Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/build/lib/reporter.ts

@@ -0,0 +1,110 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 _ from 'underscore';
+import * as fancyLog from 'fancy-log';
+import * as ansiColors from 'ansi-colors';
+import * as fs from 'fs';
+import * as path from 'path';
+
+const allErrors: string[][] = [];
+let startTime: number | null = null;
+let count = 0;
+
+function onStart(): void {
+	if (count++ > 0) {
+		return;
+	}
+
+	startTime = new Date().getTime();
+	fancyLog(`Starting ${ansiColors.green('compilation')}...`);
+}
+
+function onEnd(): void {
+	if (--count > 0) {
+		return;
+	}
+
+	log();
+}
+
+const buildLogPath = path.join(path.dirname(path.dirname(__dirname)), '.build', 'log');
+
+try {
+	fs.mkdirSync(path.dirname(buildLogPath));
+} catch (err) {
+	// ignore
+}
+
+function log(): void {
+	const errors = _.flatten(allErrors);
+	const seen = new Set<string>();
+
+	errors.map(err => {
+		if (!seen.has(err)) {
+			seen.add(err);
+			fancyLog(`${ansiColors.red('Error')}: ${err}`);
+		}
+	});
+
+	const regex = /^([^(]+)\((\d+),(\d+)\): (.*)$/;
+	const messages = errors
+		.map(err => regex.exec(err))
+		.filter(match => !!match)
+		.map(x => x as string[])
+		.map(([, path, line, column, message]) => ({ path, line: parseInt(line), column: parseInt(column), message }));
+
+	try {
+
+		fs.writeFileSync(buildLogPath, JSON.stringify(messages));
+	} catch (err) {
+		//noop
+	}
+
+	fancyLog(`Finished ${ansiColors.green('compilation')} with ${errors.length} errors after ${ansiColors.magenta((new Date().getTime() - startTime!) + ' ms')}`);
+}
+
+export interface IReporter {
+	(err: string): void;
+	hasErrors(): boolean;
+	end(emitError: boolean): NodeJS.ReadWriteStream;
+}
+
+export function createReporter(): IReporter {
+	const errors: string[] = [];
+	allErrors.push(errors);
+
+	const result = (err: string) => errors.push(err);
+
+	result.hasErrors = () => errors.length > 0;
+
+	result.end = (emitError: boolean): NodeJS.ReadWriteStream => {
+		errors.length = 0;
+		onStart();
+
+		return es.through(undefined, function () {
+			onEnd();
+
+			if (emitError && errors.length > 0) {
+				if (!(errors as any).__logged__) {
+					log();
+				}
+
+				(errors as any).__logged__ = true;
+
+				const err = new Error(`Found ${errors.length} errors`);
+				(err as any).__reporter__ = true;
+				this.emit('error', err);
+			} else {
+				this.emit('end');
+			}
+		});
+	};
+
+	return result;
+}