[v2] Fix reloaddirs wails.json config (#4005)

fix reloaddirs config option

changelog.mdx

v2/cmd/wails/internal/dev/dev.go

@@ -153,7 +153,7 @@ func Application(f *flags.Dev, logger *clilogger.CLILogger) error {
 	}()
 
 	// Watch for changes and trigger restartApp()
-	debugBinaryProcess, err = doWatcherLoop(cwd, buildOptions, debugBinaryProcess, f, exitCodeChannel, quitChannel, f.DevServerURL(), legacyUseDevServerInsteadofCustomScheme)
+	debugBinaryProcess, err = doWatcherLoop(cwd, projectConfig.ReloadDirectories, buildOptions, debugBinaryProcess, f, exitCodeChannel, quitChannel, f.DevServerURL(), legacyUseDevServerInsteadofCustomScheme)
 	if err != nil {
 		return err
 	}
@@ -326,9 +326,9 @@ func restartApp(buildOptions *build.Options, debugBinaryProcess *process.Process
 }
 
 // doWatcherLoop is the main watch loop that runs while dev is active
-func doWatcherLoop(cwd string, buildOptions *build.Options, debugBinaryProcess *process.Process, f *flags.Dev, exitCodeChannel chan int, quitChannel chan os.Signal, devServerURL *url.URL, legacyUseDevServerInsteadofCustomScheme bool) (*process.Process, error) {
+func doWatcherLoop(cwd string, reloadDirs string, buildOptions *build.Options, debugBinaryProcess *process.Process, f *flags.Dev, exitCodeChannel chan int, quitChannel chan os.Signal, devServerURL *url.URL, legacyUseDevServerInsteadofCustomScheme bool) (*process.Process, error) {
 	// create the project files watcher
-	watcher, err := initialiseWatcher(cwd)
+	watcher, err := initialiseWatcher(cwd, reloadDirs)
 	if err != nil {
 		logutils.LogRed("Unable to create filesystem watcher. Reloads will not occur.")
 		return nil, err

v2/cmd/wails/internal/dev/watcher.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"github.com/wailsapp/wails/v2/internal/fs"
 
@@ -17,7 +18,7 @@ type Watcher interface {
 }
 
 // initialiseWatcher creates the project directory watcher that will trigger recompile
-func initialiseWatcher(cwd string) (*fsnotify.Watcher, error) {
+func initialiseWatcher(cwd, reloadDirs string) (*fsnotify.Watcher, error) {
 	// Ignore dot files, node_modules and build directories by default
 	ignoreDirs := getIgnoreDirs(cwd)
 
@@ -27,12 +28,22 @@ func initialiseWatcher(cwd string) (*fsnotify.Watcher, error) {
 		return nil, err
 	}
 
+	customDirs := dirs.AsSlice()
+	seperatedDirs := strings.Split(reloadDirs, ",")
+	for _, dir := range seperatedDirs {
+		customSub, err := fs.GetSubdirectories(filepath.Join(cwd, dir))
+		if err != nil {
+			return nil, err
+		}
+		customDirs = append(customDirs, customSub.AsSlice()...)
+	}
+
 	watcher, err := fsnotify.NewWatcher()
 	if err != nil {
 		return nil, err
 	}
 
-	for _, dir := range processDirectories(dirs.AsSlice(), ignoreDirs) {
+	for _, dir := range processDirectories(customDirs, ignoreDirs) {
 		err := watcher.Add(dir)
 		if err != nil {
 			return nil, err

website/src/pages/changelog.mdx

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added option to set window class name on Windows. Added in [PR](https://github.com/wailsapp/wails/pull/3828) by @APshenkin
 
 ### Fixed
+- Fixed `reloaddirs` wails.json config options by @atterpac in [#4005](https//github.com/wailsapp/wails/pull/4005)
 - Fixed cross compilation failed with CGO [PR](https://github.com/wailsapp/wails/pull/3795) by [@fcying](https://github.com/fcying)
 - Using go-webview2 v0.1.17 to fix native webview2loader issue, by @leaanthony
 - Fixed example for macOS menu by @takuyahara in [PR](https://github.com/wailsapp/wails/pull/3847)