Added Runtime.FileSystem

runtime.go

@@ -2,17 +2,19 @@ package wails
 
 // Runtime is the Wails Runtime Interface, given to a user who has defined the WailsInit method
 type Runtime struct {
-	Events *RuntimeEvents
-	Log    *RuntimeLog
-	Dialog *RuntimeDialog
-	Window *RuntimeWindow
+	Events     *RuntimeEvents
+	Log        *RuntimeLog
+	Dialog     *RuntimeDialog
+	Window     *RuntimeWindow
+	FileSystem *RuntimeFileSystem
 }
 
 func newRuntime(eventManager *eventManager, renderer Renderer) *Runtime {
 	return &Runtime{
-		Events: newRuntimeEvents(eventManager),
-		Log:    newRuntimeLog(),
-		Dialog: newRuntimeDialog(renderer),
-		Window: newRuntimeWindow(renderer),
+		Events:     newRuntimeEvents(eventManager),
+		Log:        newRuntimeLog(),
+		Dialog:     newRuntimeDialog(renderer),
+		Window:     newRuntimeWindow(renderer),
+		FileSystem: newRuntimeFileSystem(),
 	}
 }

runtime_filesystem.go

@@ -0,0 +1,16 @@
+package wails
+
+import homedir "github.com/mitchellh/go-homedir"
+
+// RuntimeFileSystem exposes file system utilities to the runtime
+type RuntimeFileSystem struct {
+}
+
+func newRuntimeFileSystem() *RuntimeFileSystem {
+	return &RuntimeFileSystem{}
+}
+
+// HomeDir returns the user's home directory
+func (r *RuntimeFileSystem) HomeDir() (string, error) {
+	return homedir.Dir()
+}