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ngxs ctx.resetState
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| import { SetState } from './tmpState.actions'; | |
| import { State, Action } from '@ngxs/store'; | |
| let myDefaults: any; | |
| // get default state | |
| const stateHandler = { | |
| apply: function (target, thisArg, argumentsList) { | |
| myDefaults = argumentsList[0].defaults; | |
| return target.apply(thisArg, argumentsList); | |
| } | |
| } | |
| // patch actual method call | |
| const methodHandler = { | |
| apply: function (target, thisArg, argumentsList) { | |
| const setState = argumentsList[0].setState; | |
| argumentsList[0].resetState = function () { | |
| setState(myDefaults); | |
| }; | |
| return target.apply(thisArg, argumentsList); | |
| } | |
| } | |
| // patch decorator method extractor | |
| const reducerHandler = { | |
| apply: function (target, thisArg, argumentsList) { | |
| const fn = argumentsList[2].value; | |
| // patch method call | |
| argumentsList[2].value = new Proxy(fn, methodHandler); | |
| return target.apply(thisArg, argumentsList); | |
| } | |
| }; | |
| // patch decorator call | |
| const decoratorHandler = { | |
| apply: function (target, thisArg, argumentsList) { | |
| return new Proxy(target.apply(thisArg, argumentsList), reducerHandler); | |
| } | |
| }; | |
| const ProxyState = new Proxy(State, stateHandler); | |
| const ProxyAction = new Proxy(Action, decoratorHandler); | |
| @ProxyState<string[]>({ | |
| name: 'state', | |
| defaults: [], | |
| }) | |
| export class TmpState { | |
| @ProxyAction(SetState) | |
| setState(ctx: any, action: SetState) { | |
| ctx.resetState(); | |
| } | |
| } |
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