refactor(src): split oversized modules

src/logging/levels.ts

@@ -0,0 +1,32 @@
+export const ALLOWED_LOG_LEVELS = [
+  "silent",
+  "fatal",
+  "error",
+  "warn",
+  "info",
+  "debug",
+  "trace",
+] as const;
+
+export type LogLevel = (typeof ALLOWED_LOG_LEVELS)[number];
+
+export function normalizeLogLevel(level?: string, fallback: LogLevel = "info") {
+  const candidate = (level ?? fallback).trim();
+  return ALLOWED_LOG_LEVELS.includes(candidate as LogLevel)
+    ? (candidate as LogLevel)
+    : fallback;
+}
+
+export function levelToMinLevel(level: LogLevel): number {
+  // tslog level ordering: fatal=0, error=1, warn=2, info=3, debug=4, trace=5
+  const map: Record<LogLevel, number> = {
+    fatal: 0,
+    error: 1,
+    warn: 2,
+    info: 3,
+    debug: 4,
+    trace: 5,
+    silent: Number.POSITIVE_INFINITY,
+  };
+  return map[level];
+}