@elastic/eui/lib/components/delay_render/delay_render.js

Elastic UI Component Library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.EuiDelayRender = void 0;
var _react = require("react");
var _propTypes = _interopRequireDefault(require("prop-types"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } /*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */
var EuiDelayRender = exports.EuiDelayRender = /*#__PURE__*/function (_Component) {
  function EuiDelayRender(props) {
    var _this;
    _classCallCheck(this, EuiDelayRender);
    _this = _callSuper(this, EuiDelayRender, [props]);
    _defineProperty(_this, "delayID", void 0);
    _defineProperty(_this, "toBeDelayed", true);
    _defineProperty(_this, "startDelaying", function () {
      window.clearTimeout(_this.delayID);
      _this.toBeDelayed = true;
      _this.delayID = window.setTimeout(_this.stopDelaying, _this.props.delay);
    });
    _defineProperty(_this, "stopDelaying", function () {
      window.clearTimeout(_this.delayID);
      _this.toBeDelayed = false;
      _this.shouldUpdate();
    });
    _this.state = {
      toggle: false
    };
    return _this;
  }
  _inherits(EuiDelayRender, _Component);
  return _createClass(EuiDelayRender, [{
    key: "shouldUpdate",
    value: function shouldUpdate() {
      this.setState(function (_ref) {
        var toggle = _ref.toggle;
        return {
          toggle: !toggle
        };
      });
    }
  }, {
    key: "componentDidMount",
    value: function componentDidMount() {
      this.startDelaying();
    }
  }, {
    key: "shouldComponentUpdate",
    value: function shouldComponentUpdate() {
      if (this.toBeDelayed) {
        this.startDelaying();
      }
      return true;
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.stopDelaying();
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      this.toBeDelayed = true;
    }
  }, {
    key: "render",
    value: function render() {
      return !this.toBeDelayed ? this.props.children : null;
    }
  }]);
}(_react.Component);
_defineProperty(EuiDelayRender, "defaultProps", {
  delay: 500
});
EuiDelayRender.propTypes = {
  delay: _propTypes.default.number.isRequired
};