misskey/src/utils/logger.ts

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import * as chalk from 'chalk';
export type LogLevel = 'Error' | 'Warn' | 'Info';
function toLevelColor(level: LogLevel): chalk.ChalkStyle {
switch (level) {
case 'Error': return chalk.red;
case 'Warn': return chalk.yellow;
case 'Info': return chalk.blue;
}
}
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export default class Logger {
domain: string;
static log(level: LogLevel, message: string): void {
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let color = toLevelColor(level);
let time = (new Date()).toLocaleTimeString('ja-JP');
console.log(`[${time} ${color.bold(level.toUpperCase())}]: ${message}`);
}
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static error(message: string): void {
Logger.log('Error', message);
}
static warn(message: string): void {
Logger.log('Warn', message);
}
static info(message: string): void {
Logger.log('Info', message);
}
constructor(domain: string) {
this.domain = domain;
}
log(level: LogLevel, message: string): void {
Logger.log(level, `[${this.domain}] ${message}`);
}
error(message: string): void {
this.log('Error', message);
}
warn(message: string): void {
this.log('Warn', message);
}
info(message: string): void {
this.log('Info', message);
}
}