24 lines
592 B
JavaScript
24 lines
592 B
JavaScript
import syntaxThrowExpressions from "@babel/plugin-syntax-throw-expressions";
|
|
import { types as t } from "@babel/core";
|
|
|
|
export default function() {
|
|
return {
|
|
inherits: syntaxThrowExpressions,
|
|
|
|
visitor: {
|
|
UnaryExpression(path) {
|
|
const { operator, argument } = path.node;
|
|
if (operator !== "throw") return;
|
|
|
|
const arrow = t.functionExpression(
|
|
null,
|
|
[t.identifier("e")],
|
|
t.blockStatement([t.throwStatement(t.identifier("e"))]),
|
|
);
|
|
|
|
path.replaceWith(t.callExpression(arrow, [argument]));
|
|
},
|
|
},
|
|
};
|
|
}
|