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https://github.com/ckaczor/azuredatastudio.git
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SQL Operations Studio Public Preview 1 (0.23) release source code
This commit is contained in:
Karl Burtram
170
build/lib/compilation.js
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170
build/lib/compilation.js
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the Source EULA. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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var gulp = require("gulp");
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var tsb = require("gulp-tsb");
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var es = require("event-stream");
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var watch = require('./watch');
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var nls = require("./nls");
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var util = require("./util");
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var reporter_1 = require("./reporter");
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var path = require("path");
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var bom = require("gulp-bom");
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var sourcemaps = require("gulp-sourcemaps");
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var _ = require("underscore");
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var monacodts = require("../monaco/api");
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var fs = require("fs");
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var reporter = reporter_1.createReporter();
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var rootDir = path.join(__dirname, '../../src');
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var options = require('../../src/tsconfig.json').compilerOptions;
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options.verbose = false;
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options.sourceMap = true;
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options.rootDir = rootDir;
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options.sourceRoot = util.toFileUri(rootDir);
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function createCompile(build, emitError) {
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var opts = _.clone(options);
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opts.inlineSources = !!build;
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opts.noFilesystemLookup = true;
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var ts = tsb.create(opts, null, null, function (err) { return reporter(err.toString()); });
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return function (token) {
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var utf8Filter = util.filter(function (data) { return /(\/|\\)test(\/|\\).*utf8/.test(data.path); });
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var tsFilter = util.filter(function (data) { return /\.ts$/.test(data.path); });
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var noDeclarationsFilter = util.filter(function (data) { return !(/\.d\.ts$/.test(data.path)); });
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var input = es.through();
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var output = input
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.pipe(utf8Filter)
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.pipe(bom())
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.pipe(utf8Filter.restore)
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.pipe(tsFilter)
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.pipe(util.loadSourcemaps())
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.pipe(ts(token))
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.pipe(noDeclarationsFilter)
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.pipe(build ? nls() : es.through())
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.pipe(noDeclarationsFilter.restore)
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.pipe(sourcemaps.write('.', {
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addComment: false,
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includeContent: !!build,
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sourceRoot: options.sourceRoot
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}))
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.pipe(tsFilter.restore)
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.pipe(reporter.end(emitError));
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return es.duplex(input, output);
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};
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}
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function compileTask(out, build) {
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return function () {
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var compile = createCompile(build, true);
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var src = es.merge(gulp.src('src/**', { base: 'src' }), gulp.src('node_modules/typescript/lib/lib.d.ts'));
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return src
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.pipe(compile())
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.pipe(gulp.dest(out))
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.pipe(monacodtsTask(out, false));
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};
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}
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exports.compileTask = compileTask;
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function watchTask(out, build) {
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return function () {
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var compile = createCompile(build);
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var src = es.merge(gulp.src('src/**', { base: 'src' }), gulp.src('node_modules/typescript/lib/lib.d.ts'));
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var watchSrc = watch('src/**', { base: 'src' });
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return watchSrc
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.pipe(util.incremental(compile, src, true))
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.pipe(gulp.dest(out))
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.pipe(monacodtsTask(out, true));
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};
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}
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exports.watchTask = watchTask;
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function reloadTypeScriptNodeModule() {
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var util = require('gulp-util');
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function log(message) {
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var rest = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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rest[_i - 1] = arguments[_i];
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}
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util.log.apply(util, [util.colors.cyan('[memory watch dog]'), message].concat(rest));
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}
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function heapUsed() {
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return (process.memoryUsage().heapUsed / 1024 / 1024).toFixed(2) + ' MB';
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}
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return es.through(function (data) {
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this.emit('data', data);
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}, function () {
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log('memory usage after compilation finished: ' + heapUsed());
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// It appears we are running into some variant of
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// https://bugs.chromium.org/p/v8/issues/detail?id=2073
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//
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// Even though all references are dropped, some
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// optimized methods in the TS compiler end up holding references
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// to the entire TypeScript language host (>600MB)
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//
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// The idea is to force v8 to drop references to these
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// optimized methods, by "reloading" the typescript node module
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log('Reloading typescript node module...');
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var resolvedName = require.resolve('typescript');
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var originalModule = require.cache[resolvedName];
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delete require.cache[resolvedName];
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var newExports = require('typescript');
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require.cache[resolvedName] = originalModule;
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for (var prop in newExports) {
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if (newExports.hasOwnProperty(prop)) {
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originalModule.exports[prop] = newExports[prop];
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}
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}
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log('typescript node module reloaded.');
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this.emit('end');
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});
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}
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function monacodtsTask(out, isWatch) {
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var neededFiles = {};
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monacodts.getFilesToWatch(out).forEach(function (filePath) {
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filePath = path.normalize(filePath);
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neededFiles[filePath] = true;
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});
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var inputFiles = {};
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for (var filePath in neededFiles) {
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if (/\bsrc(\/|\\)vs\b/.test(filePath)) {
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// This file is needed from source => simply read it now
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inputFiles[filePath] = fs.readFileSync(filePath).toString();
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}
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}
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var setInputFile = function (filePath, contents) {
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if (inputFiles[filePath] === contents) {
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// no change
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return;
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}
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inputFiles[filePath] = contents;
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var neededInputFilesCount = Object.keys(neededFiles).length;
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var availableInputFilesCount = Object.keys(inputFiles).length;
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if (neededInputFilesCount === availableInputFilesCount) {
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run();
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}
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};
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var run = function () {
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var result = monacodts.run(out, inputFiles);
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if (!result.isTheSame) {
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if (isWatch) {
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fs.writeFileSync(result.filePath, result.content);
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}
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else {
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resultStream.emit('error', 'monaco.d.ts is no longer up to date. Please run gulp watch and commit the new file.');
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}
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}
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};
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var resultStream;
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if (isWatch) {
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watch('build/monaco/*').pipe(es.through(function () {
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run();
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}));
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}
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resultStream = es.through(function (data) {
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var filePath = path.normalize(data.path);
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if (neededFiles[filePath]) {
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setInputFile(filePath, data.contents.toString());
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}
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this.emit('data', data);
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});
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return resultStream;
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}
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