| package main | |
| import ( | |
| "syscall/js" | |
| ) | |
| func main() { | |
| c := make(chan bool, 0) | |
| add := func (this js.Value, inputs []js.Value) interface{} { | |
| return js.ValueOf(inputs[0].Int() + inputs[1].Int()) | |
| } | |
| closeGo := func(this js.Value, inputs []js.Value) interface {} { | |
| c <- true | |
| return nil | |
| } | |
| setGlobal42 := func (this js.Value, inputs []js.Value) interface {} { | |
| js.Global().Set("$42", js.ValueOf(42)) | |
| return nil | |
| } | |
| js.Global().Set("add", js.FuncOf(add)) | |
| js.Global().Set("closeGo", js.FuncOf(closeGo)) | |
| js.Global().Set("setGlobal42", js.FuncOf(setGlobal42)) | |
| <-c | |
| } |
| serve: compile | |
| go run server.go | |
| compile: main.go | |
| GOARCH=wasm GOOS=js go build -o test.wasm main.go |
| package main | |
| import ( | |
| "flag" | |
| "log" | |
| "net/http" | |
| "strings" | |
| ) | |
| var ( | |
| listen = flag.String("listen", ":8080", "listen address") | |
| dir = flag.String("dir", ".", "directory to serve") | |
| ) | |
| func main() { | |
| flag.Parse() | |
| log.Printf("listening on %q...", *listen) | |
| log.Fatal(http.ListenAndServe(*listen, http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) { | |
| if strings.HasSuffix(req.URL.Path, ".wasm") { | |
| resp.Header().Set("content-type", "application/wasm") | |
| } | |
| http.FileServer(http.Dir(*dir)).ServeHTTP(resp, req) | |
| }))) | |
| } |