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const isCommonJS = (opts) => opts.commonjs === true;
const getDistLocation = (importName, opts) => {
const format = isCommonJS(opts) ? 'cjs/' : '';
const internalName = importName === 'unstable_createElement' ? 'createElement' : importName;
if (internalName === 'index') {
return `react-native-web/dist/${format}index`;
} else if (internalName && moduleMap[internalName]) {
return `react-native-web/dist/${format}exports/${internalName}`;
}
};
const isReactNativeRequire = (t, node) => {
const { declarations } = node;
Iif (declarations.length > 1) {
return false;
}
const { id, init } = declarations[0];
return (
(t.isObjectPattern(id) || t.isIdentifier(id)) &&
t.isCallExpression(init) &&
t.isIdentifier(init.callee) &&
init.callee.name === 'require' &&
init.arguments.length === 1 &&
(init.arguments[0].value === 'react-native' || init.arguments[0].value === 'react-native-web')
);
};
const isReactNativeModule = ({ source, specifiers }) =>
source &&
(source.value === 'react-native' || source.value === 'react-native-web') &&
specifiers.length;
module.exports = function ({ types: t }) {
return {
name: 'Rewrite react-native to react-native-web',
visitor: {
ImportDeclaration(path, state) {
const { specifiers } = path.node;
if (isReactNativeModule(path.node)) {
const imports = specifiers
.map((specifier) => {
if (t.isImportSpecifier(specifier)) {
const importName = specifier.imported.name;
const distLocation = getDistLocation(importName, state.opts);
if (distLocation) {
return t.importDeclaration(
[t.importDefaultSpecifier(t.identifier(specifier.local.name))],
t.stringLiteral(distLocation)
);
}
}
return t.importDeclaration(
[specifier],
t.stringLiteral(getDistLocation('index', state.opts))
);
})
.filter(Boolean);
path.replaceWithMultiple(imports);
}
},
ExportNamedDeclaration(path, state) {
const { specifiers } = path.node;
if (isReactNativeModule(path.node)) {
const exports = specifiers
.map((specifier) => {
Eif (t.isExportSpecifier(specifier)) {
const exportName = specifier.exported.name;
const localName = specifier.local.name;
const distLocation = getDistLocation(localName, state.opts);
Eif (distLocation) {
return t.exportNamedDeclaration(
null,
[t.exportSpecifier(t.identifier('default'), t.identifier(exportName))],
t.stringLiteral(distLocation)
);
}
}
return t.exportNamedDeclaration(
null,
[specifier],
t.stringLiteral(getDistLocation('index', state.opts))
);
})
.filter(Boolean);
path.replaceWithMultiple(exports);
}
},
VariableDeclaration(path, state) {
if (isReactNativeRequire(t, path.node)) {
const { id } = path.node.declarations[0];
if (t.isObjectPattern(id)) {
const imports = id.properties
.map((identifier) => {
const distLocation = getDistLocation(identifier.key.name, state.opts);
Eif (distLocation) {
return t.variableDeclaration(path.node.kind, [
t.variableDeclarator(
t.identifier(identifier.value.name),
t.memberExpression(
t.callExpression(t.identifier('require'), [t.stringLiteral(distLocation)]),
t.identifier('default')
)
)
]);
}
})
.filter(Boolean);
path.replaceWithMultiple(imports);
} else Eif (t.isIdentifier(id)) {
const name = id.name;
const importIndex = t.variableDeclaration(path.node.kind, [
t.variableDeclarator(
t.identifier(name),
t.callExpression(t.identifier('require'), [
t.stringLiteral(getDistLocation('index', state.opts))
])
)
]);
path.replaceWith(importIndex);
}
}
}
}
};
};
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