react-youtube-playlist/example/node_modules/uncontrollable/utils.js

A react component for displaying the contents of a user's YouTube playlist.

'use strict';

exports.__esModule = true;
exports.version = undefined;
exports.uncontrolledPropTypes = uncontrolledPropTypes;
exports.getType = getType;
exports.getValue = getValue;
exports.getLinkName = getLinkName;
exports.defaultKey = defaultKey;
exports.chain = chain;
exports.transform = transform;
exports.each = each;
exports.has = has;
exports.isReactComponent = isReactComponent;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _invariant = require('invariant');

var _invariant2 = _interopRequireDefault(_invariant);

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

function readOnlyPropType(handler, name) {
  return function (props, propName) {
    if (props[propName] !== undefined) {
      if (!props[handler]) {
        return new Error('You have provided a `' + propName + '` prop to ' + '`' + name + '` without an `' + handler + '` handler. This will render a read-only field. ' + 'If the field should be mutable use `' + defaultKey(propName) + '`. Otherwise, set `' + handler + '`');
      }
    }
  };
}

function uncontrolledPropTypes(controlledValues, basePropTypes, displayName) {
  var propTypes = {};

  if (process.env.NODE_ENV !== 'production' && basePropTypes) {
    transform(controlledValues, function (obj, handler, prop) {
      (0, _invariant2.default)(typeof handler === 'string' && handler.trim().length, 'Uncontrollable - [%s]: the prop `%s` needs a valid handler key name in order to make it uncontrollable', displayName, prop);

      obj[prop] = readOnlyPropType(handler, displayName);
    }, propTypes);
  }

  return propTypes;
}

var version = exports.version = _react2.default.version.split('.').map(parseFloat);

function getType(component) {
  if (version[0] >= 15 || version[0] === 0 && version[1] >= 13) return component;

  return component.type;
}

function getValue(props, name) {
  var linkPropName = getLinkName(name);

  if (linkPropName && !isProp(props, name) && isProp(props, linkPropName)) return props[linkPropName].value;

  return props[name];
}

function isProp(props, prop) {
  return props[prop] !== undefined;
}

function getLinkName(name) {
  return name === 'value' ? 'valueLink' : name === 'checked' ? 'checkedLink' : null;
}

function defaultKey(key) {
  return 'default' + key.charAt(0).toUpperCase() + key.substr(1);
}

function chain(thisArg, a, b) {
  return function chainedFunction() {
    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    a && a.call.apply(a, [thisArg].concat(args));
    b && b.call.apply(b, [thisArg].concat(args));
  };
}

function transform(obj, cb, seed) {
  each(obj, cb.bind(null, seed = seed || (Array.isArray(obj) ? [] : {})));
  return seed;
}

function each(obj, cb, thisArg) {
  if (Array.isArray(obj)) return obj.forEach(cb, thisArg);

  for (var key in obj) {
    if (has(obj, key)) cb.call(thisArg, obj[key], key, obj);
  }
}

function has(o, k) {
  return o ? Object.prototype.hasOwnProperty.call(o, k) : false;
}

/**
 * Copyright (c) 2013-present, 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.
 */
function isReactComponent(component) {
  return !!(component && component.prototype && component.prototype.isReactComponent);
}