Fix non-working script

deezer_importer/logger.js

@@ -0,0 +1,49 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//                                                  Logger
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+var LOGGER = (function () {
+    let LOG_LEVEL = 'info';
+
+    function fnDebug() {
+        if (LOG_LEVEL == 'debug') {
+            _log('DEBUG', arguments);
+        }
+    }
+
+    function fnInfo() {
+        if (LOG_LEVEL == 'debug' || LOG_LEVEL === 'info') {
+            _log('INFO', arguments);
+        }
+    }
+
+    function fnError() {
+        _log('ERROR', arguments);
+    }
+
+    function fnSetLevel(level) {
+        LOG_LEVEL = level;
+    }
+
+    // --------------------------------------- privates ----------------------------------------- //
+
+    function _log(level, args) {
+        // Prepends log level to things that will be logged
+        args = Array.prototype.slice.call(args);
+        args.unshift(`[${level}]`);
+        try {
+            console.log.apply(this, args);
+        } catch (e) {
+            // do nothing
+        }
+    }
+
+    // ---------------------------------- expose publics here ------------------------------------ //
+
+    return {
+        debug: fnDebug,
+        info: fnInfo,
+        error: fnError,
+        setLevel: fnSetLevel,
+    };
+})();