Optimize code

Makefile

@@ -26,7 +26,7 @@ tools-dir:
 
 install-staticcheck: tools-dir
 	GOBIN=`pwd`/tools/bin go install honnef.co/go/tools/cmd/staticcheck@latest
-	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b ./tools/bin v1.52.2
+	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b ./tools/bin v1.59.1
 
 static-check: install-staticcheck
 	#S1000,SA1015,SA4006,SA4011,S1023,S1034,ST1003,ST1005,ST1016,ST1020,ST1021
@@ -39,6 +39,5 @@ test:
 clean:
 	rm -rf prefetch remote-raw exhaust tools coverage.txt metadata exhaust_test
 
-
 docker:
 	DOCKER_BUILDKIT=1 docker build -t webpsh/webps .

encoder/encoder.go

@@ -126,10 +126,18 @@ func convertImage(rawPath, optimizedPath, imageType string, extraParams config.E
 		FailOnError: boolFalse,
 		NumPages:    intMinusOne,
 	})
+	if err != nil {
+		log.Warnf("Can't open source image: %v", err)
+		return err
+	}
 	defer img.Close()
 
 	// Pre-process image(auto rotate, resize, etc.)
-	preProcessImage(img, imageType, extraParams)
+	err = preProcessImage(img, imageType, extraParams)
+	if err != nil {
+		log.Warnf("Can't pre-process source image: %v", err)
+		return err
+	}
 
 	switch imageType {
 	case "webp":

helper/helper.go

@@ -90,10 +90,7 @@ func CheckAllowedType(imgFilename string) bool {
 	}
 	imgFilenameExtension := strings.ToLower(path.Ext(imgFilename))
 	imgFilenameExtension = strings.TrimPrefix(imgFilenameExtension, ".") // .jpg -> jpg
-	if slices.Contains(config.Config.AllowedTypes, imgFilenameExtension) {
-		return true
-	}
-	return false
+	return slices.Contains(config.Config.AllowedTypes, imgFilenameExtension)
 }
 
 func GenOptimizedAbsPath(metadata config.MetaFile, subdir string) (string, string, string) {