feat: logger

mx-interpreter/utils/logger.ts

@@ -0,0 +1,30 @@
+/*
+* Logger class for more detailed and comprehensible logs (with colors and timestamps)
+*/
+
+export enum Level {
+    DATE = 36,
+    LOG = 0,
+    WARN = 93,
+    ERROR = 31,
+    DEBUG = 95,
+    RESET = 0,
+  }
+  
+  export default function logger(
+    message: string | Error,
+    level: (Level.LOG | Level.WARN | Level.ERROR | Level.DEBUG) = Level.LOG,
+  ) {
+    let m = message;
+    if (message.constructor.name.includes('Error') && typeof message !== 'string') {
+      m = <Error><unknown>(message).message;
+    }
+    process.stdout.write(`\x1b[${Level.DATE}m[${(new Date()).toLocaleString()}]\x1b[0m `);
+    process.stdout.write(`\x1b[${level}m`);
+    if (level === Level.ERROR || level === Level.WARN) {
+      process.stderr.write(<string>m);
+    } else {
+      process.stdout.write(<string>m);
+    }
+    process.stdout.write(`\x1b[${Level.RESET}m\n`);
+  }