react-native/packages/community-cli-plugin/src/utils/parseKeyValueParamArray.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 * @oncall react_native
 */

export default function parseKeyValueParamArray(
  keyValueArray: $ReadOnlyArray<string>,
): Record<string, string> {
  const result = {};

  for (const item of keyValueArray) {
    if (item.indexOf('=') === -1) {
      throw new Error('Expected parameter to include "=" but found: ' + item);
    }
    if (item.indexOf('&') !== -1) {
      throw new Error('Parameter cannot include "&" but found: ' + item);
    }
    const params = new URLSearchParams(item);
    params.forEach((value, key) => {
      // $FlowExpectedError[prop-missing]
      result[key] = value;
    });
  }
  return result;
}