app 修复 init 生成工程缺少 vendor 目录的问题

README.md

@@ -19,9 +19,10 @@
 
 安装和测试:
 
-1. `go install github.com/wa-lang/wa@latest`
-2. `wa init -name=_examples/hi`
-3. `wa run _examples/hi`
+1. 安装 [Clang](https://clang.llvm.org), 确保本地 `clang` 命令有效
+2. `go install github.com/wa-lang/wa@latest`
+3. `wa init -name=_examples/hi`
+4. `wa run _examples/hi`
 
 ## 设计目标
 

internal/app/app.wa.go

@@ -117,8 +117,8 @@ func (p *App) InitApp(name, pkgpath string, update bool) error {
 		Year:    time.Now().Year(),
 	}
 
-	fileSys := waroot.GetExampleAppFS()
-	return fs.WalkDir(fileSys, ".", func(path string, d fs.DirEntry, err error) error {
+	appFS := waroot.GetExampleAppFS()
+	err := fs.WalkDir(appFS, ".", func(path string, d fs.DirEntry, err error) error {
 		if d == nil || d.IsDir() {
 			return nil
 		}
@@ -126,7 +126,7 @@ func (p *App) InitApp(name, pkgpath string, update bool) error {
 			return err
 		}
 
-		data, err := fs.ReadFile(fileSys, path)
+		data, err := fs.ReadFile(appFS, path)
 		if err != nil {
 			return err
 		}
@@ -152,6 +152,50 @@ func (p *App) InitApp(name, pkgpath string, update bool) error {
 
 		return nil
 	})
+	if err != nil {
+		return err
+	}
+
+	vendorFS := waroot.GetExampleVendorFS()
+	err = fs.WalkDir(vendorFS, ".", func(path string, d fs.DirEntry, err error) error {
+		if d == nil || d.IsDir() {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+
+		data, err := fs.ReadFile(vendorFS, path)
+		if err != nil {
+			return err
+		}
+
+		tmpl, err := template.New(path).Parse(string(data))
+		if err != nil {
+			return err
+		}
+
+		dstpath := filepath.Join(name, "vendor", path)
+		os.MkdirAll(filepath.Dir(dstpath), 0777)
+
+		f, err := os.Create(dstpath)
+		if err != nil {
+			return err
+		}
+		defer f.Close()
+
+		err = tmpl.Execute(f, &info)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	return nil
 }
 
 func (p *App) Fmt(path string) error {

internal/waroot/example.go

@@ -7,11 +7,22 @@ import (
 	"io/fs"
 )
 
-//go:embed _example_template
+//go:embed _example_app
 var _exampleAppFS embed.FS
 
+//go:embed _example_vendor
+var _exampleVendorFS embed.FS
+
 func GetExampleAppFS() fs.FS {
-	fs, err := fs.Sub(_exampleAppFS, "_example_template")
+	fs, err := fs.Sub(_exampleAppFS, "_example_app")
+	if err != nil {
+		panic(err)
+	}
+	return fs
+}
+
+func GetExampleVendorFS() fs.FS {
+	fs, err := fs.Sub(_exampleVendorFS, "_example_vendor")
 	if err != nil {
 		panic(err)
 	}