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Vue.js usage with Golang Wasm
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| localhost:8080 | |
| gzip | |
| log ../access.log | |
| mime .wasm application/wasm |
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| set GOOS=js | |
| set GOARCH=wasm | |
| go build -o app.wasm main.go |
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| html, body { | |
| margin: 5px; | |
| padding: 0; | |
| } |
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| <html> | |
| <head> | |
| <link rel="stylesheet" href="index.css"> | |
| <script src="vue.js"></script> | |
| </head> | |
| <body> | |
| <div id="app"> | |
| <input type="text" v-model="message" size="20"></input> | |
| <button v-on:click="reverseMessage">Reverse Message</button> | |
| <button v-on:click="log">Log</button> | |
| <div> | |
| <pre>{{$data}}</pre> | |
| </div> | |
| </div> | |
| <script src="wasm_exec.js "></script> | |
| <script> | |
| if (!WebAssembly.instantiateStreaming) { // polyfill | |
| WebAssembly.instantiateStreaming = async (resp, importObject) => { | |
| const source = await (await resp).arrayBuffer(); | |
| return await WebAssembly.instantiate(source, importObject); | |
| }; | |
| } | |
| const go = new Go(); | |
| let mod, inst; | |
| WebAssembly.instantiateStreaming(fetch("app.wasm"), go.importObject).then((result) => { | |
| mod = result.module; | |
| inst = result.instance; | |
| go.run(inst); | |
| WebAssembly.instantiate(mod, go.importObject); // reset instance | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| // +build js,wasm | |
| package main | |
| import ( | |
| "syscall/js" | |
| ) | |
| const ( | |
| msg = "Welcome Wue.go" | |
| el = "#app" | |
| ) | |
| //M type | |
| type M = map[string]interface{} | |
| //Log function | |
| func Log(i ...interface{}) { | |
| js.Global().Get("console").Call("log", i...) | |
| } | |
| func reverse(s string) (result string) { | |
| for _, v := range s { | |
| result = string(v) + result | |
| } | |
| return | |
| } | |
| func main() { | |
| Vue := js.Global().Get("Vue") | |
| app := M{ | |
| "el": el, | |
| "data": M{"message": msg}, | |
| "methods": M{"reverseMessage": js.NewEventCallback(js.PreventDefault, func(ev js.Value) { | |
| data := js.Global().Get("app").Get("$data") | |
| mess := reverse(data.Get("message").String()) | |
| data.Set("message", mess) | |
| }), | |
| "log": js.NewCallback(func(args []js.Value) { | |
| Log(js.Global().Get("app").Get("$data")) | |
| })}, | |
| } | |
| js.Global().Set("app", Vue.New(app)) | |
| select {} | |
| } |
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