“use strict”;

Object.defineProperty(exports, “__esModule”, {

value: true

}); exports.default = _default;

function _helperHoistVariables() {

const data = _interopRequireDefault(require("@babel/helper-hoist-variables"));

_helperHoistVariables = function () {
  return data;
};

return data;

}

function t() {

const data = _interopRequireWildcard(require("@babel/types"));

t = function () {
  return data;
};

return data;

}

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj = obj; } } } } newObj.default = obj; return newObj; } }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const visitor = {

enter(path, state) {
  if (path.isThisExpression()) {
    state.foundThis = true;
  }

  if (path.isReferencedIdentifier({
    name: "arguments"
  })) {
    state.foundArguments = true;
  }
},

Function(path) {
  path.skip();
}

};

function _default(path, scope = path.scope) {

const {
  node
} = path;
const container = t().functionExpression(null, [], node.body, node.generator, node.async);
let callee = container;
let args = [];
(0, _helperHoistVariables().default)(path, id => scope.push({
  id
}));
const state = {
  foundThis: false,
  foundArguments: false
};
path.traverse(visitor, state);

if (state.foundArguments || state.foundThis) {
  callee = t().memberExpression(container, t().identifier("apply"));
  args = [];

  if (state.foundThis) {
    args.push(t().thisExpression());
  }

  if (state.foundArguments) {
    if (!state.foundThis) args.push(t().nullLiteral());
    args.push(t().identifier("arguments"));
  }
}

let call = t().callExpression(callee, args);
if (node.generator) call = t().yieldExpression(call, true);
return t().returnStatement(call);

}