2 files changed, 26 insertions, 5 deletions
diff --git a/ext/js/data/database.js b/ext/js/data/database.js
index e8575be2..7f37347b 100644
--- a/ext/js/data/database.js
+++ b/ext/js/data/database.js
@@ -194,7 +194,8 @@ export class Database {
         request.onsuccess = (e) => {
             const cursor = /** @type {IDBRequest<?IDBCursorWithValue>} */ (e.target).result;
             if (cursor) {
-                const {value} = cursor;
+                /** @type {TResult} */
+                const value = cursor.value;
                 if (noPredicate || predicate(value, predicateArg)) {
                     resolve(value, data);
                 } else {
@@ -353,7 +354,9 @@ export class Database {
         for (const {version, stores} of upgrades) {
             if (oldVersion >= version) { continue; }
 
-            for (const [objectStoreName, {primaryKey, indices}] of Object.entries(stores)) {
+            /** @type {[objectStoreName: string, value: import('database').StoreDefinition][]} */
+            const entries = Object.entries(stores);
+            for (const [objectStoreName, {primaryKey, indices}] of entries) {
                 const existingObjectStoreNames = transaction.objectStoreNames || db.objectStoreNames;
                 const objectStore = (
                     this._listContains(existingObjectStoreNames, objectStoreName) ?
@@ -394,8 +397,14 @@ export class Database {
      */
     _getAllFast(objectStoreOrIndex, query, onSuccess, onReject, data) {
         const request = objectStoreOrIndex.getAll(query);
-        request.onerror = (e) => onReject(/** @type {IDBRequest<import('core').SafeAny[]>} */ (e.target).error, data);
-        request.onsuccess = (e) => onSuccess(/** @type {IDBRequest<import('core').SafeAny[]>} */ (e.target).result, data);
+        request.onerror = (e) => {
+            const target = /** @type {IDBRequest<TResult[]>} */ (e.target);
+            onReject(target.error, data);
+        };
+        request.onsuccess = (e) => {
+            const target = /** @type {IDBRequest<TResult[]>} */ (e.target);
+            onSuccess(target.result, data);
+        };
     }
 
     /**
@@ -415,7 +424,9 @@ export class Database {
         request.onsuccess = (e) => {
             const cursor = /** @type {IDBRequest<?IDBCursorWithValue>} */ (e.target).result;
             if (cursor) {
-                results.push(cursor.value);
+                /** @type {TResult} */
+                const value = cursor.value;
+                results.push(value);
                 cursor.continue();
             } else {
                 onSuccess(results, data);
diff --git a/ext/js/data/options-util.js b/ext/js/data/options-util.js
index 8ef52972..de30f52a 100644
--- a/ext/js/data/options-util.js
+++ b/ext/js/data/options-util.js
@@ -22,6 +22,11 @@ import {escapeRegExp, isObject} from '../core/utilities.js';
 import {TemplatePatcher} from '../templates/template-patcher.js';
 import {JsonSchema} from './json-schema.js';
 
+// Some type safety rules are disabled for this file since it deals with upgrading an older format
+// of the options object to a newer format. SafeAny is used for much of this, since every single
+// legacy format does not contain type definitions.
+/* eslint-disable @typescript-eslint/no-unsafe-argument */
+
 export class OptionsUtil {
     constructor() {
         /** @type {?TemplatePatcher} */
@@ -119,6 +124,9 @@ export class OptionsUtil {
                     }
                 });
             });
+            if (typeof optionsStr !== 'string') {
+                throw new Error('Invalid value for options');
+            }
             options = parseJson(optionsStr);
         } catch (e) {
             // NOP
@@ -1197,3 +1205,5 @@ export class OptionsUtil {
         });
     }
 }
+
+/* eslint-enable @typescript-eslint/no-unsafe-argument */