115 lines
2.8 KiB
JavaScript
115 lines
2.8 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const { validate } = require("schema-utils");
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const schema = require("../schemas/plugins/WatchIgnorePlugin.json");
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/** @typedef {import("../declarations/plugins/WatchIgnorePlugin").WatchIgnorePluginOptions} WatchIgnorePluginOptions */
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./util/fs").WatchFileSystem} WatchFileSystem */
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const IGNORE_TIME_ENTRY = "ignore";
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class IgnoringWatchFileSystem {
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/**
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* @param {WatchFileSystem} wfs original file system
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* @param {(string|RegExp)[]} paths ignored paths
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*/
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constructor(wfs, paths) {
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this.wfs = wfs;
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this.paths = paths;
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}
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watch(files, dirs, missing, startTime, options, callback, callbackUndelayed) {
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files = Array.from(files);
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dirs = Array.from(dirs);
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const ignored = path =>
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this.paths.some(p =>
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p instanceof RegExp ? p.test(path) : path.indexOf(p) === 0
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);
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const notIgnored = path => !ignored(path);
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const ignoredFiles = files.filter(ignored);
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const ignoredDirs = dirs.filter(ignored);
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const watcher = this.wfs.watch(
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files.filter(notIgnored),
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dirs.filter(notIgnored),
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missing,
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startTime,
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options,
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(err, fileTimestamps, dirTimestamps, changedFiles, removedFiles) => {
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if (err) return callback(err);
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for (const path of ignoredFiles) {
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fileTimestamps.set(path, IGNORE_TIME_ENTRY);
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}
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for (const path of ignoredDirs) {
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dirTimestamps.set(path, IGNORE_TIME_ENTRY);
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}
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callback(
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err,
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fileTimestamps,
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dirTimestamps,
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changedFiles,
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removedFiles
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);
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},
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callbackUndelayed
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);
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return {
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close: () => watcher.close(),
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pause: () => watcher.pause(),
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getContextTimeInfoEntries: () => {
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const dirTimestamps = watcher.getContextTimeInfoEntries();
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for (const path of ignoredDirs) {
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dirTimestamps.set(path, IGNORE_TIME_ENTRY);
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}
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return dirTimestamps;
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},
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getFileTimeInfoEntries: () => {
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const fileTimestamps = watcher.getFileTimeInfoEntries();
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for (const path of ignoredFiles) {
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fileTimestamps.set(path, IGNORE_TIME_ENTRY);
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}
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return fileTimestamps;
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}
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};
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}
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}
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class WatchIgnorePlugin {
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/**
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* @param {WatchIgnorePluginOptions} options options
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*/
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constructor(options) {
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validate(schema, options, {
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name: "Watch Ignore Plugin",
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baseDataPath: "options"
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});
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this.paths = options.paths;
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}
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.afterEnvironment.tap("WatchIgnorePlugin", () => {
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compiler.watchFileSystem = new IgnoringWatchFileSystem(
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compiler.watchFileSystem,
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this.paths
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);
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});
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}
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}
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module.exports = WatchIgnorePlugin;
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