blob: a7eb880a498f4cd94a366f15e7533022eb8387ee (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
import { Injectable } from '@angular/core';
export type InternalStateType = {
[key: string]: any
};
@Injectable()
export class AppState {
public _state: InternalStateType = { };
/**
* Already return a clone of the current state.
*/
public get state() {
return this._state = this._clone(this._state);
}
/**
* Never allow mutation
*/
public set state(value) {
throw new Error('do not mutate the `.state` directly');
}
public get(prop?: any) {
/**
* Use our state getter for the clone.
*/
const state = this.state;
return state.hasOwnProperty(prop) ? state[prop] : state;
}
public set(prop: string, value: any) {
/**
* Internally mutate our state.
*/
return this._state[prop] = value;
}
private _clone(object: InternalStateType) {
/**
* Simple object clone.
*/
return JSON.parse(JSON.stringify( object ));
}
}
|
