webapi.storage.d.ts

//@ts-ignore
declare module globalThis {
	/** 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. */
	class 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;
	}

	const localStorage: Storage;
	const sessionStorage: Storage;
}