New build flag: -debug

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

@@ -83,6 +83,9 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 	updateGoMod := false
 	command.BoolFlag("u", "Updates go.mod to use the same Wails version as the CLI", &updateGoMod)
 
+	debug := false
+	command.BoolFlag("debug", "Retains debug data in the compiled application", &debug)
+
 	command.Action(func() error {
 
 		quiet := verbosity == 0
@@ -164,13 +167,20 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 			}
 		}
 
+		mode := build.Production
+		modeString := "Production"
+		if debug {
+			mode = build.Debug
+			modeString = "Debug"
+		}
+
 		// Create BuildOptions
 		buildOptions := &build.Options{
 			Logger:              logger,
 			OutputType:          outputType,
 			OutputFile:          outputFilename,
 			CleanBuildDirectory: cleanBuildDirectory,
-			Mode:                build.Production,
+			Mode:                mode,
 			Pack:                !noPackage,
 			LDFlags:             ldflags,
 			Compiler:            compilerCommand,
@@ -206,6 +216,7 @@ func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
 		fmt.Fprintf(w, "Platform: \t%s\n", buildOptions.Platform)
 		fmt.Fprintf(w, "Arch: \t%s\n", buildOptions.Arch)
 		fmt.Fprintf(w, "Compiler: \t%s\n", compilerPath)
+		fmt.Fprintf(w, "Build Mode: \t%s\n", modeString)
 		fmt.Fprintf(w, "Skip Frontend: \t%t\n", skipFrontend)
 		fmt.Fprintf(w, "Compress: \t%t\n", buildOptions.Compress)
 		fmt.Fprintf(w, "Package: \t%t\n", buildOptions.Pack)

v2/pkg/commands/build/base.go

@@ -215,7 +215,7 @@ func (b *BaseBuilder) CompileProject(options *Options) error {
 	commands := slicer.String([]string{"build"})
 
 	// Add better debugging flags
-	if options.Mode == Dev {
+	if options.Mode == Dev || options.Mode == Debug {
 		commands.Add("-gcflags")
 		commands.Add(`"all=-N -l"`)
 	}
@@ -233,7 +233,7 @@ func (b *BaseBuilder) CompileProject(options *Options) error {
 		tags.Add(options.WebView2Strategy)
 	}
 
-	if options.Mode == Production {
+	if options.Mode == Production || options.Mode == Debug {
 		tags.Add("production")
 	}
 

v2/pkg/commands/build/build.go

@@ -23,6 +23,8 @@ const (
 	Dev Mode = iota
 	// Production mode
 	Production
+	// Debug build
+	Debug
 )
 
 // Options contains all the build options as well as the project data

website/docs/reference/cli.mdx

@@ -67,6 +67,7 @@ A list of community maintained templates can be found [here](/docs/community/tem
 |  -v int              | Verbosity level (0 - silent, 1 - default, 2 - verbose) | 1           |
 |  -webview2           | WebView2 installer strategy: download,embed,browser,error | download |
 |  -u                  | Updates your project's `go.mod` to use the same version of Wails as the CLI | |
+|  -debug              | Retains debug information in the application | false |
 
 For a detailed description of the `webview2` flag, please refer to the [Windows](/docs/guides/windows) Guide.