Emil
32 lines
927 B
TypeScript
32 lines
927 B
TypeScript
/**
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* Lightweight structured logger for server-side code.
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*
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* Wraps console.* with module prefixes and environment-aware filtering.
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* Suppresses info/warn in test environment to reduce noise.
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* Can be swapped for an external logging service (e.g. Axiom, Datadog) later.
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*/
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type LogLevel = 'info' | 'warn' | 'error'
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function shouldLog(level: LogLevel): boolean {
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if (process.env.NODE_ENV === 'test') {
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return level === 'error'
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}
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return true
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}
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export function createLogger(module: string) {
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const prefix = `[${module}]`
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return {
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info(message: string, ...args: unknown[]) {
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if (shouldLog('info')) console.log(prefix, message, ...args)
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},
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warn(message: string, ...args: unknown[]) {
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if (shouldLog('warn')) console.warn(prefix, message, ...args)
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},
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error(message: string, ...args: unknown[]) {
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if (shouldLog('error')) console.error(prefix, message, ...args)
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},
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}
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}
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