@beenotung/tslib/async/promise.js

utils library in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.promisify = promisify;
exports.genPromiseCallback = genPromiseCallback;
exports.runFinally = runFinally;
async function promisify(f, args = []) {
    return new Promise((resolve, reject) => {
        f(...args, (err, res) => {
            if (err) {
                reject(err);
            }
            else {
                resolve(res);
            }
        });
    });
}
function genPromiseCallback() {
    let resolve;
    let reject;
    const p = new Promise((res, rej) => {
        resolve = res;
        reject = rej;
    });
    const cb = (err, res) => {
        if (err) {
            reject(err);
        }
        else {
            resolve(res);
        }
    };
    return Object.assign(cb, { promise: p });
}
async function runFinally(p, cb) {
    try {
        return await p;
    }
    catch (e) {
        return Promise.reject(e);
    }
    finally {
        cb();
    }
}