8cd4a62c02
* Transform do-expressions on exit This allows other transforms (notably, block scoping) to do their magic first, possibly saving closures. Also fixes a bug with declaring duplicate bindings (de-opts now). * Use strict in exec test * lint
21 lines
462 B
JavaScript
21 lines
462 B
JavaScript
import syntaxDoExpressions from "babel-plugin-syntax-do-expressions";
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export default function () {
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return {
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inherits: syntaxDoExpressions,
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visitor: {
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DoExpression: {
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exit(path) {
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const body = path.node.body.body;
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if (body.length) {
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path.replaceExpressionWithStatements(body);
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} else {
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path.replaceWith(path.scope.buildUndefinedNode());
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}
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},
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},
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},
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};
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}
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