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• [DIR] ..
• [FILE] BaseViewConfig.android.js
• [FILE] BaseViewConfig.ios.js
• [FILE] BaseViewConfig.js
• [FILE] BaseViewConfig.js.flow
• [FILE] NativeComponentRegistry.js
• [FILE] NativeComponentRegistryUnstable.js
• [FILE] PlatformBaseViewConfig.js
• [FILE] StaticViewConfigValidator.js
• [FILE] ViewConfig.js
• [FILE] ViewConfigIgnore.js

Просмотр файла: ViewConfig.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
 */

import type {
  PartialViewConfig,
  ViewConfig,
} from '../Renderer/shims/ReactNativeTypes';

import PlatformBaseViewConfig from './PlatformBaseViewConfig';

/**
 * Creates a complete `ViewConfig` from a `PartialViewConfig`.
 */
export function createViewConfig(
  partialViewConfig: PartialViewConfig,
): ViewConfig {
  return {
    uiViewClassName: partialViewConfig.uiViewClassName,
    Commands: {},
    bubblingEventTypes: composeIndexers(
      PlatformBaseViewConfig.bubblingEventTypes,
      partialViewConfig.bubblingEventTypes,
    ),
    directEventTypes: composeIndexers(
      PlatformBaseViewConfig.directEventTypes,
      partialViewConfig.directEventTypes,
    ),
    // $FlowFixMe[incompatible-return]
    validAttributes: composeIndexers(
      // $FlowFixMe[incompatible-call] `style` property confuses Flow.
      PlatformBaseViewConfig.validAttributes,
      // $FlowFixMe[incompatible-call] `style` property confuses Flow.
      partialViewConfig.validAttributes,
    ),
  };
}

function composeIndexers<T>(
  maybeA: ?{+[string]: T},
  maybeB: ?{+[string]: T},
): {+[string]: T} {
  return maybeA == null || maybeB == null
    ? maybeA ?? maybeB ?? {}
    : {...maybeA, ...maybeB};
}

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