add monaco-typecheck tasks and add them to the compile/watch tasks

build/gulpfile.editor.js

@@ -93,7 +93,7 @@ gulp.task('clean-minified-editor', util.rimraf('out-editor-min'));
 gulp.task('minify-editor', ['clean-minified-editor', 'optimize-editor'], common.minifyTask('out-editor'));
 
 gulp.task('clean-editor-esm', util.rimraf('out-editor-esm'));
-gulp.task('extract-editor-esm', ['clean-editor-esm', 'clean-editor-distro'], function() {
+gulp.task('extract-editor-esm', ['clean-editor-esm', 'clean-editor-distro'], function () {
 	standalone.createESMSourcesAndResources({
 		entryPoints: [
 			'vs/editor/editor.main',
@@ -107,7 +107,7 @@ gulp.task('extract-editor-esm', ['clean-editor-esm', 'clean-editor-distro'], fun
 		}
 	});
 });
-gulp.task('compile-editor-esm', ['extract-editor-esm', 'clean-editor-distro'], function() {
+gulp.task('compile-editor-esm', ['extract-editor-esm', 'clean-editor-distro'], function () {
 	const result = cp.spawnSync(`node`, [`../node_modules/.bin/tsc`], {
 		cwd: path.join(__dirname, '../out-editor-esm')
 	});
@@ -235,3 +235,60 @@ function filterStream(testFunc) {
 		this.emit('data', data);
 	});
 }
+
+
+//#region monaco type checking
+
+function createTscCompileTask(watch) {
+	return () => {
+		const createReporter = require('./lib/reporter').createReporter;
+
+		return new Promise((resolve, reject) => {
+			const args = ['./node_modules/.bin/tsc', '-p', './src/tsconfig.monaco.json', '--noEmit'];
+			if (watch) {
+				args.push('-w');
+			}
+			const child = cp.spawn(`node`, args, {
+				cwd: path.join(__dirname, '..'),
+				// stdio: [null, 'pipe', 'inherit']
+			});
+			let errors = [];
+			let reporter = createReporter();
+			let report;
+			let magic = /[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g;
+
+			child.stdout.on('data', data => {
+				let str = String(data);
+				str = str.replace(magic, '').trim();
+				if (str.indexOf('Starting compilation') >= 0 || str.indexOf('File change detected') >= 0) {
+					errors.length = 0;
+					report = reporter.end(false);
+
+				} else if (str.indexOf('Compilation complete') >= 0) {
+					report.end();
+
+				} else if (str) {
+					let match = /(.*\(\d+,\d+\): )(.*: )(.*)/.exec(str);
+					if (match) {
+						// trying to massage the message so that it matches the gulp-tsb error messages
+						// e.g. src/vs/base/common/strings.ts(663,5): error TS2322: Type '1234' is not assignable to type 'string'.
+						let fullpath = path.join(root, match[1]);
+						let message = match[3];
+						// @ts-ignore
+						reporter(fullpath + message);
+					} else {
+						// @ts-ignore
+						reporter(str);
+					}
+				}
+			});
+			child.on('exit', resolve);
+			child.on('error', reject);
+		});
+	};
+}
+
+gulp.task('monaco-typecheck-watch', createTscCompileTask(true));
+gulp.task('monaco-typecheck', createTscCompileTask(false));
+
+//#endregion

build/lib/reporter.js

@@ -34,7 +34,13 @@ catch (err) {
 }
 function log() {
     var errors = _.flatten(allErrors);
-    errors.map(function (err) { return util.log(util.colors.red('Error') + ": " + err); });
+    var seen = new Set();
+    errors.map(function (err) {
+        if (!seen.has(err)) {
+            seen.add(err);
+            util.log(util.colors.red('Error') + ": " + err);
+        }
+    });
     var regex = /^([^(]+)\((\d+),(\d+)\): (.*)$/;
     var messages = errors
         .map(function (err) { return regex.exec(err); })
@@ -80,4 +86,3 @@ function createReporter() {
     return ReportFunc;
 }
 exports.createReporter = createReporter;
-;

build/lib/reporter.ts

@@ -11,7 +11,7 @@ import * as util from 'gulp-util';
 import * as fs from 'fs';
 import * as path from 'path';
 
-const allErrors: Error[][] = [];
+const allErrors: string[][] = [];
 let startTime: number = null;
 let count = 0;
 
@@ -42,7 +42,14 @@ try {
 
 function log(): void {
 	const errors = _.flatten(allErrors);
-	errors.map(err => util.log(`${util.colors.red('Error')}: ${err}`));
+	const seen = new Set<string>();
+
+	errors.map(err => {
+		if (!seen.has(err)) {
+			seen.add(err);
+			util.log(`${util.colors.red('Error')}: ${err}`);
+		}
+	});
 
 	const regex = /^([^(]+)\((\d+),(\d+)\): (.*)$/;
 	const messages = errors
@@ -61,17 +68,17 @@ function log(): void {
 }
 
 export interface IReporter {
-	(err: Error): void;
+	(err: string): void;
 	hasErrors(): boolean;
 	end(emitError: boolean): NodeJS.ReadWriteStream;
 }
 
 export function createReporter(): IReporter {
-	const errors: Error[] = [];
+	const errors: string[] = [];
 	allErrors.push(errors);
 
 	class ReportFunc {
-		constructor(err: Error) {
+		constructor(err: string) {
 			errors.push(err);
 		}
 
@@ -97,4 +104,4 @@ export function createReporter(): IReporter {
 	}
 
 	return <IReporter><any>ReportFunc;
-};
+}

gulpfile.js

@@ -28,8 +28,8 @@ gulp.task('default', ['compile']);
 
 // All
 gulp.task('clean', ['clean-client', 'clean-extensions']);
-gulp.task('compile', ['compile-client', 'compile-extensions']);
-gulp.task('watch', ['watch-client', 'watch-extensions']);
+gulp.task('compile', ['monaco-typecheck', 'compile-client', 'compile-extensions']);
+gulp.task('watch', ['monaco-typecheck-watch', 'watch-client', 'watch-extensions']);
 
 // All Build
 gulp.task('clean-build', ['clean-client-build', 'clean-extensions-build']);
@@ -74,4 +74,4 @@ if (runningEditorTasks) {
 	const build = path.join(__dirname, 'build');
 	require('glob').sync('gulpfile.*.js', { cwd: build })
 		.forEach(f => require(`./build/${f}`));
-}
+}