Index generation

2025-10-08 15:02:13 -07:00
parent 16267aff64
commit 6f4cf627c6
4 changed files with 163 additions and 0 deletions
--- a/build/generate-index.go
+++ b/build/generate-index.go
@@ -0,0 +1,70 @@
+package main
+
+import (
+	"fmt"
+	"html/template"
+	"os"
+	"path/filepath"
+	"sort"
+)
+
+type IndexData struct {
+	Dir   string
+	Files []string
+}
+
+func generateIndex(dir string) error {
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return fmt.Errorf("failed to read directory: %w", err)
+	}
+
+	var files []string
+	for _, entry := range entries {
+		name := entry.Name()
+		// Skip the index.html itself and hidden files
+		if name != "index.html" && !filepath.HasPrefix(name, ".") {
+			files = append(files, name)
+		}
+	}
+	sort.Strings(files)
+
+	templatePath := "build/index.html.tmpl"
+	tmpl, err := template.ParseFiles(templatePath)
+	if err != nil {
+		return fmt.Errorf("failed to parse template: %w", err)
+	}
+
+	indexPath := filepath.Join(dir, "index.html")
+	f, err := os.Create(indexPath)
+	if err != nil {
+		return fmt.Errorf("failed to create index.html: %w", err)
+	}
+	defer f.Close()
+
+	data := IndexData{
+		Dir:   filepath.Base(dir),
+		Files: files,
+	}
+
+	if err := tmpl.Execute(f, data); err != nil {
+		return fmt.Errorf("failed to execute template: %w", err)
+	}
+
+	fmt.Printf("Generated index.html in %s\n", dir)
+	return nil
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("Usage: generate-index <directory> [<directory>...]")
+		os.Exit(1)
+	}
+
+	for _, dir := range os.Args[1:] {
+		if err := generateIndex(dir); err != nil {
+			fmt.Fprintf(os.Stderr, "Error processing %s: %v\n", dir, err)
+			os.Exit(1)
+		}
+	}
+}
--- a/build/index.html.tmpl
+++ b/build/index.html.tmpl
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>Index of {{.Dir}}</title>
+    <style>
+        body {
+            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
+            max-width: 800px;
+            margin: 50px auto;
+            padding: 0 20px;
+        }
+        h1 { color: #333; }
+        ul { list-style: none; padding: 0; }
+        li { padding: 8px 0; border-bottom: 1px solid #eee; }
+        a { text-decoration: none; color: #0066cc; }
+        a:hover { text-decoration: underline; }
+    </style>
+</head>
+<body>
+    <h1>Index of {{.Dir}}</h1>
+    <ul>
+    {{- range .Files}}
+        <li><a href="{{.}}">{{.}}</a></li>
+    {{- end}}
+    </ul>
+</body>
+</html>