mirror of https://github.com/Chocobozzz/PeerTube
47 lines
920 B
TypeScript
47 lines
920 B
TypeScript
import { Injectable } from '@angular/core';
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export type InternalStateType = {
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[key: string]: any
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};
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@Injectable()
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export class AppState {
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public _state: InternalStateType = { };
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/**
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* Already return a clone of the current state.
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*/
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public get state() {
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return this._state = this._clone(this._state);
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}
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/**
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* Never allow mutation
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*/
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public set state(value) {
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throw new Error('do not mutate the `.state` directly');
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}
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public get(prop?: any) {
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/**
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* Use our state getter for the clone.
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*/
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const state = this.state;
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return state.hasOwnProperty(prop) ? state[prop] : state;
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}
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public set(prop: string, value: any) {
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/**
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* Internally mutate our state.
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*/
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return this._state[prop] = value;
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}
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private _clone(object: InternalStateType) {
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/**
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* Simple object clone.
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*/
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return JSON.parse(JSON.stringify( object ));
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}
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}
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