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denoland-deno/ext/webstorage/lib.deno_webstorage.d.ts
2024-09-23 19:18:52 +00:00

48 lines
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TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file no-explicit-any no-var
/// <reference no-default-lib="true" />
/// <reference lib="esnext" />
/** This Web Storage API interface provides access to a particular domain's
* session or local storage. It allows, for example, the addition, modification,
* or deletion of stored data items.
*
* @category Storage
*/
interface Storage {
/**
* Returns the number of key/value pairs currently present in the list associated with the object.
*/
readonly length: number;
/**
* Empties the list associated with the object of all key/value pairs, if there are any.
*/
clear(): void;
/**
* Returns the current value associated with the given key, or null if the given key does not exist in the list associated with the object.
*/
getItem(key: string): string | null;
/**
* Returns the name of the nth key in the list, or null if n is greater than or equal to the number of key/value pairs in the object.
*/
key(index: number): string | null;
/**
* Removes the key/value pair with the given key from the list associated with the object, if a key/value pair with the given key exists.
*/
removeItem(key: string): void;
/**
* Sets the value of the pair identified by key to value, creating a new key/value pair if none existed for key previously.
*
* Throws a "QuotaExceededError" DOMException exception if the new value couldn't be set. (Setting could fail if, e.g., the user has disabled storage for the site, or if the quota has been exceeded.)
*/
setItem(key: string, value: string): void;
[name: string]: any;
}
/** @category Storage */
declare var Storage: {
readonly prototype: Storage;
new (): never;
};