Type safety for TemplateRendererProxy (#428)

* Type safety for TemplateRendererProxy

* Simplify

2 files changed, 102 insertions, 24 deletions

diff --git a/types/ext/template-renderer-frame-api.d.ts b/types/ext/template-renderer-frame-api.d.ts
deleted file mode 100644
index e00a0711..00000000
--- a/types/ext/template-renderer-frame-api.d.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2023  Yomitan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-import type * as Core from './core';
-
-export type MessageData = {
-    action: string;
-    params: Core.SerializableObject;
-    id: string;
-};
diff --git a/types/ext/template-renderer-proxy.d.ts b/types/ext/template-renderer-proxy.d.ts
new file mode 100644
index 00000000..74e95b54
--- /dev/null
+++ b/types/ext/template-renderer-proxy.d.ts
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2023  Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {Response} from 'core';
+import type {RenderMode, NoteData} from 'anki-templates';
+import type {CompositeRenderData, PartialOrCompositeRenderData, RenderMultiItem, RenderResult} from 'template-renderer';
+import type {
+    ApiMap as BaseApiMap,
+    ApiMapInit as BaseApiMapInit,
+    ApiHandler as BaseApiHandler,
+    ApiParams as BaseApiParams,
+    ApiNames as BaseApiNames,
+    ApiReturn as BaseApiReturn,
+    ApiReturnAny as BaseApiReturnAny,
+} from './api-map';
+
+// Frontend API
+
+type FrontendApiSurface = {
+    render: {
+        params: {
+            template: string;
+            data: PartialOrCompositeRenderData;
+            type: RenderMode;
+        };
+        return: RenderResult;
+    };
+    renderMulti: {
+        params: {
+            items: RenderMultiItem[];
+        };
+        return: Response<RenderResult>[];
+    };
+    getModifiedData: {
+        params: {
+            data: CompositeRenderData;
+            type: RenderMode;
+        };
+        return: NoteData;
+    };
+};
+
+type FrontendApiParams<TName extends FrontendApiNames> = BaseApiParams<FrontendApiSurface[TName]>;
+
+type FrontendApiNames = BaseApiNames<FrontendApiSurface>;
+
+type FrontendApiReturnAny = BaseApiReturnAny<FrontendApiSurface>;
+
+export type FrontendMessage<TName extends FrontendApiNames> = {
+    action: TName;
+    params: FrontendApiParams<TName>;
+    id: string;
+};
+
+export type FrontendMessageAny = FrontendMessage<FrontendApiNames>;
+
+export type FrontendApiReturn<TName extends FrontendApiNames> = BaseApiReturn<FrontendApiSurface[TName]>;
+
+export type FrontendApiMap = BaseApiMap<FrontendApiSurface>;
+
+export type FrontendApiMapInit = BaseApiMapInit<FrontendApiSurface>;
+
+export type FrontendApiHandler<TName extends FrontendApiNames> = BaseApiHandler<FrontendApiSurface[TName]>;
+
+// Backend API
+
+export type BackendApiSurface = {
+    ready: {
+        params: void;
+        return: void;
+    };
+    response: {
+        params: Response<FrontendApiReturnAny>;
+        return: void;
+    };
+};
+
+type BackendApiNames = BaseApiNames<BackendApiSurface>;
+
+type BackendApiParams<TName extends BackendApiNames> = BaseApiParams<BackendApiSurface[TName]>;
+
+export type BackendMessage<TName extends BackendApiNames> = {
+    action: TName;
+    params: BackendApiParams<TName>;
+    id: string | null;
+};
+
+export type BackendMessageAny = BackendMessage<BackendApiNames>;