Files
La-Fabrik/src/utils/logger.ts
T
2026-04-27 10:53:50 +02:00

112 lines
2.4 KiB
TypeScript

import type {
LogContext,
LogEntry,
LogLevel,
LoggerConfig,
} from "@/types/logger";
import { isDebugEnabled } from "@/utils/debug/isDebugEnabled";
const LEVEL_PRIORITY: Record<LogLevel, number> = {
debug: 10,
info: 20,
warn: 30,
error: 40,
};
const LEVEL_LABELS: Record<LogLevel, string> = {
debug: "DEBUG",
info: "INFO",
warn: "WARN",
error: "ERROR",
};
const LEVEL_STYLES: Record<LogLevel, string> = {
debug: "color: #94a3b8; font-weight: 600;",
info: "color: #60a5fa; font-weight: 600;",
warn: "color: #f59e0b; font-weight: 600;",
error: "color: #f87171; font-weight: 600;",
};
const SCOPE_STYLE = "color: #e5e7eb; font-weight: 600;";
const MESSAGE_STYLE = "color: inherit;";
class Logger {
private readonly config: LoggerConfig;
constructor(config: LoggerConfig) {
this.config = config;
}
debug(scope: string, message: string, context?: LogContext): void {
this.log("debug", scope, message, context);
}
info(scope: string, message: string, context?: LogContext): void {
this.log("info", scope, message, context);
}
warn(scope: string, message: string, context?: LogContext): void {
this.log("warn", scope, message, context);
}
error(scope: string, message: string, context?: LogContext): void {
this.log("error", scope, message, context);
}
private log(
level: LogLevel,
scope: string,
message: string,
context?: LogContext,
): void {
if (!this.shouldLog(level)) return;
const entry: LogEntry = {
timestamp: new Date().toISOString(),
level,
scope,
message,
...(context ? { context } : {}),
};
const formattedMessage = `%c[${LEVEL_LABELS[level]}]%c [${scope}]%c ${message}`;
const args = [
formattedMessage,
LEVEL_STYLES[level],
SCOPE_STYLE,
MESSAGE_STYLE,
entry,
] as const;
switch (level) {
case "debug":
console.debug(...args);
return;
case "info":
console.info(...args);
return;
case "warn":
console.warn(...args);
return;
case "error":
console.error(...args);
}
}
private shouldLog(level: LogLevel): boolean {
return LEVEL_PRIORITY[level] >= LEVEL_PRIORITY[this.config.minLevel];
}
}
function resolveMinLevel(): LogLevel {
if (typeof window === "undefined") {
return "info";
}
return isDebugEnabled() ? "debug" : "info";
}
export const logger = new Logger({
minLevel: resolveMinLevel(),
});