86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
/**
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* BetterDiscord Logger Module
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* Copyright (c) 2015-present Jiiks/JsSucks - https://github.com/Jiiks / https://github.com/JsSucks
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* All rights reserved.
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* https://betterdiscord.net
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import { FileUtils } from './utils';
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import node_utils from 'util';
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export const logLevels = {
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'log': 'log',
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'warn': 'warn',
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'err': 'error',
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'error': 'error',
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'debug': 'debug',
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'dbg': 'debug',
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'info': 'info'
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};
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export default class Logger {
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constructor(file) {
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this.logs = [];
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this.file = file;
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}
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err(module, message) { this.log(module, message, 'err'); }
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warn(module, message) { this.log(module, message, 'warn'); }
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info(module, message) { this.log(module, message, 'info'); }
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dbg(module, message) { this.log(module, message, 'dbg'); }
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log(module, message, level = 'log') {
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level = Logger.parseLevel(level);
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message = typeof message === 'object' && message instanceof Array ? message : [message];
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console[level]('[%cBetter%cDiscord:%s]', 'color: #3E82E5', '', `${module}${level === 'debug' ? '|DBG' : ''}`, ...message);
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const message_string = message.map(m => typeof m === 'string' ? m : node_utils.inspect(m, {showProxy: true})).join(' ');
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this.logs.push(`${level.toUpperCase()} : [${Logger.timestamp}|${module}] ${message_string}`);
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if (this.file)
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FileUtils.appendToFile(this.file, `${level.toUpperCase()} : [${Logger.timestamp}|${module}] ${message_string}\n`);
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}
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logError(err) {
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if (!err.module && !err.message) {
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console.log(err);
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return;
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}
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this.err(err.module, err.message);
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}
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static parseLevel(level) {
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return logLevels.hasOwnProperty(level) ? logLevels[level] : 'log';
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}
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static get timestamp() {
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return (new Date()).toLocaleString('en-GB');
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}
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trimLogFile() {
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if (!this.file) throw new Error('This logger does not have a file.');
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return Logger.trimLogFile(this.file);
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}
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static async trimLogFile(file) {
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const stat = await FileUtils.stat(file);
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if (stat.size < 20 * 1024 * 1024) return; // 20 MB
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const logs = await FileUtils.readFile(file);
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// Trim to about 1 MB
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const trimFrom = logs.substr(0 - 1024 * 1024).lastIndexOf('\nLOG : [');
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if (trimFrom < 0) return;
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await FileUtils.writeFile(file, logs.substr(trimFrom));
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}
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}
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export const ClientLogger = new Logger();
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