2014-07-13 01:04:16 +02:00
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interface System {
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args: string[];
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newLine: string;
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2014-07-14 19:45:24 +02:00
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useCaseSensitiveFileNames: boolean;
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2014-07-13 01:04:16 +02:00
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write(s: string): void;
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writeErr(s: string): void;
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readFile(fileName: string): string;
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2014-07-14 19:45:24 +02:00
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writeFile(fileName: string, data: string): boolean;
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2014-07-13 01:04:16 +02:00
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resolvePath(path: string): string;
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fileExists(path: string): boolean;
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directoryExists(path: string): boolean;
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createDirectory(directoryName: string): void;
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getExecutingFilePath(): string;
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getCurrentDirectory(): string;
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getMemoryUsage(): number;
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exit(exitCode?: number): void;
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}
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declare var require: any;
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declare var module: any;
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declare var process: any;
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declare var global: any;
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var sys: System = (function () {
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2014-07-14 19:45:24 +02:00
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2014-07-13 01:04:16 +02:00
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function getWScriptSystem(): System {
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2014-07-14 19:45:24 +02:00
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2014-07-13 01:04:16 +02:00
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var fso = new ActiveXObject("Scripting.FileSystemObject");
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2014-07-14 19:45:24 +02:00
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var fileStream = new ActiveXObject("ADODB.Stream");
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var binaryStream = new ActiveXObject("ADODB.Stream");
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2014-07-13 01:04:16 +02:00
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var args: string[] = [];
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for (var i = 0; i < WScript.Arguments.length; i++) {
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args[i] = WScript.Arguments.Item(i);
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}
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2014-07-14 19:45:24 +02:00
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function readFile(fileName: string): string {
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if (fso.FileExists(fileName)) {
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fileStream.Open();
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try {
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// Load file in binary mode to ensure no byte order mark is added
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fileStream.Type = 1;
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fileStream.LoadFromFile(fileName);
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// Read the first two bytes into a string with no interpretation
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fileStream.Type = 2;
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fileStream.Charset = "x-ansi";
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var bom = fileStream.ReadText(2) || "";
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// Position must be at 0 before encoding can be changed
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fileStream.Position = 0;
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// [0xFF,0xFE] and [0xFE,0xFF] mean utf-16 (little or big endian), otherwise default to utf-8
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fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8";
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// ReadText method always strips byte order mark from resulting string
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var result = fileStream.ReadText();
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fileStream.Close();
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return result;
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}
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catch (e) {
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fileStream.Close();
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}
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2014-07-13 01:04:16 +02:00
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}
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2014-07-14 19:45:24 +02:00
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return undefined;
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2014-07-13 01:04:16 +02:00
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}
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2014-07-14 19:45:24 +02:00
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function writeFile(fileName: string, data: string): boolean {
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fileStream.Open();
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binaryStream.Open();
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try {
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fileStream.Type = 2;
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fileStream.Charset = "utf-8";
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fileStream.WriteText(data);
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// Skip byte order mark and copy remaining text to binary stream
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binaryStream.Type = 1;
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fileStream.Position = 3;
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fileStream.CopyTo(binaryStream);
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binaryStream.SaveToFile(fileName, 2 /*overwrite*/);
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binaryStream.Close();
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fileStream.Close();
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return true;
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}
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catch (e) {
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binaryStream.Close();
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fileStream.Close();
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}
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return false;
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2014-07-13 01:04:16 +02:00
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}
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return {
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args: args,
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newLine: "\r\n",
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2014-07-14 19:45:24 +02:00
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useCaseSensitiveFileNames: false,
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2014-07-13 01:04:16 +02:00
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write(s: string): void {
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WScript.StdOut.Write(s);
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},
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writeErr(s: string): void {
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WScript.StdErr.Write(s);
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},
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2014-07-14 19:45:24 +02:00
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readFile: readFile,
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writeFile: writeFile,
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2014-07-13 01:04:16 +02:00
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resolvePath(path: string): string {
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return fso.GetAbsolutePathName(path);
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},
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fileExists(path: string): boolean {
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return fso.FileExists(path);
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},
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directoryExists(path: string) {
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return fso.FolderExists(path);
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},
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createDirectory(directoryName: string) {
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if (!this.directoryExists(directoryName)) {
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fso.CreateFolder(directoryName);
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}
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},
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getExecutingFilePath() {
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return WScript.ScriptFullName;
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},
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getCurrentDirectory() {
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return new ActiveXObject("WScript.Shell").CurrentDirectory;
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},
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getMemoryUsage() {
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return 0;
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},
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exit(exitCode?: number): void {
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WScript.Quit(exitCode);
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2014-07-14 19:45:24 +02:00
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}
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2014-07-13 01:04:16 +02:00
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};
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}
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function getNodeSystem(): System {
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var _fs = require("fs");
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var _path = require("path");
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2014-07-14 19:45:24 +02:00
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var _os = require('os');
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2014-07-14 20:16:21 +02:00
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var platform: string = _os.platform();
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// win32\win64 are case insensitive platforms, MacOS (darwin) by default is also case insensitive
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var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin";
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2014-07-14 19:45:24 +02:00
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function readFile(fileName: string): string {
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if (_fs.existsSync(fileName)) {
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try {
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var buffer = _fs.readFileSync(fileName);
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var len = buffer.length;
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if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) {
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len &= ~1;
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for (var i = 0; i < len; i += 2) {
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var temp = buffer[i];
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buffer[i] = buffer[i + 1];
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buffer[i + 1] = temp;
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}
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return buffer.toString("utf16le", 2);
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}
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if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) {
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return buffer.toString("utf16le", 2);
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}
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if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
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return buffer.toString("utf8", 3);
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}
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return buffer.toString("utf8");
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}
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catch (e) {
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}
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}
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return undefined;
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}
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function writeFile(fileName: string, data: string): boolean {
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try {
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_fs.writeFileSync(fileName, data, "utf8");
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return true;
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}
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catch (e) {
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}
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return false;
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}
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2014-07-13 01:04:16 +02:00
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return {
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args: process.argv.slice(2),
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newLine: _os.EOL,
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2014-07-14 20:16:21 +02:00
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useCaseSensitiveFileNames: useCaseSensitiveFileNames,
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2014-07-13 01:04:16 +02:00
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write(s: string): void {
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process.stdout.write(s);
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},
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writeErr(s: string): void {
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process.stderr.write(s);
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},
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2014-07-14 19:45:24 +02:00
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readFile: readFile,
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writeFile: writeFile,
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2014-07-13 01:04:16 +02:00
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resolvePath: function (path: string): string {
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return _path.resolve(path);
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},
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fileExists(path: string): boolean {
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return _fs.existsSync(path);
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},
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directoryExists(path: string) {
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return _fs.existsSync(path) && _fs.statSync(path).isDirectory();
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},
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createDirectory(directoryName: string) {
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if (!this.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 process.mainModule.filename;
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},
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getCurrentDirectory() {
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return (<any>process).cwd();
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},
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getMemoryUsage() {
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global.gc();
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return process.memoryUsage().heapUsed;
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},
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exit(exitCode?: number): void {
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process.exit(exitCode);
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2014-07-14 19:45:24 +02:00
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}
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2014-07-13 01:04:16 +02:00
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};
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}
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if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") {
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return getWScriptSystem();
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}
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else if (typeof module !== "undefined" && module.exports) {
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return getNodeSystem();
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}
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else {
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return undefined; // Unsupported host
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}
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})();
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function getCanonicalFileName(fileName: string): string {
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// if underlying system can distinguish between two files whose names differs only in cases then file name already in canonical form.
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// otherwise use toLowerCase as a canonical form.
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return sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
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}
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