0.3.1

chore: add unpkg browser field
0.3.0
2026-08-13 21:12:02 +08:00 · 2022-05-29 12:07:49 +08:00 · 2022-05-29 12:07:37 +08:00 · 2022-05-29 11:23:48 +08:00 · 2022-05-29 11:23:04 +08:00 · 2022-05-29 11:04:57 +08:00
13 changed files with 200 additions and 181 deletions
@@ -9,3 +9,5 @@ tsconfig.tsbuildinfo
 coverage
 yarn.lock
 .rpt2_cache
+
+demo/lib/index.min.js
@@ -20,3 +20,10 @@ tsconfig.json
 tsconfig.base.json
 .rpt2_cache
 .vscode
+/demo
+/doc
+/scripts
+tslint.json
+yarn-error.log
+.babelrc
+yarn.lock
@@ -1,7 +1,8 @@
 # [qrcode-decoder](https://github.com/yugasun/qrcode-decoder)

-[![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/yugasun/qrcode-decoder/blob/master/LICENSE)
+[![npm](https://img.shields.io/npm/v/qrcode-decoder)](http://www.npmtrends.com/qrcode-decoder)
 [![NPM downloads](http://img.shields.io/npm/dm/qrcode-decoder.svg?style=flat-square)](http://www.npmtrends.com/qrcode-decoder)
+[![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/yugasun/qrcode-decoder/blob/master/LICENSE)

 [简体中文](./README.zh-CN.md) | English

@@ -1,7 +1,8 @@
 # [qrcode-decoder](https://github.com/yugasun/qrcode-decoder)

-[![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/yugasun/qrcode-decoder/blob/master/LICENSE)
+[![npm](https://img.shields.io/npm/v/qrcode-decoder)](http://www.npmtrends.com/qrcode-decoder)
 [![NPM downloads](http://img.shields.io/npm/dm/qrcode-decoder.svg?style=flat-square)](http://www.npmtrends.com/qrcode-decoder)
+[![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/yugasun/qrcode-decoder/blob/master/LICENSE)

 简体中文 | [English](./README.md)

@@ -1,45 +1,54 @@
 <!DOCTYPE html>
 <html>
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
-    <title>QrcodeDecoder - Camera</title>
-  </head>
-  <body>
-    <button id="start">Start</button> <button id="stop">Stop</button><br />
-    <span id="result">Click start to scan qrcode.</span><br />
-    <hr />
-    <video id="video" autoplay></video>

-    <script src="./lib/vconsole.min.js"></script>
-    <script src="./index.min.js"></script>
-    <script type="text/javascript">
-      var vConsole = new VConsole();
-      console.log('Hello world');
-      function main() {
-        var qr = new QrcodeDecoder();
-        var video = document.querySelector('#video');
-        var start = document.querySelector('#start');
-        var stop = document.querySelector('#stop');
-        var result = document.querySelector('#result');
-        async function startScan() {
-          if (!qr.isCanvasSupported()) {
-            alert("Your browser doesn't match the required specs.");
-            throw new Error('Canvas and getUserMedia are required');
-          }
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+  <title>QrcodeDecoder - Camera</title>
+</head>

-          let code = await qr.decodeFromCamera(video);
-          console.log('code', code);
-          result.innerText = 'Result: ' + code.data;
+<body>
+  <button id="start">Start</button> <button id="stop">Stop</button><br />
+  <span id="result">Click start to scan qrcode.</span><br />
+  <hr />
+  <video id="video" autoplay></video>
+
+  <script src="./lib/vconsole.min.js"></script>
+  <script src="./lib/index.min.js"></script>
+  <script type="text/javascript">
+    var vConsole = new VConsole();
+    console.log('Hello world');
+    function main() {
+      var qr = new QrcodeDecoder();
+      var video = document.querySelector('#video');
+      var start = document.querySelector('#start');
+      var stop = document.querySelector('#stop');
+      var result = document.querySelector('#result');
+      async function startScan() {
+        if (!qr.isCanvasSupported()) {
+          alert("Your browser doesn't match the required specs.");
+          throw new Error('Canvas and getUserMedia are required');
        }
-        start.onclick = startScan;

-        stop.onclick = function() {
-          qr.stop();
-        };
+        let code = await qr.decodeFromCamera(video,
+          // you can customize your camera size like below
+          // {
+          //   width: 400,
+          //   height: 400,
+          // }
+        );
+        console.log('code', code);
+        result.innerText = 'Result: ' + code.data;
      }
-      main();
-    </script>
-  </body>
+      start.onclick = startScan;
+
+      stop.onclick = function () {
+        qr.stop();
+      };
+    }
+    main();
+  </script>
+</body>
+
 </html>
@@ -1,61 +1,66 @@
 <!DOCTYPE html>
 <html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
-    <title>QrcodeDecoder - Image</title>
-  </head>
-  <body>
-    <section>
-      <h3>Same domain image</h3>
-      <img src="./assets/qrcode.png" alt="qr code" /><br />
-      <button id="decode1">Decode!</button><br />
-      <span id="result1"></span><br />
-    </section>
-    <hr />
-    <section>
-      <h3>Different domain image</h3>
-      <button id="decode2">Decode!</button><br />
-      <span id="result2"></span><br />
-    </section>
-    <script src="./lib/vconsole.min.js"></script>
-    <script src="./index.min.js"></script>
-    <script src="./index.min.js"></script>
-    <script type="module">
-      var vConsole = new VConsole();
-      console.log('Hello world');
-      function main() {
-        var qr = new QrcodeDecoder();

-        var btn1 = document.querySelector('button#decode1');
-        var btn2 = document.querySelector('button#decode2');
-        var result1 = document.querySelector('#result1');
-        var result2 = document.querySelector('#result2');
-        var img = document.querySelector('img');
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+  <title>QrcodeDecoder - Image</title>
+</head>

-        btn1.onclick = async () => {
-          // you can also decode from image path
-          // const code = await qr.decodeFromImage('./assets/qrcode.png');
-          const code = await qr.decodeFromImage(img);
-          console.log(code);
-          result1.innerText = code.data;
-        };
+<body>
+  <section>
+    <h3>Same domain image</h3>
+    <img id="img1" src="./assets/qrcode.png" alt="qr code" /><br />
+    <button id="decode1">Decode!</button><br />
+    <span id="result1"></span><br />
+  </section>
+  <hr />
+  <section>
+    <h3>Different domain image</h3>
+    <input
+      id="img2"
+      value="https://yugasun.com/static/wechat.jpg"
+      style="width: 400px" /><br />
+    <button id="decode2">Decode!</button><br />
+    <span id="result2"></span><br />
+  </section>
+  <script src="./lib/vconsole.min.js"></script>
+  <script src="./lib/index.min.js"></script>
+  <script type="module">
+    var vConsole = new VConsole();
+    function main() {
+      var qr = new QrcodeDecoder();

-        btn2.onclick = async () => {
-          // you can also decode from image path
-          // const code = await qr.decodeFromImage('./assets/qrcode.png');
-          const code = await qr.decodeFromImage(
-            'https://yugasun.com/static/wechat.jpg',
-            {
-              crossOrigin: 'anonymous',
-            },
-          );
-          console.log(code);
-          result2.innerText = code.data;
-        };
-      }
+      var btn1 = document.querySelector('button#decode1');
+      var btn2 = document.querySelector('button#decode2');
+      var result1 = document.querySelector('#result1');
+      var result2 = document.querySelector('#result2');
+      var img1 = document.querySelector('#img1');
+      var img2 = document.querySelector('#img2');
+
+      btn1.onclick = async () => {
+        // you can also decode from image path
+        // const code = await qr.decodeFromImage('./assets/qrcode.png');
+        const code = await qr.decodeFromImage(img1);
+        console.log(code);
+        result1.innerText = code.data;
+      };
+
+      btn2.onclick = async () => {
+        // you can also decode from image path
+        // const code = await qr.decodeFromImage('./assets/qrcode.png');
+        const code = await qr.decodeFromImage(img2.value, {
+          crossOrigin: 'anonymous',
+        });
+        console.log(code);
+        result2.innerText = code.data;
+      };
+    }
+    window.onload = () => {
      main();
-    </script>
-  </body>
+    };
+  </script>
+</body>
+
 </html>
@@ -1,43 +1,45 @@
 <!DOCTYPE html>
 <html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
-    <title>QrcodeDecoder - Video</title>
-  </head>
-  <body>
-    <button id="start">Start</button> <button id="stop">Stop</button><br />
-    <span id="result">Click start to scan qrcode.</span><br />

-    <video src="./assets/qrcode-video.mp4"></video>
-    <script src="./lib/vconsole.min.js"></script>
-    <script src="./index.min.js"></script>
-    <script type="text/javascript">
-      var vConsole = new VConsole();
-      console.log('Hello world');
-      function main() {
-        var video = document.querySelector('video');
-        var result = document.querySelector('#result');
-        var start = document.querySelector('#start');
-        var stop = document.querySelector('#stop');
-        var qr = new QrcodeDecoder();
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+  <title>QrcodeDecoder - Video</title>
+</head>

-        start.onclick = startScan;
+<body>
+  <button id="start">Start</button> <button id="stop">Stop</button><br />
+  <span id="result">Click start to scan qrcode.</span><br />

-        stop.onclick = function() {
-          qr.stop();
-          video.pause();
-        };
+  <video src="./assets/qrcode-video.mp4"></video>
+  <script src="./lib/vconsole.min.js"></script>
+  <script src="./lib/index.min.js"></script>
+  <script type="text/javascript">
+    var vConsole = new VConsole();
+    function main() {
+      var video = document.querySelector('video');
+      var result = document.querySelector('#result');
+      var start = document.querySelector('#start');
+      var stop = document.querySelector('#stop');
+      var qr = new QrcodeDecoder();

-        async function startScan() {
-          video.play();
-          const code = await qr.decodeFromVideo(video);
-          console.log('code', code);
-          result.innerText = 'Result: ' + code.data;
-        }
+      start.onclick = startScan;
+
+      stop.onclick = function () {
+        qr.stop();
+        video.pause();
+      };
+
+      async function startScan() {
+        video.play();
+        const code = await qr.decodeFromVideo(video);
+        console.log('code', code);
+        result.innerText = 'Result: ' + code.data;
      }
-      main();
-    </script>
-  </body>
+    }
+    main();
+  </script>
+</body>
+
 </html>
@@ -1,8 +1,11 @@
 {
  "name": "qrcode-decoder",
-  "version": "0.1.3",
+  "version": "0.3.1",
  "description": "Tool for decoding qrcode",
  "main": "dist/index.js",
+  "browser": "dist/index.min.js",
+  "unpkg": "dist/index.min.js",
+  "module": "dist/index.esm.js",
  "sideEffects": false,
  "scripts": {
    "build": "ts-node -P scripts/tsconfig.json scripts/bundle.ts umd,esm,aio && npm run copy-file",
@@ -10,9 +13,10 @@
    "prettier:fix": "prettier --write '**/*.{ts,tsx,md}' --config .prettierrc",
    "test": "jest",
    "codecov": "jest --coverage && codecov",
-    "copy-file": "cp dist/index.min.js demo/",
+    "copy-file": "cp dist/index.min.js demo/lib",
    "release": "git commit -am $npm_package_version && git tag $npm_package_version && git push && git push --tags",
-    "deploy": "gh-pages -d demo --remote origin"
+    "pages": "gh-pages -d demo --remote origin",
+    "demo": "http-server demo -c-1"
  },
  "husky": {
    "hooks": {
@@ -54,11 +58,13 @@
    "codecov": "^3.8.1",
    "cross-env": "^6.0.3",
    "fancy-log": "^1.3.3",
+    "gh-pages": "^3.1.0",
+    "http-server": "^14.1.0",
    "husky": "^3.0.9",
    "jest": "^24.9.0",
    "lint-staged": "^9.5.0",
    "prettier": "^1.18.2",
-    "rolllup": "^2.38.1",
+    "rollup": "^2.38.1",
    "rollup-plugin-commonjs": "^8.3.0",
    "rollup-plugin-json": "^3.1.0",
    "rollup-plugin-node-builtins": "^2.1.2",
@@ -86,6 +92,6 @@
  },
  "homepage": "https://github.com/yugasun/qrcode-decoder#readme",
  "dependencies": {
-    "jsqr": "^1.3.1"
+    "jsqr": "^1.4.0"
  }
 }
@@ -20,16 +20,6 @@ const plugins: rollup.Plugin[] = [
  commonjs(),
  typescript2({
    tsconfig: path.join(__dirname, '..', 'tsconfig.json'),
-    typescript: ts, // ensure we're using the same typescript (3.x) for rollup as for regular builds etc
-    tsconfigOverride: {
-      module: 'esnext',
-      stripInternal: true,
-      emitDeclarationOnly: false,
-      composite: false,
-      declaration: false,
-      declarationMap: false,
-      sourceMap: false,
-    },
  }),
 ];

@@ -77,7 +67,7 @@ async function bundleAio() {
      uglify({
        compress: {
          drop_debugger: true,
-          drop_console: true,
+          drop_console: false,
        },
      }),
    ],
@@ -86,7 +76,7 @@ async function bundleAio() {
    file: 'dist/index.min.js',
    name: 'QrcodeDecoder',
    format: 'iife',
-    sourcemap: false,
+    sourcemap: true,
  });
 }

@@ -1,6 +1,11 @@
 import { Options } from 'jsqr';
 import jsQR from 'jsqr';

+const videoSize = {
+  width: { min: 360, ideal: 720, max: 1080 },
+  height: { min: 360, ideal: 720, max: 1080 },
+};
+
 class QrcodeDecoder {
  timerCapture: null | NodeJS.Timeout;
  canvasElem: null | HTMLCanvasElement;
@@ -19,7 +24,8 @@ class QrcodeDecoder {
    this.videoElem = null;
    this.getUserMediaHandler = null;
    this.videoConstraints = {
-      video: true,
+      // default use rear camera
+      video: { ...videoSize, facingMode: { exact: 'environment' } },
      audio: false,
    };

@@ -149,7 +155,7 @@ class QrcodeDecoder {
   *  inversionAttempts - (attemptBoth (default), dontInvert, onlyInvert, or invertFirst)
   *  refer to jsqr options: https://github.com/cozmo/jsQR
   */
-  async decodeFromCamera(videoElem: HTMLVideoElement, options = {}) {
+  async decodeFromCamera(videoElem: HTMLVideoElement, options: any = {}) {
    const opts = {
      ...this.defaultOption,
      ...options,
@@ -160,10 +166,29 @@ class QrcodeDecoder {
      throw new Error("Couldn't get video from camera");
    }

+    let stream: MediaStream;
    try {
-      const stream = await navigator.mediaDevices.getUserMedia(
-        this.videoConstraints,
-      );
+      stream = await navigator.mediaDevices.getUserMedia(this.videoConstraints);
+    } catch (e) {
+      if ((e as OverconstrainedError).name === 'OverconstrainedError') {
+        console.log('[OverconstrainedError] Can not use rear camera.');
+
+        stream = await navigator.mediaDevices.getUserMedia({
+          video: {
+            ...videoSize,
+            ...{
+              width: opts.width,
+              height: opts.height,
+            },
+          },
+          audio: false,
+        });
+      } else {
+        throw e;
+      }
+    }
+
+    if (stream) {
      videoElem.srcObject = stream;
      // videoElem.src = window.URL.createObjectURL(stream);
      this.videoElem = videoElem;
@@ -171,8 +196,6 @@ class QrcodeDecoder {

      const code = await this.decodeFromVideo(videoElem, opts);
      return code;
-    } catch (e) {
-      throw e;
    }
  }

@@ -221,10 +244,10 @@ class QrcodeDecoder {
      imgDom = img;
    } else if (typeof img === 'string') {
      imgDom = document.createElement('img');
-      imgDom.src = img;
      if (options.crossOrigin) {
        imgDom.crossOrigin = options.crossOrigin;
      }
+      imgDom.src = img;
      const proms = () =>
        new Promise((resolve) => {
          imgDom!.onload = () => resolve(true);
@@ -1,24 +0,0 @@
-{
-  "compilerOptions": {
-    "rootDir": "src",
-    "outDir": "dist",
-    "baseUrl": ".",
-    "downlevelIteration": true,
-    "emitDecoratorMetadata": true,
-    "esModuleInterop": true,
-    "experimentalDecorators": true,
-    "preserveConstEnums": true,
-    "importHelpers": false,
-    "target": "es5",
-    "module": "commonjs",
-    "lib": ["es5", "es6", "dom"],
-    "moduleResolution": "node",
-    "sourceMap": false,
-    "paths": {
-      "*": ["typings/*", "includes/*"]
-    },
-    "resolveJsonModule": true,
-    "noUnusedLocals": true,
-    "strict": true
-  }
-}
@@ -1,5 +1,6 @@
 {
  "compilerOptions": {
+    "outDir": "dist",
    "baseUrl": ".",
    "composite": true,
    "declaration": true,
@@ -14,9 +15,6 @@
    "module": "ESNext",
    "moduleResolution": "node",
    "sourceMap": false,
-    "paths": {
-      "*": ["typings/*", "includes/*"]
-    },
    "resolveJsonModule": true,
    "noUnusedLocals": true,
    "strict": true,
Author	SHA1	Message	Date
yugasun	b9d89e0545	0.3.1	2022-05-29 12:07:49 +08:00
yugasun	aeee33ee6c	chore: add unpkg browser field	2022-05-29 12:07:37 +08:00
yugasun	a5cd17b951	0.3.0	2022-05-29 11:23:48 +08:00
yugasun	615081cc95	fix: support customize camera size	2022-05-29 11:23:04 +08:00
yugasun	7d77236fc0	fix: try to use rear camera by default	2022-05-29 11:04:57 +08:00
yugasun	8c80e312b3	0.2.2	2021-07-06 15:42:41 +08:00
yugasun	6ab5e80028	fix: remove unuse file	2021-07-06 15:42:28 +08:00
yugasun	05b1c0d310	0.2.1	2021-07-06 15:40:23 +08:00
Lőrik LeventeandGitHub	4161b77272	fix: re add module property (#16 ) * Fix typo * Fix require * Remove deprecated nextjs * Update package.json * Update package.json	2021-07-06 15:36:25 +08:00
yugasun	be1f6a980b	chore: fix tsconfig	2021-06-30 14:45:00 +08:00
yugasun	44737ddfe7	0.2.0	2021-05-19 10:46:47 +08:00
yugasun	032f9ba16a	chore: update deploy to pages	2021-05-19 10:41:53 +08:00
yugasun	d1a5b9de6b	chore: update demo	2021-05-19 10:40:00 +08:00
yugasun	fd6daa86a1	chore: fix deps	2021-05-12 20:52:14 +08:00
yugasun	b8d25e8969	docs: update readme	2021-05-12 20:29:45 +08:00
yugasun	455b0deb25	0.1.3	2021-05-12 20:26:35 +08:00
yugasun	d77b666da2	fix: crossOrigin on IOS, close #14	2021-05-12 20:26:14 +08:00