react-promise-tracker/lib/trackerHoc.js

Simple React Promise tracker Hook/HOC helper to add loading spinner indicators

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.promiseTrackerHoc = void 0;

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

var _trackPromise = require("./trackPromise");

var _setupConfig = require("./setupConfig");

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _extends() { _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; }; return _extends.apply(this, arguments); }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

// Props:
// config: {
//  area:  // can be null|undefined|'' (will default to DefaultArea) or area name
//  delay: // Wait Xms to display the spinner (fast connections scenario avoid blinking)
//            default value 0ms
// }
var promiseTrackerHoc = function promiseTrackerHoc(ComponentToWrap) {
  return (
    /*#__PURE__*/
    function (_Component) {
      _inherits(promiseTrackerComponent, _Component);

      function promiseTrackerComponent(props) {
        var _this;

        _classCallCheck(this, promiseTrackerComponent);

        _this = _possibleConstructorReturn(this, _getPrototypeOf(promiseTrackerComponent).call(this, props));
        _this.state = {
          promiseInProgress: false,
          internalPromiseInProgress: false,
          config: (0, _setupConfig.setupConfig)(props.config)
        };
        _this.notifyPromiseInProgress = _this.notifyPromiseInProgress.bind(_assertThisInitialized(_this));
        _this.updateProgress = _this.updateProgress.bind(_assertThisInitialized(_this));
        _this.subscribeToCounterUpdate = _this.subscribeToCounterUpdate.bind(_assertThisInitialized(_this));
        return _this;
      }

      _createClass(promiseTrackerComponent, [{
        key: "notifyPromiseInProgress",
        value: function notifyPromiseInProgress() {
          var _this2 = this;

          this.state.config.delay === 0 ? this.setState({
            promiseInProgress: true
          }) : setTimeout(function () {
            var progress = Boolean((0, _trackPromise.getCounter)(_this2.state.config.area) > 0);

            _this2.setState({
              promiseInProgress: progress
            });
          }, this.state.config.delay);
        }
      }, {
        key: "updateProgress",
        value: function updateProgress(progress, afterUpdateCallback) {
          this.setState({
            internalPromiseInProgress: progress
          }, afterUpdateCallback);
          !progress ? this.setState({
            promiseInProgress: false
          }) : this.notifyPromiseInProgress();
        }
      }, {
        key: "subscribeToCounterUpdate",
        value: function subscribeToCounterUpdate() {
          var _this3 = this;

          _trackPromise.emitter.on(_trackPromise.promiseCounterUpdateEventId, function (anyPromiseInProgress, area) {
            if (_this3.state.config.area === area) {
              _this3.updateProgress(anyPromiseInProgress);
            }
          });
        }
      }, {
        key: "componentDidMount",
        value: function componentDidMount() {
          this.updateProgress(Boolean((0, _trackPromise.getCounter)(this.state.config.area) > 0), this.subscribeToCounterUpdate);
        }
      }, {
        key: "componentWillUnmount",
        value: function componentWillUnmount() {
          _trackPromise.emitter.off(_trackPromise.promiseCounterUpdateEventId);
        }
      }, {
        key: "render",
        value: function render() {
          return _react.default.createElement(ComponentToWrap, _extends({}, this.props, {
            config: this.state.config,
            promiseInProgress: this.state.promiseInProgress
          }));
        }
      }]);

      return promiseTrackerComponent;
    }(_react.Component)
  );
};

exports.promiseTrackerHoc = promiseTrackerHoc;