Flow type Image.android.js
Summary: This brings Image a bit more inline with the .ios.js counterpart. Reviewed By: yungsters Differential Revision: D8557495 fbshipit-source-id: 263da529d1a2541b0168745c0141c3fc622a1883
This commit is contained in:
Eli White
Facebook Github Bot
parent
4c6dece09c
commit
8de402d754
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@ -11,18 +11,15 @@
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'use strict';
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const ImageStylePropTypes = require('ImageStylePropTypes');
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const NativeMethodsMixin = require('NativeMethodsMixin');
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const NativeModules = require('NativeModules');
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const React = require('React');
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const ReactNative = require('ReactNative');
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const PropTypes = require('prop-types');
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const ReactNativeViewAttributes = require('ReactNativeViewAttributes');
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const StyleSheet = require('StyleSheet');
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const StyleSheetPropType = require('StyleSheetPropType');
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const TextAncestor = require('TextAncestor');
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const ViewPropTypes = require('ViewPropTypes');
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const createReactClass = require('create-react-class');
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const flattenStyle = require('flattenStyle');
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const merge = require('merge');
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const requireNativeComponent = require('requireNativeComponent');
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@ -183,126 +180,123 @@ declare class ImageComponentType extends ReactNative.NativeComponent<
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*
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* See https://facebook.github.io/react-native/docs/image.html
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*/
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const Image = createReactClass({
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displayName: 'Image',
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propTypes: ImageProps,
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let Image = (
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props: ImagePropsType,
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forwardedRef: ?React.Ref<'RCTTextInlineImage' | 'RKImage'>,
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) => {
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const source = resolveAssetSource(props.source);
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const defaultSource = resolveAssetSource(props.defaultSource);
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const loadingIndicatorSource = resolveAssetSource(
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props.loadingIndicatorSource,
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);
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statics: {
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getSize,
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// As opposed to the ios version, here we render `null` when there is no source, source.uri
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// or source array.
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/**
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* Prefetches a remote image for later use by downloading it to the disk
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* cache
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*
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* See https://facebook.github.io/react-native/docs/image.html#prefetch
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*/
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prefetch,
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if (source && source.uri === '') {
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console.warn('source.uri should not be an empty string');
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}
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/**
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* Abort prefetch request.
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*
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* See https://facebook.github.io/react-native/docs/image.html#abortprefetch
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*/
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abortPrefetch,
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/**
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* Perform cache interrogation.
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*
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* See https://facebook.github.io/react-native/docs/image.html#querycache
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*/
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queryCache,
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/**
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* Resolves an asset reference into an object.
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*
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* See https://facebook.github.io/react-native/docs/image.html#resolveassetsource
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*/
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resolveAssetSource: resolveAssetSource,
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},
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mixins: [NativeMethodsMixin],
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/**
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* `NativeMethodsMixin` will look for this when invoking `setNativeProps`. We
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* make `this` look like an actual native component class.
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*/
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viewConfig: {
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uiViewClassName: 'RCTView',
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validAttributes: ReactNativeViewAttributes.RCTView,
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},
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render: function() {
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const source = resolveAssetSource(this.props.source);
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const defaultSource = resolveAssetSource(this.props.defaultSource);
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const loadingIndicatorSource = resolveAssetSource(
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this.props.loadingIndicatorSource,
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if (props.src) {
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console.warn(
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'The <Image> component requires a `source` property rather than `src`.',
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);
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}
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// As opposed to the ios version, here we render `null` when there is no source, source.uri
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// or source array.
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if (source && source.uri === '') {
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console.warn('source.uri should not be an empty string');
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}
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if (this.props.src) {
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console.warn(
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'The <Image> component requires a `source` property rather than `src`.',
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);
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}
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if (this.props.children) {
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throw new Error(
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'The <Image> component cannot contain children. If you want to render content on top of the image, consider using the <ImageBackground> component or absolute positioning.',
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);
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}
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if (this.props.defaultSource && this.props.loadingIndicatorSource) {
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throw new Error(
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'The <Image> component cannot have defaultSource and loadingIndicatorSource at the same time. Please use either defaultSource or loadingIndicatorSource.',
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);
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}
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if (!source || (!source.uri && !Array.isArray(source))) {
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return null;
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}
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let style;
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let sources;
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if (source.uri) {
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const {width, height} = source;
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style = flattenStyle([{width, height}, styles.base, this.props.style]);
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sources = [{uri: source.uri}];
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} else {
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style = flattenStyle([styles.base, this.props.style]);
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sources = source;
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}
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const {onLoadStart, onLoad, onLoadEnd, onError} = this.props;
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const nativeProps = merge(this.props, {
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style,
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shouldNotifyLoadEvents: !!(onLoadStart || onLoad || onLoadEnd || onError),
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src: sources,
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headers: source.headers,
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defaultSrc: defaultSource ? defaultSource.uri : null,
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loadingIndicatorSrc: loadingIndicatorSource
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? loadingIndicatorSource.uri
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: null,
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});
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return (
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<TextAncestor.Consumer>
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{hasTextAncestor =>
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hasTextAncestor ? (
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<RCTTextInlineImage {...nativeProps} />
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) : (
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<RKImage {...nativeProps} />
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)
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}
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</TextAncestor.Consumer>
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if (props.children) {
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throw new Error(
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'The <Image> component cannot contain children. If you want to render content on top of the image, consider using the <ImageBackground> component or absolute positioning.',
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);
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},
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});
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}
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if (props.defaultSource && props.loadingIndicatorSource) {
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throw new Error(
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'The <Image> component cannot have defaultSource and loadingIndicatorSource at the same time. Please use either defaultSource or loadingIndicatorSource.',
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);
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}
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if (!source || (!source.uri && !Array.isArray(source))) {
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return null;
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}
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let style;
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let sources;
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if (source.uri) {
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const {width, height} = source;
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style = flattenStyle([{width, height}, styles.base, props.style]);
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sources = [{uri: source.uri}];
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} else {
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style = flattenStyle([styles.base, props.style]);
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sources = source;
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}
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const {onLoadStart, onLoad, onLoadEnd, onError} = props;
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const nativeProps = merge(props, {
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style,
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shouldNotifyLoadEvents: !!(onLoadStart || onLoad || onLoadEnd || onError),
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src: sources,
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headers: source.headers,
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defaultSrc: defaultSource ? defaultSource.uri : null,
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loadingIndicatorSrc: loadingIndicatorSource
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? loadingIndicatorSource.uri
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: null,
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ref: forwardedRef,
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});
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return (
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<TextAncestor.Consumer>
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{hasTextAncestor =>
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hasTextAncestor ? (
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<RCTTextInlineImage {...nativeProps} />
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) : (
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<RKImage {...nativeProps} />
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)
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}
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</TextAncestor.Consumer>
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);
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};
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// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
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Image = React.forwardRef(Image);
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/**
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* Prefetches a remote image for later use by downloading it to the disk
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* cache
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*
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* See https://facebook.github.io/react-native/docs/image.html#prefetch
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*/
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Image.getSize = getSize;
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/**
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* Prefetches a remote image for later use by downloading it to the disk
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* cache
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*
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* See https://facebook.github.io/react-native/docs/image.html#prefetch
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*/
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Image.prefetch = prefetch;
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/**
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* Abort prefetch request.
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*
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* See https://facebook.github.io/react-native/docs/image.html#abortprefetch
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*/
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Image.abortPrefetch = abortPrefetch;
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/**
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* Perform cache interrogation.
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*
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* See https://facebook.github.io/react-native/docs/image.html#querycache
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*/
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Image.queryCache = queryCache;
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/**
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* Resolves an asset reference into an object.
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*
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* See https://facebook.github.io/react-native/docs/image.html#resolveassetsource
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*/
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Image.resolveAssetSource = resolveAssetSource;
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Image.propTypes = ImageProps;
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const styles = StyleSheet.create({
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base: {
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@ -310,4 +304,4 @@ const styles = StyleSheet.create({
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},
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});
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module.exports = ((Image: any): Class<ImageComponentType>);
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module.exports = (Image: Class<ImageComponentType>);
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