Working version

go.mod

@@ -0,0 +1,17 @@
+module gitlab.codeblob.work/pk/gowebbuild
+
+go 1.17
+
+require (
+	github.com/evanw/esbuild v0.14.5
+	github.com/goyek/goyek v0.6.0
+	github.com/jaschaephraim/lrserver v0.0.0-20171129202958-50d19f603f71
+	github.com/radovskyb/watcher v1.0.7
+)
+
+require (
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/smartystreets/goconvey v1.7.2 // indirect
+	golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365 // indirect
+	gopkg.in/fsnotify.v1 v1.4.7 // indirect
+)

go.sum

@@ -0,0 +1,27 @@
+github.com/evanw/esbuild v0.14.5 h1:Gh/vGvDL/g++7erzQZofohZqFBzQblWfLdtYCf15zcQ=
+github.com/evanw/esbuild v0.14.5/go.mod h1:GG+zjdi59yh3ehDn4ZWfPcATxjPDUH53iU4ZJbp7dkY=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/goyek/goyek v0.6.0 h1:2YQ4V3X7q+zFF98IBWMc1WRwfzs0TQ8jrwOKY3XRQRk=
+github.com/goyek/goyek v0.6.0/go.mod h1:UGjZz3juJL2l2eMqRbxQYjG8ieyKb7WMYPv0KB0KVxA=
+github.com/jaschaephraim/lrserver v0.0.0-20171129202958-50d19f603f71 h1:24NdJ5N6gtrcoeS4JwLMeruKFmg20QdF/5UnX5S/j18=
+github.com/jaschaephraim/lrserver v0.0.0-20171129202958-50d19f603f71/go.mod h1:ozZLfjiLmXytkIUh200wMeuoQJ4ww06wN+KZtFP6j3g=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
+github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
+github.com/radovskyb/watcher v1.0.7 h1:AYePLih6dpmS32vlHfhCeli8127LzkIgwJGcwwe8tUE=
+github.com/radovskyb/watcher v1.0.7/go.mod h1:78okwvY5wPdzcb1UYnip1pvrZNIVEIh/Cm+ZuvsUYIg=
+github.com/smartystreets/assertions v1.2.0 h1:42S6lae5dvLc7BrLu/0ugRtcFVjoJNMC/N3yZFZkDFs=
+github.com/smartystreets/assertions v1.2.0/go.mod h1:tcbTF8ujkAEcZ8TElKY+i30BzYlVhC/LOxJk7iOWnoo=
+github.com/smartystreets/goconvey v1.7.2 h1:9RBaZCeXEQ3UselpuwUQHltGVXvdwm6cv1hgR6gDIPg=
+github.com/smartystreets/goconvey v1.7.2/go.mod h1:Vw0tHAZW6lzCRk3xgdin6fKYcG+G3Pg9vgXWeJpQFMM=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365 h1:6wSTsvPddg9gc/mVEEyk9oOAoxn+bT4Z9q1zx+4RwA4=
+golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=

main.go

@@ -0,0 +1,116 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/evanw/esbuild/pkg/api"
+	"github.com/goyek/goyek"
+	"github.com/jaschaephraim/lrserver"
+	"github.com/radovskyb/watcher"
+)
+
+var triggerReload = make(chan struct{})
+
+type options struct {
+	ESBuild api.BuildOptions
+	Watch   struct {
+		Path string
+	}
+}
+
+func main() {
+	opts := options{}
+	cfgContent, err := os.ReadFile("./.gowebbuild.json")
+
+	if err != nil {
+		fmt.Printf("%+v\n", err)
+		os.Exit(1)
+	}
+
+	err = json.Unmarshal(cfgContent, &opts)
+	if err != nil {
+		fmt.Printf("%+v\n", err)
+		os.Exit(1)
+	}
+
+	flow := &goyek.Flow{}
+
+	flow.Register(goyek.Task{
+		Name:  "watch-frontend",
+		Usage: "",
+		Action: func(tf *goyek.TF) {
+			c := make(chan os.Signal, 1)
+			signal.Notify(c, os.Interrupt, syscall.SIGTERM)
+
+			fmt.Println("Starting live reload server")
+
+			go func() {
+				w := watcher.New()
+				w.SetMaxEvents(1)
+				w.FilterOps(watcher.Write, watcher.Rename, watcher.Move, watcher.Create, watcher.Remove)
+				if err := w.AddRecursive(opts.Watch.Path); err != nil {
+					fmt.Println(err.Error())
+					os.Exit(1)
+				}
+
+				go func() {
+					for {
+						select {
+						case event := <-w.Event:
+							fmt.Printf("File %s changed\n", event.Name())
+							build(opts)
+						case err := <-w.Error:
+							fmt.Println(err.Error())
+						case <-w.Closed:
+							return
+						}
+					}
+				}()
+
+				fmt.Printf("Watching %d elements in %s\n", len(w.WatchedFiles()), opts.Watch.Path)
+
+				if err := w.Start(time.Millisecond * 100); err != nil {
+					fmt.Println(err.Error())
+				}
+			}()
+
+			go func() {
+				lr := lrserver.New(lrserver.DefaultName, lrserver.DefaultPort)
+
+				go func() {
+					for {
+						<-triggerReload
+						lr.Reload("")
+					}
+				}()
+
+				lr.SetStatusLog(nil)
+				err := lr.ListenAndServe()
+				if err != nil {
+					panic(err)
+				}
+			}()
+
+			<-c
+			fmt.Println("\nExit")
+			os.Exit(0)
+		},
+	})
+
+	flow.Main()
+}
+
+func build(opts options) {
+	result := api.Build(opts.ESBuild)
+
+	if len(result.Errors) > 0 {
+		os.Exit(1)
+	} else {
+		triggerReload <- struct{}{}
+	}
+}