mirror of
https://github.com/microsoft/vscode.git
synced 2026-04-21 00:59:03 +01:00
101 lines
8.3 KiB
JavaScript
101 lines
8.3 KiB
JavaScript
"use strict";
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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Object.defineProperty(exports, "__esModule", { value: true });
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const path = require("path");
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const cp = require("child_process");
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const fs = require("fs");
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const File = require("vinyl");
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const es = require("event-stream");
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const filter = require("gulp-filter");
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const watcherPath = path.join(__dirname, 'watcher.exe');
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function toChangeType(type) {
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switch (type) {
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case '0': return 'change';
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case '1': return 'add';
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default: return 'unlink';
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}
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}
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function watch(root) {
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const result = es.through();
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let child = cp.spawn(watcherPath, [root]);
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child.stdout.on('data', function (data) {
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const lines = data.toString('utf8').split('\n');
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for (let i = 0; i < lines.length; i++) {
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const line = lines[i].trim();
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if (line.length === 0) {
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continue;
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}
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const changeType = line[0];
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const changePath = line.substr(2);
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// filter as early as possible
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if (/^\.git/.test(changePath) || /(^|\\)out($|\\)/.test(changePath)) {
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continue;
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}
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const changePathFull = path.join(root, changePath);
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const file = new File({
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path: changePathFull,
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base: root
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});
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file.event = toChangeType(changeType);
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result.emit('data', file);
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}
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});
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child.stderr.on('data', function (data) {
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result.emit('error', data);
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});
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child.on('exit', function (code) {
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result.emit('error', 'Watcher died with code ' + code);
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child = null;
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});
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process.once('SIGTERM', function () { process.exit(0); });
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process.once('SIGTERM', function () { process.exit(0); });
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process.once('exit', function () { if (child) {
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child.kill();
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} });
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return result;
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}
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const cache = Object.create(null);
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module.exports = function (pattern, options) {
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options = options || {};
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const cwd = path.normalize(options.cwd || process.cwd());
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let watcher = cache[cwd];
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if (!watcher) {
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watcher = cache[cwd] = watch(cwd);
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}
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const rebase = !options.base ? es.through() : es.mapSync(function (f) {
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f.base = options.base;
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return f;
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});
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return watcher
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.pipe(filter(['**', '!.git{,/**}'])) // ignore all things git
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.pipe(filter(pattern))
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.pipe(es.map(function (file, cb) {
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fs.stat(file.path, function (err, stat) {
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if (err && err.code === 'ENOENT') {
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return cb(undefined, file);
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}
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if (err) {
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return cb();
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}
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if (!stat.isFile()) {
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return cb();
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}
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fs.readFile(file.path, function (err, contents) {
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if (err && err.code === 'ENOENT') {
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return cb(undefined, file);
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}
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if (err) {
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return cb();
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}
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file.contents = contents;
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file.stat = stat;
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cb(undefined, file);
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});
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});
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}))
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.pipe(rebase);
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};
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