fk-react-ui-components/lib/InfiniteScroll/index.js

Step 1 : Create a file in [ Seeds / Plants / Trees ] <br> Step 2 : It should export an Object with component name and story Component [Refer other components] <br> Step 3 : Story Component should return a react component <br> Step 3 : Created file should

"use strict";

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

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 _templateObject = _taggedTemplateLiteral(["\n    height: ", ";\n    overflow: auto;\n    &::-webkit-scrollbar {\n        display: none;\n    }\n"], ["\n    height: ", ";\n    overflow: auto;\n    &::-webkit-scrollbar {\n        display: none;\n    }\n"]);

var _styledComponents = require("styled-components");

var _styledComponents2 = _interopRequireDefault(_styledComponents);

var _react = require("react");

var _react2 = _interopRequireDefault(_react);

var _lodash = require("lodash");

var _lodash2 = _interopRequireDefault(_lodash);

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

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; }

function _taggedTemplateLiteral(strings, raw) { return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }

var ScrollBox = _styledComponents2.default.div(_templateObject, function (props) {
    return props.height || "520px";
});

var listenScrollEvent = _lodash2.default.throttle(function (event) {
    var target = event && event.currentTarget;
    var props = this,
        delta;
    var scrollTop = target && target.scrollTop + target.clientHeight,
        containerHeight = target && target.scrollHeight,
        scrollPercentage = scrollTop > 0 && containerHeight > 0 && scrollTop / containerHeight;
    if (event.wheelDelta) {
        delta = event.wheelDelta;
    } else {
        delta = -1 * event.deltaY;
    }
    if (scrollPercentage > 0.8 && delta < 0) {
        props.onScrollCallback();
    }
}, 200);

var Paginator = function (_React$Component) {
    _inherits(Paginator, _React$Component);

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

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

    _createClass(Paginator, [{
        key: "render",
        value: function render() {
            return _react2.default.createElement(
                ScrollBox,
                { height: this.props.height, onWheel: listenScrollEvent.bind(this.props) },
                this.props.children
            );
        }
    }]);

    return Paginator;
}(_react2.default.Component);

exports.default = Paginator;