mirror of
https://github.com/microsoft/TypeScript.git
synced 2026-05-19 10:41:56 -05:00
Rearrange the code to have functions after executing code
This commit is contained in:
Sheetal Nandi
@@ -134,7 +134,140 @@ namespace ts {
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const _os = require("os");
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const _crypto = require("crypto");
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const nodeVersion = getNodeMajorVersion();
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const isNode4OrLater = nodeVersion >= 4;
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const platform: string = _os.platform();
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const useCaseSensitiveFileNames = isFileSystemCaseSensitive();
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const enum FileSystemEntryKind {
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File,
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Directory
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}
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const useNonPollingWatchers = process.env.TSC_NONPOLLING_WATCHER;
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const watchedFileSet = createWatchedFileSet();
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const nodeSystem: System = {
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args: process.argv.slice(2),
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newLine: _os.EOL,
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useCaseSensitiveFileNames,
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write(s: string): void {
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process.stdout.write(s);
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},
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readFile,
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writeFile,
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watchFile: (fileName, callback, pollingInterval) => {
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if (useNonPollingWatchers) {
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const watchedFile = watchedFileSet.addFile(fileName, callback);
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return {
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close: () => watchedFileSet.removeFile(watchedFile)
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};
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}
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else {
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return fsWatchFile(fileName, callback, pollingInterval);
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}
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},
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watchDirectory: (directoryName, callback, recursive) => {
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// Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows
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// (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
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return fsWatchDirectory(directoryName, (eventName, relativeFileName) => {
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// In watchDirectory we only care about adding and removing files (when event name is
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// "rename"); changes made within files are handled by corresponding fileWatchers (when
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// event name is "change")
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if (eventName === "rename") {
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// When deleting a file, the passed baseFileName is null
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callback(!relativeFileName ? relativeFileName : normalizePath(combinePaths(directoryName, relativeFileName)));
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}
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}, recursive);
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},
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resolvePath: path => _path.resolve(path),
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fileExists,
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directoryExists,
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createDirectory(directoryName: string) {
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if (!nodeSystem.directoryExists(directoryName)) {
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_fs.mkdirSync(directoryName);
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}
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},
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getExecutingFilePath() {
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return __filename;
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},
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getCurrentDirectory() {
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return process.cwd();
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},
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getDirectories,
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getEnvironmentVariable(name: string) {
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return process.env[name] || "";
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},
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readDirectory,
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getModifiedTime(path) {
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try {
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return _fs.statSync(path).mtime;
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}
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catch (e) {
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return undefined;
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}
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},
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createHash(data) {
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const hash = _crypto.createHash("md5");
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hash.update(data);
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return hash.digest("hex");
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},
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getMemoryUsage() {
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if (global.gc) {
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global.gc();
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}
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return process.memoryUsage().heapUsed;
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},
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getFileSize(path) {
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try {
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const stat = _fs.statSync(path);
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if (stat.isFile()) {
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return stat.size;
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}
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}
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catch { /*ignore*/ }
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return 0;
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},
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exit(exitCode?: number): void {
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process.exit(exitCode);
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},
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realpath(path: string): string {
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return _fs.realpathSync(path);
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},
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debugMode: some(<string[]>process.execArgv, arg => /^--(inspect|debug)(-brk)?(=\d+)?$/i.test(arg)),
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tryEnableSourceMapsForHost() {
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try {
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require("source-map-support").install();
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}
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catch {
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// Could not enable source maps.
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}
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},
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setTimeout,
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clearTimeout,
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clearScreen: () => {
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process.stdout.write("\x1Bc");
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}
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};
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return nodeSystem;
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function isFileSystemCaseSensitive(): boolean {
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// win32\win64 are case insensitive platforms
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if (platform === "win32" || platform === "win64") {
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return false;
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}
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// If this file exists under a different case, we must be case-insensitve.
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return !fileExists(swapCase(__filename));
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}
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/** Convert all lowercase chars to uppercase, and vice-versa */
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function swapCase(s: string): string {
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return s.replace(/\w/g, (ch) => {
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const up = ch.toUpperCase();
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return ch === up ? ch.toLowerCase() : up;
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});
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}
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function createWatchedFileSet() {
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const dirWatchers = createMap<DirectoryWatcher>();
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@@ -205,30 +338,6 @@ namespace ts {
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}
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}
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}
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const watchedFileSet = createWatchedFileSet();
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const nodeVersion = getNodeMajorVersion();
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const isNode4OrLater = nodeVersion >= 4;
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function isFileSystemCaseSensitive(): boolean {
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// win32\win64 are case insensitive platforms
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if (platform === "win32" || platform === "win64") {
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return false;
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}
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// If this file exists under a different case, we must be case-insensitve.
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return !fileExists(swapCase(__filename));
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}
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/** Convert all lowercase chars to uppercase, and vice-versa */
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function swapCase(s: string): string {
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return s.replace(/\w/g, (ch) => {
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const up = ch.toUpperCase();
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return ch === up ? ch.toLowerCase() : up;
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});
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}
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const platform: string = _os.platform();
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const useCaseSensitiveFileNames = isFileSystemCaseSensitive();
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function fsWatchFile(fileName: string, callback: FileWatcherCallback, pollingInterval?: number): FileWatcher {
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_fs.watchFile(fileName, { persistent: true, interval: pollingInterval || 250 }, fileChanged);
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@@ -407,11 +516,6 @@ namespace ts {
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return matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), depth, getAccessibleFileSystemEntries);
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}
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const enum FileSystemEntryKind {
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File,
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Directory
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}
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function fileSystemEntryExists(path: string, entryKind: FileSystemEntryKind): boolean {
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try {
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const stat = _fs.statSync(path);
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@@ -436,110 +540,6 @@ namespace ts {
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function getDirectories(path: string): string[] {
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return filter<string>(_fs.readdirSync(path), dir => fileSystemEntryExists(combinePaths(path, dir), FileSystemEntryKind.Directory));
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}
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const nodeSystem: System = {
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clearScreen: () => {
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process.stdout.write("\x1Bc");
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},
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args: process.argv.slice(2),
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newLine: _os.EOL,
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useCaseSensitiveFileNames,
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write(s: string): void {
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process.stdout.write(s);
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},
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readFile,
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writeFile,
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watchFile: (fileName, callback, pollingInterval) => {
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if (useNonPollingWatchers) {
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const watchedFile = watchedFileSet.addFile(fileName, callback);
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return {
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close: () => watchedFileSet.removeFile(watchedFile)
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};
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}
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else {
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return fsWatchFile(fileName, callback, pollingInterval);
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}
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},
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watchDirectory: (directoryName, callback, recursive) => {
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// Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows
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// (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643)
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return fsWatchDirectory(directoryName, (eventName, relativeFileName) => {
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// In watchDirectory we only care about adding and removing files (when event name is
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// "rename"); changes made within files are handled by corresponding fileWatchers (when
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// event name is "change")
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if (eventName === "rename") {
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// When deleting a file, the passed baseFileName is null
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callback(!relativeFileName ? relativeFileName : normalizePath(combinePaths(directoryName, relativeFileName)));
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}
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}, recursive);
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},
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resolvePath: path => _path.resolve(path),
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fileExists,
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directoryExists,
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createDirectory(directoryName: string) {
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if (!nodeSystem.directoryExists(directoryName)) {
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_fs.mkdirSync(directoryName);
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}
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},
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getExecutingFilePath() {
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return __filename;
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},
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getCurrentDirectory() {
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return process.cwd();
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},
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getDirectories,
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getEnvironmentVariable(name: string) {
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return process.env[name] || "";
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},
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readDirectory,
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getModifiedTime(path) {
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try {
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return _fs.statSync(path).mtime;
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}
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catch (e) {
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return undefined;
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}
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},
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createHash(data) {
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const hash = _crypto.createHash("md5");
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hash.update(data);
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return hash.digest("hex");
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},
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getMemoryUsage() {
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if (global.gc) {
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global.gc();
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}
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return process.memoryUsage().heapUsed;
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},
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getFileSize(path) {
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try {
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const stat = _fs.statSync(path);
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if (stat.isFile()) {
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return stat.size;
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}
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}
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catch { /*ignore*/ }
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return 0;
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},
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exit(exitCode?: number): void {
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process.exit(exitCode);
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},
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realpath(path: string): string {
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return _fs.realpathSync(path);
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},
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debugMode: some(<string[]>process.execArgv, arg => /^--(inspect|debug)(-brk)?(=\d+)?$/i.test(arg)),
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tryEnableSourceMapsForHost() {
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try {
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require("source-map-support").install();
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}
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catch {
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// Could not enable source maps.
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}
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},
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setTimeout,
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clearTimeout
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};
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return nodeSystem;
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}
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function getChakraSystem(): System {
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