@aws-amplify/core/dist/esm/configurationBuilder/configurationBuilder.mjs

Core category of aws-amplify

import { parseAmplifyConfig } from '../utils/parseAmplifyConfig.mjs';
import { deepMerge } from '../utils/deepMerge.mjs';

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
/**
 * Creates a configuration builder for constructing `ResourcesConfig` objects
 * programmatically.
 *
 * @example
 * ```ts
 * import outputs from './amplify_outputs.json';
 *
 * const config = createConfiguration({ from: outputs })
 *   .add('Storage', { S3: { bucket: 'my-bucket', region: 'us-east-1' } })
 *   .build();
 *
 * Amplify.configure(config);
 * ```
 */
function createConfigurationBuilder(options) {
    const config = {};
    function mergeFrom(seed) {
        const resolved = 'build' in seed && typeof seed.build === 'function'
            ? seed.build()
            : parseAmplifyConfig(seed);
        Object.assign(config, resolved);
    }
    if (options?.from) {
        mergeFrom(options.from);
    }
    const builder = {
        from(existing) {
            mergeFrom(existing);
            return builder;
        },
        add(category, value) {
            config[category] = value;
            return builder;
        },
        patch(category, value) {
            const existing = config[category];
            config[category] = deepMerge(existing ?? {}, value);
            return builder;
        },
        auth(value) {
            return builder.add('Auth', value);
        },
        storage(value) {
            return builder.add('Storage', value);
        },
        api(value) {
            return builder.add('API', value);
        },
        analytics(value) {
            return builder.add('Analytics', value);
        },
        geo(value) {
            return builder.add('Geo', value);
        },
        notifications(value) {
            return builder.add('Notifications', value);
        },
        interactions(value) {
            return builder.add('Interactions', value);
        },
        predictions(value) {
            return builder.add('Predictions', value);
        },
        build() {
            return Object.freeze({ ...config });
        },
    };
    return builder;
}

export { createConfigurationBuilder };
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