code-server/build/lib/reporter.ts

111 lines
2.6 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* 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;
}