78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule requireNativeComponent
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* @flow
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*/
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'use strict';
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var RCTUIManager = require('NativeModules').UIManager;
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var UnimplementedView = require('UnimplementedView');
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var createReactNativeComponentClass = require('createReactNativeComponentClass');
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var deepDiffer = require('deepDiffer');
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var insetsDiffer = require('insetsDiffer');
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var pointsDiffer = require('pointsDiffer');
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var matricesDiffer = require('matricesDiffer');
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var sizesDiffer = require('sizesDiffer');
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var verifyPropTypes = require('verifyPropTypes');
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var warning = require('warning');
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/**
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* Used to create React components that directly wrap native component
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* implementations. Config information is extracted from data exported from the
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* RCTUIManager module. You should also wrap the native component in a
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* hand-written component with full propTypes definitions and other
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* documentation - pass the hand-written component in as `wrapperComponent` to
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* verify all the native props are documented via `propTypes`.
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*
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* If some native props shouldn't be exposed in the wrapper interface, you can
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* pass null for `wrapperComponent` and call `verifyPropTypes` directly
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* with `nativePropsToIgnore`;
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*
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* Common types are lined up with the appropriate prop differs with
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* `TypeToDifferMap`. Non-scalar types not in the map default to `deepDiffer`.
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*/
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function requireNativeComponent(
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viewName: string,
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wrapperComponent: ?Function
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): Function {
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var viewConfig = RCTUIManager[viewName];
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if (!viewConfig || !viewConfig.NativeProps) {
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warning(false, 'Native component for "%s" does not exist', viewName);
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return UnimplementedView;
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}
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var nativeProps = {
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...RCTUIManager.RCTView.NativeProps,
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...viewConfig.NativeProps,
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};
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viewConfig.uiViewClassName = viewName;
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viewConfig.validAttributes = {};
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for (var key in nativeProps) {
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// TODO: deep diff by default in diffRawProperties instead of setting it here
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var differ = TypeToDifferMap[nativeProps[key]] || deepDiffer;
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viewConfig.validAttributes[key] = {diff: differ};
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}
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if (__DEV__) {
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wrapperComponent && verifyPropTypes(wrapperComponent, viewConfig);
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}
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return createReactNativeComponentClass(viewConfig);
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}
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var TypeToDifferMap = {
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// iOS Types
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CATransform3D: matricesDiffer,
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CGPoint: pointsDiffer,
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CGSize: sizesDiffer,
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UIEdgeInsets: insetsDiffer,
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// Android Types
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// (not yet implemented)
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};
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module.exports = requireNativeComponent;
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