importTypescript.js 7.8 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(
  13. __dirname,
  14. '../node_modules/typescript/lib'
  15. );
  16. const TYPESCRIPT_LIB_DESTINATION = path.join(__dirname, '../src/lib');
  17. (function () {
  18. try {
  19. fs.statSync(TYPESCRIPT_LIB_DESTINATION);
  20. } catch (err) {
  21. fs.mkdirSync(TYPESCRIPT_LIB_DESTINATION);
  22. }
  23. importLibs();
  24. const npmLsOutput = JSON.parse(
  25. child_process.execSync('npm ls typescript --depth=0 --json=true').toString()
  26. );
  27. const typeScriptDependencyVersion =
  28. npmLsOutput.dependencies.typescript.version;
  29. fs.writeFileSync(
  30. path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServicesMetadata.ts'),
  31. `${generatedNote}
  32. export const typescriptVersion = "${typeScriptDependencyVersion}";\n`
  33. );
  34. var tsServices = fs
  35. .readFileSync(path.join(TYPESCRIPT_LIB_SOURCE, 'typescriptServices.js'))
  36. .toString();
  37. // Ensure we never run into the node system...
  38. // (this also removes require calls that trick webpack into shimming those modules...)
  39. tsServices = tsServices.replace(
  40. /\n ts\.sys =([^]*)\n \}\)\(\);/m,
  41. `\n // MONACOCHANGE\n ts.sys = undefined;\n // END MONACOCHANGE`
  42. );
  43. // Eliminate more require() calls...
  44. tsServices = tsServices.replace(
  45. /^( +)etwModule = require\(.*$/m,
  46. '$1// MONACOCHANGE\n$1etwModule = undefined;\n$1// END MONACOCHANGE'
  47. );
  48. tsServices = tsServices.replace(
  49. /^( +)var result = ts\.sys\.require\(.*$/m,
  50. '$1// MONACOCHANGE\n$1var result = undefined;\n$1// END MONACOCHANGE'
  51. );
  52. tsServices = tsServices.replace(
  53. /^( +)fs = require\("fs"\);$/m,
  54. '$1// MONACOCHANGE\n$1fs = undefined;\n$1// END MONACOCHANGE'
  55. );
  56. // Flag any new require calls (outside comments) so they can be corrected preemptively.
  57. // To avoid missing cases (or using an even more complex regex), temporarily remove comments
  58. // about require() and then check for lines actually calling require().
  59. // \/[*/] matches the start of a comment (single or multi-line).
  60. // ^\s+\*[^/] matches (presumably) a later line of a multi-line comment.
  61. const tsServicesNoCommentedRequire = tsServices.replace(
  62. /(\/[*/]|^\s+\*[^/]).*\brequire\(.*/gm,
  63. ''
  64. );
  65. const linesWithRequire = tsServicesNoCommentedRequire.match(
  66. /^.*?\brequire\(.*$/gm
  67. );
  68. // Allow error messages to include references to require() in their strings
  69. const runtimeRequires =
  70. linesWithRequire && linesWithRequire.filter((l) => !l.includes(': diag(') && !l.includes("ts.DiagnosticCategory"));
  71. if (runtimeRequires && runtimeRequires.length && linesWithRequire) {
  72. console.error(
  73. 'Found new require() calls on the following lines. These should be removed to avoid breaking webpack builds.\n'
  74. );
  75. console.error(runtimeRequires.map(r => `${r} (${tsServicesNoCommentedRequire.indexOf(r)})`).join('\n'));
  76. process.exit(1);
  77. }
  78. var tsServices_amd =
  79. generatedNote +
  80. tsServices +
  81. `
  82. // MONACOCHANGE
  83. // Defining the entire module name because r.js has an issue and cannot bundle this file
  84. // correctly with an anonymous define call
  85. define("vs/language/typescript/lib/typescriptServices", [], function() { return ts; });
  86. // END MONACOCHANGE
  87. `;
  88. fs.writeFileSync(
  89. path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices-amd.js'),
  90. stripSourceMaps(tsServices_amd)
  91. );
  92. var tsServices_esm =
  93. generatedNote +
  94. tsServices +
  95. `
  96. // MONACOCHANGE
  97. export var createClassifier = ts.createClassifier;
  98. export var createLanguageService = ts.createLanguageService;
  99. export var displayPartsToString = ts.displayPartsToString;
  100. export var EndOfLineState = ts.EndOfLineState;
  101. export var flattenDiagnosticMessageText = ts.flattenDiagnosticMessageText;
  102. export var IndentStyle = ts.IndentStyle;
  103. export var ScriptKind = ts.ScriptKind;
  104. export var ScriptTarget = ts.ScriptTarget;
  105. export var TokenClass = ts.TokenClass;
  106. // END MONACOCHANGE
  107. `;
  108. fs.writeFileSync(
  109. path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices.js'),
  110. stripSourceMaps(tsServices_esm)
  111. );
  112. var dtsServices = fs
  113. .readFileSync(path.join(TYPESCRIPT_LIB_SOURCE, 'typescriptServices.d.ts'))
  114. .toString();
  115. dtsServices += `
  116. // MONACOCHANGE
  117. export = ts;
  118. // END MONACOCHANGE
  119. `;
  120. fs.writeFileSync(
  121. path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices.d.ts'),
  122. generatedNote + dtsServices
  123. );
  124. })();
  125. function importLibs() {
  126. function readLibFile(name) {
  127. var srcPath = path.join(TYPESCRIPT_LIB_SOURCE, name);
  128. return fs.readFileSync(srcPath).toString();
  129. }
  130. var strLibResult = `/*---------------------------------------------------------------------------------------------
  131. * Copyright (c) Microsoft Corporation. All rights reserved.
  132. * Licensed under the MIT License. See License.txt in the project root for license information.
  133. *--------------------------------------------------------------------------------------------*/
  134. ${generatedNote}
  135. /** Contains all the lib files */
  136. export const libFileMap: Record<string, string> = {}
  137. `;
  138. var strIndexResult = `/*---------------------------------------------------------------------------------------------
  139. * Copyright (c) Microsoft Corporation. All rights reserved.
  140. * Licensed under the MIT License. See License.txt in the project root for license information.
  141. *--------------------------------------------------------------------------------------------*/
  142. ${generatedNote}
  143. /** Contains all the lib files */
  144. export const libFileSet: Record<string, boolean> = {}
  145. `;
  146. var dtsFiles = fs
  147. .readdirSync(TYPESCRIPT_LIB_SOURCE)
  148. .filter((f) => f.includes('lib.'));
  149. while (dtsFiles.length > 0) {
  150. var name = dtsFiles.shift();
  151. var output = readLibFile(name).replace(/\r\n/g, '\n');
  152. strLibResult += `libFileMap['${name}'] = "${escapeText(output)}";\n`;
  153. strIndexResult += `libFileSet['${name}'] = true;\n`;
  154. }
  155. fs.writeFileSync(
  156. path.join(TYPESCRIPT_LIB_DESTINATION, 'lib.ts'),
  157. strLibResult
  158. );
  159. fs.writeFileSync(
  160. path.join(TYPESCRIPT_LIB_DESTINATION, 'lib.index.ts'),
  161. strIndexResult
  162. );
  163. }
  164. /**
  165. * Escape text such that it can be used in a javascript string enclosed by double quotes (")
  166. */
  167. function escapeText(text) {
  168. // See http://www.javascriptkit.com/jsref/escapesequence.shtml
  169. var _backspace = '\b'.charCodeAt(0);
  170. var _formFeed = '\f'.charCodeAt(0);
  171. var _newLine = '\n'.charCodeAt(0);
  172. var _nullChar = 0;
  173. var _carriageReturn = '\r'.charCodeAt(0);
  174. var _tab = '\t'.charCodeAt(0);
  175. var _verticalTab = '\v'.charCodeAt(0);
  176. var _backslash = '\\'.charCodeAt(0);
  177. var _doubleQuote = '"'.charCodeAt(0);
  178. var startPos = 0,
  179. chrCode,
  180. replaceWith = null,
  181. resultPieces = [];
  182. for (var i = 0, len = text.length; i < len; i++) {
  183. chrCode = text.charCodeAt(i);
  184. switch (chrCode) {
  185. case _backspace:
  186. replaceWith = '\\b';
  187. break;
  188. case _formFeed:
  189. replaceWith = '\\f';
  190. break;
  191. case _newLine:
  192. replaceWith = '\\n';
  193. break;
  194. case _nullChar:
  195. replaceWith = '\\0';
  196. break;
  197. case _carriageReturn:
  198. replaceWith = '\\r';
  199. break;
  200. case _tab:
  201. replaceWith = '\\t';
  202. break;
  203. case _verticalTab:
  204. replaceWith = '\\v';
  205. break;
  206. case _backslash:
  207. replaceWith = '\\\\';
  208. break;
  209. case _doubleQuote:
  210. replaceWith = '\\"';
  211. break;
  212. }
  213. if (replaceWith !== null) {
  214. resultPieces.push(text.substring(startPos, i));
  215. resultPieces.push(replaceWith);
  216. startPos = i + 1;
  217. replaceWith = null;
  218. }
  219. }
  220. resultPieces.push(text.substring(startPos, len));
  221. return resultPieces.join('');
  222. }
  223. function stripSourceMaps(str) {
  224. return str.replace(/\/\/# sourceMappingURL[^\n]+/gm, '');
  225. }