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vscode-react-native/tools

tools/gulp-extras.js

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9adec70dJoshua Skelton10 years ago1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3"use strict";
4
7212311dDaniel Lebu10 years ago5var child_process = require("child_process");
9adec70dJoshua Skelton10 years ago6var fs = require("fs");
7var gutil = require("gulp-util");
8var path = require("path");
6200aa9fJoshua Skelton10 years ago9var PluginError = gutil.PluginError;
9adec70dJoshua Skelton10 years ago10var through = require("through2");
11
12/**
13* Pretty logger using gutil.log
14* @param {string} pluginName Name of the pluginName
15* @param {Object} file A gulp file to report on
16* @param {string} message The error message to display
17*/
18var logError = function(pluginName, file, message) {
19var sourcePath = path.relative(__dirname, file.path).replace("../","");
fefdba64Joshua Skelton10 years ago20gutil.log("[" + gutil.colors.cyan(pluginName) + "] " + gutil.colors.red("error") + " " + sourcePath + ": " + message);
9adec70dJoshua Skelton10 years ago21};
22
23/**
24* Plugin to verify the Microsoft copyright notice is present
25*/
26var checkCopyright = function() {
6200aa9fJoshua Skelton10 years ago27var pluginName = "check-copyright";
28var hadErrors = false;
4abd7849Joshua Skelton10 years ago29var copyrightNotice = "// Copyright (c) Microsoft Corporation. All rights reserved.\n// Licensed under the MIT license. See LICENSE file in the project root for details.";
9adec70dJoshua Skelton10 years ago30
31return through.obj(function(file, encoding, callback) {
a3fd5ee9Joshua Skelton10 years ago32if (file.isBuffer()) {
9adec70dJoshua Skelton10 years ago33var fileContents = file.contents.toString(encoding);
4abd7849Joshua Skelton10 years ago34fileContents = fileContents.replace("\r\n", "\n");
5c8365a6Artem Egorov8 years ago35fileContents = fileContents.replace("\"use strict\";\n", "");
9adec70dJoshua Skelton10 years ago36
4abd7849Joshua Skelton10 years ago37if (fileContents.indexOf(copyrightNotice) !== 0) {
6200aa9fJoshua Skelton10 years ago38logError(pluginName, file, "missing copyright notice");
39hadErrors = true;
9adec70dJoshua Skelton10 years ago40}
41}
42
43callback(null, file);
6200aa9fJoshua Skelton10 years ago44},
45function(callback) {
46if (hadErrors) {
47return this.emit("error", new PluginError(pluginName, "Failed copyright check"));
48}
49callback();
9adec70dJoshua Skelton10 years ago50});
51};
52
53/**
54* Helper function to check if a file exists case sensitive
55* @param {string} filePath The path to check
56* @returns {boolean} If the path exists case sensitive
57*/
58var existsCaseSensitive = function(filePath) {
59if (fs.existsSync(filePath)) {
60var fileName = path.basename(filePath);
61return fs.readdirSync(path.dirname(filePath)).indexOf(fileName) !== -1;
62}
63
64return false;
65};
66
67/**
68* Plugin to verify if import statements use correct casing
69*/
70var checkImports = function() {
6200aa9fJoshua Skelton10 years ago71var pluginName = "check-imports";
72var hadErrors = false;
e8486e58Joshua Skelton10 years ago73var re = /(?:\s|^)(?:[^\n:]*).*from ["'](\.[^"']*)["'];/;
9adec70dJoshua Skelton10 years ago74
75return through.obj(function(file, encoding, callback) {
a3fd5ee9Joshua Skelton10 years ago76if (file.isBuffer()) {
9adec70dJoshua Skelton10 years ago77var fileContents = file.contents.toString(encoding);
0d7e2dc5Joshua Skelton10 years ago78var importStatements = fileContents.match(new RegExp(re.source, "g")) || [];
9adec70dJoshua Skelton10 years ago79var workingDirectory = path.dirname(file.path);
80
81importStatements.forEach(function(importStatement) {
82var modulePath = re.exec(importStatement);
9425034eJoshua Skelton10 years ago83if (modulePath && modulePath[1]) {
9adec70dJoshua Skelton10 years ago84var moduleFilePath = path.resolve(workingDirectory, modulePath[1] + ".ts");
85
86if (!existsCaseSensitive(moduleFilePath)) {
30d12ab8Joshua Skelton10 years ago87logError(pluginName, file, "unresolved import: \"" + modulePath[1] + "\"");
6200aa9fJoshua Skelton10 years ago88hadErrors = true;
9adec70dJoshua Skelton10 years ago89}
90}
91});
92}
93
94callback(null, file);
6200aa9fJoshua Skelton10 years ago95},
96function(callback) {
97if (hadErrors) {
98return this.emit("error", new PluginError(pluginName, "Failed import casing check"));
99}
100callback();
9adec70dJoshua Skelton10 years ago101});
102};
103
92f13422Jimmy Thomson9 years ago104var executeCommand = function(command, args, callback, opts) {
105var proc = child_process.spawn(command + (process.platform === "win32" ? ".cmd" : ""), args, opts);
c5378ce2Daniel Lebu10 years ago106var errorSignaled = false;
7212311dDaniel Lebu10 years ago107
92f13422Jimmy Thomson9 years ago108proc.stdout.on("data", function(data) {
7212311dDaniel Lebu10 years ago109console.log("" + data);
110});
111
92f13422Jimmy Thomson9 years ago112proc.stderr.on("data", function(data) {
7212311dDaniel Lebu10 years ago113console.error("" + data);
114});
115
92f13422Jimmy Thomson9 years ago116proc.on("error", function(error) {
c5378ce2Daniel Lebu10 years ago117if (!errorSignaled) {
8e5ee0d7Chris Bala10 years ago118callback("An error occurred. " + error);
c5378ce2Daniel Lebu10 years ago119errorSignaled = true;
120}
121});
122
92f13422Jimmy Thomson9 years ago123proc.on("exit", function(code) {
c5378ce2Daniel Lebu10 years ago124if (code === 0) {
125callback();
126} else if (!errorSignaled) {
127callback("Error code: " + code);
128errorSignaled = true;
129}
7212311dDaniel Lebu10 years ago130});
131};
132
9adec70dJoshua Skelton10 years ago133module.exports = {
134checkCopyright: checkCopyright,
7212311dDaniel Lebu10 years ago135checkImports: checkImports,
136executeCommand: executeCommand
9adec70dJoshua Skelton10 years ago137}