GopherJS

backend-entry.go

@@ -1,12 +1,13 @@
 // Our empty version of the httpServer for usage with the wasm target
 // this way we will not include any of the related code
-//go:build !wasm
+//go:build !js
 
 package main
 
 import (
-	"github.com/maxence-charriere/go-app/v9/pkg/app"
 	"go-nats-app/back"
+
+	"github.com/maxence-charriere/go-app/v9/pkg/app"
 )
 
 type empty struct{ app.Compo }

frontent-wasm.go

@@ -1,6 +1,6 @@
 // Our empty version of the httpServer for usage with the wasm target
 // this way we will not include any of the related code
-//go:build wasm
+//go:build js
 
 package main
 

go.mod

@@ -1,6 +1,6 @@
 module go-nats-app
 
-go 1.19
+go 1.18
 
 require (
 	github.com/go-chi/chi/v5 v5.0.7
@@ -25,3 +25,5 @@ require (
 	golang.org/x/sys v0.2.0 // indirect
 	golang.org/x/time v0.2.0 // indirect
 )
+
+replace github.com/maxence-charriere/go-app/v9 => github.com/nevkontakte/go-app/v9 v9.0.0-20230311130033-7d595cf8ec05

go.sum

@@ -45,8 +45,6 @@ github.com/magefile/mage v1.14.0 h1:6QDX3g6z1YvJ4olPhT1wksUcSa/V0a1B+pJb73fBjyo=
 github.com/magefile/mage v1.14.0/go.mod h1:z5UZb/iS3GoOSn0JgWuiw7dxlurVYTu+/jHXqQg881A=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/maxence-charriere/go-app/v9 v9.6.7 h1:t+wofnLjVsptBB7MNevsFymMYaMIX2hGjLdWgsIFgq4=
-github.com/maxence-charriere/go-app/v9 v9.6.7/go.mod h1:UlniES44R5JoD4HsjMNrAqWXSzyw0smM0Ox+QwnO/IE=
 github.com/minio/highwayhash v1.0.2 h1:Aak5U0nElisjDCfPSG79Tgzkn2gl66NxOMspRrKnA/g=
 github.com/minio/highwayhash v1.0.2/go.mod h1:BQskDq+xkJ12lmlUUi7U0M5Swg3EWR+dLTk+kldvVxY=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
@@ -63,6 +61,8 @@ github.com/nats-io/nkeys v0.3.0 h1:cgM5tL53EvYRU+2YLXIK0G2mJtK12Ft9oeooSZMA2G8=
 github.com/nats-io/nkeys v0.3.0/go.mod h1:gvUNGjVcM2IPr5rCsRsC6Wb3Hr2CQAm08dsxtV6A5y4=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
+github.com/nevkontakte/go-app/v9 v9.0.0-20230311130033-7d595cf8ec05 h1:D8IcaQrdz1vBUUM/tWe+aUtY/oq9Nd8k9bSGNWt4iuA=
+github.com/nevkontakte/go-app/v9 v9.0.0-20230311130033-7d595cf8ec05/go.mod h1:UlniES44R5JoD4HsjMNrAqWXSzyw0smM0Ox+QwnO/IE=
 github.com/o1egl/govatar v0.4.1 h1:RRzAxm52WpZMSEoWgAXrTcXWKhIUPpgpI54KP+UI0Ew=
 github.com/o1egl/govatar v0.4.1/go.mod h1:cSBJjpgYiKmQ8E+C4zNBcsbuDwy9UH4HS8BwE4m6JmQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

magefiles/magefile.go

@@ -2,16 +2,18 @@ package main
 
 import (
 	"fmt"
+	"runtime"
+
 	"github.com/magefile/mage/mg"
 	"github.com/magefile/mage/sh"
 	"github.com/magefile/mage/target"
-	"runtime"
 )
 
 var appExecutable = "bin/go-nats-app"
 var appDir = "."
 
 const goCompiler = "go"
+const gopherjsCompiler = "gopherjs"
 
 var appGlobs = []string{
 	"magefiles/magefile.go",
@@ -38,21 +40,20 @@ func buildApp() error {
 	return sh.RunV(goCompiler, "build", "-o", appExecutable, appDir)
 }
 
-func BuildWasm() error {
-	changes, err := target.Glob("web/app.wasm", appGlobs...)
+func BuildFrontend() error {
+	changes, err := target.Glob("web/app.js", appGlobs...)
 	if err != nil {
 		return err
 	}
 	if !changes {
 		return nil
 	}
-	fmt.Println("> Building WASM...")
-	return sh.RunWithV(map[string]string{"GOOS": "js", "GOARCH": "wasm"}, goCompiler, "build", "-o",
-		"web/app.wasm", appDir)
+	fmt.Println("> Building Frontend...")
+	return sh.RunV(gopherjsCompiler, "build", "-m", "-o", "web/app.js", appDir)
 }
 
 func Build() error {
-	mg.Deps(BuildWasm)
+	mg.Deps(BuildFrontend)
 	return buildApp()
 }
 

main.go

@@ -1,18 +1,19 @@
 package main
 
 import (
-	"github.com/maxence-charriere/go-app/v9/pkg/app"
 	"math/rand"
 	"time"
+
+	"github.com/maxence-charriere/go-app/v9/pkg/app"
 )
 
 func main() {
 	rand.Seed(time.Now().UnixNano()) // needs to be better for a real app
 
 	// check the system for int64 fitting into int (so we can convert int64 to int safely)
-	if uint64(^uint(0)) < ^uint64(0) {
-		panic("int does not fit int64")
-	}
+	// if uint64(^uint(0)) < ^uint64(0) {
+	// 	panic("int does not fit int64")
+	// }
 
 	// This is behind a WASM build tag so the business logic of the UI does not increase
 	// the size of our server executable.