fix bridge installation path

cmd/helpers.go

@@ -177,7 +177,7 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 
 	// Copy bridge to project
 	_, filename, _, _ := runtime.Caller(1)
-	bridgeFileSource := filepath.Join(path.Dir(filename), "..", "assets", "default", bridgeFile)
+	bridgeFileSource := filepath.Join(path.Dir(filename), "..", "..", "assets", "default", bridgeFile)
 	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, projectOptions.FrontEnd.Bridge, "wailsbridge.js")
 	err = fs.CopyFile(bridgeFileSource, bridgeFileTarget)
 	if err != nil {

cmd/wails/4_build.go

@@ -49,8 +49,6 @@ func init() {
 			return err
 		}
 
-		// Check pre-requisites are installed
-
 		// Program checker
 		program := cmd.NewProgramHelper()
 
@@ -61,7 +59,7 @@ func init() {
 			}
 		}
 
-		// packr
+		// Check Packr is installed
 		err = cmd.CheckPackr()
 		if err != nil {
 			return err

cmd/wails/6_serve.go

@@ -2,12 +2,9 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
-	"path"
 	"path/filepath"
-	"runtime"
 	"time"
 
 	"github.com/leaanthony/spinner"
@@ -51,8 +48,6 @@ func init() {
 			return err
 		}
 
-		// Check pre-requisites are installed
-
 		// Program checker
 		program := cmd.NewProgramHelper()
 
@@ -63,15 +58,10 @@ func init() {
 			}
 		}
 
-		// packr
-		if !program.IsInstalled("packr") {
-			buildSpinner.Start("Installing packr...")
-			err := program.InstallGoPackage("github.com/gobuffalo/packr/...")
-			if err != nil {
-				buildSpinner.Error()
-				return err
-			}
-			buildSpinner.Success()
+		// Check Packr is installed
+		err = cmd.CheckPackr()
+		if err != nil {
+			return err
 		}
 
 		// Save project directory
@@ -79,70 +69,7 @@ func init() {
 
 		// Install deps
 		if projectOptions.FrontEnd != nil {
-			// Install frontend deps
-			err = os.Chdir(projectOptions.FrontEnd.Dir)
-			if err != nil {
-				return err
-			}
-
-			// Check if frontend deps have been updated
-			feSpinner := spinner.New("Installing frontend dependencies (This may take a while)...")
-			feSpinner.SetSpinSpeed(50)
-			feSpinner.Start()
-
-			requiresNPMInstall := true
-
-			// Read in package.json MD5
-			packageJSONMD5, err := fs.FileMD5("package.json")
-			if err != nil {
-				return err
-			}
-
-			const md5sumFile = "package.json.md5"
-
-			// If we aren't forcing the install and the md5sum file exists
-			if !forceRebuild && fs.FileExists(md5sumFile) {
-				// Yes - read contents
-				savedMD5sum, err := fs.LoadAsString(md5sumFile)
-				// File exists
-				if err == nil {
-					// Compare md5
-					if savedMD5sum == packageJSONMD5 {
-						// Same - no need for reinstall
-						requiresNPMInstall = false
-						feSpinner.Success("Skipped frontend dependencies (-f to force rebuild)")
-					}
-				}
-			}
-
-			// Md5 sum package.json
-			// Different? Build
-			if requiresNPMInstall || forceRebuild {
-				// Install dependencies
-				err = program.RunCommand(projectOptions.FrontEnd.Install)
-				if err != nil {
-					feSpinner.Error()
-					return err
-				}
-				feSpinner.Success()
-
-				// Update md5sum file
-				ioutil.WriteFile(md5sumFile, []byte(packageJSONMD5), 0644)
-			}
-
-			bridgeFile := "wailsbridge.prod.js"
-
-			// Copy bridge to project
-			_, filename, _, _ := runtime.Caller(1)
-			bridgeFileSource := filepath.Join(path.Dir(filename), "..", "assets", "default", bridgeFile)
-			bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, projectOptions.FrontEnd.Bridge, "wailsbridge.js")
-			err = fs.CopyFile(bridgeFileSource, bridgeFileTarget)
-			if err != nil {
-				return err
-			}
-
-			// Build frontend
-			err = cmd.BuildFrontend(projectOptions.FrontEnd.Build)
+			err = cmd.InstallFrontendDeps(projectDir, projectOptions, forceRebuild)
 			if err != nil {
 				return err
 			}