d8bbaaae0a
* Split exportExtensions into two plugins in babylon * rename proposal-export-default to proposal-export-default-from * rename proposal-export-namespace to proposal-export-namespace-from
32 lines
877 B
JavaScript
32 lines
877 B
JavaScript
import syntaxExportDefaultFrom from "@babel/plugin-syntax-export-default-from";
|
|
import { types as t } from "@babel/core";
|
|
|
|
export default function() {
|
|
return {
|
|
inherits: syntaxExportDefaultFrom,
|
|
|
|
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);
|
|
},
|
|
},
|
|
};
|
|
}
|