14584c218c
* Handle arrow function processing via shared API rather than default plugin. * Fix a few small PR comments. * Preserve existing spec arrow 'this' rewrites, and support spec in subclass constructors.
28 lines
899 B
JavaScript
28 lines
899 B
JavaScript
import type { NodePath } from "babel-traverse";
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import { visitors } from "babel-traverse";
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import * as destructuring from "./destructuring";
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import * as def from "./default";
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import * as rest from "./rest";
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export default function () {
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return {
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visitor: visitors.merge([{
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ArrowFunctionExpression(path) {
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// In some conversion cases, it may have already been converted to a function while this callback
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// was queued up.
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if (!path.isArrowFunctionExpression()) return;
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// default/rest visitors require access to `arguments`
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const params: Array<NodePath> = path.get("params");
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for (const param of params) {
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if (param.isRestElement() || param.isAssignmentPattern()) {
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path.arrowFunctionToExpression();
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break;
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}
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}
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},
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}, destructuring.visitor, rest.visitor, def.visitor]),
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};
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}
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