31 lines
843 B
JavaScript

import syntaxExportExtensions from "@babel/plugin-syntax-export-extensions";
export default function({ types: t }) {
return {
inherits: syntaxExportExtensions,
visitor: {
ExportNamedDeclaration(path) {
const { node, scope } = path;
const { specifiers } = node;
if (!t.isExportDefaultSpecifier(specifiers[0])) return;
const specifier = specifiers.shift();
const { exported } = specifier;
const uid = scope.generateUidIdentifier(exported.name);
const nodes = [
t.importDeclaration([t.importDefaultSpecifier(uid)], node.source),
t.exportNamedDeclaration(null, [t.exportSpecifier(uid, exported)]),
];
if (specifiers.length >= 1) {
nodes.push(node);
}
path.replaceWithMultiple(nodes);
},
},
};
}