19 lines
415 B
JavaScript

import * as regex from "babel-helper-regex";
import * as t from "babel-types";
export default function () {
return {
visitor: {
RegExpLiteral(path) {
let { node } = path;
if (!regex.is(node, "y")) return;
path.replaceWith(t.newExpression(t.identifier("RegExp"), [
t.stringLiteral(node.pattern),
t.stringLiteral(node.flags)
]));
}
}
};
}