85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
import {log} from './utils.js';
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import watch from './watch.js';
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/** @typedef {import('./types').TaskOptions} TaskOptions */
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class Task {
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/**
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* @param {string} name
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* @param {(options: TaskOptions) => void | Promise<void>} run
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*/
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constructor(name, run) {
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this.name = name;
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this._run = run;
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}
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/**
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* @param {string[] | (() => string[])} files
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* @param {(changedFiles: string[], watcher: import('chokidar').FSWatcher, platforms: object) => void | Promise<void>} onChange
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*/
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addWatcher(files, onChange) {
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this._watchFiles = files;
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this._onChange = onChange;
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return this;
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}
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/**
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* @param {() => void | Promise<void>} fn
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*/
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async _measureTime(fn) {
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const start = Date.now();
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await fn();
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const end = Date.now();
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log(`${this.name} (${(end - start).toFixed(0)}ms)`);
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}
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/**
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* @param {TaskOptions} options
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*/
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async run(options) {
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await this._measureTime(
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() => this._run(options)
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);
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}
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watch(platforms) {
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if (!this._watchFiles || !this._onChange) {
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return;
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}
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const watcher = watch({
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files: typeof this._watchFiles === 'function' ?
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this._watchFiles() :
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this._watchFiles,
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onChange: async (files) => {
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await this._measureTime(
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() => this._onChange(files, watcher, platforms)
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);
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},
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});
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}
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}
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/**
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* @param {string} name
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* @param {(options: TaskOptions) => void | Promise<any>} run
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*/
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export function createTask(name, run) {
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return new Task(name, run);
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}
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/**
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* @param {Task[]} tasks
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* @param {TaskOptions} options
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*/
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export async function runTasks(tasks, options) {
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for (const task of tasks) {
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try {
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await task.run(options);
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} catch (err) {
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log.error(`${task.name} error\n${err.stack || err}`);
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throw err;
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}
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}
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}
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