CODE_C: if (code.code < 100) { result.push(code.code < 10 ? "0" + code.code : code.code); } else { if (code.code !== self.STOP_CODE) { removeLastCharacter = false; } switch (code.code) { case self.CODE_A: codeset = self.CODE_A; break; case self.CODE_B: codeset = self.CODE_B; break; case self.STOP_CODE: done = true; break; } } break; } } else { done = true; } if (unshift) { codeset = codeset === self.CODE_A ? self.CODE_B : self.CODE_A; } } if (code === null) { return null; } code.end = self._nextUnset(self._row, code.end); if (!self._verifyTrailingWhitespace(code)) { return null; } checksum -= multiplier * rawResult[rawResult.length - 1]; if (checksum % 103 !== rawResult[rawResult.length - 1]) { return null; } if (!result.length) { return null; } // remove last code from result (checksum) if (removeLastCharacter) { result.splice(result.length - 1, 1); } return { code: result.join(""), start: startInfo.start, end: code.end, codeset: codeset, startInfo: startInfo, decodedCodes: decodedCodes, endInfo: code }; }; _barcode_reader2.default.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2; if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } return null; }; function calculateCorrection(expected, normalized, indices) { var length = indices.length, sumNormalized = 0, sumExpected = 0; while (length--) { sumExpected += expected[indices[length]]; sumNormalized += normalized[indices[length]]; } return sumExpected / sumNormalized; } exports.default = Code128Reader; /***/ }, /* 83 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _code_39_reader = __webpack_require__(39); var _code_39_reader2 = _interopRequireDefault(_code_39_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function Code39VINReader() { _code_39_reader2.default.call(this); } var patterns = { IOQ: /[IOQ]/g, AZ09: /[A-Z0-9]{17}/ }; Code39VINReader.prototype = Object.create(_code_39_reader2.default.prototype); Code39VINReader.prototype.constructor = Code39VINReader; // Cribbed from: // https://github.com/zxing/zxing/blob/master/core/src/main/java/com/google/zxing/client/result/VINResultParser.java Code39VINReader.prototype._decode = function () { var result = _code_39_reader2.default.prototype._decode.apply(this); if (!result) { return null; } var code = result.code; if (!code) { return null; } code = code.replace(patterns.IOQ, ''); if (!code.match(patterns.AZ09)) { if (false) { console.log('Failed AZ09 pattern code:', code); } return null; } if (!this._checkChecksum(code)) { return null; } result.code = code; return result; }; Code39VINReader.prototype._checkChecksum = function (code) { // TODO return !!code; }; exports.default = Code39VINReader; /***/ }, /* 84 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function EAN2Reader() { _ean_reader2.default.call(this); } var properties = { FORMAT: { value: "ean_2", writeable: false } }; EAN2Reader.prototype = Object.create(_ean_reader2.default.prototype, properties); EAN2Reader.prototype.constructor = EAN2Reader; EAN2Reader.prototype.decode = function (row, start) { this._row = row; var counters = [0, 0, 0, 0], codeFrequency = 0, i = 0, offset = start, end = this._row.length, code, result = [], decodedCodes = []; for (i = 0; i < 2 && offset < end; i++) { code = this._decodeCode(offset); if (!code) { return null; } decodedCodes.push(code); result.push(code.code % 10); if (code.code >= this.CODE_G_START) { codeFrequency |= 1 << 1 - i; } if (i != 1) { offset = this._nextSet(this._row, code.end); offset = this._nextUnset(this._row, offset); } } if (result.length != 2 || parseInt(result.join("")) % 4 !== codeFrequency) { return null; } return { code: result.join(""), decodedCodes: decodedCodes, end: code.end }; }; exports.default = EAN2Reader; /***/ }, /* 85 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function EAN5Reader() { _ean_reader2.default.call(this); } var properties = { FORMAT: { value: "ean_5", writeable: false } }; var CHECK_DIGIT_ENCODINGS = [24, 20, 18, 17, 12, 6, 3, 10, 9, 5]; EAN5Reader.prototype = Object.create(_ean_reader2.default.prototype, properties); EAN5Reader.prototype.constructor = EAN5Reader; EAN5Reader.prototype.decode = function (row, start) { this._row = row; var counters = [0, 0, 0, 0], codeFrequency = 0, i = 0, offset = start, end = this._row.length, code, result = [], decodedCodes = []; for (i = 0; i < 5 && offset < end; i++) { code = this._decodeCode(offset); if (!code) { return null; } decodedCodes.push(code); result.push(code.code % 10); if (code.code >= this.CODE_G_START) { codeFrequency |= 1 << 4 - i; } if (i != 4) { offset = this._nextSet(this._row, code.end); offset = this._nextUnset(this._row, offset); } } if (result.length != 5) { return null; } if (extensionChecksum(result) !== determineCheckDigit(codeFrequency)) { return null; } return { code: result.join(""), decodedCodes: decodedCodes, end: code.end }; }; function determineCheckDigit(codeFrequency) { var i; for (i = 0; i < 10; i++) { if (codeFrequency === CHECK_DIGIT_ENCODINGS[i]) { return i; } } return null; } function extensionChecksum(result) { var length = result.length, sum = 0, i; for (i = length - 2; i >= 0; i -= 2) { sum += result[i]; } sum *= 3; for (i = length - 1; i >= 0; i -= 2) { sum += result[i]; } sum *= 3; return sum % 10; } exports.default = EAN5Reader; /***/ }, /* 86 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function EAN8Reader(opts, supplements) { _ean_reader2.default.call(this, opts, supplements); } var properties = { FORMAT: { value: "ean_8", writeable: false } }; EAN8Reader.prototype = Object.create(_ean_reader2.default.prototype, properties); EAN8Reader.prototype.constructor = EAN8Reader; EAN8Reader.prototype._decodePayload = function (code, result, decodedCodes) { var i, self = this; for (i = 0; i < 4; i++) { code = self._decodeCode(code.end, self.CODE_G_START); if (!code) { return null; } result.push(code.code); decodedCodes.push(code); } code = self._findPattern(self.MIDDLE_PATTERN, code.end, true, false); if (code === null) { return null; } decodedCodes.push(code); for (i = 0; i < 4; i++) { code = self._decodeCode(code.end, self.CODE_G_START); if (!code) { return null; } decodedCodes.push(code); result.push(code.code); } return code; }; exports.default = EAN8Reader; /***/ }, /* 87 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _merge2 = __webpack_require__(12); var _merge3 = _interopRequireDefault(_merge2); var _barcode_reader = __webpack_require__(8); var _barcode_reader2 = _interopRequireDefault(_barcode_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function I2of5Reader(opts) { opts = (0, _merge3.default)(getDefaulConfig(), opts); _barcode_reader2.default.call(this, opts); this.barSpaceRatio = [1, 1]; if (opts.normalizeBarSpaceWidth) { this.SINGLE_CODE_ERROR = 0.38; this.AVG_CODE_ERROR = 0.09; } } function getDefaulConfig() { var config = {}; Object.keys(I2of5Reader.CONFIG_KEYS).forEach(function (key) { config[key] = I2of5Reader.CONFIG_KEYS[key].default; }); return config; } var N = 1, W = 3, properties = { START_PATTERN: { value: [N, N, N, N] }, STOP_PATTERN: { value: [N, N, W] }, CODE_PATTERN: { value: [[N, N, W, W, N], [W, N, N, N, W], [N, W, N, N, W], [W, W, N, N, N], [N, N, W, N, W], [W, N, W, N, N], [N, W, W, N, N], [N, N, N, W, W], [W, N, N, W, N], [N, W, N, W, N]] }, SINGLE_CODE_ERROR: { value: 0.78, writable: true }, AVG_CODE_ERROR: { value: 0.38, writable: true }, MAX_CORRECTION_FACTOR: { value: 5 }, FORMAT: { value: "i2of5" } }; I2of5Reader.prototype = Object.create(_barcode_reader2.default.prototype, properties); I2of5Reader.prototype.constructor = I2of5Reader; I2of5Reader.prototype._matchPattern = function (counter, code) { if (this.config.normalizeBarSpaceWidth) { var i, counterSum = [0, 0], codeSum = [0, 0], correction = [0, 0], correctionRatio = this.MAX_CORRECTION_FACTOR, correctionRatioInverse = 1 / correctionRatio; for (i = 0; i < counter.length; i++) { counterSum[i % 2] += counter[i]; codeSum[i % 2] += code[i]; } correction[0] = codeSum[0] / counterSum[0]; correction[1] = codeSum[1] / counterSum[1]; correction[0] = Math.max(Math.min(correction[0], correctionRatio), correctionRatioInverse); correction[1] = Math.max(Math.min(correction[1], correctionRatio), correctionRatioInverse); this.barSpaceRatio = correction; for (i = 0; i < counter.length; i++) { counter[i] *= this.barSpaceRatio[i % 2]; } } return _barcode_reader2.default.prototype._matchPattern.call(this, counter, code); }; I2of5Reader.prototype._findPattern = function (pattern, offset, isWhite, tryHarder) { var counter = [], self = this, i, counterPos = 0, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }, error, j, sum, normalized, epsilon = self.AVG_CODE_ERROR; isWhite = isWhite || false; tryHarder = tryHarder || false; if (!offset) { offset = self._nextSet(self._row); } for (i = 0; i < pattern.length; i++) { counter[i] = 0; } for (i = offset; i < self._row.length; i++) { if (self._row[i] ^ isWhite) { counter[counterPos]++; } else { if (counterPos === counter.length - 1) { sum = 0; for (j = 0; j < counter.length; j++) { sum += counter[j]; } error = self._matchPattern(counter, pattern); if (error < epsilon) { bestMatch.error = error; bestMatch.start = i - sum; bestMatch.end = i; return bestMatch; } if (tryHarder) { for (j = 0; j < counter.length - 2; j++) { counter[j] = counter[j + 2]; } counter[counter.length - 2] = 0; counter[counter.length - 1] = 0; counterPos--; } else { return null; } } else { counterPos++; } counter[counterPos] = 1; isWhite = !isWhite; } } return null; }; I2of5Reader.prototype._findStart = function () { var self = this, leadingWhitespaceStart, offset = self._nextSet(self._row), startInfo, narrowBarWidth = 1; while (!startInfo) { startInfo = self._findPattern(self.START_PATTERN, offset, false, true); if (!startInfo) { return null; } narrowBarWidth = Math.floor((startInfo.end - startInfo.start) / 4); leadingWhitespaceStart = startInfo.start - narrowBarWidth * 10; if (leadingWhitespaceStart >= 0) { if (self._matchRange(leadingWhitespaceStart, startInfo.start, 0)) { return startInfo; } } offset = startInfo.end; startInfo = null; } }; I2of5Reader.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2; if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } return null; }; I2of5Reader.prototype._findEnd = function () { var self = this, endInfo, tmp; self._row.reverse(); endInfo = self._findPattern(self.STOP_PATTERN); self._row.reverse(); if (endInfo === null) { return null; } // reverse numbers tmp = endInfo.start; endInfo.start = self._row.length - endInfo.end; endInfo.end = self._row.length - tmp; return endInfo !== null ? self._verifyTrailingWhitespace(endInfo) : null; }; I2of5Reader.prototype._decodePair = function (counterPair) { var i, code, codes = [], self = this; for (i = 0; i < counterPair.length; i++) { code = self._decodeCode(counterPair[i]); if (!code) { return null; } codes.push(code); } return codes; }; I2of5Reader.prototype._decodeCode = function (counter) { var j, self = this, sum = 0, normalized, error, epsilon = self.AVG_CODE_ERROR, code, bestMatch = { error: Number.MAX_VALUE, code: -1, start: 0, end: 0 }; for (j = 0; j < counter.length; j++) { sum += counter[j]; } for (code = 0; code < self.CODE_PATTERN.length; code++) { error = self._matchPattern(counter, self.CODE_PATTERN[code]); if (error < bestMatch.error) { bestMatch.code = code; bestMatch.error = error; } } if (bestMatch.error < epsilon) { return bestMatch; } }; I2of5Reader.prototype._decodePayload = function (counters, result, decodedCodes) { var i, self = this, pos = 0, counterLength = counters.length, counterPair = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 0]], codes; while (pos < counterLength) { for (i = 0; i < 5; i++) { counterPair[0][i] = counters[pos] * this.barSpaceRatio[0]; counterPair[1][i] = counters[pos + 1] * this.barSpaceRatio[1]; pos += 2; } codes = self._decodePair(counterPair); if (!codes) { return null; } for (i = 0; i < codes.length; i++) { result.push(codes[i].code + ""); decodedCodes.push(codes[i]); } } return codes; }; I2of5Reader.prototype._verifyCounterLength = function (counters) { return counters.length % 10 === 0; }; I2of5Reader.prototype._decode = function () { var startInfo, endInfo, self = this, code, result = [], decodedCodes = [], counters; startInfo = self._findStart(); if (!startInfo) { return null; } decodedCodes.push(startInfo); endInfo = self._findEnd(); if (!endInfo) { return null; } counters = self._fillCounters(startInfo.end, endInfo.start, false); if (!self._verifyCounterLength(counters)) { return null; } code = self._decodePayload(counters, result, decodedCodes); if (!code) { return null; } if (result.length % 2 !== 0 || result.length < 6) { return null; } decodedCodes.push(endInfo); return { code: result.join(""), start: startInfo.start, end: endInfo.end, startInfo: startInfo, decodedCodes: decodedCodes }; }; I2of5Reader.CONFIG_KEYS = { normalizeBarSpaceWidth: { 'type': 'boolean', 'default': false, 'description': 'If true, the reader tries to normalize the' + 'width-difference between bars and spaces' } }; exports.default = I2of5Reader; /***/ }, /* 88 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function UPCEReader(opts, supplements) { _ean_reader2.default.call(this, opts, supplements); } var properties = { CODE_FREQUENCY: { value: [[56, 52, 50, 49, 44, 38, 35, 42, 41, 37], [7, 11, 13, 14, 19, 25, 28, 21, 22, 26]] }, STOP_PATTERN: { value: [1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7] }, FORMAT: { value: "upc_e", writeable: false } }; UPCEReader.prototype = Object.create(_ean_reader2.default.prototype, properties); UPCEReader.prototype.constructor = UPCEReader; UPCEReader.prototype._decodePayload = function (code, result, decodedCodes) { var i, self = this, codeFrequency = 0x0; for (i = 0; i < 6; i++) { code = self._decodeCode(code.end); if (!code) { return null; } if (code.code >= self.CODE_G_START) { code.code = code.code - self.CODE_G_START; codeFrequency |= 1 << 5 - i; } result.push(code.code); decodedCodes.push(code); } if (!self._determineParity(codeFrequency, result)) { return null; } return code; }; UPCEReader.prototype._determineParity = function (codeFrequency, result) { var i, nrSystem; for (nrSystem = 0; nrSystem < this.CODE_FREQUENCY.length; nrSystem++) { for (i = 0; i < this.CODE_FREQUENCY[nrSystem].length; i++) { if (codeFrequency === this.CODE_FREQUENCY[nrSystem][i]) { result.unshift(nrSystem); result.push(i); return true; } } } return false; }; UPCEReader.prototype._convertToUPCA = function (result) { var upca = [result[0]], lastDigit = result[result.length - 2]; if (lastDigit <= 2) { upca = upca.concat(result.slice(1, 3)).concat([lastDigit, 0, 0, 0, 0]).concat(result.slice(3, 6)); } else if (lastDigit === 3) { upca = upca.concat(result.slice(1, 4)).concat([0, 0, 0, 0, 0]).concat(result.slice(4, 6)); } else if (lastDigit === 4) { upca = upca.concat(result.slice(1, 5)).concat([0, 0, 0, 0, 0, result[5]]); } else { upca = upca.concat(result.slice(1, 6)).concat([0, 0, 0, 0, lastDigit]); } upca.push(result[result.length - 1]); return upca; }; UPCEReader.prototype._checksum = function (result) { return _ean_reader2.default.prototype._checksum.call(this, this._convertToUPCA(result)); }; UPCEReader.prototype._findEnd = function (offset, isWhite) { isWhite = true; return _ean_reader2.default.prototype._findEnd.call(this, offset, isWhite); }; UPCEReader.prototype._verifyTrailingWhitespace = function (endInfo) { var self = this, trailingWhitespaceEnd; trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2; if (trailingWhitespaceEnd < self._row.length) { if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) { return endInfo; } } }; exports.default = UPCEReader; /***/ }, /* 89 */ /***/ function(module, exports, __webpack_require__) { "use strict"; exports.__esModule = true; var _ean_reader = __webpack_require__(5); var _ean_reader2 = _interopRequireDefault(_ean_reader); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function UPCReader(opts, supplements) { _ean_reader2.default.call(this, opts, supplements); } var properties = { FORMAT: { value: "upc_a", writeable: false } }; UPCReader.prototype = Object.create(_ean_reader2.default.prototype, properties); UPCReader.prototype.constructor = UPCReader; UPCReader.prototype._decode = function () { var result = _ean_reader2.default.prototype._decode.call(this); if (result && result.code && result.code.length === 13 && result.code.charAt(0) === "0") { result.code = result.code.substring(1); return result; } return null; }; exports.default = UPCReader; /***/ }, /* 90 */ /***/ function(module, exports, __webpack_require__) { 'use strict'; exports.__esModule = true; var _merge2 = __webpack_require__(12); var _merge3 = _interopRequireDefault(_merge2); var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; var _image_wrapper = __webpack_require__(26); var _image_wrapper2 = _interopRequireDefault(_image_wrapper); var _barcode_locator = __webpack_require__(78); var _barcode_locator2 = _interopRequireDefault(_barcode_locator); var _barcode_decoder = __webpack_require__(75); var _barcode_decoder2 = _interopRequireDefault(_barcode_decoder); var _events2 = __webpack_require__(71); var _events3 = _interopRequireDefault(_events2); var _camera_access = __webpack_require__(77); var _camera_access2 = _interopRequireDefault(_camera_access); var _image_debug = __webpack_require__(7); var _image_debug2 = _interopRequireDefault(_image_debug); var _result_collector = __webpack_require__(36); var _result_collector2 = _interopRequireDefault(_result_collector); var _config2 = __webpack_require__(37); var _config3 = _interopRequireDefault(_config2); var _input_stream = __webpack_require__(69); var _input_stream2 = _interopRequireDefault(_input_stream); var _frame_grabber = __webpack_require__(68); var _frame_grabber2 = _interopRequireDefault(_frame_grabber); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var vec2 = { clone: __webpack_require__(9) }; function createScanner() { var _inputStream, _framegrabber, _stopped, _canvasContainer = { ctx: { image: null, overlay: null }, dom: { image: null, overlay: null } }, _inputImageWrapper, _boxSize, _decoder, _workerPool = [], _onUIThread = true, _resultCollector, _config = {}, _events = (0, _events3.default)(), _locator; function initializeData(imageWrapper) { initBuffers(imageWrapper); _decoder = _barcode_decoder2.default.create(_config.decoder, _inputImageWrapper); } function initInputStream(cb) { var video; if (_config.inputStream.type === "VideoStream") { video = document.createElement("video"); _inputStream = _input_stream2.default.createVideoStream(video); } else if (_config.inputStream.type === "ImageStream") { _inputStream = _input_stream2.default.createImageStream(); } else if (_config.inputStream.type === "LiveStream") { var $viewport = getViewPort(); if ($viewport) { video = $viewport.querySelector("video"); if (!video) { video = document.createElement("video"); $viewport.appendChild(video); } } _inputStream = _input_stream2.default.createLiveStream(video); _camera_access2.default.request(video, _config.inputStream.constraints).then(function () { _inputStream.trigger("canrecord"); }).catch(function (err) { return cb(err); }); } _inputStream.setAttribute("preload", "auto"); _inputStream.setAttribute("autoplay", true); _inputStream.setInputStream(_config.inputStream); _inputStream.addEventListener("canrecord", canRecord.bind(undefined, cb)); } function getViewPort() { var target = _config.inputStream.target; // Check if target is already a DOM element if (target && target.nodeName && target.nodeType === 1) { return target; } else { // Use '#interactive.viewport' as a fallback selector (backwards compatibility) var selector = typeof target === 'string' ? target : '#interactive.viewport'; return document.querySelector(selector); } } function canRecord(cb) { (0, _barcode_locator.checkImageConstraints)(_inputStream, _config.locator); initCanvas(_config); _framegrabber = _frame_grabber2.default.create(_inputStream, _canvasContainer.dom.image); adjustWorkerPool(_config.numOfWorkers, function () { if (_config.numOfWorkers === 0) { initializeData(); } ready(cb); }); } function ready(cb) { _inputStream.play(); cb(); } function initCanvas() { if (typeof document !== "undefined") { var $viewport = getViewPort(); _canvasContainer.dom.image = document.querySelector("canvas.imgBuffer"); if (!_canvasContainer.dom.image) { _canvasContainer.dom.image = document.createElement("canvas"); _canvasContainer.dom.image.className = "imgBuffer"; if ($viewport && _config.inputStream.type === "ImageStream") { $viewport.appendChild(_canvasContainer.dom.image); } } _canvasContainer.ctx.image = _canvasContainer.dom.image.getContext("2d"); _canvasContainer.dom.image.width = _inputStream.getCanvasSize().x; _canvasContainer.dom.image.height = _inputStream.getCanvasSize().y; _canvasContainer.dom.overlay = document.querySelector("canvas.drawingBuffer"); if (!_canvasContainer.dom.overlay) { _canvasContainer.dom.overlay = document.createElement("canvas"); _canvasContainer.dom.overlay.className = "drawingBuffer"; if ($viewport) { $viewport.appendChild(_canvasContainer.dom.overlay); } } _canvasContainer.ctx.overlay = _canvasContainer.dom.overlay.getContext("2d"); _canvasContainer.dom.overlay.width = _inputStream.getCanvasSize().x; _canvasContainer.dom.overlay.height = _inputStream.getCanvasSize().y; } } function initBuffers(imageWrapper) { if (imageWrapper) { _inputImageWrapper = imageWrapper; } else { _inputImageWrapper = new _image_wrapper2.default({ x: _inputStream.getWidth(), y: _inputStream.getHeight() }); } if (false) { console.log(_inputImageWrapper.size); } _boxSize = [vec2.clone([0, 0]), vec2.clone([0, _inputImageWrapper.size.y]), vec2.clone([_inputImageWrapper.size.x, _inputImageWrapper.size.y]), vec2.clone([_inputImageWrapper.size.x, 0])]; _locator = (0, _barcode_locator2.default)(_inputImageWrapper, _config.locator); } function getBoundingBoxes() { if (_config.locate) { return _locator.locate(); } else { return [[vec2.clone(_boxSize[0]), vec2.clone(_boxSize[1]), vec2.clone(_boxSize[2]), vec2.clone(_boxSize[3])]]; } } function transformResult(result) { var topRight = _inputStream.getTopRight(), xOffset = topRight.x, yOffset = topRight.y, i; if (xOffset === 0 && yOffset === 0) { return; } if (result.barcodes) { for (i = 0; i < result.barcodes.length; i++) { transformResult(result.barcodes[i]); } } if (result.line && result.line.length === 2) { moveLine(result.line); } if (result.box) { moveBox(result.box); } if (result.boxes && result.boxes.length > 0) { for (i = 0; i < result.boxes.length; i++) { moveBox(result.boxes[i]); } } function moveBox(box) { var corner = box.length; while (corner--) { box[corner][0] += xOffset; box[corner][1] += yOffset; } } function moveLine(line) { line[0].x += xOffset; line[0].y += yOffset; line[1].x += xOffset; line[1].y += yOffset; } } function addResult(result, imageData) { if (!imageData || !_resultCollector) { return; } if (result.barcodes) { result.barcodes.filter(function (barcode) { return barcode.codeResult; }).forEach(function (barcode) { return addResult(barcode, imageData); }); } else if (result.codeResult) { _resultCollector.addResult(imageData, _inputStream.getCanvasSize(), result.codeResult); } } function hasCodeResult(result) { return result && (result.barcodes ? result.barcodes.some(function (barcode) { return barcode.codeResult; }) : result.codeResult); } function publishResult(result, imageData) { var resultToPublish = result; if (result && _onUIThread) { transformResult(result); addResult(result, imageData); resultToPublish = result.barcodes || result; } _events.publish("processed", resultToPublish); if (hasCodeResult(result)) { _events.publish("detected", resultToPublish); } } function locateAndDecode() { var result, boxes; boxes = getBoundingBoxes(); if (boxes) { result = _decoder.decodeFromBoundingBoxes(boxes); result = result || {}; result.boxes = boxes; publishResult(result, _inputImageWrapper.data); } else { publishResult(); } } function update() { var availableWorker; if (_onUIThread) { if (_workerPool.length > 0) { availableWorker = _workerPool.filter(function (workerThread) { return !workerThread.busy; })[0]; if (availableWorker) { _framegrabber.attachData(availableWorker.imageData); } else { return; // all workers are busy } } else { _framegrabber.attachData(_inputImageWrapper.data); } if (_framegrabber.grab()) { if (availableWorker) { availableWorker.busy = true; availableWorker.worker.postMessage({ cmd: 'process', imageData: availableWorker.imageData }, [availableWorker.imageData.buffer]); } else { locateAndDecode(); } } } else { locateAndDecode(); } } function startContinuousUpdate() { var next = null, delay = 1000 / (_config.frequency || 60); _stopped = false; (function frame(timestamp) { next = next || timestamp; if (!_stopped) { if (timestamp >= next) { next += delay; update(); } window.requestAnimFrame(frame); } })(performance.now()); } function _start() { if (_onUIThread && _config.inputStream.type === "LiveStream") { startContinuousUpdate(); } else { update(); } } function initWorker(cb) { var blobURL, workerThread = { worker: undefined, imageData: new Uint8Array(_inputStream.getWidth() * _inputStream.getHeight()), busy: true }; blobURL = generateWorkerBlob(); workerThread.worker = new Worker(blobURL); workerThread.worker.onmessage = function (e) { if (e.data.event === 'initialized') { URL.revokeObjectURL(blobURL); workerThread.busy = false; workerThread.imageData = new Uint8Array(e.data.imageData); if (false) { console.log("Worker initialized"); } return cb(workerThread); } else if (e.data.event === 'processed') { workerThread.imageData = new Uint8Array(e.data.imageData); workerThread.busy = false; publishResult(e.data.result, workerThread.imageData); } else if (e.data.event === 'error') { if (false) { console.log("Worker error: " + e.data.message); } } }; workerThread.worker.postMessage({ cmd: 'init', size: { x: _inputStream.getWidth(), y: _inputStream.getHeight() }, imageData: workerThread.imageData, config: configForWorker(_config) }, [workerThread.imageData.buffer]); } function configForWorker(config) { return _extends({}, config, { inputStream: _extends({}, config.inputStream, { target: null }) }); } function workerInterface(factory) { /* eslint-disable no-undef*/ if (factory) { var Quagga = factory().default; if (!Quagga) { self.postMessage({ 'event': 'error', message: 'Quagga could not be created' }); return; } } var imageWrapper, scanner = Quagga._worker.createScanner(); self.onmessage = function (e) { if (e.data.cmd === 'init') { var config = e.data.config; config.numOfWorkers = 0; imageWrapper = new Quagga.ImageWrapper({ x: e.data.size.x, y: e.data.size.y }, new Uint8Array(e.data.imageData)); scanner.init(config, ready, imageWrapper); scanner.subscribe("processed", onProcessed); } else if (e.data.cmd === 'process') { imageWrapper.data = new Uint8Array(e.data.imageData); scanner.start(); } }; function onProcessed(result) { self.postMessage({ 'event': 'processed', imageData: imageWrapper.data, result: result }, [imageWrapper.data.buffer]); } function ready() { // eslint-disable-line self.postMessage({ 'event': 'initialized', imageData: imageWrapper.data }, [imageWrapper.data.buffer]); } /* eslint-enable */ } function generateWorkerBlob() { var blob, factorySource; /* jshint ignore:start */ if (typeof __factorySource__ !== 'undefined') { factorySource = __factorySource__; // eslint-disable-line no-undef } /* jshint ignore:end */ blob = new Blob(['(' + workerInterface.toString() + ')(' + factorySource + ');'], { type: 'text/javascript' }); return window.URL.createObjectURL(blob); } function setReaders(readers) { if (_decoder) { _decoder.setReaders(readers); } else if (_onUIThread && _workerPool.length > 0) { _workerPool.forEach(function (workerThread) { workerThread.worker.postMessage({ cmd: 'setReaders', readers: readers }); }); } } function adjustWorkerPool(capacity, cb) { var increaseBy = capacity - _workerPool.length; if (increaseBy === 0) { return cb && cb(); } if (increaseBy < 0) { var workersToTerminate = _workerPool.slice(increaseBy); workersToTerminate.forEach(function (workerThread) { workerThread.worker.terminate(); if (false) { console.log("Worker terminated!"); } }); _workerPool = _workerPool.slice(0, increaseBy); return cb && cb(); } else { var workerInitialized = function workerInitialized(workerThread) { _workerPool.push(workerThread); if (_workerPool.length >= capacity) { cb && cb(); } }; for (var i = 0; i < increaseBy; i++) { initWorker(workerInitialized); } } } return { init: function init(config, cb, imageWrapper) { _config = (0, _merge3.default)({}, _config3.default, config); if (imageWrapper) { _onUIThread = false; initializeData(imageWrapper); return cb(); } else { initInputStream(cb); } }, start: function start() { _start(); }, stop: function stop() { _stopped = true; adjustWorkerPool(0); if (_config.inputStream.type === "LiveStream") { _camera_access2.default.release(); _inputStream.clearEventHandlers(); } }, pause: function pause() { _stopped = true; }, subscribe: function subscribe(eventName, callback) { _events.subscribe(eventName, callback); }, unsubscribe: function unsubscribe(eventName, callback) { _events.unsubscribe(eventName, callback); }, registerResultCollector: function registerResultCollector(resultCollector) { if (resultCollector && typeof resultCollector.addResult === 'function') { _resultCollector = resultCollector; } }, decodeSingle: function decodeSingle(config, resultCallback) { var _this = this; this.init(config, function () { _events.once("processed", function (result) { _this.stop(); resultCallback.call(null, result); }, true); _start(); }); }, canvas: _canvasContainer }; } exports.default = createScanner; /***/ }, /* 91 */ /***/ function(module, exports, __webpack_require__) { module.e = copy /** * Copy the values from one mat2 to another * * @alias mat2.copy * @param {mat2} out the receiving matrix * @param {mat2} a the source matrix * @returns {mat2} out */ function copy(out, a) { out[0] = a[0] out[1] = a[1] out[2] = a[2] out[3] = a[3] return out } /***/ }, /* 92 */ /***/ function(module, exports, __webpack_require__) { module.e = create /** * Creates a new identity mat2 * * @alias mat2.create * @returns {mat2} a new 2x2 matrix */ function create() { var out = new Float32Array(4) out[0] = 1 out[1] = 0 out[2] = 0 out[3] = 1 return out } /***/ }, /* 93 */ /***/ function(module, exports, __webpack_require__) { module.e = invert /** * Inverts a mat2 * * @alias mat2.invert * @param {mat2} out the receiving matrix * @param {mat2} a the source matrix * @returns {mat2} out */ function invert(out, a) { var a0 = a[0] var a1 = a[1] var a2 = a[2] var a3 = a[3] var det = a0 * a3 - a2 * a1 if (!det) return null det = 1.0 / det out[0] = a3 * det out[1] = -a1 * det out[2] = -a2 * det out[3] = a0 * det return out } /***/ }, /* 94 */ /***/ function(module, exports, __webpack_require__) { module.e = scale /** * Scales a vec2 by a scalar number * * @param {vec2} out the receiving vector * @param {vec2} a the vector to scale * @param {Number} b amount to scale the vector by * @returns {vec2} out */ function scale(out, a, b) { out[0] = a[0] * b out[1] = a[1] * b return out } /***/ }, /* 95 */ /***/ function(module, exports, __webpack_require__) { module.e = transformMat2 /** * Transforms the vec2 with a mat2 * * @param {vec2} out the receiving vector * @param {vec2} a the vector to transform * @param {mat2} m matrix to transform with * @returns {vec2} out */ function transformMat2(out, a, m) { var x = a[0], y = a[1] out[0] = m[0] * x + m[2] * y out[1] = m[1] * x + m[3] * y return out } /***/ }, /* 96 */ /***/ function(module, exports, __webpack_require__) { module.e = clone; /** * Creates a new vec3 initialized with values from an existing vector * * @param {vec3} a vector to clone * @returns {vec3} a new 3D vector */ function clone(a) { var out = new Float32Array(3) out[0] = a[0] out[1] = a[1] out[2] = a[2] return out } /***/ }, /* 97 */ /***/ function(module, exports, __webpack_require__) { var nativeCreate = __webpack_require__(20); /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Creates an hash object. * * @private * @constructor * @returns {Object} Returns the new hash object. */ function Hash() {} // Avoid inheriting from `Object.prototype` when possible. Hash.prototype = nativeCreate ? nativeCreate(null) : objectProto; module.e = Hash; /***/ }, /* 98 */ /***/ function(module, exports, __webpack_require__) { var mapClear = __webpack_require__(156), mapDelete = __webpack_require__(157), mapGet = __webpack_require__(158), mapHas = __webpack_require__(159), mapSet = __webpack_require__(160); /** * Creates a map cache object to store key-value pairs. * * @private * @constructor * @param {Array} [values] The values to cache. */ function MapCache(values) { var index = -1, length = values ? values.length : 0; this.clear(); while (++index < length) { var entry = values[index]; this.set(entry[0], entry[1]); } } // Add functions to the `MapCache`. MapCache.prototype.clear = mapClear; MapCache.prototype['delete'] = mapDelete; MapCache.prototype.get = mapGet; MapCache.prototype.has = mapHas; MapCache.prototype.set = mapSet; module.e = MapCache; /***/ }, /* 99 */ /***/ function(module, exports, __webpack_require__) { var root = __webpack_require__(3); /** Built-in value references. */ var Reflect = root.Reflect; module.e = Reflect; /***/ }, /* 100 */ /***/ function(module, exports, __webpack_require__) { var getNative = __webpack_require__(16), root = __webpack_require__(3); /* Built-in method references that are verified to be native. */ var Set = getNative(root, 'Set'); module.e = Set; /***/ }, /* 101 */ /***/ function(module, exports, __webpack_require__) { var getNative = __webpack_require__(16), root = __webpack_require__(3); /* Built-in method references that are verified to be native. */ var WeakMap = getNative(root, 'WeakMap'); module.e = WeakMap; /***/ }, /* 102 */ /***/ function(module, exports, __webpack_require__) { /** * Adds the key-value `pair` to `map`. * * @private * @param {Object} map The map to modify. * @param {Array} pair The key-value pair to add. * @returns {Object} Returns `map`. */ function addMapEntry(map, pair) { // Don't return `Map#set` because it doesn't return the map instance in IE 11. map.set(pair[0], pair[1]); return map; } module.e = addMapEntry; /***/ }, /* 103 */ /***/ function(module, exports, __webpack_require__) { /** * Adds `value` to `set`. * * @private * @param {Object} set The set to modify. * @param {*} value The value to add. * @returns {Object} Returns `set`. */ function addSetEntry(set, value) { set.add(value); return set; } module.e = addSetEntry; /***/ }, /* 104 */ /***/ function(module, exports, __webpack_require__) { /** * A faster alternative to `Function#apply`, this function invokes `func` * with the `this` binding of `thisArg` and the arguments of `args`. * * @private * @param {Function} func The function to invoke. * @param {*} thisArg The `this` binding of `func`. * @param {...*} args The arguments to invoke `func` with. * @returns {*} Returns the result of `func`. */ function apply(func, thisArg, args) { var length = args.length; switch (length) { case 0: return func.call(thisArg); case 1: return func.call(thisArg, args[0]); case 2: return func.call(thisArg, args[0], args[1]); case 3: return func.call(thisArg, args[0], args[1], args[2]); } return func.apply(thisArg, args); } module.e = apply; /***/ }, /* 105 */ /***/ function(module, exports, __webpack_require__) { /** * A specialized version of `_.map` for arrays without support for iteratee * shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the new mapped array. */ function arrayMap(array, iteratee) { var index = -1, length = array.length, result = Array(length); while (++index < length) { result[index] = iteratee(array[index], index, array); } return result; } module.e = arrayMap; /***/ }, /* 106 */ /***/ function(module, exports, __webpack_require__) { /** * Appends the elements of `values` to `array`. * * @private * @param {Array} array The array to modify. * @param {Array} values The values to append. * @returns {Array} Returns `array`. */ function arrayPush(array, values) { var index = -1, length = values.length, offset = array.length; while (++index < length) { array[offset + index] = values[index]; } return array; } module.e = arrayPush; /***/ }, /* 107 */ /***/ function(module, exports, __webpack_require__) { /** * A specialized version of `_.some` for arrays without support for iteratee * shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if any element passes the predicate check, else `false`. */ function arraySome(array, predicate) { var index = -1, length = array.length; while (++index < length) { if (predicate(array[index], index, array)) { return true; } } return false; } module.e = arraySome; /***/ }, /* 108 */ /***/ function(module, exports, __webpack_require__) { var copyObject = __webpack_require__(29), keys = __webpack_require__(24); /** * The base implementation of `_.assign` without support for multiple sources * or `customizer` functions. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @returns {Object} Returns `object`. */ function baseAssign(object, source) { return object && copyObject(source, keys(source), object); } module.e = baseAssign; /***/ }, /* 109 */ /***/ function(module, exports, __webpack_require__) { var Stack = __webpack_require__(14), arrayEach = __webpack_require__(42), assignValue = __webpack_require__(44), baseAssign = __webpack_require__(108), baseForOwn = __webpack_require__(113), cloneBuffer = __webpack_require__(131), copyArray = __webpack_require__(56), copySymbols = __webpack_require__(138), getTag = __webpack_require__(58), initCloneArray = __webpack_require__(150), initCloneByTag = __webpack_require__(151), initCloneObject = __webpack_require__(152), isArray = __webpack_require__(1), isBuffer = __webpack_require__(171), isHostObject = __webpack_require__(17), isObject = __webpack_require__(2); /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', funcTag = '[object Function]', genTag = '[object GeneratorFunction]', mapTag = '[object Map]', numberTag = '[object Number]', objectTag = '[object Object]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', symbolTag = '[object Symbol]', weakMapTag = '[object WeakMap]'; var arrayBufferTag = '[object ArrayBuffer]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]'; /** Used to identify `toStringTag` values supported by `_.clone`. */ var cloneableTags = {}; cloneableTags[argsTag] = cloneableTags[arrayTag] = cloneableTags[arrayBufferTag] = cloneableTags[boolTag] = cloneableTags[dateTag] = cloneableTags[float32Tag] = cloneableTags[float64Tag] = cloneableTags[int8Tag] = cloneableTags[int16Tag] = cloneableTags[int32Tag] = cloneableTags[mapTag] = cloneableTags[numberTag] = cloneableTags[objectTag] = cloneableTags[regexpTag] = cloneableTags[setTag] = cloneableTags[stringTag] = cloneableTags[symbolTag] = cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] = cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true; cloneableTags[errorTag] = cloneableTags[funcTag] = cloneableTags[weakMapTag] = false; /** * The base implementation of `_.clone` and `_.cloneDeep` which tracks * traversed objects. * * @private * @param {*} value The value to clone. * @param {boolean} [isDeep] Specify a deep clone. * @param {boolean} [isFull] Specify a clone including symbols. * @param {Function} [customizer] The function to customize cloning. * @param {string} [key] The key of `value`. * @param {Object} [object] The parent object of `value`. * @param {Object} [stack] Tracks traversed objects and their clone counterparts. * @returns {*} Returns the cloned value. */ function baseClone(value, isDeep, isFull, customizer, key, object, stack) { var result; if (customizer) { result = object ? customizer(value, key, object, stack) : customizer(value); } if (result !== undefined) { return result; } if (!isObject(value)) { return value; } var isArr = isArray(value); if (isArr) { result = initCloneArray(value); if (!isDeep) { return copyArray(value, result); } } else { var tag = getTag(value), isFunc = tag == funcTag || tag == genTag; if (isBuffer(value)) { return cloneBuffer(value, isDeep); } if (tag == objectTag || tag == argsTag || (isFunc && !object)) { if (isHostObject(value)) { return object ? value : {}; } result = initCloneObject(isFunc ? {} : value); if (!isDeep) { result = baseAssign(result, value); return isFull ? copySymbols(value, result) : result; } } else { if (!cloneableTags[tag]) { return object ? value : {}; } result = initCloneByTag(value, tag, isDeep); } } // Check for circular references and return its corresponding clone. stack || (stack = new Stack); var stacked = stack.get(value); if (stacked) { return stacked; } stack.set(value, result); // Recursively populate clone (susceptible to call stack limits). (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) { assignValue(result, key, baseClone(subValue, isDeep, isFull, customizer, key, value, stack)); }); return (isFull && !isArr) ? copySymbols(value, result) : result; } module.e = baseClone; /***/ }, /* 110 */ /***/ function(module, exports, __webpack_require__) { var isObject = __webpack_require__(2); /** Built-in value references. */ var objectCreate = Object.create; /** * The base implementation of `_.create` without support for assigning * properties to the created object. * * @private * @param {Object} prototype The object to inherit from. * @returns {Object} Returns the new object. */ function baseCreate(proto) { return isObject(proto) ? objectCreate(proto) : {}; } module.e = baseCreate; /***/ }, /* 111 */ /***/ function(module, exports, __webpack_require__) { var arrayPush = __webpack_require__(106), isArguments = __webpack_require__(10), isArray = __webpack_require__(1), isArrayLikeObject = __webpack_require__(32); /** * The base implementation of `_.flatten` with support for restricting flattening. * * @private * @param {Array} array The array to flatten. * @param {number} depth The maximum recursion depth. * @param {boolean} [isStrict] Restrict flattening to arrays-like objects. * @param {Array} [result=[]] The initial result value. * @returns {Array} Returns the new flattened array. */ function baseFlatten(array, depth, isStrict, result) { result || (result = []); var index = -1, length = array.length; while (++index < length) { var value = array[index]; if (depth > 0 && isArrayLikeObject(value) && (isStrict || isArray(value) || isArguments(value))) { if (depth > 1) { // Recursively flatten arrays (susceptible to call stack limits). baseFlatten(value, depth - 1, isStrict, result); } else { arrayPush(result, value); } } else if (!isStrict) { result[result.length] = value; } } return result; } module.e = baseFlatten; /***/ }, /* 112 */ /***/ function(module, exports, __webpack_require__) { var baseFor = __webpack_require__(50), keysIn = __webpack_require__(35); /** * The base implementation of `_.forIn` without support for iteratee shorthands. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Object} Returns `object`. */ function baseForIn(object, iteratee) { return object == null ? object : baseFor(object, iteratee, keysIn); } module.e = baseForIn; /***/ }, /* 113 */ /***/ function(module, exports, __webpack_require__) { var baseFor = __webpack_require__(50), keys = __webpack_require__(24); /** * The base implementation of `_.forOwn` without support for iteratee shorthands. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Object} Returns `object`. */ function baseForOwn(object, iteratee) { return object && baseFor(object, iteratee, keys); } module.e = baseForOwn; /***/ }, /* 114 */ /***/ function(module, exports, __webpack_require__) { /** * The base implementation of `_.hasIn` without support for deep paths. * * @private * @param {Object} object The object to query. * @param {Array|string} key The key to check. * @returns {boolean} Returns `true` if `key` exists, else `false`. */ function baseHasIn(object, key) { return key in Object(object); } module.e = baseHasIn; /***/ }, /* 115 */ /***/ function(module, exports, __webpack_require__) { var Stack = __webpack_require__(14), equalArrays = __webpack_require__(57), equalByTag = __webpack_require__(141), equalObjects = __webpack_require__(142), getTag = __webpack_require__(58), isArray = __webpack_require__(1), isHostObject = __webpack_require__(17), isTypedArray = __webpack_require__(34); /** Used to compose bitmasks for comparison styles. */ var PARTIAL_COMPARE_FLAG = 2; /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', objectTag = '[object Object]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * A specialized version of `baseIsEqual` for arrays and objects which performs * deep comparisons and tracks traversed objects enabling objects with circular * references to be compared. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Function} [customizer] The function to customize comparisons. * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual` for more details. * @param {Object} [stack] Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) { var objIsArr = isArray(object), othIsArr = isArray(other), objTag = arrayTag, othTag = arrayTag; if (!objIsArr) { objTag = getTag(object); objTag = objTag == argsTag ? objectTag : objTag; } if (!othIsArr) { othTag = getTag(other); othTag = othTag == argsTag ? objectTag : othTag; } var objIsObj = objTag == objectTag && !isHostObject(object), othIsObj = othTag == objectTag && !isHostObject(other), isSameTag = objTag == othTag; if (isSameTag && !objIsObj) { stack || (stack = new Stack); return (objIsArr || isTypedArray(object)) ? equalArrays(object, other, equalFunc, customizer, bitmask, stack) : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack); } if (!(bitmask & PARTIAL_COMPARE_FLAG)) { var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'), othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__'); if (objIsWrapped || othIsWrapped) { stack || (stack = new Stack); return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, customizer, bitmask, stack); } } if (!isSameTag) { return false; } stack || (stack = new Stack); return equalObjects(object, other, equalFunc, customizer, bitmask, stack); } module.e = baseIsEqualDeep; /***/ }, /* 116 */ /***/ function(module, exports, __webpack_require__) { var Stack = __webpack_require__(14), baseIsEqual = __webpack_require__(53); /** Used to compose bitmasks for comparison styles. */ var UNORDERED_COMPARE_FLAG = 1, PARTIAL_COMPARE_FLAG = 2; /** * The base implementation of `_.isMatch` without support for iteratee shorthands. * * @private * @param {Object} object The object to inspect. * @param {Object} source The object of property values to match. * @param {Array} matchData The property names, values, and compare flags to match. * @param {Function} [customizer] The function to customize comparisons. * @returns {boolean} Returns `true` if `object` is a match, else `false`. */ function baseIsMatch(object, source, matchData, customizer) { var index = matchData.length, length = index, noCustomizer = !customizer; if (object == null) { return !length; } object = Object(object); while (index--) { var data = matchData[index]; if ((noCustomizer && data[2]) ? data[1] !== object[data[0]] : !(data[0] in object) ) { return false; } } while (++index < length) { data = matchData[index]; var key = data[0], objValue = object[key], srcValue = data[1]; if (noCustomizer && data[2]) { if (objValue === undefined && !(key in object)) { return false; } } else { var stack = new Stack, result = customizer ? customizer(objValue, srcValue, key, object, source, stack) : undefined; if (!(result === undefined ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack) : result )) { return false; } } } return true; } module.e = baseIsMatch; /***/ }, /* 117 */ /***/ function(module, exports, __webpack_require__) { var baseMatches = __webpack_require__(120), baseMatchesProperty = __webpack_require__(121), identity = __webpack_require__(170), isArray = __webpack_require__(1), property = __webpack_require__(178); /** * The base implementation of `_.iteratee`. * * @private * @param {*} [value=_.identity] The value to convert to an iteratee. * @returns {Function} Returns the iteratee. */ function baseIteratee(value) { var type = typeof value; if (type == 'function') { return value; } if (value == null) { return identity; } if (type == 'object') { return isArray(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value); } return property(value); } module.e = baseIteratee; /***/ }, /* 118 */ /***/ function(module, exports, __webpack_require__) { /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeKeys = Object.keys; /** * The base implementation of `_.keys` which doesn't skip the constructor * property of prototypes or treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeys(object) { return nativeKeys(Object(object)); } module.e = baseKeys; /***/ }, /* 119 */ /***/ function(module, exports, __webpack_require__) { var Reflect = __webpack_require__(99), iteratorToArray = __webpack_require__(155); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Built-in value references. */ var enumerate = Reflect ? Reflect.enumerate : undefined, propertyIsEnumerable = objectProto.propertyIsEnumerable; /** * The base implementation of `_.keysIn` which doesn't skip the constructor * property of prototypes or treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeysIn(object) { object = object == null ? object : Object(object); var result = []; for (var key in object) { result.push(key); } return result; } // Fallback for IE < 9 with es6-shim. if (enumerate && !propertyIsEnumerable.call({ 'valueOf': 1 }, 'valueOf')) { baseKeysIn = function(object) { return iteratorToArray(enumerate(object)); }; } module.e = baseKeysIn; /***/ }, /* 120 */ /***/ function(module, exports, __webpack_require__) { var baseIsMatch = __webpack_require__(116), getMatchData = __webpack_require__(144); /** * The base implementation of `_.matches` which doesn't clone `source`. * * @private * @param {Object} source The object of property values to match. * @returns {Function} Returns the new function. */ function baseMatches(source) { var matchData = getMatchData(source); if (matchData.length == 1 && matchData[0][2]) { var key = matchData[0][0], value = matchData[0][1]; return function(object) { if (object == null) { return false; } return object[key] === value && (value !== undefined || (key in Object(object))); }; } return function(object) { return object === source || baseIsMatch(object, source, matchData); }; } module.e = baseMatches; /***/ }, /* 121 */ /***/ function(module, exports, __webpack_require__) { var baseIsEqual = __webpack_require__(53), get = __webpack_require__(63), hasIn = __webpack_require__(169); /** Used to compose bitmasks for comparison styles. */ var UNORDERED_COMPARE_FLAG = 1, PARTIAL_COMPARE_FLAG = 2; /** * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. * * @private * @param {string} path The path of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new function. */ function baseMatchesProperty(path, srcValue) { return function(object) { var objValue = get(object, path); return (objValue === undefined && objValue === srcValue) ? hasIn(object, path) : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG); }; } module.e = baseMatchesProperty; /***/ }, /* 122 */ /***/ function(module, exports, __webpack_require__) { var Stack = __webpack_require__(14), arrayEach = __webpack_require__(42), assignMergeValue = __webpack_require__(43), baseMergeDeep = __webpack_require__(123), isArray = __webpack_require__(1), isObject = __webpack_require__(2), isTypedArray = __webpack_require__(34), keysIn = __webpack_require__(35); /** * The base implementation of `_.merge` without support for multiple sources. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {number} srcIndex The index of `source`. * @param {Function} [customizer] The function to customize merged values. * @param {Object} [stack] Tracks traversed source values and their merged counterparts. */ function baseMerge(object, source, srcIndex, customizer, stack) { if (object === source) { return; } var props = (isArray(source) || isTypedArray(source)) ? undefined : keysIn(source); arrayEach(props || source, function(srcValue, key) { if (props) { key = srcValue; srcValue = source[key]; } if (isObject(srcValue)) { stack || (stack = new Stack); baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack); } else { var newValue = customizer ? customizer(object[key], srcValue, (key + ''), object, source, stack) : undefined; if (newValue === undefined) { newValue = srcValue; } assignMergeValue(object, key, newValue); } }); } module.e = baseMerge; /***/ }, /* 123 */ /***/ function(module, exports, __webpack_require__) { var assignMergeValue = __webpack_require__(43), baseClone = __webpack_require__(109), copyArray = __webpack_require__(56), isArguments = __webpack_require__(10), isArray = __webpack_require__(1), isArrayLikeObject = __webpack_require__(32), isFunction = __webpack_require__(11), isObject = __webpack_require__(2), isPlainObject = __webpack_require__(174), isTypedArray = __webpack_require__(34), toPlainObject = __webpack_require__(182); /** * A specialized version of `baseMerge` for arrays and objects which performs * deep merges and tracks traversed objects enabling objects with circular * references to be merged. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {string} key The key of the value to merge. * @param {number} srcIndex The index of `source`. * @param {Function} mergeFunc The function to merge values. * @param {Function} [customizer] The function to customize assigned values. * @param {Object} [stack] Tracks traversed source values and their merged counterparts. */ function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) { var objValue = object[key], srcValue = source[key], stacked = stack.get(srcValue); if (stacked) { assignMergeValue(object, key, stacked); return; } var newValue = customizer ? customizer(objValue, srcValue, (key + ''), object, source, stack) : undefined; var isCommon = newValue === undefined; if (isCommon) { newValue = srcValue; if (isArray(srcValue) || isTypedArray(srcValue)) { if (isArray(objValue)) { newValue = objValue; } else if (isArrayLikeObject(objValue)) { newValue = copyArray(objValue); } else { isCommon = false; newValue = baseClone(srcValue, !customizer); } } else if (isPlainObject(srcValue) || isArguments(srcValue)) { if (isArguments(objValue)) { newValue = toPlainObject(objValue); } else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) { isCommon = false; newValue = baseClone(srcValue, !customizer); } else { newValue = objValue; } } else { isCommon = false; } } stack.set(srcValue, newValue); if (isCommon) { // Recursively merge objects and arrays (susceptible to call stack limits). mergeFunc(newValue, srcValue, srcIndex, customizer, stack); } stack['delete'](srcValue); assignMergeValue(object, key, newValue); } module.e = baseMergeDeep; /***/ }, /* 124 */ /***/ function(module, exports, __webpack_require__) { var arrayReduce = __webpack_require__(28); /** * The base implementation of `_.pick` without support for individual * property names. * * @private * @param {Object} object The source object. * @param {string[]} props The property names to pick. * @returns {Object} Returns the new object. */ function basePick(object, props) { object = Object(object); return arrayReduce(props, function(result, key) { if (key in object) { result[key] = object[key]; } return result; }, {}); } module.e = basePick; /***/ }, /* 125 */ /***/ function(module, exports, __webpack_require__) { var baseForIn = __webpack_require__(112); /** * The base implementation of `_.pickBy` without support for iteratee shorthands. * * @private * @param {Object} object The source object. * @param {Function} predicate The function invoked per property. * @returns {Object} Returns the new object. */ function basePickBy(object, predicate) { var result = {}; baseForIn(object, function(value, key) { if (predicate(value, key)) { result[key] = value; } }); return result; } module.e = basePickBy; /***/ }, /* 126 */ /***/ function(module, exports, __webpack_require__) { var baseGet = __webpack_require__(51); /** * A specialized version of `baseProperty` which supports deep paths. * * @private * @param {Array|string} path The path of the property to get. * @returns {Function} Returns the new function. */ function basePropertyDeep(path) { return function(object) { return baseGet(object, path); }; } module.e = basePropertyDeep; /***/ }, /* 127 */ /***/ function(module, exports, __webpack_require__) { /** * The base implementation of `_.slice` without an iteratee call guard. * * @private * @param {Array} array The array to slice. * @param {number} [start=0] The start position. * @param {number} [end=array.length] The end position. * @returns {Array} Returns the slice of `array`. */ function baseSlice(array, start, end) { var index = -1, length = array.length; if (start < 0) { start = -start > length ? 0 : (length + start); } end = end > length ? length : end; if (end < 0) { end += length; } length = start > end ? 0 : ((end - start) >>> 0); start >>>= 0; var result = Array(length); while (++index < length) { result[index] = array[index + start]; } return result; } module.e = baseSlice; /***/ }, /* 128 */ /***/ function(module, exports, __webpack_require__) { /** * The base implementation of `_.times` without support for iteratee shorthands * or max array length checks. * * @private * @param {number} n The number of times to invoke `iteratee`. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the array of results. */ function baseTimes(n, iteratee) { var index = -1, result = Array(n); while (++index < n) { result[index] = iteratee(index); } return result; } module.e = baseTimes; /***/ }, /* 129 */ /***/ function(module, exports, __webpack_require__) { var arrayMap = __webpack_require__(105); /** * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array * of key-value pairs for `object` corresponding to the property names of `props`. * * @private * @param {Object} object The object to query. * @param {Array} props The property names to get values for. * @returns {Object} Returns the new array of key-value pairs. */ function baseToPairs(object, props) { return arrayMap(props, function(key) { return [key, object[key]]; }); } module.e = baseToPairs; /***/ }, /* 130 */ /***/ function(module, exports, __webpack_require__) { /** * Checks if `value` is a global object. * * @private * @param {*} value The value to check. * @returns {null|Object} Returns `value` if it's a global object, else `null`. */ function checkGlobal(value) { return (value && value.Object === Object) ? value : null; } module.e = checkGlobal; /***/ }, /* 131 */ /***/ function(module, exports, __webpack_require__) { /** * Creates a clone of `buffer`. * * @private * @param {Buffer} buffer The buffer to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Buffer} Returns the cloned buffer. */ function cloneBuffer(buffer, isDeep) { if (isDeep) { return buffer.slice(); } var result = new buffer.constructor(buffer.length); buffer.copy(result); return result; } module.e = cloneBuffer; /***/ }, /* 132 */ /***/ function(module, exports, __webpack_require__) { var addMapEntry = __webpack_require__(102), arrayReduce = __webpack_require__(28), mapToArray = __webpack_require__(61); /** * Creates a clone of `map`. * * @private * @param {Object} map The map to clone. * @returns {Object} Returns the cloned map. */ function cloneMap(map) { return arrayReduce(mapToArray(map), addMapEntry, new map.constructor); } module.e = cloneMap; /***/ }, /* 133 */ /***/ function(module, exports, __webpack_require__) { /** Used to match `RegExp` flags from their coerced string values. */ var reFlags = /\w*$/; /** * Creates a clone of `regexp`. * * @private * @param {Object} regexp The regexp to clone. * @returns {Object} Returns the cloned regexp. */ function cloneRegExp(regexp) { var result = new regexp.constructor(regexp.source, reFlags.exec(regexp)); result.lastIndex = regexp.lastIndex; return result; } module.e = cloneRegExp; /***/ }, /* 134 */ /***/ function(module, exports, __webpack_require__) { var addSetEntry = __webpack_require__(103), arrayReduce = __webpack_require__(28), setToArray = __webpack_require__(62); /** * Creates a clone of `set`. * * @private * @param {Object} set The set to clone. * @returns {Object} Returns the cloned set. */ function cloneSet(set) { return arrayReduce(setToArray(set), addSetEntry, new set.constructor); } module.e = cloneSet; /***/ }, /* 135 */ /***/ function(module, exports, __webpack_require__) { var Symbol = __webpack_require__(27); /** Used to convert symbols to primitives and strings. */ var symbolProto = Symbol ? Symbol.prototype : undefined, symbolValueOf = symbolProto ? symbolProto.valueOf : undefined; /** * Creates a clone of the `symbol` object. * * @private * @param {Object} symbol The symbol object to clone. * @returns {Object} Returns the cloned symbol object. */ function cloneSymbol(symbol) { return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {}; } module.e = cloneSymbol; /***/ }, /* 136 */ /***/ function(module, exports, __webpack_require__) { var cloneArrayBuffer = __webpack_require__(55); /** * Creates a clone of `typedArray`. * * @private * @param {Object} typedArray The typed array to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Object} Returns the cloned typed array. */ function cloneTypedArray(typedArray, isDeep) { var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer; return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length); } module.e = cloneTypedArray; /***/ }, /* 137 */ /***/ function(module, exports, __webpack_require__) { var assignValue = __webpack_require__(44); /** * This function is like `copyObject` except that it accepts a function to * customize copied values. * * @private * @param {Object} source The object to copy properties from. * @param {Array} props The property names to copy. * @param {Object} [object={}] The object to copy properties to. * @param {Function} [customizer] The function to customize copied values. * @returns {Object} Returns `object`. */ function copyObjectWith(source, props, object, customizer) { object || (object = {}); var index = -1, length = props.length; while (++index < length) { var key = props[index]; var newValue = customizer ? customizer(object[key], source[key], key, object, source) : source[key]; assignValue(object, key, newValue); } return object; } module.e = copyObjectWith; /***/ }, /* 138 */ /***/ function(module, exports, __webpack_require__) { var copyObject = __webpack_require__(29), getSymbols = __webpack_require__(145); /** * Copies own symbol properties of `source` to `object`. * * @private * @param {Object} source The object to copy symbols from. * @param {Object} [object={}] The object to copy symbols to. * @returns {Object} Returns `object`. */ function copySymbols(source, object) { return copyObject(source, getSymbols(source), object); } module.e = copySymbols; /***/ }, /* 139 */ /***/ function(module, exports, __webpack_require__) { var isIterateeCall = __webpack_require__(153), rest = __webpack_require__(65); /** * Creates a function like `_.assign`. * * @private * @param {Function} assigner The function to assign values. * @returns {Function} Returns the new assigner function. */ function createAssigner(assigner) { return rest(function(object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = typeof customizer == 'function' ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }); } module.e = createAssigner; /***/ }, /* 140 */ /***/ function(module, exports, __webpack_require__) { /** * Creates a base function for methods like `_.forIn`. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new base function. */ function createBaseFor(fromRight) { return function(object, iteratee, keysFunc) { var index = -1, iterable = Object(object), props = keysFunc(object), length = props.length; while (length--) { var key = props[fromRight ? length : ++index]; if (iteratee(iterable[key], key, iterable) === false) { break; } } return object; }; } module.e = createBaseFor; /***/ }, /* 141 */ /***/ function(module, exports, __webpack_require__) { var Symbol = __webpack_require__(27), Uint8Array = __webpack_require__(41), equalArrays = __webpack_require__(57), mapToArray = __webpack_require__(61), setToArray = __webpack_require__(62); /** Used to compose bitmasks for comparison styles. */ var UNORDERED_COMPARE_FLAG = 1, PARTIAL_COMPARE_FLAG = 2; /** `Object#toString` result references. */ var boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', mapTag = '[object Map]', numberTag = '[object Number]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', symbolTag = '[object Symbol]'; var arrayBufferTag = '[object ArrayBuffer]'; /** Used to convert symbols to primitives and strings. */ var symbolProto = Symbol ? Symbol.prototype : undefined, symbolValueOf = symbolProto ? symbolProto.valueOf : undefined; /** * A specialized version of `baseIsEqualDeep` for comparing objects of * the same `toStringTag`. * * **Note:** This function only supports comparing values with tags of * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {string} tag The `toStringTag` of the objects to compare. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Function} customizer The function to customize comparisons. * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual` for more details. * @param {Object} stack Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) { switch (tag) { case arrayBufferTag: if ((object.byteLength != other.byteLength) || !equalFunc(new Uint8Array(object), new Uint8Array(other))) { return false; } return true; case boolTag: case dateTag: // Coerce dates and booleans to numbers, dates to milliseconds and booleans // to `1` or `0` treating invalid dates coerced to `NaN` as not equal. return +object == +other; case errorTag: return object.name == other.name && object.message == other.message; case numberTag: // Treat `NaN` vs. `NaN` as equal. return (object != +object) ? other != +other : object == +other; case regexpTag: case stringTag: // Coerce regexes to strings and treat strings primitives and string // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details. return object == (other + ''); case mapTag: var convert = mapToArray; case setTag: var isPartial = bitmask & PARTIAL_COMPARE_FLAG; convert || (convert = setToArray); if (object.size != other.size && !isPartial) { return false; } // Assume cyclic values are equal. var stacked = stack.get(object); if (stacked) { return stacked == other; } // Recursively compare objects (susceptible to call stack limits). return equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask | UNORDERED_COMPARE_FLAG, stack.set(object, other)); case symbolTag: if (symbolValueOf) { return symbolValueOf.call(object) == symbolValueOf.call(other); } } return false; } module.e = equalByTag; /***/ }, /* 142 */ /***/ function(module, exports, __webpack_require__) { var baseHas = __webpack_require__(52), keys = __webpack_require__(24); /** Used to compose bitmasks for comparison styles. */ var PARTIAL_COMPARE_FLAG = 2; /** * A specialized version of `baseIsEqualDeep` for objects with support for * partial deep comparisons. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Function} customizer The function to customize comparisons. * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual` for more details. * @param {Object} stack Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function equalObjects(object, other, equalFunc, customizer, bitmask, stack) { var isPartial = bitmask & PARTIAL_COMPARE_FLAG, objProps = keys(object), objLength = objProps.length, othProps = keys(other), othLength = othProps.length; if (objLength != othLength && !isPartial) { return false; } var index = objLength; while (index--) { var key = objProps[index]; if (!(isPartial ? key in other : baseHas(other, key))) { return false; } } // Assume cyclic values are equal. var stacked = stack.get(object); if (stacked) { return stacked == other; } var result = true; stack.set(object, other); var skipCtor = isPartial; while (++index < objLength) { key = objProps[index]; var objValue = object[key], othValue = other[key]; if (customizer) { var compared = isPartial ? customizer(othValue, objValue, key, other, object, stack) : customizer(objValue, othValue, key, object, other, stack); } // Recursively compare objects (susceptible to call stack limits). if (!(compared === undefined ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack)) : compared )) { result = false; break; } skipCtor || (skipCtor = key == 'constructor'); } if (result && !skipCtor) { var objCtor = object.constructor, othCtor = other.constructor; // Non `Object` object instances with different constructors are not equal. if (objCtor != othCtor && ('constructor' in object && 'constructor' in other) && !(typeof objCtor == 'function' && objCtor instanceof objCtor && typeof othCtor == 'function' && othCtor instanceof othCtor)) { result = false; } } stack['delete'](object); return result; } module.e = equalObjects; /***/ }, /* 143 */ /***/ function(module, exports, __webpack_require__) { var baseProperty = __webpack_require__(54); /** * Gets the "length" property value of `object`. * * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) * that affects Safari on at least iOS 8.1-8.3 ARM64. * * @private * @param {Object} object The object to query. * @returns {*} Returns the "length" value. */ var getLength = baseProperty('length'); module.e = getLength; /***/ }, /* 144 */ /***/ function(module, exports, __webpack_require__) { var isStrictComparable = __webpack_require__(154), toPairs = __webpack_require__(181); /** * Gets the property names, values, and compare flags of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the match data of `object`. */ function getMatchData(object) { var result = toPairs(object), length = result.length; while (length--) { result[length][2] = isStrictComparable(result[length][1]); } return result; } module.e = getMatchData; /***/ }, /* 145 */ /***/ function(module, exports, __webpack_require__) { /** Built-in value references. */ var getOwnPropertySymbols = Object.getOwnPropertySymbols; /** * Creates an array of the own symbol properties of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of symbols. */ var getSymbols = getOwnPropertySymbols || function() { return []; }; module.e = getSymbols; /***/ }, /* 146 */ /***/ function(module, exports, __webpack_require__) { var baseCastPath = __webpack_require__(49), isArguments = __webpack_require__(10), isArray = __webpack_require__(1), isIndex = __webpack_require__(18), isKey = __webpack_require__(30), isLength = __webpack_require__(23), isString = __webpack_require__(33), last = __webpack_require__(176), parent = __webpack_require__(161); /** * Checks if `path` exists on `object`. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @param {Function} hasFunc The function to check properties. * @returns {boolean} Returns `true` if `path` exists, else `false`. */ function hasPath(object, path, hasFunc) { if (object == null) { return false; } var result = hasFunc(object, path); if (!result && !isKey(path)) { path = baseCastPath(path); object = parent(object, path); if (object != null) { path = last(path); result = hasFunc(object, path); } } var length = object ? object.length : undefined; return result || ( !!length && isLength(length) && isIndex(path, length) && (isArray(object) || isString(object) || isArguments(object)) ); } module.e = hasPath; /***/ }, /* 147 */ /***/ function(module, exports, __webpack_require__) { var hashHas = __webpack_require__(59); /** * Removes `key` and its value from the hash. * * @private * @param {Object} hash The hash to modify. * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function hashDelete(hash, key) { return hashHas(hash, key) && delete hash[key]; } module.e = hashDelete; /***/ }, /* 148 */ /***/ function(module, exports, __webpack_require__) { var nativeCreate = __webpack_require__(20); /** Used to stand-in for `undefined` hash values. */ var HASH_UNDEFINED = '__lodash_hash_undefined__'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Gets the hash value for `key`. * * @private * @param {Object} hash The hash to query. * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function hashGet(hash, key) { if (nativeCreate) { var result = hash[key]; return result === HASH_UNDEFINED ? undefined : result; } return hasOwnProperty.call(hash, key) ? hash[key] : undefined; } module.e = hashGet; /***/ }, /* 149 */ /***/ function(module, exports, __webpack_require__) { var nativeCreate = __webpack_require__(20); /** Used to stand-in for `undefined` hash values. */ var HASH_UNDEFINED = '__lodash_hash_undefined__'; /** * Sets the hash `key` to `value`. * * @private * @param {Object} hash The hash to modify. * @param {string} key The key of the value to set. * @param {*} value The value to set. */ function hashSet(hash, key, value) { hash[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value; } module.e = hashSet; /***/ }, /* 150 */ /***/ function(module, exports, __webpack_require__) { /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Initializes an array clone. * * @private * @param {Array} array The array to clone. * @returns {Array} Returns the initialized clone. */ function initCloneArray(array) { var length = array.length, result = array.constructor(length); // Add properties assigned by `RegExp#exec`. if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) { result.index = array.index; result.input = array.input; } return result; } module.e = initCloneArray; /***/ }, /* 151 */ /***/ function(module, exports, __webpack_require__) { var cloneArrayBuffer = __webpack_require__(55), cloneMap = __webpack_require__(132), cloneRegExp = __webpack_require__(133), cloneSet = __webpack_require__(134), cloneSymbol = __webpack_require__(135), cloneTypedArray = __webpack_require__(136); /** `Object#toString` result references. */ var boolTag = '[object Boolean]', dateTag = '[object Date]', mapTag = '[object Map]', numberTag = '[object Number]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', symbolTag = '[object Symbol]'; var arrayBufferTag = '[object ArrayBuffer]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]'; /** * Initializes an object clone based on its `toStringTag`. * * **Note:** This function only supports cloning values with tags of * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. * * @private * @param {Object} object The object to clone. * @param {string} tag The `toStringTag` of the object to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Object} Returns the initialized clone. */ function initCloneByTag(object, tag, isDeep) { var Ctor = object.constructor; switch (tag) { case arrayBufferTag: return cloneArrayBuffer(object); case boolTag: case dateTag: return new Ctor(+object); case float32Tag: case float64Tag: case int8Tag: case int16Tag: case int32Tag: case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag: return cloneTypedArray(object, isDeep); case mapTag: return cloneMap(object); case numberTag: case stringTag: return new Ctor(object); case regexpTag: return cloneRegExp(object); case setTag: return cloneSet(object); case symbolTag: return cloneSymbol(object); } } module.e = initCloneByTag; /***/ }, /* 152 */ /***/ function(module, exports, __webpack_require__) { var baseCreate = __webpack_require__(110), isPrototype = __webpack_require__(31); /** Built-in value references. */ var getPrototypeOf = Object.getPrototypeOf; /** * Initializes an object clone. * * @private * @param {Object} object The object to clone. * @returns {Object} Returns the initialized clone. */ function initCloneObject(object) { return (typeof object.constructor == 'function' && !isPrototype(object)) ? baseCreate(getPrototypeOf(object)) : {}; } module.e = initCloneObject; /***/ }, /* 153 */ /***/ function(module, exports, __webpack_require__) { var eq = __webpack_require__(21), isArrayLike = __webpack_require__(22), isIndex = __webpack_require__(18), isObject = __webpack_require__(2); /** * Checks if the given arguments are from an iteratee call. * * @private * @param {*} value The potential iteratee value argument. * @param {*} index The potential iteratee index or key argument. * @param {*} object The potential iteratee object argument. * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`. */ function isIterateeCall(value, index, object) { if (!isObject(object)) { return false; } var type = typeof index; if (type == 'number' ? (isArrayLike(object) && isIndex(index, object.length)) : (type == 'string' && index in object)) { return eq(object[index], value); } return false; } module.e = isIterateeCall; /***/ }, /* 154 */ /***/ function(module, exports, __webpack_require__) { var isObject = __webpack_require__(2); /** * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` if suitable for strict * equality comparisons, else `false`. */ function isStrictComparable(value) { return value === value && !isObject(value); } module.e = isStrictComparable; /***/ }, /* 155 */ /***/ function(module, exports, __webpack_require__) { /** * Converts `iterator` to an array. * * @private * @param {Object} iterator The iterator to convert. * @returns {Array} Returns the converted array. */ function iteratorToArray(iterator) { var data, result = []; while (!(data = iterator.next()).done) { result.push(data.value); } return result; } module.e = iteratorToArray; /***/ }, /* 156 */ /***/ function(module, exports, __webpack_require__) { var Hash = __webpack_require__(97), Map = __webpack_require__(6); /** * Removes all key-value entries from the map. * * @private * @name clear * @memberOf MapCache */ function mapClear() { this.__data__ = { 'hash': new Hash, 'map': Map ? new Map : [], 'string': new Hash }; } module.e = mapClear; /***/ }, /* 157 */ /***/ function(module, exports, __webpack_require__) { var Map = __webpack_require__(6), assocDelete = __webpack_require__(45), hashDelete = __webpack_require__(147), isKeyable = __webpack_require__(19); /** * Removes `key` and its value from the map. * * @private * @name delete * @memberOf MapCache * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function mapDelete(key) { var data = this.__data__; if (isKeyable(key)) { return hashDelete(typeof key == 'string' ? data.string : data.hash, key); } return Map ? data.map['delete'](key) : assocDelete(data.map, key); } module.e = mapDelete; /***/ }, /* 158 */ /***/ function(module, exports, __webpack_require__) { var Map = __webpack_require__(6), assocGet = __webpack_require__(46), hashGet = __webpack_require__(148), isKeyable = __webpack_require__(19); /** * Gets the map value for `key`. * * @private * @name get * @memberOf MapCache * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function mapGet(key) { var data = this.__data__; if (isKeyable(key)) { return hashGet(typeof key == 'string' ? data.string : data.hash, key); } return Map ? data.map.get(key) : assocGet(data.map, key); } module.e = mapGet; /***/ }, /* 159 */ /***/ function(module, exports, __webpack_require__) { var Map = __webpack_require__(6), assocHas = __webpack_require__(47), hashHas = __webpack_require__(59), isKeyable = __webpack_require__(19); /** * Checks if a map value for `key` exists. * * @private * @name has * @memberOf MapCache * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function mapHas(key) { var data = this.__data__; if (isKeyable(key)) { return hashHas(typeof key == 'string' ? data.string : data.hash, key); } return Map ? data.map.has(key) : assocHas(data.map, key); } module.e = mapHas; /***/ }, /* 160 */ /***/ function(module, exports, __webpack_require__) { var Map = __webpack_require__(6), assocSet = __webpack_require__(48), hashSet = __webpack_require__(149), isKeyable = __webpack_require__(19); /** * Sets the map `key` to `value`. * * @private * @name set * @memberOf MapCache * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the map cache object. */ function mapSet(key, value) { var data = this.__data__; if (isKeyable(key)) { hashSet(typeof key == 'string' ? data.string : data.hash, key, value); } else if (Map) { data.map.set(key, value); } else { assocSet(data.map, key, value); } return this; } module.e = mapSet; /***/ }, /* 161 */ /***/ function(module, exports, __webpack_require__) { var baseSlice = __webpack_require__(127), get = __webpack_require__(63); /** * Gets the parent value at `path` of `object`. * * @private * @param {Object} object The object to query. * @param {Array} path The path to get the parent value of. * @returns {*} Returns the parent value. */ function parent(object, path) { return path.length == 1 ? object : get(object, baseSlice(path, 0, -1)); } module.e = parent; /***/ }, /* 162 */ /***/ function(module, exports, __webpack_require__) { /** * Removes all key-value entries from the stack. * * @private * @name clear * @memberOf Stack */ function stackClear() { this.__data__ = { 'array': [], 'map': null }; } module.e = stackClear; /***/ }, /* 163 */ /***/ function(module, exports, __webpack_require__) { var assocDelete = __webpack_require__(45); /** * Removes `key` and its value from the stack. * * @private * @name delete * @memberOf Stack * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function stackDelete(key) { var data = this.__data__, array = data.array; return array ? assocDelete(array, key) : data.map['delete'](key); } module.e = stackDelete; /***/ }, /* 164 */ /***/ function(module, exports, __webpack_require__) { var assocGet = __webpack_require__(46); /** * Gets the stack value for `key`. * * @private * @name get * @memberOf Stack * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function stackGet(key) { var data = this.__data__, array = data.array; return array ? assocGet(array, key) : data.map.get(key); } module.e = stackGet; /***/ }, /* 165 */ /***/ function(module, exports, __webpack_require__) { var assocHas = __webpack_require__(47); /** * Checks if a stack value for `key` exists. * * @private * @name has * @memberOf Stack * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function stackHas(key) { var data = this.__data__, array = data.array; return array ? assocHas(array, key) : data.map.has(key); } module.e = stackHas; /***/ }, /* 166 */ /***/ function(module, exports, __webpack_require__) { var MapCache = __webpack_require__(98), assocSet = __webpack_require__(48); /** Used as the size to enable large array optimizations. */ var LARGE_ARRAY_SIZE = 200; /** * Sets the stack `key` to `value`. * * @private * @name set * @memberOf Stack * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the stack cache object. */ function stackSet(key, value) { var data = this.__data__, array = data.array; if (array) { if (array.length < (LARGE_ARRAY_SIZE - 1)) { assocSet(array, key, value); } else { data.array = null; data.map = new MapCache(array); } } var map = data.map; if (map) { map.set(key, value); } return this; } module.e = stackSet; /***/ }, /* 167 */ /***/ function(module, exports, __webpack_require__) { var toString = __webpack_require__(183); /** Used to match property names within property paths. */ var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g; /** Used to match backslashes in property paths. */ var reEscapeChar = /\\(\\)?/g; /** * Converts `string` to a property path array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the property path array. */ function stringToPath(string) { var result = []; toString(string).replace(rePropName, function(match, number, quote, string) { result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match)); }); return result; } module.e = stringToPath; /***/ }, /* 168 */ /***/ function(module, exports, __webpack_require__) { /** * Creates a function that returns `value`. * * @static * @memberOf _ * @category Util * @param {*} value The value to return from the new function. * @returns {Function} Returns the new function. * @example * * var object = { 'user': 'fred' }; * var getter = _.constant(object); * * getter() === object; * // => true */ function constant(value) { return function() { return value; }; } module.e = constant; /***/ }, /* 169 */ /***/ function(module, exports, __webpack_require__) { var baseHasIn = __webpack_require__(114), hasPath = __webpack_require__(146); /** * Checks if `path` is a direct or inherited property of `object`. * * @static * @memberOf _ * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` exists, else `false`. * @example * * var object = _.create({ 'a': _.create({ 'b': _.create({ 'c': 3 }) }) }); * * _.hasIn(object, 'a'); * // => true * * _.hasIn(object, 'a.b.c'); * // => true * * _.hasIn(object, ['a', 'b', 'c']); * // => true * * _.hasIn(object, 'b'); * // => false */ function hasIn(object, path) { return hasPath(object, path, baseHasIn); } module.e = hasIn; /***/ }, /* 170 */ /***/ function(module, exports, __webpack_require__) { /** * This method returns the first argument given to it. * * @static * @memberOf _ * @category Util * @param {*} value Any value. * @returns {*} Returns `value`. * @example * * var object = { 'user': 'fred' }; * * _.identity(object) === object; * // => true */ function identity(value) { return value; } module.e = identity; /***/ }, /* 171 */ /***/ function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(module) {var constant = __webpack_require__(168), root = __webpack_require__(3); /** Used to determine if values are of the language type `Object`. */ var objectTypes = { 'function': true, 'object': true }; /** Detect free variable `exports`. */ var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) ? exports : undefined; /** Detect free variable `module`. */ var freeModule = (objectTypes[typeof module] && module && !module.nodeType) ? module : undefined; /** Detect the popular CommonJS extension `module.exports`. */ var moduleExports = (freeModule && freeModule.exports === freeExports) ? freeExports : undefined; /** Built-in value references. */ var Buffer = moduleExports ? root.Buffer : undefined; /** * Checks if `value` is a buffer. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. * @example * * _.isBuffer(new Buffer(2)); * // => true * * _.isBuffer(new Uint8Array(2)); * // => false */ var isBuffer = !Buffer ? constant(false) : function(value) { return value instanceof Buffer; }; module.e = isBuffer; /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(66)(module))) /***/ }, /* 172 */ /***/ function(module, exports, __webpack_require__) { var isArguments = __webpack_require__(10), isArray = __webpack_require__(1), isArrayLike = __webpack_require__(22), isFunction = __webpack_require__(11), isString = __webpack_require__(33); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Checks if `value` is an empty collection or object. A value is considered * empty if it's an `arguments` object, array, string, or jQuery-like collection * with a length of `0` or has no own enumerable properties. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is empty, else `false`. * @example * * _.isEmpty(null); * // => true * * _.isEmpty(true); * // => true * * _.isEmpty(1); * // => true * * _.isEmpty([1, 2, 3]); * // => false * * _.isEmpty({ 'a': 1 }); * // => false */ function isEmpty(value) { if (isArrayLike(value) && (isArray(value) || isString(value) || isFunction(value.splice) || isArguments(value))) { return !value.length; } for (var key in value) { if (hasOwnProperty.call(value, key)) { return false; } } return true; } module.e = isEmpty; /***/ }, /* 173 */ /***/ function(module, exports, __webpack_require__) { var isFunction = __webpack_require__(11), isHostObject = __webpack_require__(17), isObjectLike = __webpack_require__(4); /** Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). */ var reRegExpChar = /[\\^$.*+?()[\]{}|]/g; /** Used to detect host constructors (Safari > 5). */ var reIsHostCtor = /^\[object .+?Constructor\]$/; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to resolve the decompiled source of functions. */ var funcToString = Function.prototype.toString; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Used to detect if a method is native. */ var reIsNative = RegExp('^' + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' ); /** * Checks if `value` is a native function. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a native function, else `false`. * @example * * _.isNative(Array.prototype.push); * // => true * * _.isNative(_); * // => false */ function isNative(value) { if (value == null) { return false; } if (isFunction(value)) { return reIsNative.test(funcToString.call(value)); } return isObjectLike(value) && (isHostObject(value) ? reIsNative : reIsHostCtor).test(value); } module.e = isNative; /***/ }, /* 174 */ /***/ function(module, exports, __webpack_require__) { var isHostObject = __webpack_require__(17), isObjectLike = __webpack_require__(4); /** `Object#toString` result references. */ var objectTag = '[object Object]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to resolve the decompiled source of functions. */ var funcToString = Function.prototype.toString; /** Used to infer the `Object` constructor. */ var objectCtorString = funcToString.call(Object); /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** Built-in value references. */ var getPrototypeOf = Object.getPrototypeOf; /** * Checks if `value` is a plain object, that is, an object created by the * `Object` constructor or one with a `[[Prototype]]` of `null`. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. * @example * * function Foo() { * this.a = 1; * } * * _.isPlainObject(new Foo); * // => false * * _.isPlainObject([1, 2, 3]); * // => false * * _.isPlainObject({ 'x': 0, 'y': 0 }); * // => true * * _.isPlainObject(Object.create(null)); * // => true */ function isPlainObject(value) { if (!isObjectLike(value) || objectToString.call(value) != objectTag || isHostObject(value)) { return false; } var proto = getPrototypeOf(value); if (proto === null) { return true; } var Ctor = proto.constructor; return (typeof Ctor == 'function' && Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString); } module.e = isPlainObject; /***/ }, /* 175 */ /***/ function(module, exports, __webpack_require__) { var isObjectLike = __webpack_require__(4); /** `Object#toString` result references. */ var symbolTag = '[object Symbol]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** * Checks if `value` is classified as a `Symbol` primitive or object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`. * @example * * _.isSymbol(Symbol.iterator); * // => true * * _.isSymbol('abc'); * // => false */ function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && objectToString.call(value) == symbolTag); } module.e = isSymbol; /***/ }, /* 176 */ /***/ function(module, exports, __webpack_require__) { /** * Gets the last element of `array`. * * @static * @memberOf _ * @category Array * @param {Array} array The array to query. * @returns {*} Returns the last element of `array`. * @example * * _.last([1, 2, 3]); * // => 3 */ function last(array) { var length = array ? array.length : 0; return length ? array[length - 1] : undefined; } module.e = last; /***/ }, /* 177 */ /***/ function(module, exports, __webpack_require__) { var baseIteratee = __webpack_require__(117), basePickBy = __webpack_require__(125); /** * The opposite of `_.pickBy`; this method creates an object composed of * the own and inherited enumerable properties of `object` that `predicate` * doesn't return truthy for. The predicate is invoked with two arguments: * (value, key). * * @static * @memberOf _ * @category Object * @param {Object} object The source object. * @param {Function|Object|string} [predicate=_.identity] The function invoked per property. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.omitBy(object, _.isNumber); * // => { 'b': '2' } */ function omitBy(object, predicate) { predicate = baseIteratee(predicate); return basePickBy(object, function(value, key) { return !predicate(value, key); }); } module.e = omitBy; /***/ }, /* 178 */ /***/ function(module, exports, __webpack_require__) { var baseProperty = __webpack_require__(54), basePropertyDeep = __webpack_require__(126), isKey = __webpack_require__(30); /** * Creates a function that returns the value at `path` of a given object. * * @static * @memberOf _ * @category Util * @param {Array|string} path The path of the property to get. * @returns {Function} Returns the new function. * @example * * var objects = [ * { 'a': { 'b': { 'c': 2 } } }, * { 'a': { 'b': { 'c': 1 } } } * ]; * * _.map(objects, _.property('a.b.c')); * // => [2, 1] * * _.map(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c'); * // => [1, 2] */ function property(path) { return isKey(path) ? baseProperty(path) : basePropertyDeep(path); } module.e = property; /***/ }, /* 179 */ /***/ function(module, exports, __webpack_require__) { var toNumber = __webpack_require__(180); /** Used as references for various `Number` constants. */ var INFINITY = 1 / 0, MAX_INTEGER = 1.7976931348623157e+308; /** * Converts `value` to an integer. * * **Note:** This function is loosely based on [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger). * * @static * @memberOf _ * @category Lang * @param {*} value The value to convert. * @returns {number} Returns the converted integer. * @example * * _.toInteger(3); * // => 3 * * _.toInteger(Number.MIN_VALUE); * // => 0 * * _.toInteger(Infinity); * // => 1.7976931348623157e+308 * * _.toInteger('3'); * // => 3 */ function toInteger(value) { if (!value) { return value === 0 ? value : 0; } value = toNumber(value); if (value === INFINITY || value === -INFINITY) { var sign = (value < 0 ? -1 : 1); return sign * MAX_INTEGER; } var remainder = value % 1; return value === value ? (remainder ? value - remainder : value) : 0; } module.e = toInteger; /***/ }, /* 180 */ /***/ function(module, exports, __webpack_require__) { var isFunction = __webpack_require__(11), isObject = __webpack_require__(2); /** Used as references for various `Number` constants. */ var NAN = 0 / 0; /** Used to match leading and trailing whitespace. */ var reTrim = /^\s+|\s+$/g; /** Used to detect bad signed hexadecimal string values. */ var reIsBadHex = /^[-+]0x[0-9a-f]+$/i; /** Used to detect binary string values. */ var reIsBinary = /^0b[01]+$/i; /** Used to detect octal string values. */ var reIsOctal = /^0o[0-7]+$/i; /** Built-in method references without a dependency on `root`. */ var freeParseInt = parseInt; /** * Converts `value` to a number. * * @static * @memberOf _ * @category Lang * @param {*} value The value to process. * @returns {number} Returns the number. * @example * * _.toNumber(3); * // => 3 * * _.toNumber(Number.MIN_VALUE); * // => 5e-324 * * _.toNumber(Infinity); * // => Infinity * * _.toNumber('3'); * // => 3 */ function toNumber(value) { if (isObject(value)) { var other = isFunction(value.valueOf) ? value.valueOf() : value; value = isObject(other) ? (other + '') : other; } if (typeof value != 'string') { return value === 0 ? value : +value; } value = value.replace(reTrim, ''); var isBinary = reIsBinary.test(value); return (isBinary || reIsOctal.test(value)) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : (reIsBadHex.test(value) ? NAN : +value); } module.e = toNumber; /***/ }, /* 181 */ /***/ function(module, exports, __webpack_require__) { var baseToPairs = __webpack_require__(129), keys = __webpack_require__(24); /** * Creates an array of own enumerable key-value pairs for `object` which * can be consumed by `_.fromPairs`. * * @static * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the new array of key-value pairs. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.toPairs(new Foo); * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed) */ function toPairs(object) { return baseToPairs(object, keys(object)); } module.e = toPairs; /***/ }, /* 182 */ /***/ function(module, exports, __webpack_require__) { var copyObject = __webpack_require__(29), keysIn = __webpack_require__(35); /** * Converts `value` to a plain object flattening inherited enumerable * properties of `value` to own properties of the plain object. * * @static * @memberOf _ * @category Lang * @param {*} value The value to convert. * @returns {Object} Returns the converted plain object. * @example * * function Foo() { * this.b = 2; * } * * Foo.prototype.c = 3; * * _.assign({ 'a': 1 }, new Foo); * // => { 'a': 1, 'b': 2 } * * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); * // => { 'a': 1, 'b': 2, 'c': 3 } */ function toPlainObject(value) { return copyObject(value, keysIn(value)); } module.e = toPlainObject; /***/ }, /* 183 */ /***/ function(module, exports, __webpack_require__) { var Symbol = __webpack_require__(27), isSymbol = __webpack_require__(175); /** Used as references for various `Number` constants. */ var INFINITY = 1 / 0; /** Used to convert symbols to primitives and strings. */ var symbolProto = Symbol ? Symbol.prototype : undefined, symbolToString = symbolProto ? symbolProto.toString : undefined; /** * Converts `value` to a string if it's not one. An empty string is returned * for `null` and `undefined` values. The sign of `-0` is preserved. * * @static * @memberOf _ * @category Lang * @param {*} value The value to process. * @returns {string} Returns the string. * @example * * _.toString(null); * // => '' * * _.toString(-0); * // => '-0' * * _.toString([1, 2, 3]); * // => '1,2,3' */ function toString(value) { // Exit early for strings to avoid a performance hit in some environments. if (typeof value == 'string') { return value; } if (value == null) { return ''; } if (isSymbol(value)) { return symbolToString ? symbolToString.call(value) : ''; } var result = (value + ''); return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; } module.e = toString; /***/ }, /* 184 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; // Shimming starts here. (function() { // Utils. var logging = __webpack_require__(0).log; var browserDetails = __webpack_require__(0).browserDetails; // Export to the adapter global object visible in the browser. module.e.browserDetails = browserDetails; module.e.extractVersion = __webpack_require__(0).extractVersion; module.e.disableLog = __webpack_require__(0).disableLog; // Uncomment if you do not want any logging at all including the switch // statement below. Can also be turned off in the browser via // adapter.disableLog(true) but then logging from the switch statement below // will still appear. //require('./utils').disableLog(true); // Browser shims. var chromeShim = __webpack_require__(185) || null; var edgeShim = __webpack_require__(188) || null; var firefoxShim = __webpack_require__(189) || null; // Shim browser if found. switch (browserDetails.browser) { case 'chrome': if (!chromeShim || !chromeShim.shimPeerConnection) { logging('Chrome shim is not included in this adapter release.'); return; } logging('adapter.js shimming chrome!'); // Export to the adapter global object visible in the browser. module.e.browserShim = chromeShim; chromeShim.shimGetUserMedia(); chromeShim.shimSourceObject(); chromeShim.shimPeerConnection(); chromeShim.shimOnTrack(); break; case 'edge': if (!edgeShim || !edgeShim.shimPeerConnection) { logging('MS edge shim is not included in this adapter release.'); return; } logging('adapter.js shimming edge!'); // Export to the adapter global object visible in the browser. module.e.browserShim = edgeShim; edgeShim.shimPeerConnection(); break; case 'firefox': if (!firefoxShim || !firefoxShim.shimPeerConnection) { logging('Firefox shim is not included in this adapter release.'); return; } logging('adapter.js shimming firefox!'); // Export to the adapter global object visible in the browser. module.e.browserShim = firefoxShim; firefoxShim.shimGetUserMedia(); firefoxShim.shimSourceObject(); firefoxShim.shimPeerConnection(); firefoxShim.shimOnTrack(); break; default: logging('Unsupported browser!'); } })(); /***/ }, /* 185 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; var logging = __webpack_require__(0).log; var browserDetails = __webpack_require__(0).browserDetails; var chromeShim = { shimOnTrack: function() { if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) { Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', { get: function() { return this._ontrack; }, set: function(f) { var self = this; if (this._ontrack) { this.removeEventListener('track', this._ontrack); this.removeEventListener('addstream', this._ontrackpoly); } this.addEventListener('track', this._ontrack = f); this.addEventListener('addstream', this._ontrackpoly = function(e) { // onaddstream does not fire when a track is added to an existing stream. // but stream.onaddtrack is implemented so we use that e.stream.addEventListener('addtrack', function(te) { var event = new Event('track'); event.track = te.track; event.receiver = {track: te.track}; event.streams = [e.stream]; self.dispatchEvent(event); }); e.stream.getTracks().forEach(function(track) { var event = new Event('track'); event.track = track; event.receiver = {track: track}; event.streams = [e.stream]; this.dispatchEvent(event); }.bind(this)); }.bind(this)); } }); } }, shimSourceObject: function() { if (typeof window === 'object') { if (window.HTMLMediaElement && !('srcObject' in window.HTMLMediaElement.prototype)) { // Shim the srcObject property, once, when HTMLMediaElement is found. Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', { get: function() { return this._srcObject; }, set: function(stream) { var self = this; // Use _srcObject as a private property for this shim this._srcObject = stream; if (this.src) { URL.revokeObjectURL(this.src); } if (!stream) { this.src = ''; return; } this.src = URL.createObjectURL(stream); // We need to recreate the blob url when a track is added or removed. // Doing it manually since we want to avoid a recursion. stream.addEventListener('addtrack', function() { if (self.src) { URL.revokeObjectURL(self.src); } self.src = URL.createObjectURL(stream); }); stream.addEventListener('removetrack', function() { if (self.src) { URL.revokeObjectURL(self.src); } self.src = URL.createObjectURL(stream); }); } }); } } }, shimPeerConnection: function() { // The RTCPeerConnection object. window.RTCPeerConnection = function(pcConfig, pcConstraints) { // Translate iceTransportPolicy to iceTransports, // see https://code.google.com/p/webrtc/issues/detail?id=4869 logging('PeerConnection'); if (pcConfig && pcConfig.iceTransportPolicy) { pcConfig.iceTransports = pcConfig.iceTransportPolicy; } var pc = new webkitRTCPeerConnection(pcConfig, pcConstraints); // jscs:ignore requireCapitalizedConstructors var origGetStats = pc.getStats.bind(pc); pc.getStats = function(selector, successCallback, errorCallback) { // jshint ignore: line var self = this; var args = arguments; // If selector is a function then we are in the old style stats so just // pass back the original getStats format to avoid breaking old users. if (arguments.length > 0 && typeof selector === 'function') { return origGetStats(selector, successCallback); } var fixChromeStats_ = function(response) { var standardReport = {}; var reports = response.result(); reports.forEach(function(report) { var standardStats = { id: report.id, timestamp: report.timestamp, type: report.type }; report.names().forEach(function(name) { standardStats[name] = report.stat(name); }); standardReport[standardStats.id] = standardStats; }); return standardReport; }; if (arguments.length >= 2) { var successCallbackWrapper_ = function(response) { args[1](fixChromeStats_(response)); }; return origGetStats.apply(this, [successCallbackWrapper_, arguments[0]]); } // promise-support return new Promise(function(resolve, reject) { if (args.length === 1 && selector === null) { origGetStats.apply(self, [ function(response) { resolve.apply(null, [fixChromeStats_(response)]); }, reject]); } else { origGetStats.apply(self, [resolve, reject]); } }); }; return pc; }; window.RTCPeerConnection.prototype = webkitRTCPeerConnection.prototype; // wrap static methods. Currently just generateCertificate. if (webkitRTCPeerConnection.generateCertificate) { Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', { get: function() { if (arguments.length) { return webkitRTCPeerConnection.generateCertificate.apply(null, arguments); } else { return webkitRTCPeerConnection.generateCertificate; } } }); } // add promise support ['createOffer', 'createAnswer'].forEach(function(method) { var nativeMethod = webkitRTCPeerConnection.prototype[method]; webkitRTCPeerConnection.prototype[method] = function() { var self = this; if (arguments.length < 1 || (arguments.length === 1 && typeof(arguments[0]) === 'object')) { var opts = arguments.length === 1 ? arguments[0] : undefined; return new Promise(function(resolve, reject) { nativeMethod.apply(self, [resolve, reject, opts]); }); } else { return nativeMethod.apply(this, arguments); } }; }); ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function(method) { var nativeMethod = webkitRTCPeerConnection.prototype[method]; webkitRTCPeerConnection.prototype[method] = function() { var args = arguments; var self = this; return new Promise(function(resolve, reject) { nativeMethod.apply(self, [args[0], function() { resolve(); if (args.length >= 2) { args[1].apply(null, []); } }, function(err) { reject(err); if (args.length >= 3) { args[2].apply(null, [err]); } }] ); }); }; }); }, // Attach a media stream to an element. attachMediaStream: function(element, stream) { logging('DEPRECATED, attachMediaStream will soon be removed.'); if (browserDetails.version >= 43) { element.srcObject = stream; } else if (typeof element.src !== 'undefined') { element.src = URL.createObjectURL(stream); } else { logging('Error attaching stream to element.'); } }, reattachMediaStream: function(to, from) { logging('DEPRECATED, reattachMediaStream will soon be removed.'); if (browserDetails.version >= 43) { to.srcObject = from.srcObject; } else { to.src = from.src; } } } // Expose public methods. module.e = { shimOnTrack: chromeShim.shimOnTrack, shimSourceObject: chromeShim.shimSourceObject, shimPeerConnection: chromeShim.shimPeerConnection, shimGetUserMedia: __webpack_require__(186), attachMediaStream: chromeShim.attachMediaStream, reattachMediaStream: chromeShim.reattachMediaStream }; /***/ }, /* 186 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; var logging = __webpack_require__(0).log; // Expose public methods. module.e = function() { var constraintsToChrome_ = function(c) { if (typeof c !== 'object' || c.mandatory || c.optional) { return c; } var cc = {}; Object.keys(c).forEach(function(key) { if (key === 'require' || key === 'advanced' || key === 'mediaSource') { return; } var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]}; if (r.exact !== undefined && typeof r.exact === 'number') { r.min = r.max = r.exact; } var oldname_ = function(prefix, name) { if (prefix) { return prefix + name.charAt(0).toUpperCase() + name.slice(1); } return (name === 'deviceId') ? 'sourceId' : name; }; if (r.ideal !== undefined) { cc.optional = cc.optional || []; var oc = {}; if (typeof r.ideal === 'number') { oc[oldname_('min', key)] = r.ideal; cc.optional.push(oc); oc = {}; oc[oldname_('max', key)] = r.ideal; cc.optional.push(oc); } else { oc[oldname_('', key)] = r.ideal; cc.optional.push(oc); } } if (r.exact !== undefined && typeof r.exact !== 'number') { cc.mandatory = cc.mandatory || {}; cc.mandatory[oldname_('', key)] = r.exact; } else { ['min', 'max'].forEach(function(mix) { if (r[mix] !== undefined) { cc.mandatory = cc.mandatory || {}; cc.mandatory[oldname_(mix, key)] = r[mix]; } }); } }); if (c.advanced) { cc.optional = (cc.optional || []).concat(c.advanced); } return cc; }; var getUserMedia_ = function(constraints, onSuccess, onError) { if (constraints.audio) { constraints.audio = constraintsToChrome_(constraints.audio); } if (constraints.video) { constraints.video = constraintsToChrome_(constraints.video); } logging('chrome: ' + JSON.stringify(constraints)); return navigator.webkitGetUserMedia(constraints, onSuccess, onError); }; navigator.getUserMedia = getUserMedia_; // Returns the result of getUserMedia as a Promise. var getUserMediaPromise_ = function(constraints) { return new Promise(function(resolve, reject) { navigator.getUserMedia(constraints, resolve, reject); }); } if (!navigator.mediaDevices) { navigator.mediaDevices = {getUserMedia: getUserMediaPromise_, enumerateDevices: function() { return new Promise(function(resolve) { var kinds = {audio: 'audioinput', video: 'videoinput'}; return MediaStreamTrack.getSources(function(devices) { resolve(devices.map(function(device) { return {label: device.label, kind: kinds[device.kind], deviceId: device.id, groupId: ''}; })); }); }); }}; } // A shim for getUserMedia method on the mediaDevices object. // TODO(KaptenJansson) remove once implemented in Chrome stable. if (!navigator.mediaDevices.getUserMedia) { navigator.mediaDevices.getUserMedia = function(constraints) { return getUserMediaPromise_(constraints); }; } else { // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia // function which returns a Promise, it does not accept spec-style // constraints. var origGetUserMedia = navigator.mediaDevices.getUserMedia. bind(navigator.mediaDevices); navigator.mediaDevices.getUserMedia = function(c) { if (c) { logging('spec: ' + JSON.stringify(c)); // whitespace for alignment c.audio = constraintsToChrome_(c.audio); c.video = constraintsToChrome_(c.video); logging('chrome: ' + JSON.stringify(c)); } return origGetUserMedia(c); }.bind(this); } // Dummy devicechange event methods. // TODO(KaptenJansson) remove once implemented in Chrome stable. if (typeof navigator.mediaDevices.addEventListener === 'undefined') { navigator.mediaDevices.addEventListener = function() { logging('Dummy mediaDevices.addEventListener called.'); }; } if (typeof navigator.mediaDevices.removeEventListener === 'undefined') { navigator.mediaDevices.removeEventListener = function() { logging('Dummy mediaDevices.removeEventListener called.'); }; } }; /***/ }, /* 187 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; // SDP helpers. var SDPUtils = {}; // Generate an alphanumeric identifier for cname or mids. // TODO: use UUIDs instead? https://gist.github.com/jed/982883 SDPUtils.generateIdentifier = function() { return Math.random().toString(36).substr(2, 10); }; // The RTCP CNAME used by all peerconnections from the same JS. SDPUtils.localCName = SDPUtils.generateIdentifier(); // Splits SDP into lines, dealing with both CRLF and LF. SDPUtils.splitLines = function(blob) { return blob.trim().split('\n').map(function(line) { return line.trim(); }); }; // Splits SDP into sessionpart and mediasections. Ensures CRLF. SDPUtils.splitSections = function(blob) { var parts = blob.split('\r\nm='); return parts.map(function(part, index) { return (index > 0 ? 'm=' + part : part).trim() + '\r\n'; }); }; // Returns lines that start with a certain prefix. SDPUtils.matchPrefix = function(blob, prefix) { return SDPUtils.splitLines(blob).filter(function(line) { return line.indexOf(prefix) === 0; }); }; // Parses an ICE candidate line. Sample input: // candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8 rport 55996" SDPUtils.parseCandidate = function(line) { var parts; // Parse both variants. if (line.indexOf('a=candidate:') === 0) { parts = line.substring(12).split(' '); } else { parts = line.substring(10).split(' '); } var candidate = { foundation: parts[0], component: parts[1], protocol: parts[2].toLowerCase(), priority: parseInt(parts[3], 10), ip: parts[4], port: parseInt(parts[5], 10), // skip parts[6] == 'typ' type: parts[7] }; for (var i = 8; i < parts.length; i += 2) { switch (parts[i]) { case 'raddr': candidate.relatedAddress = parts[i + 1]; break; case 'rport': candidate.relatedPort = parseInt(parts[i + 1], 10); break; case 'tcptype': candidate.tcpType = parts[i + 1]; break; default: // Unknown extensions are silently ignored. break; } } return candidate; }; // Translates a candidate object into SDP candidate attribute. SDPUtils.writeCandidate = function(candidate) { var sdp = []; sdp.push(candidate.foundation); sdp.push(candidate.component); sdp.push(candidate.protocol.toUpperCase()); sdp.push(candidate.priority); sdp.push(candidate.ip); sdp.push(candidate.port); var type = candidate.type; sdp.push('typ'); sdp.push(type); if (type !== 'host' && candidate.relatedAddress && candidate.relatedPort) { sdp.push('raddr'); sdp.push(candidate.relatedAddress); // was: relAddr sdp.push('rport'); sdp.push(candidate.relatedPort); // was: relPort } if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') { sdp.push('tcptype'); sdp.push(candidate.tcpType); } return 'candidate:' + sdp.join(' '); }; // Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input: // a=rtpmap:111 opus/48000/2 SDPUtils.parseRtpMap = function(line) { var parts = line.substr(9).split(' '); var parsed = { payloadType: parseInt(parts.shift(), 10) // was: id }; parts = parts[0].split('/'); parsed.name = parts[0]; parsed.clockRate = parseInt(parts[1], 10); // was: clockrate parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1; // was: channels return parsed; }; // Generate an a=rtpmap line from RTCRtpCodecCapability or RTCRtpCodecParameters. SDPUtils.writeRtpMap = function(codec) { var pt = codec.payloadType; if (codec.preferredPayloadType !== undefined) { pt = codec.preferredPayloadType; } return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate + (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n'; }; // Parses an ftmp line, returns dictionary. Sample input: // a=fmtp:96 vbr=on;cng=on // Also deals with vbr=on; cng=on SDPUtils.parseFmtp = function(line) { var parsed = {}; var kv; var parts = line.substr(line.indexOf(' ') + 1).split(';'); for (var j = 0; j < parts.length; j++) { kv = parts[j].trim().split('='); parsed[kv[0].trim()] = kv[1]; } return parsed; }; // Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters. SDPUtils.writeFtmp = function(codec) { var line = ''; var pt = codec.payloadType; if (codec.preferredPayloadType !== undefined) { pt = codec.preferredPayloadType; } if (codec.parameters && codec.parameters.length) { var params = []; Object.keys(codec.parameters).forEach(function(param) { params.push(param + '=' + codec.parameters[param]); }); line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n'; } return line; }; // Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input: // a=rtcp-fb:98 nack rpsi SDPUtils.parseRtcpFb = function(line) { var parts = line.substr(line.indexOf(' ') + 1).split(' '); return { type: parts.shift(), parameter: parts.join(' ') }; }; // Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters. SDPUtils.writeRtcpFb = function(codec) { var lines = ''; var pt = codec.payloadType; if (codec.preferredPayloadType !== undefined) { pt = codec.preferredPayloadType; } if (codec.rtcpFeedback && codec.rtcpFeedback.length) { // FIXME: special handling for trr-int? codec.rtcpFeedback.forEach(function(fb) { lines += 'a=rtcp-fb:' + pt + ' ' + fb.type + ' ' + fb.parameter + '\r\n'; }); } return lines; }; // Parses an RFC 5576 ssrc media attribute. Sample input: // a=ssrc:3735928559 cname:something SDPUtils.parseSsrcMedia = function(line) { var sp = line.indexOf(' '); var parts = { ssrc: line.substr(7, sp - 7), }; var colon = line.indexOf(':', sp); if (colon > -1) { parts.attribute = line.substr(sp + 1, colon - sp - 1); parts.value = line.substr(colon + 1); } else { parts.attribute = line.substr(sp + 1); } return parts; }; // Extracts DTLS parameters from SDP media section or sessionpart. // FIXME: for consistency with other functions this should only // get the fingerprint line as input. See also getIceParameters. SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) { var lines = SDPUtils.splitLines(mediaSection); lines = lines.concat(SDPUtils.splitLines(sessionpart)); // Search in session part, too. var fpLine = lines.filter(function(line) { return line.indexOf('a=fingerprint:') === 0; })[0].substr(14); // Note: a=setup line is ignored since we use the 'auto' role. var dtlsParameters = { role: 'auto', fingerprints: [{ algorithm: fpLine.split(' ')[0], value: fpLine.split(' ')[1] }] }; return dtlsParameters; }; // Serializes DTLS parameters to SDP. SDPUtils.writeDtlsParameters = function(params, setupType) { var sdp = 'a=setup:' + setupType + '\r\n'; params.fingerprints.forEach(function(fp) { sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n'; }); return sdp; }; // Parses ICE information from SDP media section or sessionpart. // FIXME: for consistency with other functions this should only // get the ice-ufrag and ice-pwd lines as input. SDPUtils.getIceParameters = function(mediaSection, sessionpart) { var lines = SDPUtils.splitLines(mediaSection); lines = lines.concat(SDPUtils.splitLines(sessionpart)); // Search in session part, too. var iceParameters = { usernameFragment: lines.filter(function(line) { return line.indexOf('a=ice-ufrag:') === 0; })[0].substr(12), password: lines.filter(function(line) { return line.indexOf('a=ice-pwd:') === 0; })[0].substr(10) }; return iceParameters; }; // Serializes ICE parameters to SDP. SDPUtils.writeIceParameters = function(params) { return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' + 'a=ice-pwd:' + params.password + '\r\n'; }; // Parses the SDP media section and returns RTCRtpParameters. SDPUtils.parseRtpParameters = function(mediaSection) { var description = { codecs: [], headerExtensions: [], fecMechanisms: [], rtcp: [] }; var lines = SDPUtils.splitLines(mediaSection); var mline = lines[0].split(' '); for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..] var pt = mline[i]; var rtpmapline = SDPUtils.matchPrefix( mediaSection, 'a=rtpmap:' + pt + ' ')[0]; if (rtpmapline) { var codec = SDPUtils.parseRtpMap(rtpmapline); var fmtps = SDPUtils.matchPrefix( mediaSection, 'a=fmtp:' + pt + ' '); // Only the first a=fmtp: is considered. codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {}; codec.rtcpFeedback = SDPUtils.matchPrefix( mediaSection, 'a=rtcp-fb:' + pt + ' ') .map(SDPUtils.parseRtcpFb); description.codecs.push(codec); } } // FIXME: parse headerExtensions, fecMechanisms and rtcp. return description; }; // Generates parts of the SDP media section describing the capabilities / parameters. SDPUtils.writeRtpDescription = function(kind, caps) { var sdp = ''; // Build the mline. sdp += 'm=' + kind + ' '; sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs. sdp += ' UDP/TLS/RTP/SAVPF '; sdp += caps.codecs.map(function(codec) { if (codec.preferredPayloadType !== undefined) { return codec.preferredPayloadType; } return codec.payloadType; }).join(' ') + '\r\n'; sdp += 'c=IN IP4 0.0.0.0\r\n'; sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n'; // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb. caps.codecs.forEach(function(codec) { sdp += SDPUtils.writeRtpMap(codec); sdp += SDPUtils.writeFtmp(codec); sdp += SDPUtils.writeRtcpFb(codec); }); // FIXME: add headerExtensions, fecMechanismş and rtcp. sdp += 'a=rtcp-mux\r\n'; return sdp; }; SDPUtils.writeSessionBoilerplate = function() { // FIXME: sess-id should be an NTP timestamp. return 'v=0\r\n' + 'o=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\n' + 's=-\r\n' + 't=0 0\r\n'; }; SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) { var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps); // Map ICE parameters (ufrag, pwd) to SDP. sdp += SDPUtils.writeIceParameters( transceiver.iceGatherer.getLocalParameters()); // Map DTLS parameters to SDP. sdp += SDPUtils.writeDtlsParameters( transceiver.dtlsTransport.getLocalParameters(), type === 'offer' ? 'actpass' : 'active'); sdp += 'a=mid:' + transceiver.mid + '\r\n'; if (transceiver.rtpSender && transceiver.rtpReceiver) { sdp += 'a=sendrecv\r\n'; } else if (transceiver.rtpSender) { sdp += 'a=sendonly\r\n'; } else if (transceiver.rtpReceiver) { sdp += 'a=recvonly\r\n'; } else { sdp += 'a=inactive\r\n'; } // FIXME: for RTX there might be multiple SSRCs. Not implemented in Edge yet. if (transceiver.rtpSender) { var msid = 'msid:' + stream.id + ' ' + transceiver.rtpSender.track.id + '\r\n'; sdp += 'a=' + msid; sdp += 'a=ssrc:' + transceiver.sendSsrc + ' ' + msid; } // FIXME: this should be written by writeRtpDescription. sdp += 'a=ssrc:' + transceiver.sendSsrc + ' cname:' + SDPUtils.localCName + '\r\n'; return sdp; }; // Gets the direction from the mediaSection or the sessionpart. SDPUtils.getDirection = function(mediaSection, sessionpart) { // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv. var lines = SDPUtils.splitLines(mediaSection); for (var i = 0; i < lines.length; i++) { switch (lines[i]) { case 'a=sendrecv': case 'a=sendonly': case 'a=recvonly': case 'a=inactive': return lines[i].substr(2); } } if (sessionpart) { return SDPUtils.getDirection(sessionpart); } return 'sendrecv'; }; // Expose public methods. module.e = SDPUtils; /***/ }, /* 188 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; var SDPUtils = __webpack_require__(187); var logging = __webpack_require__(0).log; var browserDetails = __webpack_require__(0).browserDetails; var edgeShim = { shimPeerConnection: function() { if (window.RTCIceGatherer) { // ORTC defines an RTCIceCandidate object but no constructor. // Not implemented in Edge. if (!window.RTCIceCandidate) { window.RTCIceCandidate = function(args) { return args; }; } // ORTC does not have a session description object but // other browsers (i.e. Chrome) that will support both PC and ORTC // in the future might have this defined already. if (!window.RTCSessionDescription) { window.RTCSessionDescription = function(args) { return args; }; } } window.RTCPeerConnection = function(config) { var self = this; var _eventTarget = document.createDocumentFragment(); ['addEventListener', 'removeEventListener', 'dispatchEvent'].forEach( function(method) { self[method] = _eventTarget[method].bind(_eventTarget); }); this.onicecandidate = null; this.onaddstream = null; this.ontrack = null; this.onremovestream = null; this.onsignalingstatechange = null; this.oniceconnectionstatechange = null; this.onnegotiationneeded = null; this.ondatachannel = null; this.localStreams = []; this.remoteStreams = []; this.getLocalStreams = function() { return self.localStreams; }; this.getRemoteStreams = function() { return self.remoteStreams; }; this.localDescription = new RTCSessionDescription({ type: '', sdp: '' }); this.remoteDescription = new RTCSessionDescription({ type: '', sdp: '' }); this.signalingState = 'stable'; this.iceConnectionState = 'new'; this.iceGatheringState = 'new'; this.iceOptions = { gatherPolicy: 'all', iceServers: [] }; if (config && config.iceTransportPolicy) { switch (config.iceTransportPolicy) { case 'all': case 'relay': this.iceOptions.gatherPolicy = config.iceTransportPolicy; break; case 'none': // FIXME: remove once implementation and spec have added this. throw new TypeError('iceTransportPolicy "none" not supported'); } } if (config && config.iceServers) { // Edge does not like // 1) stun: // 2) turn: that does not have all of turn:host:port?transport=udp this.iceOptions.iceServers = config.iceServers.filter(function(server) { if (server && server.urls) { server.urls = server.urls.filter(function(url) { return url.indexOf('transport=udp') !== -1; })[0]; return true; } return false; }); } // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ... // everything that is needed to describe a SDP m-line. this.transceivers = []; // since the iceGatherer is currently created in createOffer but we // must not emit candidates until after setLocalDescription we buffer // them in this array. this._localIceCandidatesBuffer = []; }; window.RTCPeerConnection.prototype._emitBufferedCandidates = function() { var self = this; var sections = SDPUtils.splitSections(self.localDescription.sdp); // FIXME: need to apply ice candidates in a way which is async but in-order this._localIceCandidatesBuffer.forEach(function(event) { var end = !event.candidate || Object.keys(event.candidate).length == 0; if (end) { for (var j = 1; j < sections.length; j++) { sections[j] += 'a=end-of-candidates\r\n'; } } else { sections[event.candidate.sdpMLineIndex + 1] += 'a=' + event.candidate.candidate + '\r\n'; } self.dispatchEvent(event); if (self.onicecandidate !== null) { self.onicecandidate(event); } if (!event.candidate) { self.iceGatheringState = 'complete'; } }); this._localIceCandidatesBuffer = []; this.localDescription.sdp = sections.join(''); }; window.RTCPeerConnection.prototype.addStream = function(stream) { // Clone is necessary for local demos mostly, attaching directly // to two different senders does not work (build 10547). this.localStreams.push(stream.clone()); this._maybeFireNegotiationNeeded(); }; window.RTCPeerConnection.prototype.removeStream = function(stream) { var idx = this.localStreams.indexOf(stream); if (idx > -1) { this.localStreams.splice(idx, 1); this._maybeFireNegotiationNeeded(); } }; // Determines the intersection of local and remote capabilities. window.RTCPeerConnection.prototype._getCommonCapabilities = function(localCapabilities, remoteCapabilities) { var commonCapabilities = { codecs: [], headerExtensions: [], fecMechanisms: [] }; localCapabilities.codecs.forEach(function(lCodec) { for (var i = 0; i < remoteCapabilities.codecs.length; i++) { var rCodec = remoteCapabilities.codecs[i]; if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() && lCodec.clockRate === rCodec.clockRate && lCodec.numChannels === rCodec.numChannels) { // push rCodec so we reply with offerer payload type commonCapabilities.codecs.push(rCodec); // FIXME: also need to determine intersection between // .rtcpFeedback and .parameters break; } } }); localCapabilities.headerExtensions.forEach(function(lHeaderExtension) { for (var i = 0; i < remoteCapabilities.headerExtensions.length; i++) { var rHeaderExtension = remoteCapabilities.headerExtensions[i]; if (lHeaderExtension.uri === rHeaderExtension.uri) { commonCapabilities.headerExtensions.push(rHeaderExtension); break; } } }); // FIXME: fecMechanisms return commonCapabilities; }; // Create ICE gatherer, ICE transport and DTLS transport. window.RTCPeerConnection.prototype._createIceAndDtlsTransports = function(mid, sdpMLineIndex) { var self = this; var iceGatherer = new RTCIceGatherer(self.iceOptions); var iceTransport = new RTCIceTransport(iceGatherer); iceGatherer.onlocalcandidate = function(evt) { var event = new Event('icecandidate'); event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex}; var cand = evt.candidate; var end = !cand || Object.keys(cand).length === 0; // Edge emits an empty object for RTCIceCandidateComplete‥ if (end) { // polyfill since RTCIceGatherer.state is not implemented in Edge 10547 yet. if (iceGatherer.state === undefined) { iceGatherer.state = 'completed'; } // Emit a candidate with type endOfCandidates to make the samples work. // Edge requires addIceCandidate with this empty candidate to start checking. // The real solution is to signal end-of-candidates to the other side when // getting the null candidate but some apps (like the samples) don't do that. event.candidate.candidate = 'candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates'; } else { // RTCIceCandidate doesn't have a component, needs to be added cand.component = iceTransport.component === 'RTCP' ? 2 : 1; event.candidate.candidate = SDPUtils.writeCandidate(cand); } var complete = self.transceivers.every(function(transceiver) { return transceiver.iceGatherer && transceiver.iceGatherer.state === 'completed'; }); // update .localDescription with candidate and (potentially) end-of-candidates. // To make this harder, the gatherer might emit candidates before localdescription // is set. To make things worse, gather.getLocalCandidates still errors in // Edge 10547 when no candidates have been gathered yet. if (self.localDescription && self.localDescription.type !== '') { var sections = SDPUtils.splitSections(self.localDescription.sdp); sections[sdpMLineIndex + 1] += (!end ? 'a=' + event.candidate.candidate : 'a=end-of-candidates') + '\r\n'; self.localDescription.sdp = sections.join(''); } // Emit candidate if localDescription is set. // Also emits null candidate when all gatherers are complete. switch(self.iceGatheringState) { case 'new': self._localIceCandidatesBuffer.push(event); if (complete) { self._localIceCandidatesBuffer.push(new Event('icecandidate')); } break; case 'gathering': self._emitBufferedCandidates(); self.dispatchEvent(event); if (self.onicecandidate !== null) { self.onicecandidate(event); } if (complete) { self.dispatchEvent(new Event('icecandidate')); if (self.onicecandidate !== null) { self.onicecandidate(new Event('icecandidate')); } self.iceGatheringState = 'complete'; } break; case 'complete': // should not happen... currently! break; } }; iceTransport.onicestatechange = function() { self._updateConnectionState(); }; var dtlsTransport = new RTCDtlsTransport(iceTransport); dtlsTransport.ondtlsstatechange = function() { self._updateConnectionState(); }; dtlsTransport.onerror = function() { // onerror does not set state to failed by itself. dtlsTransport.state = 'failed'; self._updateConnectionState(); }; return { iceGatherer: iceGatherer, iceTransport: iceTransport, dtlsTransport: dtlsTransport }; }; // Start the RTP Sender and Receiver for a transceiver. window.RTCPeerConnection.prototype._transceive = function(transceiver, send, recv) { var params = this._getCommonCapabilities(transceiver.localCapabilities, transceiver.remoteCapabilities); if (send && transceiver.rtpSender) { params.encodings = [{ ssrc: transceiver.sendSsrc }]; params.rtcp = { cname: SDPUtils.localCName, ssrc: transceiver.recvSsrc }; transceiver.rtpSender.send(params); } if (recv && transceiver.rtpReceiver) { params.encodings = [{ ssrc: transceiver.recvSsrc }]; params.rtcp = { cname: transceiver.cname, ssrc: transceiver.sendSsrc }; transceiver.rtpReceiver.receive(params); } }; window.RTCPeerConnection.prototype.setLocalDescription = function(description) { var self = this; if (description.type === 'offer') { if (!this._pendingOffer) { } else { this.transceivers = this._pendingOffer; delete this._pendingOffer; } } else if (description.type === 'answer') { var sections = SDPUtils.splitSections(self.remoteDescription.sdp); var sessionpart = sections.shift(); sections.forEach(function(mediaSection, sdpMLineIndex) { var transceiver = self.transceivers[sdpMLineIndex]; var iceGatherer = transceiver.iceGatherer; var iceTransport = transceiver.iceTransport; var dtlsTransport = transceiver.dtlsTransport; var localCapabilities = transceiver.localCapabilities; var remoteCapabilities = transceiver.remoteCapabilities; var rejected = mediaSection.split('\n', 1)[0] .split(' ', 2)[1] === '0'; if (!rejected) { var remoteIceParameters = SDPUtils.getIceParameters(mediaSection, sessionpart); iceTransport.start(iceGatherer, remoteIceParameters, 'controlled'); var remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection, sessionpart); dtlsTransport.start(remoteDtlsParameters); // Calculate intersection of capabilities. var params = self._getCommonCapabilities(localCapabilities, remoteCapabilities); // Start the RTCRtpSender. The RTCRtpReceiver for this transceiver // has already been started in setRemoteDescription. self._transceive(transceiver, params.codecs.length > 0, false); } }); } this.localDescription = { type: description.type, sdp: description.sdp }; switch (description.type) { case 'offer': this._updateSignalingState('have-local-offer'); break; case 'answer': this._updateSignalingState('stable'); break; default: throw new TypeError('unsupported type "' + description.type + '"'); } // If a success callback was provided, emit ICE candidates after it has been // executed. Otherwise, emit callback after the Promise is resolved. var hasCallback = arguments.length > 1 && typeof arguments[1] === 'function'; if (hasCallback) { var cb = arguments[1]; window.setTimeout(function() { cb(); if (self.iceGatheringState === 'new') { self.iceGatheringState = 'gathering'; } self._emitBufferedCandidates(); }, 0); } var p = Promise.resolve(); p.then(function() { if (!hasCallback) { if (self.iceGatheringState === 'new') { self.iceGatheringState = 'gathering'; } // Usually candidates will be emitted earlier. window.setTimeout(self._emitBufferedCandidates.bind(self), 500); } }); return p; }; window.RTCPeerConnection.prototype.setRemoteDescription = function(description) { var self = this; var stream = new MediaStream(); var receiverList = []; var sections = SDPUtils.splitSections(description.sdp); var sessionpart = sections.shift(); sections.forEach(function(mediaSection, sdpMLineIndex) { var lines = SDPUtils.splitLines(mediaSection); var mline = lines[0].substr(2).split(' '); var kind = mline[0]; var rejected = mline[1] === '0'; var direction = SDPUtils.getDirection(mediaSection, sessionpart); var transceiver; var iceGatherer; var iceTransport; var dtlsTransport; var rtpSender; var rtpReceiver; var sendSsrc; var recvSsrc; var localCapabilities; var track; // FIXME: ensure the mediaSection has rtcp-mux set. var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection); var remoteIceParameters; var remoteDtlsParameters; if (!rejected) { remoteIceParameters = SDPUtils.getIceParameters(mediaSection, sessionpart); remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection, sessionpart); } var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0].substr(6); var cname; // Gets the first SSRC. Note that with RTX there might be multiple SSRCs. var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:') .map(function(line) { return SDPUtils.parseSsrcMedia(line); }) .filter(function(obj) { return obj.attribute === 'cname'; })[0]; if (remoteSsrc) { recvSsrc = parseInt(remoteSsrc.ssrc, 10); cname = remoteSsrc.value; } if (description.type === 'offer') { var transports = self._createIceAndDtlsTransports(mid, sdpMLineIndex); localCapabilities = RTCRtpReceiver.getCapabilities(kind); sendSsrc = (2 * sdpMLineIndex + 2) * 1001; rtpReceiver = new RTCRtpReceiver(transports.dtlsTransport, kind); track = rtpReceiver.track; receiverList.push([track, rtpReceiver]); // FIXME: not correct when there are multiple streams but that is // not currently supported in this shim. stream.addTrack(track); // FIXME: look at direction. if (self.localStreams.length > 0 && self.localStreams[0].getTracks().length >= sdpMLineIndex) { // FIXME: actually more complicated, needs to match types etc var localtrack = self.localStreams[0].getTracks()[sdpMLineIndex]; rtpSender = new RTCRtpSender(localtrack, transports.dtlsTransport); } self.transceivers[sdpMLineIndex] = { iceGatherer: transports.iceGatherer, iceTransport: transports.iceTransport, dtlsTransport: transports.dtlsTransport, localCapabilities: localCapabilities, remoteCapabilities: remoteCapabilities, rtpSender: rtpSender, rtpReceiver: rtpReceiver, kind: kind, mid: mid, cname: cname, sendSsrc: sendSsrc, recvSsrc: recvSsrc }; // Start the RTCRtpReceiver now. The RTPSender is started in setLocalDescription. self._transceive(self.transceivers[sdpMLineIndex], false, direction === 'sendrecv' || direction === 'sendonly'); } else if (description.type === 'answer' && !rejected) { transceiver = self.transceivers[sdpMLineIndex]; iceGatherer = transceiver.iceGatherer; iceTransport = transceiver.iceTransport; dtlsTransport = transceiver.dtlsTransport; rtpSender = transceiver.rtpSender; rtpReceiver = transceiver.rtpReceiver; sendSsrc = transceiver.sendSsrc; //recvSsrc = transceiver.recvSsrc; localCapabilities = transceiver.localCapabilities; self.transceivers[sdpMLineIndex].recvSsrc = recvSsrc; self.transceivers[sdpMLineIndex].remoteCapabilities = remoteCapabilities; self.transceivers[sdpMLineIndex].cname = cname; iceTransport.start(iceGatherer, remoteIceParameters, 'controlling'); dtlsTransport.start(remoteDtlsParameters); self._transceive(transceiver, direction === 'sendrecv' || direction === 'recvonly', direction === 'sendrecv' || direction === 'sendonly'); if (rtpReceiver && (direction === 'sendrecv' || direction === 'sendonly')) { track = rtpReceiver.track; receiverList.push([track, rtpReceiver]); stream.addTrack(track); } else { // FIXME: actually the receiver should be created later. delete transceiver.rtpReceiver; } } }); this.remoteDescription = { type: description.type, sdp: description.sdp }; switch (description.type) { case 'offer': this._updateSignalingState('have-remote-offer'); break; case 'answer': this._updateSignalingState('stable'); break; default: throw new TypeError('unsupported type "' + description.type + '"'); } if (stream.getTracks().length) { self.remoteStreams.push(stream); window.setTimeout(function() { var event = new Event('addstream'); event.stream = stream; self.dispatchEvent(event); if (self.onaddstream !== null) { window.setTimeout(function() { self.onaddstream(event); }, 0); } receiverList.forEach(function(item) { var track = item[0]; var receiver = item[1]; var event = new Event('track'); event.track = track; event.receiver = receiver; event.streams = [stream]; self.dispatchEvent(event); if (self.ontrack !== null) { window.setTimeout(function() { self.ontrack(event); }, 0); } }); }, 0); } if (arguments.length > 1 && typeof arguments[1] === 'function') { window.setTimeout(arguments[1], 0); } return Promise.resolve(); }; window.RTCPeerConnection.prototype.close = function() { this.transceivers.forEach(function(transceiver) { /* not yet if (transceiver.iceGatherer) { transceiver.iceGatherer.close(); } */ if (transceiver.iceTransport) { transceiver.iceTransport.stop(); } if (transceiver.dtlsTransport) { transceiver.dtlsTransport.stop(); } if (transceiver.rtpSender) { transceiver.rtpSender.stop(); } if (transceiver.rtpReceiver) { transceiver.rtpReceiver.stop(); } }); // FIXME: clean up tracks, local streams, remote streams, etc this._updateSignalingState('closed'); }; // Update the signaling state. window.RTCPeerConnection.prototype._updateSignalingState = function(newState) { this.signalingState = newState; var event = new Event('signalingstatechange'); this.dispatchEvent(event); if (this.onsignalingstatechange !== null) { this.onsignalingstatechange(event); } }; // Determine whether to fire the negotiationneeded event. window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() { // Fire away (for now). var event = new Event('negotiationneeded'); this.dispatchEvent(event); if (this.onnegotiationneeded !== null) { this.onnegotiationneeded(event); } }; // Update the connection state. window.RTCPeerConnection.prototype._updateConnectionState = function() { var self = this; var newState; var states = { 'new': 0, closed: 0, connecting: 0, checking: 0, connected: 0, completed: 0, failed: 0 }; this.transceivers.forEach(function(transceiver) { states[transceiver.iceTransport.state]++; states[transceiver.dtlsTransport.state]++; }); // ICETransport.completed and connected are the same for this purpose. states['connected'] += states['completed']; newState = 'new'; if (states['failed'] > 0) { newState = 'failed'; } else if (states['connecting'] > 0 || states['checking'] > 0) { newState = 'connecting'; } else if (states['disconnected'] > 0) { newState = 'disconnected'; } else if (states['new'] > 0) { newState = 'new'; } else if (states['connecting'] > 0 || states['completed'] > 0) { newState = 'connected'; } if (newState !== self.iceConnectionState) { self.iceConnectionState = newState; var event = new Event('iceconnectionstatechange'); this.dispatchEvent(event); if (this.oniceconnectionstatechange !== null) { this.oniceconnectionstatechange(event); } } }; window.RTCPeerConnection.prototype.createOffer = function() { var self = this; if (this._pendingOffer) { throw new Error('createOffer called while there is a pending offer.'); } var offerOptions; if (arguments.length === 1 && typeof arguments[0] !== 'function') { offerOptions = arguments[0]; } else if (arguments.length === 3) { offerOptions = arguments[2]; } var tracks = []; var numAudioTracks = 0; var numVideoTracks = 0; // Default to sendrecv. if (this.localStreams.length) { numAudioTracks = this.localStreams[0].getAudioTracks().length; numVideoTracks = this.localStreams[0].getVideoTracks().length; } // Determine number of audio and video tracks we need to send/recv. if (offerOptions) { // Reject Chrome legacy constraints. if (offerOptions.mandatory || offerOptions.optional) { throw new TypeError( 'Legacy mandatory/optional constraints not supported.'); } if (offerOptions.offerToReceiveAudio !== undefined) { numAudioTracks = offerOptions.offerToReceiveAudio; } if (offerOptions.offerToReceiveVideo !== undefined) { numVideoTracks = offerOptions.offerToReceiveVideo; } } if (this.localStreams.length) { // Push local streams. this.localStreams[0].getTracks().forEach(function(track) { tracks.push({ kind: track.kind, track: track, wantReceive: track.kind === 'audio' ? numAudioTracks > 0 : numVideoTracks > 0 }); if (track.kind === 'audio') { numAudioTracks--; } else if (track.kind === 'video') { numVideoTracks--; } }); } // Create M-lines for recvonly streams. while (numAudioTracks > 0 || numVideoTracks > 0) { if (numAudioTracks > 0) { tracks.push({ kind: 'audio', wantReceive: true }); numAudioTracks--; } if (numVideoTracks > 0) { tracks.push({ kind: 'video', wantReceive: true }); numVideoTracks--; } } var sdp = SDPUtils.writeSessionBoilerplate(); var transceivers = []; tracks.forEach(function(mline, sdpMLineIndex) { // For each track, create an ice gatherer, ice transport, dtls transport, // potentially rtpsender and rtpreceiver. var track = mline.track; var kind = mline.kind; var mid = SDPUtils.generateIdentifier(); var transports = self._createIceAndDtlsTransports(mid, sdpMLineIndex); var localCapabilities = RTCRtpSender.getCapabilities(kind); var rtpSender; var rtpReceiver; // generate an ssrc now, to be used later in rtpSender.send var sendSsrc = (2 * sdpMLineIndex + 1) * 1001; if (track) { rtpSender = new RTCRtpSender(track, transports.dtlsTransport); } if (mline.wantReceive) { rtpReceiver = new RTCRtpReceiver(transports.dtlsTransport, kind); } transceivers[sdpMLineIndex] = { iceGatherer: transports.iceGatherer, iceTransport: transports.iceTransport, dtlsTransport: transports.dtlsTransport, localCapabilities: localCapabilities, remoteCapabilities: null, rtpSender: rtpSender, rtpReceiver: rtpReceiver, kind: kind, mid: mid, sendSsrc: sendSsrc, recvSsrc: null }; var transceiver = transceivers[sdpMLineIndex]; sdp += SDPUtils.writeMediaSection(transceiver, transceiver.localCapabilities, 'offer', self.localStreams[0]); }); this._pendingOffer = transceivers; var desc = new RTCSessionDescription({ type: 'offer', sdp: sdp }); if (arguments.length && typeof arguments[0] === 'function') { window.setTimeout(arguments[0], 0, desc); } return Promise.resolve(desc); }; window.RTCPeerConnection.prototype.createAnswer = function() { var self = this; var answerOptions; if (arguments.length === 1 && typeof arguments[0] !== 'function') { answerOptions = arguments[0]; } else if (arguments.length === 3) { answerOptions = arguments[2]; } var sdp = SDPUtils.writeSessionBoilerplate(); this.transceivers.forEach(function(transceiver) { // Calculate intersection of capabilities. var commonCapabilities = self._getCommonCapabilities( transceiver.localCapabilities, transceiver.remoteCapabilities); sdp += SDPUtils.writeMediaSection(transceiver, commonCapabilities, 'answer', self.localStreams[0]); }); var desc = new RTCSessionDescription({ type: 'answer', sdp: sdp }); if (arguments.length && typeof arguments[0] === 'function') { window.setTimeout(arguments[0], 0, desc); } return Promise.resolve(desc); }; window.RTCPeerConnection.prototype.addIceCandidate = function(candidate) { var mLineIndex = candidate.sdpMLineIndex; if (candidate.sdpMid) { for (var i = 0; i < this.transceivers.length; i++) { if (this.transceivers[i].mid === candidate.sdpMid) { mLineIndex = i; break; } } } var transceiver = this.transceivers[mLineIndex]; if (transceiver) { var cand = Object.keys(candidate.candidate).length > 0 ? SDPUtils.parseCandidate(candidate.candidate) : {}; // Ignore Chrome's invalid candidates since Edge does not like them. if (cand.protocol === 'tcp' && cand.port === 0) { return; } // Ignore RTCP candidates, we assume RTCP-MUX. if (cand.component !== '1') { return; } // A dirty hack to make samples work. if (cand.type === 'endOfCandidates') { cand = {}; } transceiver.iceTransport.addRemoteCandidate(cand); // update the remoteDescription. var sections = SDPUtils.splitSections(this.remoteDescription.sdp); sections[mLineIndex + 1] += (cand.type ? candidate.candidate.trim() : 'a=end-of-candidates') + '\r\n'; this.remoteDescription.sdp = sections.join(''); } if (arguments.length > 1 && typeof arguments[1] === 'function') { window.setTimeout(arguments[1], 0); } return Promise.resolve(); }; window.RTCPeerConnection.prototype.getStats = function() { var promises = []; this.transceivers.forEach(function(transceiver) { ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport', 'dtlsTransport'].forEach(function(method) { if (transceiver[method]) { promises.push(transceiver[method].getStats()); } }); }); var cb = arguments.length > 1 && typeof arguments[1] === 'function' && arguments[1]; return new Promise(function(resolve) { var results = {}; Promise.all(promises).then(function(res) { res.forEach(function(result) { Object.keys(result).forEach(function(id) { results[id] = result[id]; }); }); if (cb) { window.setTimeout(cb, 0, results); } resolve(results); }); }); }; }, // Attach a media stream to an element. attachMediaStream: function(element, stream) { logging('DEPRECATED, attachMediaStream will soon be removed.'); element.srcObject = stream; }, reattachMediaStream: function(to, from) { logging('DEPRECATED, reattachMediaStream will soon be removed.'); to.srcObject = from.srcObject; } } // Expose public methods. module.e = { shimPeerConnection: edgeShim.shimPeerConnection, attachMediaStream: edgeShim.attachMediaStream, reattachMediaStream: edgeShim.reattachMediaStream } /***/ }, /* 189 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; var logging = __webpack_require__(0).log; var browserDetails = __webpack_require__(0).browserDetails; var firefoxShim = { shimOnTrack: function() { if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) { Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', { get: function() { return this._ontrack; }, set: function(f) { var self = this; if (this._ontrack) { this.removeEventListener('track', this._ontrack); this.removeEventListener('addstream', this._ontrackpoly); } this.addEventListener('track', this._ontrack = f); this.addEventListener('addstream', this._ontrackpoly = function(e) { e.stream.getTracks().forEach(function(track) { var event = new Event('track'); event.track = track; event.receiver = {track: track}; event.streams = [e.stream]; this.dispatchEvent(event); }.bind(this)); }.bind(this)); } }); } }, shimSourceObject: function() { // Firefox has supported mozSrcObject since FF22, unprefixed in 42. if (typeof window === 'object') { if (window.HTMLMediaElement && !('srcObject' in window.HTMLMediaElement.prototype)) { // Shim the srcObject property, once, when HTMLMediaElement is found. Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', { get: function() { return this.mozSrcObject; }, set: function(stream) { this.mozSrcObject = stream; } }); } } }, shimPeerConnection: function() { // The RTCPeerConnection object. if (!window.RTCPeerConnection) { window.RTCPeerConnection = function(pcConfig, pcConstraints) { if (browserDetails.version < 38) { // .urls is not supported in FF < 38. // create RTCIceServers with a single url. if (pcConfig && pcConfig.iceServers) { var newIceServers = []; for (var i = 0; i < pcConfig.iceServers.length; i++) { var server = pcConfig.iceServers[i]; if (server.hasOwnProperty('urls')) { for (var j = 0; j < server.urls.length; j++) { var newServer = { url: server.urls[j] }; if (server.urls[j].indexOf('turn') === 0) { newServer.username = server.username; newServer.credential = server.credential; } newIceServers.push(newServer); } } else { newIceServers.push(pcConfig.iceServers[i]); } } pcConfig.iceServers = newIceServers; } } return new mozRTCPeerConnection(pcConfig, pcConstraints); // jscs:ignore requireCapitalizedConstructors }; window.RTCPeerConnection.prototype = mozRTCPeerConnection.prototype; // wrap static methods. Currently just generateCertificate. if (mozRTCPeerConnection.generateCertificate) { Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', { get: function() { if (arguments.length) { return mozRTCPeerConnection.generateCertificate.apply(null, arguments); } else { return mozRTCPeerConnection.generateCertificate; } } }); } window.RTCSessionDescription = mozRTCSessionDescription; window.RTCIceCandidate = mozRTCIceCandidate; } }, shimGetUserMedia: function() { // getUserMedia constraints shim. var getUserMedia_ = function(constraints, onSuccess, onError) { var constraintsToFF37_ = function(c) { if (typeof c !== 'object' || c.require) { return c; } var require = []; Object.keys(c).forEach(function(key) { if (key === 'require' || key === 'advanced' || key === 'mediaSource') { return; } var r = c[key] = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]}; if (r.min !== undefined || r.max !== undefined || r.exact !== undefined) { require.push(key); } if (r.exact !== undefined) { if (typeof r.exact === 'number') { r. min = r.max = r.exact; } else { c[key] = r.exact; } delete r.exact; } if (r.ideal !== undefined) { c.advanced = c.advanced || []; var oc = {}; if (typeof r.ideal === 'number') { oc[key] = {min: r.ideal, max: r.ideal}; } else { oc[key] = r.ideal; } c.advanced.push(oc); delete r.ideal; if (!Object.keys(r).length) { delete c[key]; } } }); if (require.length) { c.require = require; } return c; }; if (browserDetails.version < 38) { logging('spec: ' + JSON.stringify(constraints)); if (constraints.audio) { constraints.audio = constraintsToFF37_(constraints.audio); } if (constraints.video) { constraints.video = constraintsToFF37_(constraints.video); } logging('ff37: ' + JSON.stringify(constraints)); } return navigator.mozGetUserMedia(constraints, onSuccess, onError); }; navigator.getUserMedia = getUserMedia_; // Returns the result of getUserMedia as a Promise. var getUserMediaPromise_ = function(constraints) { return new Promise(function(resolve, reject) { navigator.getUserMedia(constraints, resolve, reject); }); } // Shim for mediaDevices on older versions. if (!navigator.mediaDevices) { navigator.mediaDevices = {getUserMedia: getUserMediaPromise_, addEventListener: function() { }, removeEventListener: function() { } }; } navigator.mediaDevices.enumerateDevices = navigator.mediaDevices.enumerateDevices || function() { return new Promise(function(resolve) { var infos = [ {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''}, {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''} ]; resolve(infos); }); }; if (browserDetails.version < 41) { // Work around http://bugzil.la/1169665 var orgEnumerateDevices = navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices); navigator.mediaDevices.enumerateDevices = function() { return orgEnumerateDevices().then(undefined, function(e) { if (e.name === 'NotFoundError') { return []; } throw e; }); }; } }, // Attach a media stream to an element. attachMediaStream: function(element, stream) { logging('DEPRECATED, attachMediaStream will soon be removed.'); element.srcObject = stream; }, reattachMediaStream: function(to, from) { logging('DEPRECATED, reattachMediaStream will soon be removed.'); to.srcObject = from.srcObject; } } // Expose public methods. module.e = { shimOnTrack: firefoxShim.shimOnTrack, shimSourceObject: firefoxShim.shimSourceObject, shimPeerConnection: firefoxShim.shimPeerConnection, shimGetUserMedia: __webpack_require__(190), attachMediaStream: firefoxShim.attachMediaStream, reattachMediaStream: firefoxShim.reattachMediaStream } /***/ }, /* 190 */ /***/ function(module, exports, __webpack_require__) { /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ 'use strict'; var logging = __webpack_require__(0).log; var browserDetails = __webpack_require__(0).browserDetails; // Expose public methods. module.e = function() { // getUserMedia constraints shim. var getUserMedia_ = function(constraints, onSuccess, onError) { var constraintsToFF37_ = function(c) { if (typeof c !== 'object' || c.require) { return c; } var require = []; Object.keys(c).forEach(function(key) { if (key === 'require' || key === 'advanced' || key === 'mediaSource') { return; } var r = c[key] = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]}; if (r.min !== undefined || r.max !== undefined || r.exact !== undefined) { require.push(key); } if (r.exact !== undefined) { if (typeof r.exact === 'number') { r. min = r.max = r.exact; } else { c[key] = r.exact; } delete r.exact; } if (r.ideal !== undefined) { c.advanced = c.advanced || []; var oc = {}; if (typeof r.ideal === 'number') { oc[key] = {min: r.ideal, max: r.ideal}; } else { oc[key] = r.ideal; } c.advanced.push(oc); delete r.ideal; if (!Object.keys(r).length) { delete c[key]; } } }); if (require.length) { c.require = require; } return c; }; if (browserDetails.version < 38) { logging('spec: ' + JSON.stringify(constraints)); if (constraints.audio) { constraints.audio = constraintsToFF37_(constraints.audio); } if (constraints.video) { constraints.video = constraintsToFF37_(constraints.video); } logging('ff37: ' + JSON.stringify(constraints)); } return navigator.mozGetUserMedia(constraints, onSuccess, onError); }; navigator.getUserMedia = getUserMedia_; // Returns the result of getUserMedia as a Promise. var getUserMediaPromise_ = function(constraints) { return new Promise(function(resolve, reject) { navigator.getUserMedia(constraints, resolve, reject); }); } // Shim for mediaDevices on older versions. if (!navigator.mediaDevices) { navigator.mediaDevices = {getUserMedia: getUserMediaPromise_, addEventListener: function() { }, removeEventListener: function() { } }; } navigator.mediaDevices.enumerateDevices = navigator.mediaDevices.enumerateDevices || function() { return new Promise(function(resolve) { var infos = [ {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''}, {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''} ]; resolve(infos); }); }; if (browserDetails.version < 41) { // Work around http://bugzil.la/1169665 var orgEnumerateDevices = navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices); navigator.mediaDevices.enumerateDevices = function() { return orgEnumerateDevices().then(undefined, function(e) { if (e.name === 'NotFoundError') { return []; } throw e; }); }; } } /***/ }, /* 191 */ /***/ function(module, exports) { module.e = __WEBPACK_EXTERNAL_MODULE_191__; /***/ }, /* 192 */ /***/ function(module, exports) { module.e = __WEBPACK_EXTERNAL_MODULE_192__; /***/ }, /* 193 */ /***/ function(module, exports) { module.e = __WEBPACK_EXTERNAL_MODULE_193__; /***/ }, /* 194 */ /***/ function(module, exports, __webpack_require__) { module.e = __webpack_require__(67); /***/ } /******/ ]) }); ; //# sourceMappingURL=quagga.js.map