deploy: leporello-js/app@5ce3bdca40

typescript/lib.es2021.weakref.d.ts

@@ -0,0 +1,78 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+/// <reference no-default-lib="true"/>
+
+/// <reference lib="es2015.symbol.wellknown" />
+
+interface WeakRef<T extends WeakKey> {
+    readonly [Symbol.toStringTag]: "WeakRef";
+
+    /**
+     * Returns the WeakRef instance's target value, or undefined if the target value has been
+     * reclaimed.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
+     */
+    deref(): T | undefined;
+}
+
+interface WeakRefConstructor {
+    readonly prototype: WeakRef<any>;
+
+    /**
+     * Creates a WeakRef instance for the given target value.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
+     * @param target The target value for the WeakRef instance.
+     */
+    new <T extends WeakKey>(target: T): WeakRef<T>;
+}
+
+declare var WeakRef: WeakRefConstructor;
+
+interface FinalizationRegistry<T> {
+    readonly [Symbol.toStringTag]: "FinalizationRegistry";
+
+    /**
+     * Registers a value with the registry.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
+     * @param target The target value to register.
+     * @param heldValue The value to pass to the finalizer for this value. This cannot be the
+     * target value.
+     * @param unregisterToken The token to pass to the unregister method to unregister the target
+     * value. If not provided, the target cannot be unregistered.
+     */
+    register(target: WeakKey, heldValue: T, unregisterToken?: WeakKey): void;
+
+    /**
+     * Unregisters a value from the registry.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
+     * @param unregisterToken The token that was used as the unregisterToken argument when calling
+     * register to register the target value.
+     */
+    unregister(unregisterToken: WeakKey): boolean;
+}
+
+interface FinalizationRegistryConstructor {
+    readonly prototype: FinalizationRegistry<any>;
+
+    /**
+     * Creates a finalization registry with an associated cleanup callback
+     * @param cleanupCallback The callback to call after a value in the registry has been reclaimed.
+     */
+    new <T>(cleanupCallback: (heldValue: T) => void): FinalizationRegistry<T>;
+}
+
+declare var FinalizationRegistry: FinalizationRegistryConstructor;