add support for overwriting existing card (#859)

* frontend

* wip

* minimum viable

* minor simplification

* simplify gradients in duplicate svg

* simplify add-duplicate svg

* colors good

* arrows shape

* disable overwrite if no valid duplicate IDs

* add warning

1 files changed, 15 insertions, 0 deletions

diff --git a/ext/js/comm/anki-connect.js b/ext/js/comm/anki-connect.js
index 446b2139..8c5e2c85 100644
--- a/ext/js/comm/anki-connect.js
+++ b/ext/js/comm/anki-connect.js
@@ -144,6 +144,21 @@ export class AnkiConnect {
     }
 
     /**
+     * @param {import('anki').Note} noteWithId
+     * @returns {Promise<null>}
+     */
+    async updateNoteFields(noteWithId) {
+        if (!this._enabled) { return null; }
+        await this._checkVersion();
+        const result = await this._invoke('updateNoteFields', {note: noteWithId});
+        if (result !== null) {
+            throw this._createUnexpectedResultError('null', result);
+        }
+        return result;
+    }
+
+
+    /**
      * @param {import('anki').Note[]} notes
      * @returns {Promise<boolean[]>}
      */