hexo/node_modules/@babel/preset-modules/lib/plugins/transform-edge-default-para.../index.js

36 lines
1.1 KiB
JavaScript

"use strict";
exports.__esModule = true;
exports.default = void 0;
/**
* Converts destructured parameters with default values to non-shorthand syntax.
* This fixes the only arguments-related bug in ES Modules-supporting browsers (Edge 16 & 17).
* Use this plugin instead of @babel/plugin-transform-parameters when targeting ES Modules.
*/
var _default = ({
types: t
}) => {
const isArrowParent = p => p.parentKey === "params" && p.parentPath && t.isArrowFunctionExpression(p.parentPath);
return {
name: "transform-edge-default-parameters",
visitor: {
AssignmentPattern(path) {
const arrowArgParent = path.find(isArrowParent);
if (arrowArgParent && path.parent.shorthand) {
// In Babel 7+, there is no way to force non-shorthand properties.
path.parent.shorthand = false;
(path.parent.extra || {}).shorthand = false; // So, to ensure non-shorthand, rename the local identifier so it no longer matches:
path.scope.rename(path.parent.key.name);
}
}
}
};
};
exports.default = _default;
module.exports = exports.default;