All files / src/utils getNameOrValue.js

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/*
 * 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.
 *
 * @flow
 *
 */
 
import recast from 'recast';
 
var {types: {namedTypes: types}} = recast;
 
/**
 * If node is an Identifier, it returns its name. If it is a literal, it returns
 * its value.
 */
export default function getNameOrValue(path: NodePath, raw?: boolean): string {
  var node = path.node;
  switch (node.type) {
    case types.Identifier.name:
      return node.name;
    case types.Literal.name:
      return raw ? node.raw : node.value;
    default:
      throw new TypeError('Argument must be an Identifier or a Literal');
  }
}