radium/lib/enhancer.js

'use strict';

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

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

exports.default = enhanceWithRadium;

var _react = require('react');

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _styleKeeper = require('./style-keeper');

var _styleKeeper2 = _interopRequireDefault(_styleKeeper);

var _resolveStyles2 = require('./resolve-styles');

var _resolveStyles3 = _interopRequireDefault(_resolveStyles2);

var _getRadiumStyleState = require('./get-radium-style-state');

var _getRadiumStyleState2 = _interopRequireDefault(_getRadiumStyleState);

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var KEYS_TO_IGNORE_WHEN_COPYING_PROPERTIES = ['arguments', 'callee', 'caller', 'length', 'name', 'prototype', 'type'];

var RADIUM_PROTO = void 0;
var RADIUM_METHODS = void 0;

function copyProperties(source, target) {
  Object.getOwnPropertyNames(source).forEach(function (key) {
    if (KEYS_TO_IGNORE_WHEN_COPYING_PROPERTIES.indexOf(key) < 0 && !target.hasOwnProperty(key)) {
      var descriptor = Object.getOwnPropertyDescriptor(source, key);
      Object.defineProperty(target, key, descriptor);
    }
  });
}

// Handle scenarios of:
// - Inherit from `React.Component` in any fashion
//   See: https://github.com/FormidableLabs/radium/issues/738
// - There's an explicit `render` field defined
function isStateless(component) {
  var proto = component.prototype || {};

  return !component.isReactComponent && !proto.isReactComponent && !component.render && !proto.render;
}

// Check if value is a real ES class in Native / Node code.
// See: https://stackoverflow.com/a/30760236
function isNativeClass(component) {
  return typeof component === 'function' && /^\s*class\s+/.test(component.toString());
}

function enhanceWithRadium(configOrComposedComponent) {
  var _class, _temp;

  var config = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  if (typeof configOrComposedComponent !== 'function') {
    var newConfig = _extends({}, config, configOrComposedComponent);
    return function (configOrComponent) {
      return enhanceWithRadium(configOrComponent, newConfig);
    };
  }

  var component = configOrComposedComponent;
  var _ComposedComponent = component;

  // Radium is transpiled in npm, so it isn't really using es6 classes at
  // runtime.  However, the user of Radium might be.  In this case we have
  // to maintain forward compatibility with native es classes.
  if (isNativeClass(_ComposedComponent)) {
    _ComposedComponent = function (OrigComponent) {
      function NewComponent() {
        // Use Reflect.construct to simulate 'new'
        var obj = Reflect.construct(OrigComponent, arguments, this.constructor);

        return obj;
      }

      // $FlowFixMe
      Reflect.setPrototypeOf(NewComponent.prototype, OrigComponent.prototype);
      // $FlowFixMe
      Reflect.setPrototypeOf(NewComponent, OrigComponent);

      return NewComponent;
    }(_ComposedComponent);
  }

  // Handle stateless components
  if (isStateless(_ComposedComponent)) {
    _ComposedComponent = function (_Component) {
      _inherits(ComposedComponent, _Component);

      function ComposedComponent() {
        _classCallCheck(this, ComposedComponent);

        return _possibleConstructorReturn(this, (ComposedComponent.__proto__ || Object.getPrototypeOf(ComposedComponent)).apply(this, arguments));
      }

      _createClass(ComposedComponent, [{
        key: 'render',
        value: function render() {
          return component(this.props, this.context);
        }
      }]);

      return ComposedComponent;
    }(_react.Component);

    _ComposedComponent.displayName = component.displayName || component.name;
  }

  // Shallow copy composed if still original (we may mutate later).
  if (_ComposedComponent === component) {
    _ComposedComponent = function (_ComposedComponent2) {
      _inherits(ComposedComponent, _ComposedComponent2);

      function ComposedComponent() {
        _classCallCheck(this, ComposedComponent);

        return _possibleConstructorReturn(this, (ComposedComponent.__proto__ || Object.getPrototypeOf(ComposedComponent)).apply(this, arguments));
      }

      return ComposedComponent;
    }(_ComposedComponent);
  }

  var RadiumEnhancer = (_temp = _class = function (_ComposedComponent3) {
    _inherits(RadiumEnhancer, _ComposedComponent3);

    function RadiumEnhancer() {
      _classCallCheck(this, RadiumEnhancer);

      var _this3 = _possibleConstructorReturn(this, (RadiumEnhancer.__proto__ || Object.getPrototypeOf(RadiumEnhancer)).apply(this, arguments));

      _this3.state = _this3.state || {};
      _this3.state._radiumStyleState = {};
      _this3._radiumIsMounted = true;

      var self = _this3;

      // Handle es7 arrow functions on React class method names by detecting
      // and transfering the instance method to original class prototype.
      // (Using a copy of the class).
      // See: https://github.com/FormidableLabs/radium/issues/738
      RADIUM_METHODS.forEach(function (name) {
        var thisDesc = Object.getOwnPropertyDescriptor(self, name);
        var thisMethod = (thisDesc || {}).value;

        // Only care if have instance method.
        if (!thisMethod) {
          return;
        }

        var radiumDesc = Object.getOwnPropertyDescriptor(RADIUM_PROTO, name);
        var radiumProtoMethod = radiumDesc.value;
        var superProtoMethod = _ComposedComponent.prototype[name];

        // Allow transfer when:
        // 1. have an instance method
        // 2. the super class prototype doesn't have any method
        // 3. it is not already the radium prototype's
        if (!superProtoMethod && thisMethod !== radiumProtoMethod) {
          // Transfer dynamic render component to Component prototype (copy).
          Object.defineProperty(_ComposedComponent.prototype, name, thisDesc);

          // Remove instance property, leaving us to have a contrived
          // inheritance chain of (1) radium, (2) superclass.
          delete self[name];
        }
      });
      return _this3;
    }

    _createClass(RadiumEnhancer, [{
      key: 'componentWillUnmount',
      value: function componentWillUnmount() {
        if (_get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'componentWillUnmount', this)) {
          _get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'componentWillUnmount', this).call(this);
        }

        this._radiumIsMounted = false;

        if (this._radiumMouseUpListener) {
          this._radiumMouseUpListener.remove();
        }

        if (this._radiumMediaQueryListenersByQuery) {
          Object.keys(this._radiumMediaQueryListenersByQuery).forEach(function (query) {
            this._radiumMediaQueryListenersByQuery[query].remove();
          }, this);
        }
      }
    }, {
      key: 'getChildContext',
      value: function getChildContext() {
        var superChildContext = _get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'getChildContext', this) ? _get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'getChildContext', this).call(this) : {};

        if (!this.props.radiumConfig) {
          return superChildContext;
        }

        var newContext = _extends({}, superChildContext);

        if (this.props.radiumConfig) {
          newContext._radiumConfig = this.props.radiumConfig;
        }

        return newContext;
      }
    }, {
      key: 'render',
      value: function render() {
        var renderedElement = _get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'render', this).call(this);
        var currentConfig = this.props.radiumConfig || this.context._radiumConfig || config;

        if (config && currentConfig !== config) {
          currentConfig = _extends({}, config, currentConfig);
        }

        var _resolveStyles = (0, _resolveStyles3.default)(this, renderedElement, currentConfig),
            extraStateKeyMap = _resolveStyles.extraStateKeyMap,
            element = _resolveStyles.element;

        this._extraRadiumStateKeys = Object.keys(extraStateKeyMap);

        return element;
      }

      /* eslint-disable react/no-did-update-set-state, no-unused-vars */

    }, {
      key: 'componentDidUpdate',
      value: function componentDidUpdate(prevProps, prevState) {
        if (_get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'componentDidUpdate', this)) {
          _get(RadiumEnhancer.prototype.__proto__ || Object.getPrototypeOf(RadiumEnhancer.prototype), 'componentDidUpdate', this).call(this, prevProps, prevState);
        }

        if (this._extraRadiumStateKeys.length > 0) {
          var trimmedRadiumState = this._extraRadiumStateKeys.reduce(function (state, key) {
            var extraStateKey = state[key],
                remainingState = _objectWithoutProperties(state, [key]);

            return remainingState;
          }, (0, _getRadiumStyleState2.default)(this));

          this._lastRadiumState = trimmedRadiumState;
          this.setState({ _radiumStyleState: trimmedRadiumState });
        }
      }
      /* eslint-enable react/no-did-update-set-state, no-unused-vars */

    }]);

    return RadiumEnhancer;
  }(_ComposedComponent), _class._isRadiumEnhanced = true, _temp);

  // Lazy infer the method names of the Enhancer.

  RADIUM_PROTO = RadiumEnhancer.prototype;
  RADIUM_METHODS = Object.getOwnPropertyNames(RADIUM_PROTO).filter(function (n) {
    return n !== 'constructor' && typeof RADIUM_PROTO[n] === 'function';
  });

  // Class inheritance uses Object.create and because of __proto__ issues
  // with IE <10 any static properties of the superclass aren't inherited and
  // so need to be manually populated.
  // See http://babeljs.io/docs/advanced/caveats/#classes-10-and-below-
  copyProperties(component, RadiumEnhancer);

  if (process.env.NODE_ENV !== 'production') {
    // This also fixes React Hot Loader by exposing the original components top
    // level prototype methods on the Radium enhanced prototype as discussed in
    // https://github.com/FormidableLabs/radium/issues/219.
    copyProperties(_ComposedComponent.prototype, RadiumEnhancer.prototype);
  }

  if (RadiumEnhancer.propTypes && RadiumEnhancer.propTypes.style) {
    RadiumEnhancer.propTypes = _extends({}, RadiumEnhancer.propTypes, {
      style: _propTypes2.default.oneOfType([_propTypes2.default.array, _propTypes2.default.object])
    });
  }

  RadiumEnhancer.displayName = component.displayName || component.name || 'Component';

  RadiumEnhancer.contextTypes = _extends({}, RadiumEnhancer.contextTypes, {
    _radiumConfig: _propTypes2.default.object,
    _radiumStyleKeeper: _propTypes2.default.instanceOf(_styleKeeper2.default)
  });

  RadiumEnhancer.childContextTypes = _extends({}, RadiumEnhancer.childContextTypes, {
    _radiumConfig: _propTypes2.default.object,
    _radiumStyleKeeper: _propTypes2.default.instanceOf(_styleKeeper2.default)
  });

  return RadiumEnhancer;
}