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mark options as readonly

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This commit is contained in:
Bruno Windels 2022-05-09 14:12:31 +02:00
parent 3888291758
commit e903d3a6a4
1 changed files with 3 additions and 3 deletions
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6
src/domain/ViewModel.ts
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@ -40,9 +40,9 @@ export type Options = {
export class ViewModel<O extends Options = Options> extends EventEmitter<{change: never}> { export class ViewModel<O extends Options = Options> extends EventEmitter<{change: never}> {
private disposables?: Disposables; private disposables?: Disposables;
private _isDisposed = false; private _isDisposed = false;
private _options: O; private _options: Readonly<O>;
constructor(options: O) { constructor(options: Readonly<O>) {
super(); super();
this._options = options; this._options = options;
} }
@ -51,7 +51,7 @@ export class ViewModel<O extends Options = Options> extends EventEmitter<{change
return Object.assign({}, this._options, explicitOptions); return Object.assign({}, this._options, explicitOptions);
} }
get options(): O { return this._options; } get options(): Readonly<O> { return this._options; }
// makes it easier to pass through dependencies of a sub-view model // makes it easier to pass through dependencies of a sub-view model
getOption<N extends keyof O>(name: N): O[N] { getOption<N extends keyof O>(name: N): O[N] {