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Customized console logger for Deno
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/** | |
* CustomizedConsoleLogger.ts - Customized console logger for Deno | |
* Copyright (c) 2020 Rokoucha | |
* Released under the MIT license, see LICENSE. | |
* This code was forked from https://deno.land/std/log/handlers.ts | |
* > Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. | |
*/ | |
import { BaseHandler } from 'https://deno.land/std/log/handlers.ts' | |
import { LogLevel } from 'https://deno.land/std/log/levels.ts' | |
import { LogRecord } from 'https://deno.land/std/log/logger.ts' | |
import { red, yellow, blue, bold } from 'https://deno.land/std/fmt/colors.ts' | |
import * as stdLog from 'https://deno.land/std/log/mod.ts' | |
class CustomizedConsoleLogger extends BaseHandler { | |
format(logRecord: LogRecord): string { | |
switch (logRecord.level) { | |
case LogLevel.INFO: | |
logRecord.levelName = blue(logRecord.levelName) | |
break | |
case LogLevel.WARNING: | |
logRecord.levelName = yellow(logRecord.levelName) | |
break | |
case LogLevel.ERROR: | |
logRecord.levelName = red(logRecord.levelName) | |
break | |
case LogLevel.CRITICAL: | |
logRecord.levelName = bold(red(logRecord.levelName)) | |
break | |
default: | |
break | |
} | |
return super.format(logRecord) | |
} | |
log(message: string): void { | |
console.log(message) | |
} | |
} | |
export default async function getLogger(level = 'INFO') { | |
await stdLog.setup({ | |
handlers: { | |
console: new CustomizedConsoleLogger('DEBUG', { | |
formatter: `[{levelName}] {msg}`, | |
}), | |
}, | |
loggers: { | |
default: { | |
handlers: ['console'], | |
level, | |
}, | |
}, | |
}) | |
return stdLog.getLogger() | |
} |
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MIT License | |
Copyright (c) 2020 Rokoucha | |
Permission is hereby granted, free of charge, to any person obtaining a copy | |
of this software and associated documentation files (the "Software"), to deal | |
in the Software without restriction, including without limitation the rights | |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
copies of the Software, and to permit persons to whom the Software is | |
furnished to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in all | |
copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
SOFTWARE. |
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