60 lines
2.1 KiB
JavaScript
60 lines
2.1 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const chokidar = require("chokidar");
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const path = require("path");
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class FilesWatcher {
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constructor(watchPaths, watchExtensions) {
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this.watchPaths = watchPaths;
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this.watchExtensions = watchExtensions;
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this.watchExtensions = watchExtensions;
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this.watchers = [];
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this.listeners = {};
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}
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isFileSupported(filePath) {
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return this.watchExtensions.indexOf(path.extname(filePath)) !== -1;
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}
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watch() {
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if (this.isWatching()) {
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throw new Error('Cannot watch again - already watching.');
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}
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this.watchers = this.watchPaths.map((watchPath) => {
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return chokidar
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.watch(watchPath, { persistent: true, alwaysStat: true })
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.on('change', (filePath, stats) => {
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if (this.isFileSupported(filePath)) {
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(this.listeners['change'] || []).forEach(changeListener => {
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changeListener(filePath, stats);
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});
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}
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})
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.on('unlink', (filePath) => {
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if (this.isFileSupported(filePath)) {
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(this.listeners['unlink'] || []).forEach(unlinkListener => {
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unlinkListener(filePath);
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});
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}
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});
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});
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}
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isWatchingFile(filePath) {
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return (this.isWatching() &&
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this.isFileSupported(filePath) &&
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this.watchPaths.some(watchPath => filePath.startsWith(watchPath)));
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}
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isWatching() {
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return this.watchers.length > 0;
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}
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on(event, listener) {
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if (!this.listeners[event]) {
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this.listeners[event] = [];
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}
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this.listeners[event].push(listener);
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}
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off(event, listener) {
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if (this.listeners[event]) {
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this.listeners[event] = this.listeners[event].filter(oldListener => oldListener !== listener);
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}
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}
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}
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exports.FilesWatcher = FilesWatcher;
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//# sourceMappingURL=FilesWatcher.js.map
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