aws-amplify
Version:
AWS Amplify is a JavaScript library for Frontend and mobile developers building cloud-enabled applications.
90 lines (87 loc) • 4.34 kB
JavaScript
import { Amplify, CookieStorage, defaultStorage } from '@aws-amplify/core';
import { parseAmplifyConfig } from '@aws-amplify/core/internals/utils';
import { CognitoAWSCredentialsAndIdentityIdProvider, DefaultIdentityIdStore, cognitoCredentialsProvider, cognitoUserPoolsTokenProvider } from '@aws-amplify/auth/cognito';
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
const DefaultAmplify = {
/**
* Configures Amplify with the {@link resourceConfig} and {@link libraryOptions}.
*
* @param resourceConfig The {@link ResourcesConfig} object that is typically imported from the
* `amplifyconfiguration.json` file. It can also be an object literal created inline when calling `Amplify.configure`.
* @param libraryOptions The {@link LibraryOptions} additional options for the library.
*
* @example
* import config from './amplifyconfiguration.json';
*
* Amplify.configure(config);
*/
configure(resourceConfig, libraryOptions) {
const resolvedResourceConfig = parseAmplifyConfig(resourceConfig);
const cookieBasedKeyValueStorage = new CookieStorage({ sameSite: 'lax' });
const resolvedKeyValueStorage = libraryOptions?.ssr
? cookieBasedKeyValueStorage
: defaultStorage;
const resolvedCredentialsProvider = libraryOptions?.ssr
? new CognitoAWSCredentialsAndIdentityIdProvider(new DefaultIdentityIdStore(cookieBasedKeyValueStorage))
: cognitoCredentialsProvider;
// 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) {
Amplify.configure(resolvedResourceConfig, libraryOptions);
return;
}
// 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) {
Amplify.configure(resolvedResourceConfig, libraryOptions);
return;
}
// 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
resolvedKeyValueStorage);
Amplify.configure(resolvedResourceConfig, {
...libraryOptions,
Auth: {
tokenProvider: cognitoUserPoolsTokenProvider,
credentialsProvider: resolvedCredentialsProvider,
},
});
return;
}
// 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) {
const authLibraryOptions = Amplify.libraryOptions.Auth;
// 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
resolvedKeyValueStorage);
authLibraryOptions.credentialsProvider = resolvedCredentialsProvider;
}
Amplify.configure(resolvedResourceConfig, {
Auth: authLibraryOptions,
...libraryOptions,
});
return;
}
// Finally, if there were no libraryOptions given at all, we should simply not touch the currently
// configured libraryOptions.
Amplify.configure(resolvedResourceConfig);
},
/**
* Returns the {@link ResourcesConfig} object passed in as the `resourceConfig` parameter when calling
* `Amplify.configure`.
*
* @returns An {@link ResourcesConfig} object.
*/
getConfig() {
return Amplify.getConfig();
},
};
export { DefaultAmplify };
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