53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict-local
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* @format
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*/
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import type {
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PartialViewConfig,
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ViewConfig,
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} from '../Renderer/shims/ReactNativeTypes';
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import PlatformBaseViewConfig from './PlatformBaseViewConfig';
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/**
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* Creates a complete `ViewConfig` from a `PartialViewConfig`.
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*/
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export function createViewConfig(
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partialViewConfig: PartialViewConfig,
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): ViewConfig {
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return {
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uiViewClassName: partialViewConfig.uiViewClassName,
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Commands: {},
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bubblingEventTypes: composeIndexers(
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PlatformBaseViewConfig.bubblingEventTypes,
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partialViewConfig.bubblingEventTypes,
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),
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directEventTypes: composeIndexers(
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PlatformBaseViewConfig.directEventTypes,
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partialViewConfig.directEventTypes,
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),
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// $FlowFixMe[incompatible-return]
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validAttributes: composeIndexers(
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// $FlowFixMe[incompatible-call] `style` property confuses Flow.
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PlatformBaseViewConfig.validAttributes,
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// $FlowFixMe[incompatible-call] `style` property confuses Flow.
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partialViewConfig.validAttributes,
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),
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};
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}
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function composeIndexers<T>(
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maybeA: ?{+[string]: T},
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maybeB: ?{+[string]: T},
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): {+[string]: T} {
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return maybeA == null || maybeB == null
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? maybeA ?? maybeB ?? {}
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: {...maybeA, ...maybeB};
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}
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