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| | | /// <reference no-default-lib="true"/>
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| | | /// <reference no-default-lib="true"/> |
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| | | interface WeakRef<T extends object> {
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| | | readonly [Symbol.toStringTag]: "WeakRef";
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| | | /**
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| | | * Returns the WeakRef instance's target object, or undefined if the target object has been
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| | | * reclaimed.
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| | | */
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| | | deref(): T | undefined;
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| | | }
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| | |
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| | | interface WeakRefConstructor {
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| | | readonly prototype: WeakRef<any>;
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| | |
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| | | /**
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| | | * Creates a WeakRef instance for the given target object.
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| | | * @param target The target object for the WeakRef instance.
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| | | */
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| | | new<T extends object>(target?: T): WeakRef<T>;
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| | | }
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| | | declare var WeakRef: WeakRefConstructor;
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| | |
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| | | interface FinalizationRegistry {
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| | | readonly [Symbol.toStringTag]: "FinalizationRegistry";
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| | | /**
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| | | * Registers an object with the registry.
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| | | * @param target The target object to register.
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| | | * @param heldValue The value to pass to the finalizer for this object. This cannot be the
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| | | * target object.
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| | | * @param unregisterToken The token to pass to the unregister method to unregister the target
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| | | * object. If provided (and not undefined), this must be an object. If not provided, the target
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| | | * cannot be unregistered.
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| | | */
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| | | register(target: object, heldValue: any, unregisterToken?: object): void;
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| | |
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| | | /**
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| | | * Unregisters an object from the registry.
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| | | * @param unregisterToken The token that was used as the unregisterToken argument when calling
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| | | * register to register the target object.
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| | | */
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| | | unregister(unregisterToken: object): void;
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| | | }
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| | |
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| | | interface FinalizationRegistryConstructor {
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| | | readonly prototype: FinalizationRegistry;
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| | |
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| | | /**
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| | | * Creates a finalization registry with an associated cleanup callback
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| | | * @param cleanupCallback The callback to call after an object in the registry has been reclaimed.
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| | | */
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| | | new(cleanupCallback: (heldValue: any) => void): FinalizationRegistry;
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| | | }
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| | | declare var FinalizationRegistry: FinalizationRegistryConstructor;
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| | | interface WeakRef<T extends object> { |
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| | | readonly [Symbol.toStringTag]: "WeakRef"; |
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| | | |
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| | | /** |
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| | | * Returns the WeakRef instance's target object, or undefined if the target object has been |
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| | | * reclaimed. |
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| | | */ |
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| | | deref(): T | undefined; |
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| | | } |
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| | | |
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| | | interface WeakRefConstructor { |
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| | | readonly prototype: WeakRef<any>; |
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| | | |
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| | | /** |
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| | | * Creates a WeakRef instance for the given target object. |
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| | | * @param target The target object for the WeakRef instance. |
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| | | */ |
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| | | new<T extends object>(target?: T): WeakRef<T>; |
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| | | } |
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| | | |
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| | | declare var WeakRef: WeakRefConstructor; |
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| | | |
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| | | interface FinalizationRegistry { |
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| | | readonly [Symbol.toStringTag]: "FinalizationRegistry"; |
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| | | |
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| | | /** |
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| | | * Registers an object with the registry. |
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| | | * @param target The target object to register. |
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| | | * @param heldValue The value to pass to the finalizer for this object. This cannot be the |
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| | | * target object. |
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| | | * @param unregisterToken The token to pass to the unregister method to unregister the target |
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| | | * object. If provided (and not undefined), this must be an object. If not provided, the target |
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| | | * cannot be unregistered. |
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| | | */ |
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| | | register(target: object, heldValue: any, unregisterToken?: object): void; |
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| | | |
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| | | /** |
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| | | * Unregisters an object from the registry. |
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| | | * @param unregisterToken The token that was used as the unregisterToken argument when calling |
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| | | * register to register the target object. |
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| | | */ |
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| | | unregister(unregisterToken: object): void; |
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| | | } |
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| | | |
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| | | interface FinalizationRegistryConstructor { |
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| | | readonly prototype: FinalizationRegistry; |
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| | | |
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| | | /** |
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| | | * Creates a finalization registry with an associated cleanup callback |
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| | | * @param cleanupCallback The callback to call after an object in the registry has been reclaimed. |
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| | | */ |
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| | | new(cleanupCallback: (heldValue: any) => void): FinalizationRegistry; |
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| | | } |
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| | | |
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| | | declare var FinalizationRegistry: FinalizationRegistryConstructor; |
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