HTML5: Add support for Input.vibrate_handheld()

platform/javascript/godot_js.h

@@ -58,6 +58,7 @@ extern void godot_js_input_mouse_move_cb(void (*p_callback)(double p_x, double p
 extern void godot_js_input_mouse_wheel_cb(int (*p_callback)(double p_delta_x, double p_delta_y));
 extern void godot_js_input_touch_cb(void (*p_callback)(int p_type, int p_count), uint32_t *r_identifiers, double *r_coords);
 extern void godot_js_input_key_cb(void (*p_callback)(int p_type, int p_repeat, int p_modifiers), char r_code[32], char r_key[32]);
+extern void godot_js_input_vibrate_handheld(int p_duration_ms);
 
 // Input gamepad
 extern void godot_js_input_gamepad_cb(void (*p_on_change)(int p_index, int p_connected, const char *p_id, const char *p_guid));

platform/javascript/js/libs/library_godot_input.js

@@ -534,6 +534,15 @@ const GodotInput = {
 			GodotRuntime.free(ptr);
 		}, false);
 	},
+
+	godot_js_input_vibrate_handheld__sig: 'vi',
+	godot_js_input_vibrate_handheld: function (p_duration_ms) {
+		if (typeof navigator.vibrate !== 'function') {
+			GodotRuntime.print('This browser does not support vibration.');
+		} else {
+			navigator.vibrate(p_duration_ms);
+		}
+	},
 };
 
 autoAddDeps(GodotInput, '$GodotInput');

platform/javascript/os_javascript.cpp

@@ -177,6 +177,10 @@ String OS_JavaScript::get_name() const {
 	return "HTML5";
 }
 
+void OS_JavaScript::vibrate_handheld(int p_duration_ms) {
+	godot_js_input_vibrate_handheld(p_duration_ms);
+}
+
 String OS_JavaScript::get_user_data_dir() const {
 	return "/userfs";
 }

platform/javascript/os_javascript.h

@@ -90,6 +90,8 @@ public:
 	// Implemented in javascript_main.cpp loop callback instead.
 	void add_frame_delay(bool p_can_draw) override {}
 
+	void vibrate_handheld(int p_duration_ms) override;
+
 	String get_cache_path() const override;
 	String get_config_path() const override;
 	String get_data_path() const override;