importTypescript.js 7.9 KB

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  1. /*---------------------------------------------------------------------------------------------
  2. * Copyright (c) Microsoft Corporation. All rights reserved.
  3. * Licensed under the MIT License. See License.txt in the project root for license information.
  4. *--------------------------------------------------------------------------------------------*/
  5. const path = require('path');
  6. const fs = require('fs');
  7. const child_process = require('child_process');
  8. const generatedNote = `//
  9. // **NOTE**: Do not edit directly! This file is generated using \`npm run import-typescript\`
  10. //
  11. `;
  12. const TYPESCRIPT_LIB_SOURCE = path.join(__dirname, '../node_modules/typescript/lib');
  13. const TYPESCRIPT_LIB_DESTINATION = path.join(__dirname, '../src/lib');
  14. (function () {
  15. try {
  16. fs.statSync(TYPESCRIPT_LIB_DESTINATION);
  17. } catch (err) {
  18. fs.mkdirSync(TYPESCRIPT_LIB_DESTINATION);
  19. }
  20. importLibs();
  21. const npmLsOutput = JSON.parse(child_process.execSync("npm ls typescript --depth=0 --json=true").toString());
  22. const typeScriptDependencyVersion = npmLsOutput.dependencies.typescript.version;
  23. fs.writeFileSync(
  24. path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServicesMetadata.ts'),
  25. `${generatedNote}
  26. export const typescriptVersion = "${typeScriptDependencyVersion}";\n`
  27. );
  28. var tsServices = fs.readFileSync(path.join(TYPESCRIPT_LIB_SOURCE, 'typescriptServices.js')).toString();
  29. // Ensure we never run into the node system...
  30. // (this also removes require calls that trick webpack into shimming those modules...)
  31. tsServices = (
  32. tsServices.replace(/\n ts\.sys =([^]*)\n \}\)\(\);/m, `\n // MONACOCHANGE\n ts.sys = undefined;\n // END MONACOCHANGE`)
  33. );
  34. // Eliminate more require() calls...
  35. tsServices = tsServices.replace(/^( +)etwModule = require\(.*$/m, '$1// MONACOCHANGE\n$1etwModule = undefined;\n$1// END MONACOCHANGE');
  36. tsServices = tsServices.replace(/^( +)var result = ts\.sys\.require\(.*$/m, '$1// MONACOCHANGE\n$1var result = undefined;\n$1// END MONACOCHANGE');
  37. // Flag any new require calls (outside comments) so they can be corrected preemptively.
  38. // To avoid missing cases (or using an even more complex regex), temporarily remove comments
  39. // about require() and then check for lines actually calling require().
  40. // \/[*/] matches the start of a comment (single or multi-line).
  41. // ^\s+\*[^/] matches (presumably) a later line of a multi-line comment.
  42. const tsServicesNoCommentedRequire = tsServices.replace(/(\/[*/]|^\s+\*[^/]).*\brequire\(.*/gm, '');
  43. const linesWithRequire = tsServicesNoCommentedRequire.match(/^.*?\brequire\(.*$/gm)
  44. // Allow error messages to include references to require() in their strings
  45. const runtimeRequires = linesWithRequire && linesWithRequire.filter(l => !l.includes(": diag("))
  46. if (runtimeRequires && runtimeRequires.length && linesWithRequire) {
  47. console.error('Found new require() calls on the following lines. These should be removed to avoid breaking webpack builds.\n');
  48. console.error(linesWithRequire.join('\n'));
  49. process.exit(1);
  50. }
  51. // Make sure process.args don't get called in the browser, this
  52. // should only happen in TS 2.6.2
  53. const beforeProcess = `ts.perfLogger.logInfoEvent("Starting TypeScript v" + ts.versionMajorMinor + " with command line: " + JSON.stringify(process.argv));`
  54. const afterProcess = `// MONACOCHANGE\n ts.perfLogger.logInfoEvent("Starting TypeScript v" + ts.versionMajorMinor + " with command line: " + JSON.stringify([]));\n// END MONACOCHANGE`
  55. tsServices = tsServices.replace(beforeProcess, afterProcess);
  56. var tsServices_amd = generatedNote + tsServices +
  57. `
  58. // MONACOCHANGE
  59. // Defining the entire module name because r.js has an issue and cannot bundle this file
  60. // correctly with an anonymous define call
  61. define("vs/language/typescript/lib/typescriptServices", [], function() { return ts; });
  62. // END MONACOCHANGE
  63. `;
  64. fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices-amd.js'), stripSourceMaps(tsServices_amd));
  65. var tsServices_esm = generatedNote + tsServices +
  66. `
  67. // MONACOCHANGE
  68. export var createClassifier = ts.createClassifier;
  69. export var createLanguageService = ts.createLanguageService;
  70. export var displayPartsToString = ts.displayPartsToString;
  71. export var EndOfLineState = ts.EndOfLineState;
  72. export var flattenDiagnosticMessageText = ts.flattenDiagnosticMessageText;
  73. export var IndentStyle = ts.IndentStyle;
  74. export var ScriptKind = ts.ScriptKind;
  75. export var ScriptTarget = ts.ScriptTarget;
  76. export var TokenClass = ts.TokenClass;
  77. // END MONACOCHANGE
  78. `;
  79. fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices.js'), stripSourceMaps(tsServices_esm));
  80. var dtsServices = fs.readFileSync(path.join(TYPESCRIPT_LIB_SOURCE, 'typescriptServices.d.ts')).toString();
  81. dtsServices +=
  82. `
  83. // MONACOCHANGE
  84. export = ts;
  85. // END MONACOCHANGE
  86. `;
  87. fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices.d.ts'), generatedNote + dtsServices);
  88. })();
  89. function importLibs() {
  90. function readLibFile(name) {
  91. var srcPath = path.join(TYPESCRIPT_LIB_SOURCE, name);
  92. return fs.readFileSync(srcPath).toString();
  93. }
  94. var strLibResult = `/*---------------------------------------------------------------------------------------------
  95. * Copyright (c) Microsoft Corporation. All rights reserved.
  96. * Licensed under the MIT License. See License.txt in the project root for license information.
  97. *--------------------------------------------------------------------------------------------*/
  98. ${generatedNote}
  99. /** Contains all the lib files */
  100. export const libFileMap: Record<string, string> = {}
  101. `
  102. ;
  103. var strIndexResult = `/*---------------------------------------------------------------------------------------------
  104. * Copyright (c) Microsoft Corporation. All rights reserved.
  105. * Licensed under the MIT License. See License.txt in the project root for license information.
  106. *--------------------------------------------------------------------------------------------*/
  107. ${generatedNote}
  108. /** Contains all the lib files */
  109. export const libFileSet: Record<string, boolean> = {}
  110. `
  111. ;
  112. var dtsFiles = fs.readdirSync(TYPESCRIPT_LIB_SOURCE).filter(f => f.includes("lib."));
  113. while (dtsFiles.length > 0) {
  114. var name = dtsFiles.shift();
  115. var output = readLibFile(name).replace(/\r\n/g, '\n');
  116. strLibResult += `libFileMap['${name}'] = "${escapeText(output)}";\n`;
  117. strIndexResult += `libFileSet['${name}'] = true;\n`;
  118. }
  119. fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'lib.ts'), strLibResult);
  120. fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'lib.index.ts'), strIndexResult);
  121. }
  122. /**
  123. * Escape text such that it can be used in a javascript string enclosed by double quotes (")
  124. */
  125. function escapeText(text) {
  126. // See http://www.javascriptkit.com/jsref/escapesequence.shtml
  127. var _backspace = '\b'.charCodeAt(0);
  128. var _formFeed = '\f'.charCodeAt(0);
  129. var _newLine = '\n'.charCodeAt(0);
  130. var _nullChar = 0;
  131. var _carriageReturn = '\r'.charCodeAt(0);
  132. var _tab = '\t'.charCodeAt(0);
  133. var _verticalTab = '\v'.charCodeAt(0);
  134. var _backslash = '\\'.charCodeAt(0);
  135. var _doubleQuote = '"'.charCodeAt(0);
  136. var startPos = 0, chrCode, replaceWith = null, resultPieces = [];
  137. for (var i = 0, len = text.length; i < len; i++) {
  138. chrCode = text.charCodeAt(i);
  139. switch (chrCode) {
  140. case _backspace:
  141. replaceWith = '\\b';
  142. break;
  143. case _formFeed:
  144. replaceWith = '\\f';
  145. break;
  146. case _newLine:
  147. replaceWith = '\\n';
  148. break;
  149. case _nullChar:
  150. replaceWith = '\\0';
  151. break;
  152. case _carriageReturn:
  153. replaceWith = '\\r';
  154. break;
  155. case _tab:
  156. replaceWith = '\\t';
  157. break;
  158. case _verticalTab:
  159. replaceWith = '\\v';
  160. break;
  161. case _backslash:
  162. replaceWith = '\\\\';
  163. break;
  164. case _doubleQuote:
  165. replaceWith = '\\"';
  166. break;
  167. }
  168. if (replaceWith !== null) {
  169. resultPieces.push(text.substring(startPos, i));
  170. resultPieces.push(replaceWith);
  171. startPos = i + 1;
  172. replaceWith = null;
  173. }
  174. }
  175. resultPieces.push(text.substring(startPos, len));
  176. return resultPieces.join('');
  177. }
  178. function stripSourceMaps(str) {
  179. return str.replace(/\/\/# sourceMappingURL[^\n]+/gm, '');
  180. }