calckey/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 function log(message: string): void;
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export function log(level: LogLevel, message: string): void;
export function log(level: LogLevel, message: string, domain: string): void;
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export function log(x: string | LogLevel, message?: string, domain?: string): void {
const level = typeof message == 'undefined' ? 'Info' : x as LogLevel;
message = typeof message == 'undefined' ? x : message;
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if (typeof domain == 'string') {
log(level, `[${domain}] ${message}`);
} else {
let color = toLevelColor(level);
let time = (new Date()).toLocaleTimeString('ja-JP');
console.log(`[${time} ${color.bold(level.toUpperCase())}]: ${message}`);
}
}