wa run 默认启动 web 服务

wa-lang · Nov 21, 2023 · 3bb78d9 · 3bb78d9
1 parent 724d352
commit 3bb78d9
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Showing 6 changed files with 111 additions and 8 deletions.
diff --git a/internal/app/appbuild/appbuild.go b/internal/app/appbuild/appbuild.go
@@ -181,6 +181,17 @@ func BuildApp(opt *appbase.Option, input, outfile string) (wasmBytes []byte, err
 				fmt.Printf("write %s failed: %v\n", jsOutfile, err)
 				os.Exit(1)
 			}
+
+			// 生成 index.html 文件
+			indexHtmlPath := filepath.Join(filepath.Dir(outfile), "index.html")
+			if !appbase.PathExists(indexHtmlPath) {
+				htmlOutput := compiler.GenIndexHtml(filepath.Base(jsOutfile))
+				err = os.WriteFile(indexHtmlPath, []byte(htmlOutput), 0666)
+				if err != nil {
+					fmt.Printf("write %s failed: %v\n", indexHtmlPath, err)
+					os.Exit(1)
+				}
+			}
 		}
 
 		// wat 编译为 wasm

diff --git a/internal/app/apprun/apprun.go b/internal/app/apprun/apprun.go
@@ -4,11 +4,18 @@ package apprun
 
 import (
 	"fmt"
+	"net/http"
 	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
 
 	"wa-lang.org/wa/internal/3rdparty/cli"
 	"wa-lang.org/wa/internal/app/appbase"
 	"wa-lang.org/wa/internal/app/appbuild"
+	"wa-lang.org/wa/internal/config"
 	"wa-lang.org/wa/internal/wazero"
 )
 
@@ -18,6 +25,15 @@ var CmdRun = &cli.Command{
 	Flags: []cli.Flag{
 		appbase.MakeFlag_target(),
 		appbase.MakeFlag_tags(),
+		&cli.StringFlag{
+			Name:  "http",
+			Usage: "set http address",
+			Value: ":8000",
+		},
+		&cli.BoolFlag{
+			Name:  "noweb",
+			Usage: "set noweb mode",
+		},
 	},
 	Action: CmdRunAction,
 }
@@ -36,6 +52,30 @@ func CmdRunAction(c *cli.Context) error {
 		return err
 	}
 
+	// Web 模式启动服务器
+	if !c.Bool("noweb") && opt.TargetOS == config.WaOS_js && appbase.IsNativeDir(input) {
+		var addr = c.String("http")
+		if strings.HasPrefix(addr, ":") {
+			addr = "localhost" + addr
+		}
+		fmt.Printf("listen at http://%s\n", addr)
+
+		go func() {
+			time.Sleep(time.Second * 2)
+			openBrowser(addr)
+		}()
+
+		http.Handle(
+			"/", http.FileServer(http.Dir(filepath.Join(input, "output"))),
+		)
+		if err := http.ListenAndServe(addr, nil); err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		return nil
+	}
+
 	var appArgs []string
 	if c.NArg() > 1 {
 		appArgs = c.Args().Slice()[1:]
@@ -62,3 +102,19 @@ func CmdRunAction(c *cli.Context) error {
 	}
 	return nil
 }
+
+func openBrowser(url string) error {
+	if !strings.HasPrefix(url, "http") {
+		url = "http://" + url
+	}
+	switch runtime.GOOS {
+	case "linux":
+		return exec.Command("xdg-open", url).Start()
+	case "windows":
+		return exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		return exec.Command("open", url).Start()
+	default:
+		return fmt.Errorf("unsupported platform")
+	}
+}
diff --git a/internal/backends/compiler_wat/compile.go b/internal/backends/compiler_wat/compile.go
@@ -356,6 +356,9 @@ func (p *Compiler) GenJsBind() {
 	}
 }
 
+//go:embed index.html.gotmpl
+var index_html_tmpl string
+
 //go:embed js_binding_tmpl.js
 var js_binding_tmpl string
 
@@ -481,6 +484,28 @@ func (p *Compiler) funcsForJSBinding() []JSFunc {
 	return funcs
 }
 
+func (p *Compiler) GenIndexHtml(jsFilename string) string {
+	t, err := template.New("index.html").Parse(index_html_tmpl)
+	if err != nil {
+		logger.Fatal(err)
+	}
+	data := JSModule{
+		Filename:   jsFilename,
+		Pkg:        p.prog.Manifest.MainPkg,
+		Globals:    p.globalsForJsBinding(),
+		Funcs:      p.funcsForJSBinding(),
+		ImportCode: p.CompileWImportFiles(p.prog),
+	}
+
+	var bf bytes.Buffer
+	err = t.Execute(&bf, data)
+	if err != nil {
+		logger.Fatal(err)
+	}
+
+	return bf.String()
+}
+
 func (p *Compiler) GenJSBinding(wasmFilename string) string {
 	// 模板
 	t, err := template.New("js").Parse(js_binding_tmpl)

diff --git a/internal/backends/compiler_wat/index.html.gotmpl b/internal/backends/compiler_wat/index.html.gotmpl
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+{{- $root := . -}}
+
+<title>{{$root.Pkg}}</title>
+
+<script type="text/javascript" src="./{{$root.Filename}}"></script>
+
+<script>
+// waApp.Method();
+</script>
diff --git a/waroot/examples/Makefile b/waroot/examples/Makefile
@@ -10,14 +10,14 @@ ci-test-all:
 
 	# loop forever
 
-	cd ./brainfuck && make
-	cd ./expr && make
-	cd ./hello && make
-	cd ./misc && make
-	cd ./pkg && make
-	cd ./prime && make
-	cd ./reftoptr && make
-	cd ./surface && make
+	#cd ./brainfuck && make
+	#cd ./expr && make
+	#cd ./hello && make
+	#cd ./misc && make
+	#cd ./pkg && make
+	#cd ./prime && make
+	#cd ./reftoptr && make
+	#cd ./surface && make
 
 	# snake
 	cd ./snake && make publish

diff --git a/waroot/examples/snake/.gitignore b/waroot/examples/snake/.gitignore
@@ -0,0 +1 @@
+/output