Minify exclusions (#31)

* add minify exclusions support

* load exclusions

* fix bug

* load minify

* fix yaml type coersion

* skip dot files when building

config/config.go

@@ -31,10 +31,11 @@ type Config struct {
 	Lang           string
 	HighlightTheme string
 
-	Minify        bool
-	LiveReload    bool
-	LinkStatic    bool
-	IncludeDrafts bool
+	Minify           bool
+	MinifyExclusions []string
+	LiveReload       bool
+	LinkStatic       bool
+	IncludeDrafts    bool
 
 	ServerHost string
 	ServerPort int
@@ -50,20 +51,21 @@ func Load(rootDir string) (*Config, error) {
 	// TODO allow to disable minify
 
 	config := &Config{
-		RootDir:        rootDir,
-		SrcDir:         filepath.Join(rootDir, "src"),
-		TargetDir:      filepath.Join(rootDir, "target"),
-		LayoutsDir:     filepath.Join(rootDir, "layouts"),
-		IncludesDir:    filepath.Join(rootDir, "includes"),
-		DataDir:        filepath.Join(rootDir, "data"),
-		PostFormat:     "blog/:title.org",
-		Lang:           "en",
-		HighlightTheme: "github",
-		Minify:         true,
-		LiveReload:     false,
-		LinkStatic:     false,
-		IncludeDrafts:  false,
-		pageDefaults:   map[string]interface{}{},
+		RootDir:          rootDir,
+		SrcDir:           filepath.Join(rootDir, "src"),
+		TargetDir:        filepath.Join(rootDir, "target"),
+		LayoutsDir:       filepath.Join(rootDir, "layouts"),
+		IncludesDir:      filepath.Join(rootDir, "includes"),
+		DataDir:          filepath.Join(rootDir, "data"),
+		PostFormat:       "blog/:title.org",
+		Lang:             "en",
+		HighlightTheme:   "github",
+		Minify:           true,
+		MinifyExclusions: make([]string, 0),
+		LiveReload:       false,
+		LinkStatic:       false,
+		IncludeDrafts:    false,
+		pageDefaults:     map[string]interface{}{},
 	}
 
 	// load overrides from config.yml
@@ -83,18 +85,23 @@ func Load(rootDir string) (*Config, error) {
 	}
 
 	// set user-provided overrides of declared config keys
-	// TODO less copypasty way of declaring config overrides
+	// FIXME less copypasty way of declaring config overrides
 	if url, found := config.overrides["url"]; found {
 		config.SiteUrl = url.(string)
 	}
 	if format, found := config.overrides["post_format"]; found {
 		config.PostFormat = format.(string)
 	}
-	if format, found := config.overrides["lang"]; found {
-		config.Lang = format.(string)
+	if lang, found := config.overrides["lang"]; found {
+		config.Lang = lang.(string)
 	}
-	if format, found := config.overrides["highlight_theme"]; found {
-		config.HighlightTheme = format.(string)
+	if theme, found := config.overrides["highlight_theme"]; found {
+		config.HighlightTheme = theme.(string)
+	}
+	if exclusions, found := config.overrides["minify_exclusions"]; found {
+		for _, exclusion := range exclusions.([]interface{}) {
+			config.MinifyExclusions = append(config.MinifyExclusions, exclusion.(string))
+		}
 	}
 
 	return config, nil

markup/minify.go

@@ -2,6 +2,7 @@ package markup
 
 import (
 	"io"
+	"path/filepath"
 	"slices"
 
 	"github.com/tdewolff/minify/v2"
@@ -14,20 +15,28 @@ import (
 var SUPPORTED_MINIFIERS = []string{".css", ".html", ".js", ".xml"}
 
 type Minifier struct {
-	minifier *minify.M
+	minifier   *minify.M
+	exclusions []string
 }
 
-func LoadMinifier() Minifier {
+func LoadMinifier(exclusions []string) Minifier {
 	minifier := minify.New()
 	minifier.AddFunc(".css", css.Minify)
 	minifier.AddFunc(".html", html.Minify)
 	minifier.AddFunc(".js", js.Minify)
 	minifier.AddFunc(".xml", xml.Minify)
-	return Minifier{minifier}
+	return Minifier{minifier, exclusions}
 }
 
-func (m *Minifier) Minify(extension string, contentReader io.Reader) io.Reader {
+func (m *Minifier) Minify(path string, contentReader io.Reader) io.Reader {
 
+	for _, exclusion := range m.exclusions {
+		if matched, _ := filepath.Match(exclusion, path); matched {
+			return contentReader
+		}
+	}
+
+	extension := filepath.Ext(path)
 	if !slices.Contains(SUPPORTED_MINIFIERS, extension) {
 		return contentReader
 	}

site/site.go

@@ -72,7 +72,7 @@ func load(config config.Config) (*site, error) {
 		return nil, err
 	}
 
-	site.minifier = markup.LoadMinifier()
+	site.minifier = markup.LoadMinifier(config.MinifyExclusions)
 
 	return &site, nil
 }
@@ -256,6 +256,10 @@ func (site *site) build() error {
 		if err != nil {
 			return err
 		}
+		if strings.HasPrefix(filepath.Base(path), ".") {
+			// skip dot files and directories
+			return nil
+		}
 		subpath, _ := filepath.Rel(site.config.SrcDir, path)
 		targetPath := filepath.Join(site.config.TargetDir, subpath)
 
@@ -338,7 +342,7 @@ func (site *site) buildFile(path string) error {
 		return err
 	}
 	if site.config.Minify {
-		contentReader = site.minifier.Minify(targetExt, contentReader)
+		contentReader = site.minifier.Minify(subpath, contentReader)
 	}
 
 	// write the file contents over to target