code cleanup/hardening

packages/shared/src/utils/logger.js

@@ -0,0 +1,12 @@
+const LEVELS = { error: 0, warn: 1, info: 2, debug: 3 };
+
+const current = LEVELS[process.env.LOG_LEVEL?.toLowerCase()] ?? LEVELS.info;
+
+const logger = {
+    error: (...args) => current >= LEVELS.error && console.error('[ERROR]', ...args),
+    warn:  (...args) => current >= LEVELS.warn  && console.warn( '[WARN]',  ...args),
+    info:  (...args) => current >= LEVELS.info  && console.log(  '[INFO]',  ...args),
+    debug: (...args) => current >= LEVELS.debug && console.log(  '[DEBUG]', ...args),
+};
+
+module.exports = logger;