31 lines
933 B
JavaScript
31 lines
933 B
JavaScript
/**
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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
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* @format
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*/
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let componentNameToExists: Map<string, boolean> = new Map();
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/**
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* Unstable API. Do not use!
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*
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* This method returns if the component with name received as a parameter
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* is registered in the native platform.
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*/
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export function unstable_hasComponent(name: string): boolean {
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let hasNativeComponent = componentNameToExists.get(name);
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if (hasNativeComponent == null) {
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if (global.__nativeComponentRegistry__hasComponent) {
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hasNativeComponent = global.__nativeComponentRegistry__hasComponent(name);
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componentNameToExists.set(name, hasNativeComponent);
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} else {
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throw `unstable_hasComponent('${name}'): Global function is not registered`;
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}
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}
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return hasNativeComponent;
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}
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