SQL Operations Studio Public Preview 1 (0.23) release source code

build/lib/reporter.ts

@@ -0,0 +1,100 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as es from 'event-stream';
+import * as _ from 'underscore';
+import * as util from 'gulp-util';
+import * as fs from 'fs';
+import * as path from 'path';
+
+const allErrors: Error[][] = [];
+let startTime: number = null;
+let count = 0;
+
+function onStart(): void {
+	if (count++ > 0) {
+		return;
+	}
+
+	startTime = new Date().getTime();
+	util.log(`Starting ${util.colors.green('compilation')}...`);
+}
+
+function onEnd(): void {
+	if (--count > 0) {
+		return;
+	}
+
+	log();
+}
+
+const buildLogPath = path.join(path.dirname(path.dirname(__dirname)), '.build', 'log');
+
+try {
+	fs.mkdirSync(path.dirname(buildLogPath));
+} catch (err) {
+	// ignore
+}
+
+function log(): void {
+	const errors = _.flatten(allErrors);
+	errors.map(err => util.log(`${util.colors.red('Error')}: ${err}`));
+
+	const regex = /^([^(]+)\((\d+),(\d+)\): (.*)$/;
+	const messages = errors
+		.map(err => regex.exec(err))
+		.filter(match => !!match)
+		.map(([, path, line, column, message]) => ({ path, line: parseInt(line), column: parseInt(column), message }));
+
+	try {
+
+		fs.writeFileSync(buildLogPath, JSON.stringify(messages));
+	} catch (err) {
+		//noop
+	}
+
+	util.log(`Finished ${util.colors.green('compilation')} with ${errors.length} errors after ${util.colors.magenta((new Date().getTime() - startTime) + ' ms')}`);
+}
+
+export interface IReporter {
+	(err: Error): void;
+	hasErrors(): boolean;
+	end(emitError: boolean): NodeJS.ReadWriteStream;
+}
+
+export function createReporter(): IReporter {
+	const errors: Error[] = [];
+	allErrors.push(errors);
+
+	class ReportFunc {
+		constructor(err: Error) {
+			errors.push(err);
+		}
+
+		static hasErrors(): boolean {
+			return errors.length > 0;
+		}
+
+		static end(emitError: boolean): NodeJS.ReadWriteStream {
+			errors.length = 0;
+			onStart();
+
+			return es.through(null, function () {
+				onEnd();
+
+				if (emitError && errors.length > 0) {
+					log();
+					this.emit('error');
+				} else {
+					this.emit('end');
+				}
+			});
+		}
+	}
+
+	return <IReporter><any>ReportFunc;
+};