@elastic/react-search-ui/lib/withSearch.js

A React library for building search experiences

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _react = _interopRequireDefault(require("react"));

var _SearchContext = _interopRequireDefault(require("./SearchContext"));

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { keys.push.apply(keys, Object.getOwnPropertySymbols(object)); } if (enumerableOnly) keys = keys.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { (0, _defineProperty2.default)(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function buildContextForProps(context) {
  return _objectSpread({}, context.driver.getState(), {}, context.driver.getActions());
}
/* For a given object execute mapContextToProps to pluck out the relevant
properties */


function giveMeJustWhatINeeded(stateOrContext, mapContextToProps, props) {
  var mapContextToPropsToUse = props.mapContextToProps || mapContextToProps;
  return mapContextToPropsToUse(stateOrContext, props) || {};
}
/**
 * This is a Higher Order Component that wraps a component and injects state and actions from Search UI, effectively
 * "connecting" it to Search UI.
 *
 * Components using `withSearch` will be "Pure" components.
 * It is important to understand the implications of using a PureComponent, as described here:
 * https://reactjs.org/docs/optimizing-performance.html#examples
 *
 * @param Function mapContextToProps A function that accepts the context and allows you to pick the values to be passed as props
 * into the component. This allows you to "select" which values from the context to use.
 * @param Function Component
 */


function withSearch(mapContextToProps) {
  if (!mapContextToProps) {
    throw "withSearch requires a function to be provided which returns an object with at least one value.";
  }

  return function (Component) {
    var WithSearch =
    /*#__PURE__*/
    function (_React$PureComponent) {
      (0, _inherits2.default)(WithSearch, _React$PureComponent);

      function WithSearch(props, context) {
        var _this;

        (0, _classCallCheck2.default)(this, WithSearch);
        _this = (0, _possibleConstructorReturn2.default)(this, (0, _getPrototypeOf2.default)(WithSearch).call(this));
        (0, _defineProperty2.default)((0, _assertThisInitialized2.default)(_this), "subscription", function (state) {
          if (_this.unmounted) return;

          _this.setState(function (prevState) {
            return giveMeJustWhatINeeded(_objectSpread({}, prevState, {}, state), mapContextToProps, _this.props);
          });
        });
        _this.state = _objectSpread({}, giveMeJustWhatINeeded(buildContextForProps(context), // eslint-disable-next-line react/prop-types
        mapContextToProps, props)); // Note that we subscribe to changes at the component level, rather than
        // at the top level Provider, so that we are re-rendering the entire
        // subtree when state changes in the Provider.

        context.driver.subscribeToStateChanges(_this.subscription);
        return _this;
      }

      (0, _createClass2.default)(WithSearch, [{
        key: "componentWillUnmount",
        value: function componentWillUnmount() {
          this.unmounted = true;
          this.context.driver.unsubscribeToStateChanges(this.subscription);
        }
      }, {
        key: "render",
        value: function render() {
          // eslint-disable-next-line react/prop-types
          var rest = (0, _extends2.default)({}, this.props);
          return _react.default.createElement(Component, (0, _extends2.default)({}, this.state, rest));
        }
      }]);
      return WithSearch;
    }(_react.default.PureComponent);

    WithSearch.contextType = _SearchContext.default;
    return WithSearch;
  };
}
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