39 lines
859 B
JavaScript
39 lines
859 B
JavaScript
export default class LocalStorage {
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constructor(types) {
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this._types = types;
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this._state = {};
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Object.keys(types).forEach((k) => {
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this._state[k] = null;
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});
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}
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state() {
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Object.keys(this._types).forEach((k) => {
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const v = localStorage.getItem(k);
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this._state[k] = v;
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if (v !== null) {
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try {
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const p = new this._types[k](JSON.parse(v));
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this._state[k] = p;
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} catch (e) {
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localStorage.removeItem(k);
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}
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}
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});
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return this._state;
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}
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sync(state) {
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Object.keys(this._types).forEach((k) => {
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const v = state[k];
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if (v === null) {
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localStorage.removeItem(k);
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return;
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}
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if (this._state[k] !== v) {
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this._state[k] = v;
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localStorage.setItem(k, JSON.stringify(v));
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}
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});
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}
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}
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