code-server/build/lib/compilation.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.
*--------------------------------------------------------------------------------------------*/
'use strict';
import * as es from 'event-stream';
import * as fs from 'fs';
import * as gulp from 'gulp';
import * as bom from 'gulp-bom';
import * as sourcemaps from 'gulp-sourcemaps';
import * as tsb from 'gulp-tsb';
import * as path from 'path';
import * as monacodts from './monaco-api';
import * as nls from './nls';
import { createReporter } from './reporter';
import * as util from './util';
import * as fancyLog from 'fancy-log';
import * as ansiColors from 'ansi-colors';
import * as os from 'os';
import ts = require('typescript');
const watch = require('./watch');
const reporter = createReporter();
function getTypeScriptCompilerOptions(src: string): ts.CompilerOptions {
const rootDir = path.join(__dirname, `../../${src}`);
let options: ts.CompilerOptions = {};
options.verbose = false;
options.sourceMap = true;
if (process.env['VSCODE_NO_SOURCEMAP']) { // To be used by developers in a hurry
options.sourceMap = false;
}
options.rootDir = rootDir;
options.baseUrl = rootDir;
options.sourceRoot = util.toFileUri(rootDir);
options.newLine = /\r\n/.test(fs.readFileSync(__filename, 'utf8')) ? 0 : 1;
return options;
}
function createCompile(src: string, build: boolean, emitError?: boolean) {
const projectPath = path.join(__dirname, '../../', src, 'tsconfig.json');
const overrideOptions = { ...getTypeScriptCompilerOptions(src), inlineSources: Boolean(build) };
const compilation = tsb.create(projectPath, overrideOptions, false, err => reporter(err));
function pipeline(token?: util.ICancellationToken) {
const utf8Filter = util.filter(data => /(\/|\\)test(\/|\\).*utf8/.test(data.path));
const tsFilter = util.filter(data => /\.ts$/.test(data.path));
const noDeclarationsFilter = util.filter(data => !(/\.d\.ts$/.test(data.path)));
const input = es.through();
const output = input
.pipe(utf8Filter)
.pipe(bom()) // this is required to preserve BOM in test files that loose it otherwise
.pipe(utf8Filter.restore)
.pipe(tsFilter)
.pipe(util.loadSourcemaps())
.pipe(compilation(token))
.pipe(noDeclarationsFilter)
.pipe(build ? nls() : es.through())
.pipe(noDeclarationsFilter.restore)
.pipe(sourcemaps.write('.', {
addComment: false,
includeContent: !!build,
sourceRoot: overrideOptions.sourceRoot
}))
.pipe(tsFilter.restore)
.pipe(reporter.end(!!emitError));
return es.duplex(input, output);
}
pipeline.tsProjectSrc = () => {
return compilation.src({ base: src });
};
return pipeline;
}
export function compileTask(src: string, out: string, build: boolean): () => NodeJS.ReadWriteStream {
return function () {
if (os.totalmem() < 4_000_000_000) {
throw new Error('compilation requires 4GB of RAM');
}
const compile = createCompile(src, build, true);
const srcPipe = gulp.src(`${src}/**`, { base: `${src}` });
let generator = new MonacoGenerator(false);
if (src === 'src') {
generator.execute();
}
return srcPipe
.pipe(generator.stream)
.pipe(compile())
.pipe(gulp.dest(out));
};
}
export function watchTask(out: string, build: boolean): () => NodeJS.ReadWriteStream {
return function () {
const compile = createCompile('src', build);
const src = gulp.src('src/**', { base: 'src' });
const watchSrc = watch('src/**', { base: 'src', readDelay: 200 });
let generator = new MonacoGenerator(true);
generator.execute();
return watchSrc
.pipe(generator.stream)
.pipe(util.incremental(compile, src, true))
.pipe(gulp.dest(out));
};
}
const REPO_SRC_FOLDER = path.join(__dirname, '../../src');
class MonacoGenerator {
private readonly _isWatch: boolean;
public readonly stream: NodeJS.ReadWriteStream;
private readonly _watchedFiles: { [filePath: string]: boolean; };
private readonly _fsProvider: monacodts.FSProvider;
private readonly _declarationResolver: monacodts.DeclarationResolver;
constructor(isWatch: boolean) {
this._isWatch = isWatch;
this.stream = es.through();
this._watchedFiles = {};
let onWillReadFile = (moduleId: string, filePath: string) => {
if (!this._isWatch) {
return;
}
if (this._watchedFiles[filePath]) {
return;
}
this._watchedFiles[filePath] = true;
fs.watchFile(filePath, () => {
this._declarationResolver.invalidateCache(moduleId);
this._executeSoon();
});
};
this._fsProvider = new class extends monacodts.FSProvider {
public readFileSync(moduleId: string, filePath: string): Buffer {
onWillReadFile(moduleId, filePath);
return super.readFileSync(moduleId, filePath);
}
};
this._declarationResolver = new monacodts.DeclarationResolver(this._fsProvider);
if (this._isWatch) {
fs.watchFile(monacodts.RECIPE_PATH, () => {
this._executeSoon();
});
}
}
private _executeSoonTimer: NodeJS.Timer | null = null;
private _executeSoon(): void {
if (this._executeSoonTimer !== null) {
clearTimeout(this._executeSoonTimer);
this._executeSoonTimer = null;
}
this._executeSoonTimer = setTimeout(() => {
this._executeSoonTimer = null;
this.execute();
}, 20);
}
private _run(): monacodts.IMonacoDeclarationResult | null {
let r = monacodts.run3(this._declarationResolver);
if (!r && !this._isWatch) {
// The build must always be able to generate the monaco.d.ts
throw new Error(`monaco.d.ts generation error - Cannot continue`);
}
return r;
}
private _log(message: any, ...rest: any[]): void {
fancyLog(ansiColors.cyan('[monaco.d.ts]'), message, ...rest);
}
public execute(): void {
const startTime = Date.now();
const result = this._run();
if (!result) {
// nothing really changed
return;
}
if (result.isTheSame) {
return;
}
fs.writeFileSync(result.filePath, result.content);
fs.writeFileSync(path.join(REPO_SRC_FOLDER, 'vs/editor/common/standalone/standaloneEnums.ts'), result.enums);
this._log(`monaco.d.ts is changed - total time took ${Date.now() - startTime} ms`);
if (!this._isWatch) {
this.stream.emit('error', 'monaco.d.ts is no longer up to date. Please run gulp watch and commit the new file.');
}
}
}