Add -k flag for debug purposes

v2/cmd/wails/internal/commands/build/build.go

@@ -53,6 +53,10 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 	logFile := ""
 	command.StringFlag("l", "Log to file", &logFile)
 
+	// Retain assets
+	keepAssets := false
+	command.BoolFlag("k", "Kep generated assets", &keepAssets)
+
 	command.Action(func() error {
 
 		// Create logger
@@ -87,6 +91,7 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 			Platform:   platform,
 			LDFlags:    ldflags,
 			Compiler:   compilerCommand,
+			KeepAssets: keepAssets,
 		}
 
 		return doBuild(buildOptions)

v2/pkg/commands/build/base.go

@@ -23,11 +23,14 @@ import (
 type BaseBuilder struct {
 	filesToDelete slicer.StringSlicer
 	projectData   *project.Project
+	options       *Options
 }
 
 // NewBaseBuilder creates a new BaseBuilder
-func NewBaseBuilder() *BaseBuilder {
-	result := &BaseBuilder{}
+func NewBaseBuilder(options *Options) *BaseBuilder {
+	result := &BaseBuilder{
+		options: options,
+	}
 	return result
 }
 
@@ -37,7 +40,9 @@ func (b *BaseBuilder) SetProjectData(projectData *project.Project) {
 }
 
 func (b *BaseBuilder) addFileToDelete(filename string) {
-	b.filesToDelete.Add(filename)
+	if !b.options.KeepAssets {
+		b.filesToDelete.Add(filename)
+	}
 }
 
 func (b *BaseBuilder) fileExists(path string) bool {

v2/pkg/commands/build/build.go

@@ -37,6 +37,7 @@ type Options struct {
 	OutputFile     string               // Override the output filename
 	BuildDirectory string               // Directory to use for building the application
 	CompiledBinary string               // Fully qualified path to the compiled binary
+	KeepAssets     bool                 // /Keep the generated assets/files
 }
 
 // GetModeAsString returns the current mode as a string
@@ -80,11 +81,11 @@ func Build(options *Options) (string, error) {
 
 	switch projectData.OutputType {
 	case "desktop":
-		builder = newDesktopBuilder()
+		builder = newDesktopBuilder(options)
 	case "hybrid":
-		builder = newHybridBuilder()
+		builder = newHybridBuilder(options)
 	case "server":
-		builder = newServerBuilder()
+		builder = newServerBuilder(options)
 	default:
 		return "", fmt.Errorf("cannot build assets for output type %s", projectData.OutputType)
 	}

v2/pkg/commands/build/desktop.go

@@ -14,9 +14,9 @@ type DesktopBuilder struct {
 	*BaseBuilder
 }
 
-func newDesktopBuilder() *DesktopBuilder {
+func newDesktopBuilder(options *Options) *DesktopBuilder {
 	return &DesktopBuilder{
-		BaseBuilder: NewBaseBuilder(),
+		BaseBuilder: NewBaseBuilder(options),
 	}
 }
 

v2/pkg/commands/build/hybrid.go

@@ -12,11 +12,11 @@ type HybridBuilder struct {
 	server  *ServerBuilder
 }
 
-func newHybridBuilder() Builder {
+func newHybridBuilder(options *Options) Builder {
 	result := &HybridBuilder{
-		BaseBuilder: NewBaseBuilder(),
-		desktop:     newDesktopBuilder(),
-		server:      newServerBuilder(),
+		BaseBuilder: NewBaseBuilder(options),
+		desktop:     newDesktopBuilder(options),
+		server:      newServerBuilder(options),
 	}
 	return result
 }

v2/pkg/commands/build/server.go

@@ -15,9 +15,9 @@ type ServerBuilder struct {
 	*BaseBuilder
 }
 
-func newServerBuilder() *ServerBuilder {
+func newServerBuilder(options *Options) *ServerBuilder {
 	result := &ServerBuilder{
-		BaseBuilder: NewBaseBuilder(),
+		BaseBuilder: NewBaseBuilder(options),
 	}
 	return result
 }