mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
23cf99544c
Summary: Changelog: [internal] Creates new function `RCTInstallNativeComponentRegistryBinding` which can be called during JS setup to register JS function `__nativeComponentRegistry__hasComponent`. Note: This diff doesn't call `RCTInstallNativeComponentRegistryBinding`. Reviewed By: shergin Differential Revision: D26946176 fbshipit-source-id: 0625b8dd6090bc9e08baa38ba60b9cbe48268184
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its 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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#pragma once
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#include <string>
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#include <jsi/jsi.h>
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namespace facebook {
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namespace react {
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/**
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* An app/platform-specific provider function to determine if a component
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* is registered in the native platform.
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*/
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using HasComponentProviderFunctionType =
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std::function<bool(const std::string &name)>;
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/**
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* Represents the JavaScript binding for the HasComponent global function.
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*/
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class NativeComponentRegistryBinding {
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public:
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/*
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* Installs NativeComponentRegistryBinding into JavaScript runtime.
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* Thread synchronization must be enforced externally.
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*/
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static void install(
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jsi::Runtime &runtime,
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const HasComponentProviderFunctionType &&provider);
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NativeComponentRegistryBinding(
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const HasComponentProviderFunctionType &&provider);
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/**
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* Returns if there's a component registered with the name received as a
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* parameter
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*/
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bool hasComponent(const std::string &name);
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private:
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/**
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* A lookup function exposed to JS to determine if a component is registered
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* in the native platform.
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*/
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jsi::Value jsProxy(
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jsi::Runtime &runtime,
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const jsi::Value &thisVal,
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const jsi::Value *args,
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size_t count);
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HasComponentProviderFunctionType hasComponentProvider_;
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};
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} // namespace react
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} // namespace facebook
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