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main.go
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main.go
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package main
import (
"fmt"
"syscall/js"
"github.com/OhYee/rainbow/errors"
"github.com/OhYee/wasm/dom"
wasm "github.com/OhYee/wasm/package"
)
//go:generate bash -c "GOARCH=wasm GOOS=js go build -o main.wasm main.go"
func sayHi(name string) string {
return fmt.Sprintf("Hi, %s", name)
}
func main() {
pkg := wasm.NewPackage("demo")
pkg.ExportFunction("sayHi", func(this js.Value, args []js.Value) (ret interface{}, err error) {
if len(args) >= 1 && args[0].Type() == js.TypeString {
name := args[0].String()
return sayHi(name), nil
}
err = errors.New("Call failed: sayHi(name:string):string need a string argument")
return
})
span := dom.NewSpan()
span.SetInnerText("input some thing")
input := dom.NewInput()
input.SetOnInput(
func(this dom.Input, args []js.Value) interface{} {
span.SetInnerText(this.Value())
return nil
},
)
dom.Body.AppendChild(input.Element)
dom.Body.AppendChild(span.Element)
pkg.Run()
}