react-native/website/react-docgen/lib/utils/getPropertyName.js

33 lines
938 B
JavaScript

/*
* 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
*/
"use strict";
var getNameOrValue = require('./getNameOrValue');
var types = require('recast').types.namedTypes;
/**
* In an ObjectExpression, the name of a property can either be an identifier
* or a literal (or dynamic, but we don't support those). This function simply
* returns the value of the literal or name of the identifier.
*/
function getPropertyName(propertyPath: NodePath): string {
if (propertyPath.node.computed) {
throw new TypeError('Propery name must be an Identifier or a Literal');
}
return getNameOrValue(propertyPath.get('key'), false);
}
module.exports = getPropertyName;