@beenotung/tslib/async/wait.js

utils library in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.runLater = exports.later = exports.wait = exports.waitFor = void 0;
const tslib_1 = require("tslib");
function waitFor(predictor, producer, interval = 0) {
    return tslib_1.__awaiter(this, void 0, void 0, function* () {
        return new Promise(resolve => {
            const check = () => {
                if (predictor()) {
                    resolve(producer());
                }
                else {
                    setTimeout(check, interval);
                }
            };
            check();
        });
    });
}
exports.waitFor = waitFor;
function wait(args) {
    return new Promise(resolve => {
        const check = 'for' in args
            ? () => {
                const result = args.for();
                if (result) {
                    resolve(result);
                    return;
                }
                setTimeout(check, args.interval);
            }
            : () => {
                const ready = args.when();
                if (ready) {
                    resolve(args.then());
                    return;
                }
                setTimeout(check, args.interval);
            };
        check();
    });
}
exports.wait = wait;
function later(delay = 0) {
    return tslib_1.__awaiter(this, void 0, void 0, function* () {
        return new Promise(resolve => setTimeout(resolve, delay));
    });
}
exports.later = later;
function runLater(f, delay = 0) {
    return tslib_1.__awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve, reject) => {
            setTimeout(() => {
                try {
                    resolve(f());
                }
                catch (e) {
                    reject(e);
                }
            }, delay);
        });
    });
}
exports.runLater = runLater;
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