46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
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export enum LogSeverity {
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FATAL,
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ERROR,
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WARN,
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INFO,
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DEBUG,
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TRACE
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}
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export enum LogModule {
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PROCESS,
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USER,
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DATABASE
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}
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abstract class Logger {
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readonly module = {
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...LogModule
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}
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abstract log(severity: LogSeverity, module: LogModule, message: string): void
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fatal(module: LogModule, message: string): void { this.log(LogSeverity.FATAL, module, message) }
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error(module: LogModule, message: string): void { this.log(LogSeverity.ERROR, module, message) }
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warn(module: LogModule, message: string): void { this.log(LogSeverity.WARN, module, message) }
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info(module: LogModule, message: string): void { this.log(LogSeverity.INFO, module, message) }
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debug(module: LogModule, message: string): void { this.log(LogSeverity.DEBUG, module, message) }
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trace(module: LogModule, message: string): void { this.log(LogSeverity.TRACE, module, message) }
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}
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function create_log_string(severity: LogSeverity, module: LogModule, message: string): string {
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return `${(new Date()).toISOString()} [${LogModule[module]}] [${LogSeverity[severity]}] ${message}`
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}
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class DebugLogger extends Logger {
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log(severity: LogSeverity, module: LogModule, message: string): void {
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console.log(create_log_string(severity, module, message))
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}
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}
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const _logger: Logger = new DebugLogger()
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export default _logger
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