react-docgen/dist/utils/isExportsOrModuleAssignment.js

A CLI and toolkit to extract information from React components for documentation generation.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isExportsOrModuleAssignment;

var expressionTo = _interopRequireWildcard(require("./expressionTo"));

var _recast = _interopRequireDefault(require("recast"));

/*
 * Copyright (c) 2015, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * 
 *
 */
const types = _recast.default.types.namedTypes;
/**
 * Returns true if the expression is of form `exports.foo = ...;` or
 * `modules.exports = ...;`.
 */

function isExportsOrModuleAssignment(path) {
  if (types.ExpressionStatement.check(path.node)) {
    path = path.get('expression');
  }

  if (!types.AssignmentExpression.check(path.node) || !types.MemberExpression.check(path.node.left)) {
    return false;
  }

  const exprArr = expressionTo.Array(path.get('left'));
  return exprArr[0] === 'module' && exprArr[1] === 'exports' || exprArr[0] === 'exports';
}