Add -clean option for bindings generation.

Author: leaanthony

docs/src/content/docs/changelog.mdx

@@ -36,6 +36,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `wails3 generate template` command by [@leaanthony](https://github.com/leaanthony)
 - `wails3 releasenotes` command by [@leaanthony](https://github.com/leaanthony)
 - `wails3 update cli` command by [@leaanthony](https://github.com/leaanthony)
+- `-clean` option for `wails3 generate bindings` command by [@leaanthony](https://github.com/leaanthony)
 
 ### Fixed
 

docs/src/content/docs/guides/cli.mdx

@@ -144,6 +144,7 @@ wails3 generate bindings [flags] [patterns...]
 | `-dry`      | Dry run                   | `false`             |
 | `-silent`   | Silent mode               | `false`             |
 | `-v`        | Debug output              | `false`             |
+| `-clean`    | Clean output directory    | `false`             |
 
 ### `generate build-assets`
 Generates build assets for your application.

v3/examples/file-association/build/Taskfile.common.yml

@@ -47,7 +47,7 @@ tasks:
     generates:
       - "frontend/bindings/**/*"
     cmds:
-      - wails3 generate bindings -f '{{.BUILD_FLAGS}}'{{if .UseTypescript}} -ts{{end}}
+      - wails3 generate bindings -f '{{.BUILD_FLAGS}}' -clean=true {{if .UseTypescript}} -ts{{end}}
 
   generate:icons:
     summary: Generates Windows `.ico` and Mac `.icns` files from an image

v3/internal/commands/bindings.go

@@ -3,6 +3,7 @@ package commands
 import (
 	"errors"
 	"fmt"
+	"os"
 	"path/filepath"
 
 	"github.com/pterm/pterm"
@@ -37,6 +38,13 @@ func GenerateBindings(options *flags.GenerateBindingsOptions, patterns []string)
 		return err
 	}
 
+	// Clean the output directory if clean option is enabled
+	if options.Clean {
+		if err := os.RemoveAll(absPath); err != nil {
+			return fmt.Errorf("failed to clean output directory: %w", err)
+		}
+	}
+
 	// Initialise file creator.
 	var creator config.FileCreator
 	if !options.DryRun {

v3/internal/commands/build_assets/Taskfile.tmpl.yml

@@ -47,7 +47,8 @@ tasks:
     generates:
       - "frontend/bindings/**/*"
     cmds:
-      - wails3 generate bindings -f {{ "'{{.BUILD_FLAGS}}'" }} {{if .Typescript}} -ts{{end}}
+      - wails3 generate bindings -f {{ "'{{.BUILD_FLAGS}}'" }} -clean=true {{if .Typescript}} -ts{{end}}
+
   generate:icons:
     summary: Generates Windows `.ico` and Mac `.icns` files from an image
     dir: build

v3/internal/flags/bindings.go

@@ -21,6 +21,7 @@ type GenerateBindingsOptions struct {
 	DryRun            bool   `name:"dry" description:"Do not write output files"`
 	Silent            bool   `name:"silent" description:"Silent mode"`
 	Verbose           bool   `name:"v" description:"Enable debug output"`
+	Clean             bool   `name:"clean" description:"Clean output directory before generation" default:"true"`
 }
 
 var ErrUnmatchedQuote = errors.New("build flags contain an unmatched quote")