code-server/lib/vscode/build/lib/reporter.ts
2021-02-09 16:08:37 +00:00

128 lines
3.1 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';
class ErrorLog {
constructor(public id: string) {
}
allErrors: string[][] = [];
startTime: number | null = null;
count = 0;
onStart(): void {
if (this.count++ > 0) {
return;
}
this.startTime = new Date().getTime();
fancyLog(`Starting ${ansiColors.green('compilation')}${this.id ? ansiColors.blue(` ${this.id}`) : ''}...`);
}
onEnd(): void {
if (--this.count > 0) {
return;
}
this.log();
}
log(): void {
const errors = _.flatten(this.allErrors);
const seen = new Set<string>();
errors.map(err => {
if (!seen.has(err)) {
seen.add(err);
fancyLog(`${ansiColors.red('Error')}: ${err}`);
}
});
fancyLog(`Finished ${ansiColors.green('compilation')}${this.id ? ansiColors.blue(` ${this.id}`) : ''} with ${errors.length} errors after ${ansiColors.magenta((new Date().getTime() - this.startTime!) + ' ms')}`);
const regex = /^([^(]+)\((\d+),(\d+)\): (.*)$/s;
const messages = errors
.map(err => regex.exec(err))
.filter(match => !!match)
.map(x => x as string[])
.map(([, path, line, column, message]) => ({ path, line: parseInt(line), column: parseInt(column), message }));
try {
const logFileName = 'log' + (this.id ? `_${this.id}` : '');
fs.writeFileSync(path.join(buildLogFolder, logFileName), JSON.stringify(messages));
} catch (err) {
//noop
}
}
}
const errorLogsById = new Map<string, ErrorLog>();
function getErrorLog(id: string = '') {
let errorLog = errorLogsById.get(id);
if (!errorLog) {
errorLog = new ErrorLog(id);
errorLogsById.set(id, errorLog);
}
return errorLog;
}
const buildLogFolder = path.join(path.dirname(path.dirname(__dirname)), '.build');
try {
fs.mkdirSync(buildLogFolder);
} catch (err) {
// ignore
}
export interface IReporter {
(err: string): void;
hasErrors(): boolean;
end(emitError: boolean): NodeJS.ReadWriteStream;
}
export function createReporter(id?: string): IReporter {
const errorLog = getErrorLog(id);
const errors: string[] = [];
errorLog.allErrors.push(errors);
const result = (err: string) => errors.push(err);
result.hasErrors = () => errors.length > 0;
result.end = (emitError: boolean): NodeJS.ReadWriteStream => {
errors.length = 0;
errorLog.onStart();
return es.through(undefined, function () {
errorLog.onEnd();
if (emitError && errors.length > 0) {
if (!(errors as any).__logged__) {
errorLog.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;
}