29 lines
850 B
TypeScript
29 lines
850 B
TypeScript
export default class PersistentPromise {
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private readonly promise: Promise<any>;
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private promiseResolve: ((value?: any) => void) | undefined;
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private promiseReject: ((reason?: any) => void) | undefined;
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constructor(callback: (resolve: (value?: any) => void, reject: (reason?: any) => void) => void) {
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this.promise = new Promise((resolve, reject) => {
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callback(resolve, reject);
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this.promiseResolve = resolve;
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this.promiseReject = reject;
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});
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}
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resolve(value?: any): void {
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if (this.promiseResolve) {
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this.promiseResolve(value);
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}
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}
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reject(reason?: any): void {
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if (this.promiseReject) {
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this.promiseReject(reason);
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}
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}
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then(onfulfilled?: ((value: any) => any) | undefined | null, onrejected?: ((reason: any) => any) | undefined | null): Promise<any> {
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return this.promise.then(onfulfilled, onrejected);
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}
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} |