[Web] Expose API to force file system sync.

Mostly useful for modules and extensions that can't use FileAccess to
write files.

5 files changed, 16 insertions, 0 deletions

diff --git a/platform/web/api/api.cpp b/platform/web/api/api.cpp
index e637f2aef2..9f43610d86 100644
--- a/platform/web/api/api.cpp
+++ b/platform/web/api/api.cpp
@@ -73,6 +73,7 @@ void JavaScriptBridge::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("download_buffer", "buffer", "name", "mime"), &JavaScriptBridge::download_buffer, DEFVAL("application/octet-stream"));
 	ClassDB::bind_method(D_METHOD("pwa_needs_update"), &JavaScriptBridge::pwa_needs_update);
 	ClassDB::bind_method(D_METHOD("pwa_update"), &JavaScriptBridge::pwa_update);
+	ClassDB::bind_method(D_METHOD("force_fs_sync"), &JavaScriptBridge::force_fs_sync);
 	ADD_SIGNAL(MethodInfo("pwa_update_available"));
 }
 
@@ -111,6 +112,8 @@ bool JavaScriptBridge::pwa_needs_update() const {
 Error JavaScriptBridge::pwa_update() {
 	return ERR_UNAVAILABLE;
 }
+void JavaScriptBridge::force_fs_sync() {
+}
 void JavaScriptBridge::download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime) {
 }
 #endif
diff --git a/platform/web/api/javascript_bridge_singleton.h b/platform/web/api/javascript_bridge_singleton.h
index 1e7b5a1699..93288cdea1 100644
--- a/platform/web/api/javascript_bridge_singleton.h
+++ b/platform/web/api/javascript_bridge_singleton.h
@@ -61,6 +61,7 @@ public:
 	void download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime = "application/octet-stream");
 	bool pwa_needs_update() const;
 	Error pwa_update();
+	void force_fs_sync();
 
 	static JavaScriptBridge *get_singleton();
 	JavaScriptBridge();
diff --git a/platform/web/javascript_bridge_singleton.cpp b/platform/web/javascript_bridge_singleton.cpp
index 69cd0cece1..ce94d511a6 100644
--- a/platform/web/javascript_bridge_singleton.cpp
+++ b/platform/web/javascript_bridge_singleton.cpp
@@ -361,6 +361,11 @@ void JavaScriptBridge::download_buffer(Vector<uint8_t> p_arr, const String &p_na
 bool JavaScriptBridge::pwa_needs_update() const {
 	return OS_Web::get_singleton()->pwa_needs_update();
 }
+
 Error JavaScriptBridge::pwa_update() {
 	return OS_Web::get_singleton()->pwa_update();
 }
+
+void JavaScriptBridge::force_fs_sync() {
+	OS_Web::get_singleton()->force_fs_sync();
+}
diff --git a/platform/web/os_web.cpp b/platform/web/os_web.cpp
index 07c53e51d0..6152e803de 100644
--- a/platform/web/os_web.cpp
+++ b/platform/web/os_web.cpp
@@ -196,6 +196,12 @@ void OS_Web::update_pwa_state_callback() {
 	}
 }
 
+void OS_Web::force_fs_sync() {
+	if (is_userfs_persistent()) {
+		idb_needs_sync = true;
+	}
+}
+
 Error OS_Web::pwa_update() {
 	return godot_js_pwa_update() ? FAILED : OK;
 }
diff --git a/platform/web/os_web.h b/platform/web/os_web.h
index 64f3a4d133..21fd212db6 100644
--- a/platform/web/os_web.h
+++ b/platform/web/os_web.h
@@ -69,6 +69,7 @@ public:
 
 	bool pwa_needs_update() const { return pwa_is_waiting; }
 	Error pwa_update();
+	void force_fs_sync();
 
 	void initialize_joypads() override;