55 lines
3.2 KiB
JavaScript
55 lines
3.2 KiB
JavaScript
import omit from 'lodash/omit';
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import pick from 'lodash/pick';
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import React from 'react';
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import { NativeModules, UIManager, ViewPropTypes, requireNativeComponent } from 'react-native';
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// To make the transition from React Native's `requireNativeComponent` to Expo's
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// `requireNativeViewManager` as easy as possible, `requireNativeViewManager` is a drop-in
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// replacement for `requireNativeComponent`.
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//
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// For each view manager, we create a wrapper component that accepts all of the props available to
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// the author of the universal module. This wrapper component splits the props into two sets: props
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// passed to React Native's View (ex: style, testID) and custom view props, which are passed to the
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// adapter view component in a prop called `proxiedProperties`.
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// NOTE: React Native is moving away from runtime PropTypes and may remove ViewPropTypes, in which
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// case we will need another way to separate standard React Native view props from other props,
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// which we proxy through the adapter
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const ViewPropTypesKeys = Object.keys(ViewPropTypes);
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/**
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* A drop-in replacement for `requireNativeComponent`.
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*/
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export function requireNativeViewManager(viewName) {
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if (__DEV__) {
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const { NativeUnimoduleProxy } = NativeModules;
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if (!NativeUnimoduleProxy.viewManagersNames.includes(viewName)) {
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const exportedViewManagerNames = NativeUnimoduleProxy.viewManagersNames.join(', ');
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console.warn(`The native view manager required by name (${viewName}) from NativeViewManagerAdapter isn't exported by @unimodules/react-native-adapter. Views of this type may not render correctly. Exported view managers: [${exportedViewManagerNames}].`);
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}
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}
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// Set up the React Native native component, which is an adapter to the universal module's view
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// manager
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const reactNativeViewName = `ViewManagerAdapter_${viewName}`;
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const ReactNativeComponent = requireNativeComponent(reactNativeViewName);
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const reactNativeUIConfiguration = (UIManager.getViewManagerConfig
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? UIManager.getViewManagerConfig(reactNativeViewName)
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: UIManager[reactNativeViewName]) || {
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NativeProps: {},
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directEventTypes: {},
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};
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const reactNativeComponentPropNames = [
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'children',
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...ViewPropTypesKeys,
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...Object.keys(reactNativeUIConfiguration.NativeProps),
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...Object.keys(reactNativeUIConfiguration.directEventTypes),
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];
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// Define a component for universal-module authors to access their native view manager
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function NativeComponentAdapter(props, ref) {
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// TODO: `omit` may incur a meaningful performance cost across many native components rendered
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// in the same update. Profile this and write out a partition function if this is a bottleneck.
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const nativeProps = pick(props, reactNativeComponentPropNames);
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const proxiedProps = omit(props, reactNativeComponentPropNames);
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return React.createElement(ReactNativeComponent, Object.assign({}, nativeProps, { proxiedProperties: proxiedProps, ref: ref }));
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}
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NativeComponentAdapter.displayName = `Adapter<${viewName}>`;
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return React.forwardRef(NativeComponentAdapter);
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}
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//# sourceMappingURL=NativeViewManagerAdapter.native.js.map
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