plyr/src/js/storage.js
2018-01-07 23:16:55 +11:00

72 lines
1.8 KiB
JavaScript

// ==========================================================================
// Plyr storage
// ==========================================================================
import utils from './utils';
class Storage {
constructor(player) {
this.enabled = player.config.storage.enabled;
this.key = player.config.storage.key;
}
// Check for actual support (see if we can use it)
static get supported() {
if (!('localStorage' in window)) {
return false;
}
const test = '___test';
// Try to use it (it might be disabled, e.g. user is in private mode)
// see: https://github.com/sampotts/plyr/issues/131
try {
window.localStorage.setItem(test, test);
window.localStorage.removeItem(test);
return true;
} catch (e) {
return false;
}
}
get(key) {
const store = window.localStorage.getItem(this.key);
if (!Storage.supported || utils.is.empty(store)) {
return null;
}
const json = JSON.parse(store);
return utils.is.string(key) && key.length ? json[key] : json;
}
set(object) {
// Bail if we don't have localStorage support or it's disabled
if (!Storage.supported || !this.enabled) {
return;
}
// Can only store objectst
if (!utils.is.object(object)) {
return;
}
// Get current storage
let storage = this.get();
// Default to empty object
if (utils.is.empty(storage)) {
storage = {};
}
// Update the working copy of the values
utils.extend(storage, object);
// Update storage
window.localStorage.setItem(this.key, JSON.stringify(storage));
}
}
export default Storage;