✨ new feature: serve command

commands/serve.v

@@ -0,0 +1,119 @@
+module commands
+
+import cli
+import log
+import net.http
+import os
+
+const cport = 8080
+
+fn new_serve_cmd() cli.Command {
+	return cli.Command{
+		name: 'serve'
+		description: 'serve dist'
+		usage: 'vss serve'
+		execute: fn (cmd cli.Command) ? {
+			mut logger := log.Log{}
+			logger.set_level(log.Level.info)
+			serve(mut logger) or {
+				logger.error(err.msg())
+				println('serve failed')
+			}
+		}
+	}
+}
+
+struct MyHttpHandler {
+mut:
+	root string
+}
+
+fn normalise_path(path string) string {
+	cwd := os.getwd() + os.path_separator
+	mut res := os.abs_path(path).replace(cwd, '').replace(os.path_separator, '/')
+	return res
+}
+
+fn (mut handler MyHttpHandler) handle(req http.Request) http.Response {
+	mut r := http.Response{
+		header: req.header
+	}
+
+	// コンテンツを返すための処理
+	wd := os.getwd()
+	os_spec_path := req.url.replace('/', os.path_separator)
+	mut file := wd + os.path_separator + handler.root + os_spec_path
+
+	if os.is_dir(file) {
+		file = file + os.path_separator + 'index.html'
+	} else {
+		if !os.is_file(file) {
+			file = file + '.html'
+		}
+	}
+
+	html := os.read_file(file) or {
+		eprintln(err)
+		r.set_status(.not_found)
+		r.body = 'Not Found'
+		r.set_version(req.version)
+		return r
+	}
+
+	r.body = html
+	r.set_status(.ok)
+	r.set_version(req.version)
+	return r
+}
+
+struct Watcher {
+	path string
+mut:
+	time_stamp i64
+}
+
+fn watch(path string, mut logger log.Log) {
+	mut res := []string{}
+	os.walk_with_context(path, &res, fn (mut res []string, fpath string) {
+		res << fpath
+	})
+
+	mut watchers := []Watcher{}
+	for p in res {
+		mut w := Watcher{
+			path: p
+			time_stamp: os.file_last_mod_unix(p)
+		}
+		watchers << w
+	}
+
+	for {
+		for mut w in watchers {
+			now := os.file_last_mod_unix(w.path)
+			if now > w.time_stamp {
+				println('modified file: $w.path')
+				w.time_stamp = now
+
+				build(mut logger) or {
+					logger.error(err.msg())
+					println('Build failed')
+				}
+			}
+		}
+	}
+}
+
+fn serve(mut logger log.Log) ? {
+	mut handler := MyHttpHandler{
+		root: 'dist'
+	}
+	mut server := &http.Server{
+		handler: handler
+		port: commands.cport
+	}
+	println('http://localhost:$commands.cport')
+	w := go watch('dist', mut logger)
+	server.listen_and_serve() or { panic(err) }
+
+	w.wait()
+}

commands/vss.v

@@ -6,7 +6,7 @@ import cli
 pub fn execute() {
 	mut app := cli.Command{
 		name: 'vss'
-		version: '0.0.9'
+		version: '0.0.10'
 		description: 'static site generator'
 		execute: fn (cmd cli.Command) ? {
 			println(cmd.help_message())
@@ -14,6 +14,7 @@ pub fn execute() {
 	}
 
 	app.add_command(new_build_cmd())
+	app.add_command(new_serve_cmd())
 
 	app.setup()
 	app.parse(os.args)