29 lines
864 B
TypeScript
29 lines
864 B
TypeScript
import {UIEventSource} from "../UIEventSource";
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/**
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* UIEventsource-wrapper around localStorage
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*/
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export class LocalStorageSource {
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static Get(key: string, defaultValue: string = undefined): UIEventSource<string> {
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try {
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const saved = localStorage.getItem(key);
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const source = new UIEventSource<string>(saved ?? defaultValue, "localstorage:"+key);
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source.addCallback((data) => {
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try{
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localStorage.setItem(key, data);
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}catch(e){
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// Probably exceeded the quota with this item!
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// Lets nuke everything
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localStorage.clear()
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}
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});
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return source;
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} catch (e) {
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return new UIEventSource<string>(defaultValue);
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}
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}
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}
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