code-server/build/lib/standalone.ts

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as ts from 'typescript';
import * as fs from 'fs';
import * as path from 'path';
import * as tss from './treeshaking';
const REPO_ROOT = path.join(__dirname, '../../');
const SRC_DIR = path.join(REPO_ROOT, 'src');
let dirCache: { [dir: string]: boolean; } = {};
function writeFile(filePath: string, contents: Buffer | string): void {
function ensureDirs(dirPath: string): void {
if (dirCache[dirPath]) {
return;
}
dirCache[dirPath] = true;
ensureDirs(path.dirname(dirPath));
if (fs.existsSync(dirPath)) {
return;
}
fs.mkdirSync(dirPath);
}
ensureDirs(path.dirname(filePath));
fs.writeFileSync(filePath, contents);
}
export function extractEditor(options: tss.ITreeShakingOptions & { destRoot: string }): void {
const tsConfig = JSON.parse(fs.readFileSync(path.join(options.sourcesRoot, 'tsconfig.monaco.json')).toString());
let compilerOptions: { [key: string]: any };
if (tsConfig.extends) {
compilerOptions = Object.assign({}, require(path.join(options.sourcesRoot, tsConfig.extends)).compilerOptions, tsConfig.compilerOptions);
delete tsConfig.extends;
} else {
compilerOptions = tsConfig.compilerOptions;
}
tsConfig.compilerOptions = compilerOptions;
compilerOptions.noEmit = false;
compilerOptions.noUnusedLocals = false;
compilerOptions.preserveConstEnums = false;
compilerOptions.declaration = false;
compilerOptions.moduleResolution = ts.ModuleResolutionKind.Classic;
options.compilerOptions = compilerOptions;
console.log(`Running tree shaker with shakeLevel ${tss.toStringShakeLevel(options.shakeLevel)}`);
// Take the extra included .d.ts files from `tsconfig.monaco.json`
options.typings = (<string[]>tsConfig.include).filter(includedFile => /\.d\.ts$/.test(includedFile));
// Add extra .d.ts files from `node_modules/@types/`
if (Array.isArray(options.compilerOptions?.types)) {
options.compilerOptions.types.forEach((type: string) => {
options.typings.push(`../node_modules/@types/${type}/index.d.ts`);
});
}
let result = tss.shake(options);
for (let fileName in result) {
if (result.hasOwnProperty(fileName)) {
writeFile(path.join(options.destRoot, fileName), result[fileName]);
}
}
let copied: { [fileName: string]: boolean; } = {};
const copyFile = (fileName: string) => {
if (copied[fileName]) {
return;
}
copied[fileName] = true;
const srcPath = path.join(options.sourcesRoot, fileName);
const dstPath = path.join(options.destRoot, fileName);
writeFile(dstPath, fs.readFileSync(srcPath));
};
const writeOutputFile = (fileName: string, contents: string | Buffer) => {
writeFile(path.join(options.destRoot, fileName), contents);
};
for (let fileName in result) {
if (result.hasOwnProperty(fileName)) {
const fileContents = result[fileName];
const info = ts.preProcessFile(fileContents);
for (let i = info.importedFiles.length - 1; i >= 0; i--) {
const importedFileName = info.importedFiles[i].fileName;
let importedFilePath: string;
if (/^vs\/css!/.test(importedFileName)) {
importedFilePath = importedFileName.substr('vs/css!'.length) + '.css';
} else {
importedFilePath = importedFileName;
}
if (/(^\.\/)|(^\.\.\/)/.test(importedFilePath)) {
importedFilePath = path.join(path.dirname(fileName), importedFilePath);
}
if (/\.css$/.test(importedFilePath)) {
transportCSS(importedFilePath, copyFile, writeOutputFile);
} else {
if (fs.existsSync(path.join(options.sourcesRoot, importedFilePath + '.js'))) {
copyFile(importedFilePath + '.js');
}
}
}
}
}
delete tsConfig.compilerOptions.moduleResolution;
writeOutputFile('tsconfig.json', JSON.stringify(tsConfig, null, '\t'));
[
'vs/css.build.js',
'vs/css.d.ts',
'vs/css.js',
'vs/loader.js',
'vs/nls.build.js',
'vs/nls.d.ts',
'vs/nls.js',
'vs/nls.mock.ts',
].forEach(copyFile);
}
export interface IOptions2 {
srcFolder: string;
outFolder: string;
outResourcesFolder: string;
ignores: string[];
renames: { [filename: string]: string; };
}
export function createESMSourcesAndResources2(options: IOptions2): void {
const SRC_FOLDER = path.join(REPO_ROOT, options.srcFolder);
const OUT_FOLDER = path.join(REPO_ROOT, options.outFolder);
const OUT_RESOURCES_FOLDER = path.join(REPO_ROOT, options.outResourcesFolder);
const getDestAbsoluteFilePath = (file: string): string => {
let dest = options.renames[file.replace(/\\/g, '/')] || file;
if (dest === 'tsconfig.json') {
return path.join(OUT_FOLDER, `tsconfig.json`);
}
if (/\.ts$/.test(dest)) {
return path.join(OUT_FOLDER, dest);
}
return path.join(OUT_RESOURCES_FOLDER, dest);
};
const allFiles = walkDirRecursive(SRC_FOLDER);
for (const file of allFiles) {
if (options.ignores.indexOf(file.replace(/\\/g, '/')) >= 0) {
continue;
}
if (file === 'tsconfig.json') {
const tsConfig = JSON.parse(fs.readFileSync(path.join(SRC_FOLDER, file)).toString());
tsConfig.compilerOptions.module = 'es6';
tsConfig.compilerOptions.outDir = path.join(path.relative(OUT_FOLDER, OUT_RESOURCES_FOLDER), 'vs').replace(/\\/g, '/');
write(getDestAbsoluteFilePath(file), JSON.stringify(tsConfig, null, '\t'));
continue;
}
if (/\.d\.ts$/.test(file) || /\.css$/.test(file) || /\.js$/.test(file) || /\.ttf$/.test(file)) {
// Transport the files directly
write(getDestAbsoluteFilePath(file), fs.readFileSync(path.join(SRC_FOLDER, file)));
continue;
}
if (/\.ts$/.test(file)) {
// Transform the .ts file
let fileContents = fs.readFileSync(path.join(SRC_FOLDER, file)).toString();
const info = ts.preProcessFile(fileContents);
for (let i = info.importedFiles.length - 1; i >= 0; i--) {
const importedFilename = info.importedFiles[i].fileName;
const pos = info.importedFiles[i].pos;
const end = info.importedFiles[i].end;
let importedFilepath: string;
if (/^vs\/css!/.test(importedFilename)) {
importedFilepath = importedFilename.substr('vs/css!'.length) + '.css';
} else {
importedFilepath = importedFilename;
}
if (/(^\.\/)|(^\.\.\/)/.test(importedFilepath)) {
importedFilepath = path.join(path.dirname(file), importedFilepath);
}
let relativePath: string;
if (importedFilepath === path.dirname(file).replace(/\\/g, '/')) {
relativePath = '../' + path.basename(path.dirname(file));
} else if (importedFilepath === path.dirname(path.dirname(file)).replace(/\\/g, '/')) {
relativePath = '../../' + path.basename(path.dirname(path.dirname(file)));
} else {
relativePath = path.relative(path.dirname(file), importedFilepath);
}
relativePath = relativePath.replace(/\\/g, '/');
if (!/(^\.\/)|(^\.\.\/)/.test(relativePath)) {
relativePath = './' + relativePath;
}
fileContents = (
fileContents.substring(0, pos + 1)
+ relativePath
+ fileContents.substring(end + 1)
);
}
fileContents = fileContents.replace(/import ([a-zA-z0-9]+) = require\(('[^']+')\);/g, function (_, m1, m2) {
return `import * as ${m1} from ${m2};`;
});
write(getDestAbsoluteFilePath(file), fileContents);
continue;
}
console.log(`UNKNOWN FILE: ${file}`);
}
function walkDirRecursive(dir: string): string[] {
if (dir.charAt(dir.length - 1) !== '/' || dir.charAt(dir.length - 1) !== '\\') {
dir += '/';
}
let result: string[] = [];
_walkDirRecursive(dir, result, dir.length);
return result;
}
function _walkDirRecursive(dir: string, result: string[], trimPos: number): void {
const files = fs.readdirSync(dir);
for (let i = 0; i < files.length; i++) {
const file = path.join(dir, files[i]);
if (fs.statSync(file).isDirectory()) {
_walkDirRecursive(file, result, trimPos);
} else {
result.push(file.substr(trimPos));
}
}
}
function write(absoluteFilePath: string, contents: string | Buffer): void {
if (/(\.ts$)|(\.js$)/.test(absoluteFilePath)) {
contents = toggleComments(contents.toString());
}
writeFile(absoluteFilePath, contents);
function toggleComments(fileContents: string): string {
let lines = fileContents.split(/\r\n|\r|\n/);
let mode = 0;
for (let i = 0; i < lines.length; i++) {
const line = lines[i];
if (mode === 0) {
if (/\/\/ ESM-comment-begin/.test(line)) {
mode = 1;
continue;
}
if (/\/\/ ESM-uncomment-begin/.test(line)) {
mode = 2;
continue;
}
continue;
}
if (mode === 1) {
if (/\/\/ ESM-comment-end/.test(line)) {
mode = 0;
continue;
}
lines[i] = '// ' + line;
continue;
}
if (mode === 2) {
if (/\/\/ ESM-uncomment-end/.test(line)) {
mode = 0;
continue;
}
lines[i] = line.replace(/^(\s*)\/\/ ?/, function (_, indent) {
return indent;
});
}
}
return lines.join('\n');
}
}
}
function transportCSS(module: string, enqueue: (module: string) => void, write: (path: string, contents: string | Buffer) => void): boolean {
if (!/\.css/.test(module)) {
return false;
}
const filename = path.join(SRC_DIR, module);
const fileContents = fs.readFileSync(filename).toString();
const inlineResources = 'base64'; // see https://github.com/microsoft/monaco-editor/issues/148
const newContents = _rewriteOrInlineUrls(fileContents, inlineResources === 'base64');
write(module, newContents);
return true;
function _rewriteOrInlineUrls(contents: string, forceBase64: boolean): string {
return _replaceURL(contents, (url) => {
const fontMatch = url.match(/^(.*).ttf\?(.*)$/);
if (fontMatch) {
const relativeFontPath = `${fontMatch[1]}.ttf`; // trim the query parameter
const fontPath = path.join(path.dirname(module), relativeFontPath);
enqueue(fontPath);
return relativeFontPath;
}
const imagePath = path.join(path.dirname(module), url);
const fileContents = fs.readFileSync(path.join(SRC_DIR, imagePath));
const MIME = /\.svg$/.test(url) ? 'image/svg+xml' : 'image/png';
let DATA = ';base64,' + fileContents.toString('base64');
if (!forceBase64 && /\.svg$/.test(url)) {
// .svg => url encode as explained at https://codepen.io/tigt/post/optimizing-svgs-in-data-uris
let newText = fileContents.toString()
.replace(/"/g, '\'')
.replace(/</g, '%3C')
.replace(/>/g, '%3E')
.replace(/&/g, '%26')
.replace(/#/g, '%23')
.replace(/\s+/g, ' ');
let encodedData = ',' + newText;
if (encodedData.length < DATA.length) {
DATA = encodedData;
}
}
return '"data:' + MIME + DATA + '"';
});
}
function _replaceURL(contents: string, replacer: (url: string) => string): string {
// Use ")" as the terminator as quotes are oftentimes not used at all
return contents.replace(/url\(\s*([^\)]+)\s*\)?/g, (_: string, ...matches: string[]) => {
let url = matches[0];
// Eliminate starting quotes (the initial whitespace is not captured)
if (url.charAt(0) === '"' || url.charAt(0) === '\'') {
url = url.substring(1);
}
// The ending whitespace is captured
while (url.length > 0 && (url.charAt(url.length - 1) === ' ' || url.charAt(url.length - 1) === '\t')) {
url = url.substring(0, url.length - 1);
}
// Eliminate ending quotes
if (url.charAt(url.length - 1) === '"' || url.charAt(url.length - 1) === '\'') {
url = url.substring(0, url.length - 1);
}
if (!_startsWith(url, 'data:') && !_startsWith(url, 'http://') && !_startsWith(url, 'https://')) {
url = replacer(url);
}
return 'url(' + url + ')';
});
}
function _startsWith(haystack: string, needle: string): boolean {
return haystack.length >= needle.length && haystack.substr(0, needle.length) === needle;
}
}