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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.reactNativePlatformResolver = reactNativePlatformResolver;
/**
* This is an implementation of a metro resolveRequest option which will remap react-native imports
* to different npm packages based on the platform requested. This allows a single metro instance/config
* to produce bundles for multiple out of tree platforms at a time.
*
* @param platformImplementations
* A map of platform to npm package that implements that platform
*
* Ex:
* {
* windows: 'react-native-windows'
* macos: 'react-native-macos'
* }
*/
function reactNativePlatformResolver(platformImplementations) {
return (context, moduleName, platform) => {
let modifiedModuleName = moduleName;
if (platformImplementations[platform]) {
if (moduleName === 'react-native') {
modifiedModuleName = platformImplementations[platform];
} else if (moduleName.startsWith('react-native/')) {
modifiedModuleName = `${platformImplementations[platform]}/${modifiedModuleName.slice('react-native/'.length)}`;
}
}
return context.resolveRequest(context, modifiedModuleName, platform);
};
}
//# sourceMappingURL=metroPlatformResolver.js.map