2 files changed, 81 insertions, 13 deletions
diff --git a/ext/js/templates/__mocks__/template-renderer-proxy.js b/ext/js/templates/__mocks__/template-renderer-proxy.js
new file mode 100644
index 00000000..bcacf13b
--- /dev/null
+++ b/ext/js/templates/__mocks__/template-renderer-proxy.js
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2023  Yomitan Authors
+ * Copyright (C) 2021-2022  Yomichan 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 {AnkiTemplateRenderer} from '../sandbox/anki-template-renderer.js';
+
+export class TemplateRendererProxy {
+    constructor() {
+        this._preparePromise = null;
+        this._ankiTemplateRenderer = new AnkiTemplateRenderer();
+    }
+
+    async render(template, data, type) {
+        await this._prepare();
+        return await this._ankiTemplateRenderer.templateRenderer.render(template, data, type);
+    }
+
+    async renderMulti(items) {
+        await this._prepare();
+        return await this._serializeMulti(this._ankiTemplateRenderer.templateRenderer.renderMulti(items));
+    }
+
+    _prepare() {
+        if (this._preparePromise === null) {
+            this._preparePromise = this._prepareInternal();
+        }
+        return this._preparePromise;
+    }
+
+    async _prepareInternal() {
+        await this._ankiTemplateRenderer.prepare();
+    }
+
+    _serializeError(error) {
+        try {
+            if (typeof error === 'object' && error !== null) {
+                const result = {
+                    name: error.name,
+                    message: error.message,
+                    stack: error.stack
+                };
+                if (Object.prototype.hasOwnProperty.call(error, 'data')) {
+                    result.data = error.data;
+                }
+                return result;
+            }
+        } catch (e) {
+            // NOP
+        }
+        return {
+            value: error,
+            hasValue: true
+        };
+    }
+
+    _serializeMulti(array) {
+        for (let i = 0, ii = array.length; i < ii; ++i) {
+            const value = array[i];
+            const {error} = value;
+            if (typeof error !== 'undefined') {
+                value.error = this._serializeError(error);
+            }
+        }
+        return array;
+    }
+}
diff --git a/ext/js/templates/sandbox/anki-template-renderer.js b/ext/js/templates/sandbox/anki-template-renderer.js
index d42402ff..10f69745 100644
--- a/ext/js/templates/sandbox/anki-template-renderer.js
+++ b/ext/js/templates/sandbox/anki-template-renderer.js
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+import {Handlebars} from '../../../lib/handlebars.js';
 import {AnkiNoteDataCreator} from '../../data/sandbox/anki-note-data-creator.js';
 import {PronunciationGenerator} from '../../display/sandbox/pronunciation-generator.js';
 import {StructuredContentGenerator} from '../../display/sandbox/structured-content-generator.js';
@@ -26,19 +27,6 @@ import {AnkiTemplateRendererContentManager} from './anki-template-renderer-conte
 import {TemplateRendererMediaProvider} from './template-renderer-media-provider.js';
 import {TemplateRenderer} from './template-renderer.js';
 
-/* global
- * AnkiNoteDataCreator
- * AnkiTemplateRendererContentManager
- * CssStyleApplier
- * DictionaryDataUtil
- * Handlebars
- * JapaneseUtil
- * PronunciationGenerator
- * StructuredContentGenerator
- * TemplateRenderer
- * TemplateRendererMediaProvider
- */
-
 /**
  * This class contains all Anki-specific template rendering functionality. It is built on
  * the generic TemplateRenderer class and various other Anki-related classes.