97 строки
3.1 KiB
JavaScript
97 строки
3.1 KiB
JavaScript
"use strict";
|
|
/*---------------------------------------------------------------------------------------------
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|
* Licensed under the MIT License. See License.txt in the project root for license information.
|
|
*--------------------------------------------------------------------------------------------*/
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.series = series;
|
|
exports.parallel = parallel;
|
|
exports.define = define;
|
|
const fancyLog = require("fancy-log");
|
|
const ansiColors = require("ansi-colors");
|
|
function _isPromise(p) {
|
|
if (typeof p.then === 'function') {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function _renderTime(time) {
|
|
return `${Math.round(time)} ms`;
|
|
}
|
|
async function _execute(task) {
|
|
const name = task.taskName || task.displayName || `<anonymous>`;
|
|
if (!task._tasks) {
|
|
fancyLog('Starting', ansiColors.cyan(name), '...');
|
|
}
|
|
const startTime = process.hrtime();
|
|
await _doExecute(task);
|
|
const elapsedArr = process.hrtime(startTime);
|
|
const elapsedNanoseconds = (elapsedArr[0] * 1e9 + elapsedArr[1]);
|
|
if (!task._tasks) {
|
|
fancyLog(`Finished`, ansiColors.cyan(name), 'after', ansiColors.magenta(_renderTime(elapsedNanoseconds / 1e6)));
|
|
}
|
|
}
|
|
async function _doExecute(task) {
|
|
// Always invoke as if it were a callback task
|
|
return new Promise((resolve, reject) => {
|
|
if (task.length === 1) {
|
|
// this is a callback task
|
|
task((err) => {
|
|
if (err) {
|
|
return reject(err);
|
|
}
|
|
resolve();
|
|
});
|
|
return;
|
|
}
|
|
const taskResult = task();
|
|
if (typeof taskResult === 'undefined') {
|
|
// this is a sync task
|
|
resolve();
|
|
return;
|
|
}
|
|
if (_isPromise(taskResult)) {
|
|
// this is a promise returning task
|
|
taskResult.then(resolve, reject);
|
|
return;
|
|
}
|
|
// this is a stream returning task
|
|
taskResult.on('end', _ => resolve());
|
|
taskResult.on('error', err => reject(err));
|
|
});
|
|
}
|
|
function series(...tasks) {
|
|
const result = async () => {
|
|
for (let i = 0; i < tasks.length; i++) {
|
|
await _execute(tasks[i]);
|
|
}
|
|
};
|
|
result._tasks = tasks;
|
|
return result;
|
|
}
|
|
function parallel(...tasks) {
|
|
const result = async () => {
|
|
await Promise.all(tasks.map(t => _execute(t)));
|
|
};
|
|
result._tasks = tasks;
|
|
return result;
|
|
}
|
|
function define(name, task) {
|
|
if (task._tasks) {
|
|
// This is a composite task
|
|
const lastTask = task._tasks[task._tasks.length - 1];
|
|
if (lastTask._tasks || lastTask.taskName) {
|
|
// This is a composite task without a real task function
|
|
// => generate a fake task function
|
|
return define(name, series(task, () => Promise.resolve()));
|
|
}
|
|
lastTask.taskName = name;
|
|
task.displayName = name;
|
|
return task;
|
|
}
|
|
// This is a simple task
|
|
task.taskName = name;
|
|
task.displayName = name;
|
|
return task;
|
|
}
|
|
//# sourceMappingURL=task.js.map
|