You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
quaggaJS/example/sandbox/src/utils/Storage.js

36 lines
853 B
JavaScript

function storageWrapper(cb) {
if (typeof window.localStorage !== 'undefined') {
return cb(window.localStorage);
} else {
console.log("localStorage not available");
}
}
export function persist(key, object) {
storageWrapper((storage) => {
storage.setItem(key, JSON.stringify(object));
});
};
export function push(key, object) {
storageWrapper((storage) => {
const item = storage.getItem() || "[]",
parsed = JSON.parse(item);
if (Array.isArray(parsed)) {
parsed.push(object);
storage.setItem(key, JSON.stringify(parsed));
}
});
}
export function load(key) {
return storageWrapper((storage) => {
const item = storage.getItem(key);
if (item) {
return JSON.parse(item);
}
return null;
});
}