69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.Watcher = void 0;
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var _utilsBundle = require("./utilsBundle");
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/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class Watcher {
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constructor(onChange) {
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this._onChange = void 0;
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this._watchedPaths = [];
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this._ignoredFolders = [];
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this._collector = [];
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this._fsWatcher = void 0;
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this._throttleTimer = void 0;
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this._onChange = onChange;
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}
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async update(watchedPaths, ignoredFolders, reportPending) {
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var _this$_fsWatcher;
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if (JSON.stringify([this._watchedPaths, this._ignoredFolders]) === JSON.stringify(watchedPaths, ignoredFolders)) return;
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if (reportPending) this._reportEventsIfAny();
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this._watchedPaths = watchedPaths;
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this._ignoredFolders = ignoredFolders;
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void ((_this$_fsWatcher = this._fsWatcher) === null || _this$_fsWatcher === void 0 ? void 0 : _this$_fsWatcher.close());
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this._fsWatcher = undefined;
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this._collector.length = 0;
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clearTimeout(this._throttleTimer);
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this._throttleTimer = undefined;
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if (!this._watchedPaths.length) return;
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const ignored = [...this._ignoredFolders, '**/node_modules/**'];
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this._fsWatcher = _utilsBundle.chokidar.watch(watchedPaths, {
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ignoreInitial: true,
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ignored
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}).on('all', async (event, file) => {
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if (this._throttleTimer) clearTimeout(this._throttleTimer);
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this._collector.push({
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event,
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file
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});
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this._throttleTimer = setTimeout(() => this._reportEventsIfAny(), 250);
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});
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await new Promise((resolve, reject) => this._fsWatcher.once('ready', resolve).once('error', reject));
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}
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async close() {
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var _this$_fsWatcher2;
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await ((_this$_fsWatcher2 = this._fsWatcher) === null || _this$_fsWatcher2 === void 0 ? void 0 : _this$_fsWatcher2.close());
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}
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_reportEventsIfAny() {
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if (this._collector.length) this._onChange(this._collector.slice());
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this._collector.length = 0;
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}
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}
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exports.Watcher = Watcher; |