react-schema/lib/utils/getTypeName.js

Use react like PropTypes for generic object validation.

'use strict';

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

var _PropTypes = require('../PropTypes');

var _PropTypes2 = _interopRequireDefault(_PropTypes);

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

/**
 * Attempts to locate (or infer) the PropType name from a checker.
 *
 * @param {Function} checker
 *        This could either be an instance of a chainable type checker (like
 *        oneOf and shape) or a primitive type checker (string or number).
 *
 * @return {String}
 */
var getTypeName = function getTypeName(checker) {
  if (!checker) {
    return undefined;
  } else if (checker.$meta) {
    return checker.$meta.type; // An introspectable checker.
  }
  var typeName = void 0;

  // Maybe this is a primitive checker?
  Object.keys(_PropTypes2.default).some(function (key) {
    if (_PropTypes2.default[key] === checker || _PropTypes2.default[key] && _PropTypes2.default[key].isRequired === checker) {
      typeName = key;
      return true;
    }
    return undefined;
  });

  // Finish up.
  return typeName;
};

exports.default = getTypeName;
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