Fix leaflet and hlsjs js files not being served

Author: jlelse

Diff for: httpFs.go

@@ -21,7 +21,8 @@ func (a *goBlog) serveFs(f fs.FS, basePath string) http.HandlerFunc {
 		switch path.Ext(fileName) {
 		case ".js":
 			w.Header().Set(contentType, contenttype.JSUTF8)
-			_ = a.min.Get().Minify(contenttype.JS, w, file)
+			// Can't minify, because minify throws errors for some JS files
+			_, _ = io.Copy(w, file)
 		case ".css":
 			w.Header().Set(contentType, contenttype.CSSUTF8)
 			_ = a.min.Get().Minify(contenttype.CSS, w, file)

Diff for: httpFs_test.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"context"
+	"io"
+	"io/fs"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/carlmjohnson/requests"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_httpFs(t *testing.T) {
+	app := &goBlog{
+		cfg: createDefaultTestConfig(t),
+	}
+	_ = app.initConfig(false)
+
+	t.Run("Leaflet", func(t *testing.T) {
+		t.Parallel()
+		testFs(t, app, leafletFiles, "/-/", []string{
+			"/-/leaflet/leaflet.js",
+			"/-/leaflet/leaflet.css",
+			"/-/leaflet/markercluster.js",
+			"/-/leaflet/markercluster.css",
+			"/-/leaflet/markercluster.default.css",
+		})
+	})
+
+	t.Run("Hls.js", func(t *testing.T) {
+		t.Parallel()
+		testFs(t, app, hlsjsFiles, "/-/", []string{
+			"/-/hlsjs/hls.js",
+		})
+	})
+
+}
+
+func testFs(t *testing.T, app *goBlog, files fs.FS, prefix string, paths []string) {
+	handler := app.serveFs(files, prefix)
+
+	for _, fp := range paths {
+		t.Run(fp, func(t *testing.T) {
+			fp := fp
+
+			t.Parallel()
+
+			w := httptest.NewRecorder()
+			r, _ := requests.URL(fp).Method(http.MethodGet).Request(context.Background())
+
+			handler.ServeHTTP(w, r)
+
+			result := w.Result()
+			bodyContent, _ := io.ReadAll(result.Body)
+			result.Body.Close()
+
+			require.NotEmpty(t, bodyContent)
+		})
+	}
+}