Add post build command and exclude the esbuild outdir in the watcher.

build.go

@@ -1,7 +1,9 @@
 package main
 
 import (
+	"fmt"
 	"os"
+	"os/exec"
 	"path/filepath"
 
 	"github.com/evanw/esbuild/pkg/api"
@@ -34,6 +36,19 @@ func buildAction(ctx *cli.Context) error {
 
 		api.Build(o.ESBuild.BuildOptions)
 		replace(o)
+
+		if ctx.Bool("p") && o.ProductionBuildOptions.CmdPostBuild != "" {
+			fmt.Printf("Executing post production build command `%s`\n", o.ProductionBuildOptions.CmdPostBuild)
+			cmd := exec.Command("sh", "-c", o.ProductionBuildOptions.CmdPostBuild)
+			cmd.Stdout = os.Stdout
+			cmd.Stderr = os.Stderr
+			err := cmd.Run()
+
+			if err != nil {
+				fmt.Printf("Failed to execute post production build command `%s`: %+v\n", o.ProductionBuildOptions.CmdPostBuild, err)
+				os.Exit(1)
+			}
+		}
 	}
 
 	return nil

linker.go

@@ -60,7 +60,8 @@ func link(from, to string) chan struct{} {
 					for k, v := range packages {
 						if strings.HasPrefix(event.Path, v) {
 							src := filepath.Dir(event.Path)
-							dest := filepath.Join(to, "node_modules", k)
+							subPath, _ := filepath.Rel(v, src)
+							dest := filepath.Join(to, "node_modules", k, subPath)
 							fmt.Printf("Copying %s to %s\n", src, dest)
 							err := copy.Copy(src, dest, copy.Options{
 								Skip: func(stat fs.FileInfo, src, dest string) (bool, error) {

main.go

@@ -28,7 +28,7 @@ type ESBuildExtended struct {
 type options struct {
 	ESBuild ESBuildExtended
 	Watch   struct {
-		Path    string
+		Paths   []string
 		Exclude []string
 	}
 	Serve struct {
@@ -52,6 +52,9 @@ type options struct {
 		From string
 		To   string
 	}
+	ProductionBuildOptions struct {
+		CmdPostBuild string
+	}
 }
 
 func readCfg(cfgPath string) []options {
@@ -89,7 +92,7 @@ func main() {
 	app := &cli.App{
 		Name:    "gowebbuild",
 		Usage:   "All in one tool to build web frontend projects.",
-		Version: "4.3.0",
+		Version: "4.4.0",
 		Authors: []*cli.Author{{
 			Name: "trading-peter (https://github.com/trading-peter)",
 		}},

sample.gowebbuild.json

@@ -1,6 +1,6 @@
 {
   "Watch": {
-    "Path": "./frontend/src",
+    "Paths": [ "./frontend/src" ],
     "Exclude": [ "./dist" ]
   },
   "Copy": [
@@ -45,5 +45,8 @@
     "Bundle":    true,
     "Write":     true,
     "LogLevel":  3
+  },
+  "ProductionBuildOptions": {
+    "CmdPostBuild": "my-build-script.sh"
   }
 }

watch.go

@@ -38,10 +38,16 @@ func watchAction(ctx *cli.Context) error {
 				w.Ignore(opts.Watch.Exclude...)
 			}
 
-			if err := w.AddRecursive(opts.Watch.Path); err != nil {
+			if opts.ESBuild.Outdir != "" {
+				w.Ignore(opts.ESBuild.Outdir)
+			}
+
+			for _, p := range opts.Watch.Paths {
+				if err := w.AddRecursive(p); err != nil {
 					fmt.Println(err.Error())
 					os.Exit(1)
 				}
+			}
 
 			go func() {
 				for {
@@ -60,7 +66,7 @@ func watchAction(ctx *cli.Context) error {
 				}
 			}()
 
-			fmt.Printf("Watching %d elements in %s\n", len(w.WatchedFiles()), opts.Watch.Path)
+			fmt.Printf("Watching %d elements in %s\n", len(w.WatchedFiles()), opts.Watch.Paths)
 
 			purge(opts)
 			cp(opts)