all: check markup modification time before converting to HTML

Previously, when the Convert, Watch or Serve running it will convert
all markup files into HTML without checking if the adoc has been modified
or newer than HTML file.

This changes check the modification time of markup file first before
converting them, to minimize unnecessary operation.

1 files changed, 11 insertions, 16 deletions

diff --git a/ciigo.go b/ciigo.go
index c551ddd..a5d4e84 100644
--- a/ciigo.go
+++ b/ciigo.go
@@ -241,12 +241,16 @@ func listFileMarkups(dir string, excRE []*regexp.Regexp) (
 
 	for _, fi := range fis {
 		name := fi.Name()
+		filePath := filepath.Join(dir, name)
 
-		if fi.IsDir() && name[0] != '.' {
-			newdir := filepath.Join(dir, fi.Name())
-			fmarkups, err := listFileMarkups(newdir, excRE)
+		if fi.IsDir() {
+			if name[0] == '.' {
+				// Skip any directory start with '.'.
+				continue
+			}
+			fmarkups, err := listFileMarkups(filePath, excRE)
 			if err != nil {
-				return nil, fmt.Errorf("%s: %w", logp, err)
+				return nil, fmt.Errorf("%s: %s: %w", logp, filePath, err)
 			}
 			for k, v := range fmarkups {
 				fileMarkups[k] = v
@@ -261,22 +265,13 @@ func listFileMarkups(dir string, excRE []*regexp.Regexp) (
 		if fi.Size() == 0 {
 			continue
 		}
-
-		filePath := filepath.Join(dir, name)
-
 		if isExcluded(filePath, excRE) {
 			continue
 		}
-
-		fmarkup := &fileMarkup{
-			path:     filePath,
-			info:     fi,
-			basePath: strings.TrimSuffix(filePath, ext),
-			fhtml:    &fileHTML{},
+		fmarkup, err := newFileMarkup(filePath, fi)
+		if err != nil {
+			return nil, fmt.Errorf("%s: %s: %w", logp, filePath, err)
 		}
-
-		fmarkup.fhtml.path = fmarkup.basePath + ".html"
-
 		fileMarkups[filePath] = fmarkup
 	}