43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
import LooseTransformer from "./loose";
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import VanillaTransformer from "./vanilla";
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import nameFunction from "babel-helper-function-name";
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export default function ({ types: t }) {
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// todo: investigate traversal requeueing
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let VISITED = Symbol();
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return {
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visitor: {
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ClassDeclaration(path) {
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let { node } = path;
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let ref = node.id || path.scope.generateUidIdentifier("class");
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if (path.parentPath.isExportDefaultDeclaration()) {
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path = path.parentPath;
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path.insertAfter(t.exportDefaultDeclaration(ref));
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}
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path.replaceWith(t.variableDeclaration("let", [
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t.variableDeclarator(ref, t.toExpression(node))
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]));
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},
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ClassExpression(path, state) {
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let { node } = path;
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if (node[VISITED]) return;
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let inferred = nameFunction(path);
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if (inferred && inferred !== node) return path.replaceWith(inferred);
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node[VISITED] = true;
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let Constructor = VanillaTransformer;
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if (state.opts.loose) Constructor = LooseTransformer;
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path.replaceWith(new Constructor(path, state.file).run());
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}
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}
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};
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}
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