11 files changed, 17 insertions, 15 deletions
diff --git a/ext/js/comm/frame-client.js b/ext/js/comm/frame-client.js
index b07bb796..5e997622 100644
--- a/ext/js/comm/frame-client.js
+++ b/ext/js/comm/frame-client.js
@@ -56,7 +56,7 @@ export class FrameClient {
     }
 
     /**
-     * @template T
+     * @template [T=unknown]
      * @param {T} data
      * @returns {import('frame-client').Message<T>}
      * @throws {Error}
diff --git a/ext/js/core.js b/ext/js/core.js
index d16a2099..d2372352 100644
--- a/ext/js/core.js
+++ b/ext/js/core.js
@@ -48,7 +48,7 @@ export function stringReverse(string) {
 
 /**
  * Creates a deep clone of an object or value. This is similar to `parseJson(JSON.stringify(value))`.
- * @template T
+ * @template [T=unknown]
  * @param {T} value The value to clone.
  * @returns {T} A new clone of the value.
  * @throws An error if the value is circular and cannot be cloned.
@@ -245,7 +245,7 @@ export function generateId(length) {
 
 /**
  * Creates an unresolved promise that can be resolved later, outside the promise's executor function.
- * @template T
+ * @template [T=unknown]
  * @returns {import('core').DeferredPromiseDetails<T>} An object `{promise, resolve, reject}`, containing the promise and the resolve/reject functions.
  */
 export function deferPromise() {
@@ -514,7 +514,7 @@ export class EventListenerCollection {
 /**
  * Class representing a generic value with an override stack.
  * Changes can be observed by listening to the 'change' event.
- * @template T
+ * @template [T=unknown]
  * @augments EventDispatcher<import('dynamic-property').EventType>
  */
 export class DynamicProperty extends EventDispatcher {
diff --git a/ext/js/data/database.js b/ext/js/data/database.js
index c8047b41..43ac9e5b 100644
--- a/ext/js/data/database.js
+++ b/ext/js/data/database.js
@@ -153,7 +153,7 @@ export class Database {
     }
 
     /**
-     * @template TPredicateArg
+     * @template [TPredicateArg=unknown]
      * @template [TResult=unknown]
      * @template [TResultDefault=unknown]
      * @param {TObjectStoreName} objectStoreName
@@ -174,8 +174,8 @@ export class Database {
     }
 
     /**
-     * @template TData
-     * @template TPredicateArg
+     * @template [TData=unknown]
+     * @template [TPredicateArg=unknown]
      * @template [TResult=unknown]
      * @template [TResultDefault=unknown]
      * @param {IDBObjectStore|IDBIndex} objectStoreOrIndex
diff --git a/ext/js/data/json-schema.js b/ext/js/data/json-schema.js
index d63cfd1a..52a55d85 100644
--- a/ext/js/data/json-schema.js
+++ b/ext/js/data/json-schema.js
@@ -249,7 +249,7 @@ export class JsonSchema {
     }
 
     /**
-     * @template T
+     * @template [T=unknown]
      * @param {T} value
      * @returns {T}
      */
diff --git a/ext/js/display/display-generator.js b/ext/js/display/display-generator.js
index 7bedfa12..ccdd49cf 100644
--- a/ext/js/display/display-generator.js
+++ b/ext/js/display/display-generator.js
@@ -845,7 +845,7 @@ export class DisplayGenerator {
     }
 
     /**
-     * @template TItem
+     * @template [TItem=unknown]
      * @template [TExtraArg=void]
      * @param {HTMLElement} container
      * @param {(item: TItem, arg: TExtraArg) => ?Node} createItem
diff --git a/ext/js/dom/selector-observer.js b/ext/js/dom/selector-observer.js
index 8dd18242..cff2985c 100644
--- a/ext/js/dom/selector-observer.js
+++ b/ext/js/dom/selector-observer.js
@@ -18,7 +18,7 @@
 
 /**
  * Class which is used to observe elements matching a selector in specific element.
- * @template T
+ * @template [T=unknown]
  */
 export class SelectorObserver {
     /**
diff --git a/ext/js/general/cache-map.js b/ext/js/general/cache-map.js
index cc706380..a995b8c7 100644
--- a/ext/js/general/cache-map.js
+++ b/ext/js/general/cache-map.js
@@ -18,7 +18,8 @@
 
 
 /**
- * @template K,V
+ * @template [K=unknown]
+ * @template [V=unknown]
  * Class which caches a map of values, keeping the most recently accessed values.
  */
 export class CacheMap {
diff --git a/ext/js/general/task-accumulator.js b/ext/js/general/task-accumulator.js
index cb136908..86cb9e3e 100644
--- a/ext/js/general/task-accumulator.js
+++ b/ext/js/general/task-accumulator.js
@@ -19,7 +19,8 @@
 import {log} from '../core.js';
 
 /**
- * @template K,V
+ * @template [K=unknown]
+ * @template [V=unknown]
  */
 export class TaskAccumulator {
     /**
diff --git a/ext/js/language/translator.js b/ext/js/language/translator.js
index e33ea4d4..bf22ee6b 100644
--- a/ext/js/language/translator.js
+++ b/ext/js/language/translator.js
@@ -1887,7 +1887,7 @@ export class Translator {
     // Miscellaneous
 
     /**
-     * @template T
+     * @template [T=unknown]
      * @param {Set<T>} set
      * @param {T[]} values
      * @returns {boolean}
diff --git a/ext/js/pages/settings/keyboard-mouse-input-field.js b/ext/js/pages/settings/keyboard-mouse-input-field.js
index 99af3941..f50ca112 100644
--- a/ext/js/pages/settings/keyboard-mouse-input-field.js
+++ b/ext/js/pages/settings/keyboard-mouse-input-field.js
@@ -315,7 +315,7 @@ export class KeyboardMouseInputField extends EventDispatcher {
     }
 
     /**
-     * @template T
+     * @template [T=unknown]
      * @param {T[]} array1
      * @param {T[]} array2
      * @returns {boolean}
diff --git a/ext/js/pages/settings/profile-controller.js b/ext/js/pages/settings/profile-controller.js
index 6e0710a8..c54bfe73 100644
--- a/ext/js/pages/settings/profile-controller.js
+++ b/ext/js/pages/settings/profile-controller.js
@@ -595,7 +595,7 @@ export class ProfileController {
     }
 
     /**
-     * @template T
+     * @template [T=unknown]
      * @param {T} currentValue
      * @param {T} value1
      * @param {T} value2