107 lines
3.6 KiB
TypeScript
107 lines
3.6 KiB
TypeScript
import cluster from 'node:cluster';
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import chalk from 'chalk';
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import { default as convertColor } from 'color-convert';
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import { format as dateFormat } from 'date-fns';
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import { bindThis } from '@/decorators.js';
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import { envOption } from './env.js';
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import type { KEYWORD } from 'color-convert/conversions';
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type Context = {
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name: string;
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color?: KEYWORD;
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};
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type Level = 'error' | 'success' | 'warning' | 'debug' | 'info';
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export default class Logger {
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private context: Context;
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private parentLogger: Logger | null = null;
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private store: boolean;
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constructor(context: string, color?: KEYWORD, store = true) {
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this.context = {
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name: context,
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color: color,
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};
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this.store = store;
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}
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@bindThis
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public createSubLogger(context: string, color?: KEYWORD, store = true): Logger {
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const logger = new Logger(context, color, store);
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logger.parentLogger = this;
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return logger;
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}
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@bindThis
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private log(level: Level, message: string, data?: Record<string, any> | null, important = false, subContexts: Context[] = [], store = true): void {
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if (envOption.quiet) return;
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if (!this.store) store = false;
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if (level === 'debug') store = false;
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if (this.parentLogger) {
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this.parentLogger.log(level, message, data, important, [this.context].concat(subContexts), store);
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return;
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}
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const time = dateFormat(new Date(), 'HH:mm:ss');
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const worker = cluster.isPrimary ? '*' : cluster.worker!.id;
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const l =
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level === 'error' ? important ? chalk.bgRed.white('ERR ') : chalk.red('ERR ') :
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level === 'warning' ? chalk.yellow('WARN') :
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level === 'success' ? important ? chalk.bgGreen.white('DONE') : chalk.green('DONE') :
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level === 'debug' ? chalk.gray('VERB') :
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level === 'info' ? chalk.blue('INFO') :
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null;
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const contexts = [this.context].concat(subContexts).map(d => d.color ? chalk.rgb(...convertColor.keyword.rgb(d.color))(d.name) : chalk.white(d.name));
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const m =
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level === 'error' ? chalk.red(message) :
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level === 'warning' ? chalk.yellow(message) :
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level === 'success' ? chalk.green(message) :
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level === 'debug' ? chalk.gray(message) :
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level === 'info' ? message :
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null;
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let log = `${l} ${worker}\t[${contexts.join(' ')}]\t${m}`;
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if (envOption.withLogTime) log = chalk.gray(time) + ' ' + log;
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console.log(important ? chalk.bold(log) : log);
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if (level === 'error' && data) console.log(data);
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}
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@bindThis
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public error(x: string | Error, data?: Record<string, any> | null, important = false): void { // 実行を継続できない状況で使う
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if (x instanceof Error) {
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data = data ?? {};
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data.e = x;
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this.log('error', x.toString(), data, important);
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} else if (typeof x === 'object') {
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this.log('error', `${(x as any).message ?? (x as any).name ?? x}`, data, important);
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} else {
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this.log('error', `${x}`, data, important);
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}
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}
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@bindThis
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public warn(message: string, data?: Record<string, any> | null, important = false): void { // 実行を継続できるが改善すべき状況で使う
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this.log('warning', message, data, important);
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}
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@bindThis
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public succ(message: string, data?: Record<string, any> | null, important = false): void { // 何かに成功した状況で使う
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this.log('success', message, data, important);
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}
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@bindThis
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public debug(message: string, data?: Record<string, any> | null, important = false): void { // デバッグ用に使う(開発者に必要だが利用者に不要な情報)
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if (process.env.NODE_ENV !== 'production' || envOption.verbose) {
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this.log('debug', message, data, important);
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}
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}
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@bindThis
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public info(message: string, data?: Record<string, any> | null, important = false): void { // それ以外
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this.log('info', message, data, important);
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}
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}
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