react-scripts/node_modules/jsx-ast-utils/lib/getProp.js

Configuration and scripts for Create React App.

'use strict';

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

var _propName = require('./propName');

var _propName2 = _interopRequireDefault(_propName);

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

var DEFAULT_OPTIONS = {
  ignoreCase: true
};

/**
 * Returns the JSXAttribute itself or undefined, indicating the prop
 * is not present on the JSXOpeningElement.
 *
 */
function getProp() {
  var props = arguments.length <= 0 || arguments[0] === undefined ? [] : arguments[0];
  var prop = arguments.length <= 1 || arguments[1] === undefined ? '' : arguments[1];
  var options = arguments.length <= 2 || arguments[2] === undefined ? DEFAULT_OPTIONS : arguments[2];

  var nodeProp = undefined;
  var propToFind = options.ignoreCase ? prop.toUpperCase() : prop;

  var hasProp = props.some(function (attribute) {
    // If the props contain a spread prop, then skip.
    if (attribute.type === 'JSXSpreadAttribute') {
      return false;
    }

    var currentProp = options.ignoreCase ? (0, _propName2.default)(attribute).toUpperCase() : (0, _propName2.default)(attribute);

    if (propToFind === currentProp) {
      nodeProp = attribute;
      return true;
    }

    return false;
  });

  return hasProp ? nodeProp : undefined;
}