“use strict”;

exports.__esModule = true; exports.wrapWithTypes = wrapWithTypes; exports.getTypes = getTypes; exports.runtimeProperty = runtimeProperty; exports.isReference = isReference; exports.replaceWithOrRemove = replaceWithOrRemove;

/**

* Copyright (c) 2014-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/

var currentTypes = null;

function wrapWithTypes(types, fn) {

return function () {
  var oldTypes = currentTypes;
  currentTypes = types;

  try {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return fn.apply(this, args);
  } finally {
    currentTypes = oldTypes;
  }
};

}

function getTypes() {

return currentTypes;

}

function runtimeProperty(name) {

var t = getTypes();
return t.memberExpression(t.identifier("regeneratorRuntime"), t.identifier(name), false);

}

function isReference(path) {

return path.isReferenced() || path.parentPath.isAssignmentExpression({
  left: path.node
});

}

function replaceWithOrRemove(path, replacement) {

if (replacement) {
  path.replaceWith(replacement);
} else {
  path.remove();
}

}