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Update reactNativePlatformResolver for new metro #1605

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Merged
merged 1 commit into from
May 10, 2022
Merged

Update reactNativePlatformResolver for new metro #1605

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37 changes: 10 additions & 27 deletions packages/cli-plugin-metro/src/tools/metroPlatformResolver.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,38 +12,21 @@
* macos: 'react-native-macos'
* }
*/
// @ts-ignore - no typed definition for the package
import {resolve} from 'metro-resolver';

export function reactNativePlatformResolver(platformImplementations: {
[platform: string]: string;
}) {
return (
context: any,
_realModuleName: string,
platform: string,
moduleName: string,
) => {
let backupResolveRequest = context.resolveRequest;
delete context.resolveRequest;

try {
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: any, moduleName: string, platform: string) => {
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)}`;
}
let result = resolve(context, modifiedModuleName, platform);
return result;
} catch (e) {
throw e;
} finally {
context.resolveRequest = backupResolveRequest;
}
return context.resolveRequest(context, modifiedModuleName, platform);
};
}