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193/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import path = require('path');
import fs = require('fs');
import child_process = require('child_process');
import { REPO_ROOT } from './utils';
const generatedNote = `//
// **NOTE**: Do not edit directly! This file is generated using \`npm run import-typescript\`
//
`;
const TYPESCRIPT_LIB_SOURCE = path.join(REPO_ROOT, 'node_modules/typescript/lib');
const TYPESCRIPT_LIB_DESTINATION = path.join(REPO_ROOT, 'src/language/typescript/lib');
(function () {
try {
fs.statSync(TYPESCRIPT_LIB_DESTINATION);
} catch (err) {
fs.mkdirSync(TYPESCRIPT_LIB_DESTINATION);
}
importLibs();
const npmLsOutput = JSON.parse(
child_process.execSync('npm ls typescript --depth=0 --json=true', { cwd: REPO_ROOT }).toString()
);
const typeScriptDependencyVersion = npmLsOutput.dependencies.typescript.version;
fs.writeFileSync(
path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServicesMetadata.ts'),
`${generatedNote}
export const typescriptVersion = "${typeScriptDependencyVersion}";\n`
);
let tsServices = fs.readFileSync(path.join(TYPESCRIPT_LIB_SOURCE, 'typescript.js')).toString();
tsServices = tsServices
.replace(
'const path = matchedStar ? subst.replace("*", matchedStar) : subst;',
'const path = matchedStar ? subst.replace("*", matchedStar) : subst; // CodeQL [SM02383] This is a false positive, the code is from the TypeScript compiler'
)
.replace(
'return key.replace("*", matchedStar);',
'return key.replace("*", matchedStar); // CodeQL [SM02383] This is a false positive, the code is from the TypeScript compiler'
);
// The output from this build will only be accessible via ESM; rather than removing
// references to require/module, define them as dummy variables that bundlers will ignore.
// The TS code can figure out that it's not running under Node even with these defined.
tsServices =
`
/* MONACOCHANGE */
var require = undefined;
var module = { exports: {} };
/* END MONACOCHANGE */
` + tsServices;
const tsServices_esm =
generatedNote +
tsServices +
`
// MONACOCHANGE
export var createClassifier = ts.createClassifier;
export var createLanguageService = ts.createLanguageService;
export var displayPartsToString = ts.displayPartsToString;
export var EndOfLineState = ts.EndOfLineState;
export var flattenDiagnosticMessageText = ts.flattenDiagnosticMessageText;
export var IndentStyle = ts.IndentStyle;
export var ScriptKind = ts.ScriptKind;
export var ScriptTarget = ts.ScriptTarget;
export var TokenClass = ts.TokenClass;
export var typescript = ts;
// END MONACOCHANGE
`;
fs.writeFileSync(
path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices.js'),
stripSourceMaps(tsServices_esm)
);
let dtsServices = fs.readFileSync(path.join(TYPESCRIPT_LIB_SOURCE, 'typescript.d.ts')).toString();
fs.writeFileSync(
path.join(TYPESCRIPT_LIB_DESTINATION, 'typescriptServices.d.ts'),
generatedNote + dtsServices
);
})();
function importLibs() {
function readLibFile(name) {
const srcPath = path.join(TYPESCRIPT_LIB_SOURCE, name);
return fs.readFileSync(srcPath).toString();
}
let strLibResult = `/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
${generatedNote}
/** Contains all the lib files */
export const libFileMap: Record<string, string> = {}
`;
let strIndexResult = `/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
${generatedNote}
/** Contains all the lib files */
export const libFileSet: Record<string, boolean> = {}
`;
const dtsFiles = fs.readdirSync(TYPESCRIPT_LIB_SOURCE).filter((f) => f.includes('lib.'));
while (dtsFiles.length > 0) {
const name = dtsFiles.shift();
const output = readLibFile(name).replace(/\r\n/g, '\n');
strLibResult += `libFileMap['${name}'] = "${escapeText(output)}";\n`;
strIndexResult += `libFileSet['${name}'] = true;\n`;
}
fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'lib.ts'), strLibResult);
fs.writeFileSync(path.join(TYPESCRIPT_LIB_DESTINATION, 'lib.index.ts'), strIndexResult);
}
/**
* Escape text such that it can be used in a javascript string enclosed by double quotes (")
*/
function escapeText(text) {
// See http://www.javascriptkit.com/jsref/escapesequence.shtml
const _backspace = '\b'.charCodeAt(0);
const _formFeed = '\f'.charCodeAt(0);
const _newLine = '\n'.charCodeAt(0);
const _nullChar = 0;
const _carriageReturn = '\r'.charCodeAt(0);
const _tab = '\t'.charCodeAt(0);
const _verticalTab = '\v'.charCodeAt(0);
const _backslash = '\\'.charCodeAt(0);
const _doubleQuote = '"'.charCodeAt(0);
const len = text.length;
let startPos = 0;
let chrCode;
let replaceWith = null;
let resultPieces = [];
for (let i = 0; i < len; i++) {
chrCode = text.charCodeAt(i);
switch (chrCode) {
case _backspace:
replaceWith = '\\b';
break;
case _formFeed:
replaceWith = '\\f';
break;
case _newLine:
replaceWith = '\\n';
break;
case _nullChar:
replaceWith = '\\0';
break;
case _carriageReturn:
replaceWith = '\\r';
break;
case _tab:
replaceWith = '\\t';
break;
case _verticalTab:
replaceWith = '\\v';
break;
case _backslash:
replaceWith = '\\\\';
break;
case _doubleQuote:
replaceWith = '\\"';
break;
}
if (replaceWith !== null) {
resultPieces.push(text.substring(startPos, i));
resultPieces.push(replaceWith);
startPos = i + 1;
replaceWith = null;
}
}
resultPieces.push(text.substring(startPos, len));
return resultPieces.join('');
}
function stripSourceMaps(str) {
return str.replace(/\/\/# sourceMappingURL[^\n]+/gm, '');
}