aws-amplify/dist/esm/initSingleton.mjs

AWS Amplify is a JavaScript library for Frontend and mobile developers building cloud-enabled applications.

import { Amplify, CookieStorage, defaultStorage } from '@aws-amplify/core';
import { parseAWSExports } from '@aws-amplify/core/internals/utils';
import { cognitoUserPoolsTokenProvider, cognitoCredentialsProvider } from '@aws-amplify/auth/cognito';

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
const DefaultAmplify = {
    configure(resourceConfig, libraryOptions) {
        let resolvedResourceConfig;
        if (Object.keys(resourceConfig).some(key => key.startsWith('aws_'))) {
            resolvedResourceConfig = parseAWSExports(resourceConfig);
        }
        else {
            resolvedResourceConfig = resourceConfig;
        }
        // If no Auth config is provided, no special handling will be required, configure as is.
        // Otherwise, we can assume an Auth config is provided from here on.
        if (!resolvedResourceConfig.Auth) {
            return Amplify.configure(resolvedResourceConfig, libraryOptions);
        }
        // If Auth options are provided, always just configure as is.
        // Otherwise, we can assume no Auth libraryOptions were provided from here on.
        if (libraryOptions?.Auth) {
            return Amplify.configure(resolvedResourceConfig, libraryOptions);
        }
        // If no Auth libraryOptions were previously configured, then always add default providers.
        if (!Amplify.libraryOptions.Auth) {
            cognitoUserPoolsTokenProvider.setAuthConfig(resolvedResourceConfig.Auth);
            cognitoUserPoolsTokenProvider.setKeyValueStorage(
            // TODO: allow configure with a public interface
            libraryOptions?.ssr
                ? new CookieStorage({ sameSite: 'lax' })
                : defaultStorage);
            return Amplify.configure(resolvedResourceConfig, {
                ...libraryOptions,
                Auth: {
                    tokenProvider: cognitoUserPoolsTokenProvider,
                    credentialsProvider: cognitoCredentialsProvider,
                },
            });
        }
        // At this point, Auth libraryOptions would have been previously configured and no overriding
        // Auth options were given, so we should preserve the currently configured Auth libraryOptions.
        if (libraryOptions) {
            // If ssr is provided through libraryOptions, we should respect the intentional reconfiguration.
            if (libraryOptions.ssr !== undefined) {
                cognitoUserPoolsTokenProvider.setKeyValueStorage(
                // TODO: allow configure with a public interface
                libraryOptions.ssr
                    ? new CookieStorage({ sameSite: 'lax' })
                    : defaultStorage);
            }
            return Amplify.configure(resolvedResourceConfig, {
                Auth: Amplify.libraryOptions.Auth,
                ...libraryOptions,
            });
        }
        // Finally, if there were no libraryOptions given at all, we should simply not touch the currently
        // configured libraryOptions.
        Amplify.configure(resolvedResourceConfig);
    },
    getConfig() {
        return Amplify.getConfig();
    },
};

export { DefaultAmplify };
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