@aws-amplify/core/dist/esm/storage/KeyValueStorage.mjs

Core category of aws-amplify

import { PlatformNotSupportedError } from '../errors/PlatformNotSupportedError.mjs';
import '../errors/errorHelpers.mjs';

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
/**
 * @internal
 */
class KeyValueStorage {
    constructor(storage) {
        this.storage = storage;
    }
    /**
     * This is used to set a specific item in storage
     * @param {string} key - the key for the item
     * @param {object} value - the value
     * @returns {string} value that was set
     */
    async setItem(key, value) {
        if (!this.storage)
            throw new PlatformNotSupportedError();
        this.storage.setItem(key, value);
    }
    /**
     * This is used to get a specific key from storage
     * @param {string} key - the key for the item
     * This is used to clear the storage
     * @returns {string} the data item
     */
    async getItem(key) {
        if (!this.storage)
            throw new PlatformNotSupportedError();
        return this.storage.getItem(key);
    }
    /**
     * This is used to remove an item from storage
     * @param {string} key - the key being set
     * @returns {string} value - value that was deleted
     */
    async removeItem(key) {
        if (!this.storage)
            throw new PlatformNotSupportedError();
        this.storage.removeItem(key);
    }
    /**
     * This is used to clear the storage
     * @returns {string} nothing
     */
    async clear() {
        if (!this.storage)
            throw new PlatformNotSupportedError();
        this.storage.clear();
    }
}

export { KeyValueStorage };
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