feat: refactoring project

node_modules/babel-loader/lib/cache.js

@@ -105,18 +105,24 @@ const handleCache = /*#__PURE__*/function () {
       options = {},
       cacheIdentifier,
       cacheDirectory,
-      cacheCompression
+      cacheCompression,
+      logger
     } = params;
     const file = path.join(directory, filename(source, cacheIdentifier, options));
     try {
       // No errors mean that the file was previously cached
       // we just need to return it
+      logger.debug(`reading cache file '${file}'`);
       return yield read(file, cacheCompression);
-    } catch (err) {}
+    } catch (err) {
+      // conitnue if cache can't be read
+      logger.debug(`discarded cache as it can not be read`);
+    }
     const fallback = typeof cacheDirectory !== "string" && directory !== os.tmpdir();
 
     // Make sure the directory exists.
     try {
+      logger.debug(`creating cache folder '${directory}'`);
       yield makeDir(directory);
     } catch (err) {
       if (fallback) {
@@ -127,12 +133,14 @@ const handleCache = /*#__PURE__*/function () {
 
     // Otherwise just transform the file
     // return it to the user asap and write it in cache
+    logger.debug(`applying Babel transform`);
     const result = yield transform(source, options);
 
     // Do not cache if there are external dependencies,
     // since they might change and we cannot control it.
     if (!result.externalDependencies.length) {
       try {
+        logger.debug(`writing result to cache file '${file}'`);
         yield write(file, cacheCompression, result);
       } catch (err) {
         if (fallback) {