softkave-js-utils/build/promise/PromiseStore.js

JavaScript & Typescript utility functions, types, and classes

import { isPromise } from './isPromiseLike.js';
function generateId() {
    return `${Date.now()}-${Math.random()}`;
}
export class PromiseStore {
    constructor(logger = console) {
        this.logger = logger;
        this.promiseRecord = {};
        this.isClosed = false;
    }
    /** Returns a promise resolved when all the promises at the time of calling
     * are resolved. This does not include promises stored after this call. */
    async flush() {
        await Promise.allSettled(Object.values(this.promiseRecord));
    }
    /** Prevents addition of new promises. */
    close() {
        this.isClosed = true;
        return this;
    }
    isStoreClosed() {
        return this.isClosed;
    }
    callAndForget(fn) {
        this.assertNotClosed();
        const id = generateId();
        try {
            const p = fn();
            if (isPromise(p)) {
                this.promiseRecord[id] = p;
                p.catch(error => {
                    this.logger.error(error);
                }).finally(() => {
                    delete this.promiseRecord[id];
                });
            }
        }
        catch (error) {
            this.logger.error(error);
        }
    }
    assertNotClosed() {
        if (this.isClosed) {
            throw new Error('PromiseStore is closed');
        }
    }
}
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