1 | "use strict";
|
2 |
|
3 | var _interopRequireDefault = require("@babel/runtime-corejs2/helpers/interopRequireDefault");
|
4 |
|
5 | Object.defineProperty(exports, "__esModule", {
|
6 | value: true
|
7 | });
|
8 | exports.default = void 0;
|
9 |
|
10 | var _extends2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/extends"));
|
11 |
|
12 | var _objectSpread2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/objectSpread"));
|
13 |
|
14 | var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/objectWithoutProperties"));
|
15 |
|
16 | var _defineProperty2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/defineProperty"));
|
17 |
|
18 | var _react = _interopRequireDefault(require("react"));
|
19 |
|
20 | var _lodash = _interopRequireDefault(require("lodash.throttle"));
|
21 |
|
22 | var _withState = _interopRequireDefault(require("recompose/withState"));
|
23 |
|
24 | var _lifecycle = _interopRequireDefault(require("recompose/lifecycle"));
|
25 |
|
26 | var _compose = _interopRequireDefault(require("recompose/compose"));
|
27 |
|
28 | var _styles = require("@material-ui/core/styles");
|
29 |
|
30 | var _propTypes = _interopRequireDefault(require("prop-types"));
|
31 |
|
32 |
|
33 |
|
34 | var styles = function styles(_ref) {
|
35 | var breakpoints = _ref.breakpoints;
|
36 | return {
|
37 | root: (0, _defineProperty2.default)({
|
38 | transition: 'margin-top 0.2s'
|
39 | }, breakpoints.up('sm'), {
|
40 | marginTop: '0 !important'
|
41 | })
|
42 | };
|
43 | };
|
44 |
|
45 | var lifecycle = {
|
46 | componentDidMount: function componentDidMount() {
|
47 | var _this$props = this.props,
|
48 | updateIsVisible = _this$props.updateIsVisible,
|
49 | updateHeight = _this$props.updateHeight;
|
50 | var cmp = document.getElementsByClassName('hide-on-scroll')[0];
|
51 |
|
52 | if (!cmp) {
|
53 | throw Error('You use hideOnScroll but no element with the hide-on-scroll was found');
|
54 | }
|
55 |
|
56 | var getFullHeight = function getFullHeight() {
|
57 | return cmp.clientHeight + 11;
|
58 | };
|
59 |
|
60 |
|
61 | var getHeight = function getHeight() {
|
62 | return cmp.clientHeight;
|
63 | };
|
64 |
|
65 | updateHeight(getFullHeight());
|
66 | window.onresize = (0, _lodash.default)(function () {
|
67 | return updateHeight(getFullHeight());
|
68 | });
|
69 | var headroom = 20;
|
70 | var current = window.scrollY;
|
71 | var initial = current;
|
72 | var last = current;
|
73 | var lowest = current;
|
74 | var highest = current;
|
75 | var goingUp;
|
76 | var goingDown;
|
77 | window.onscroll = (0, _lodash.default)(function () {
|
78 | current = window.scrollY;
|
79 | goingUp = current < last;
|
80 | goingDown = !goingUp;
|
81 |
|
82 | if (initial !== current) {
|
83 | if (current < getHeight()) {
|
84 | updateIsVisible(true);
|
85 | } else {
|
86 | if (current < lowest - headroom) {
|
87 | updateIsVisible(true);
|
88 | }
|
89 |
|
90 | if (current > highest + headroom) {
|
91 | updateIsVisible(false);
|
92 | }
|
93 | }
|
94 | }
|
95 |
|
96 | last = current;
|
97 |
|
98 | if (goingDown) {
|
99 | if (current > lowest) {
|
100 | lowest = current;
|
101 | }
|
102 |
|
103 | if (current > highest + headroom) {
|
104 | highest = current - headroom;
|
105 | }
|
106 | }
|
107 |
|
108 | if (goingUp) {
|
109 | if (current < highest) {
|
110 | highest = current;
|
111 | }
|
112 |
|
113 | if (current < lowest - headroom) {
|
114 | lowest = current + headroom;
|
115 | }
|
116 | }
|
117 | }, 10);
|
118 | }
|
119 | };
|
120 |
|
121 | var hideOnScroll = function hideOnScroll(Cmp) {
|
122 | var AutoHideCmp = function AutoHideCmp(_ref2) {
|
123 | var classes = _ref2.classes,
|
124 | children = _ref2.children,
|
125 | height = _ref2.height,
|
126 | isVisible = _ref2.isVisible,
|
127 | style = _ref2.style,
|
128 | updateIsVisible = _ref2.updateIsVisible,
|
129 | updateHeight = _ref2.updateHeight,
|
130 | rest = (0, _objectWithoutProperties2.default)(_ref2, ["classes", "children", "height", "isVisible", "style", "updateIsVisible", "updateHeight"]);
|
131 | return _react.default.createElement(Cmp, (0, _extends2.default)({
|
132 | classes: classes,
|
133 | style: (0, _objectSpread2.default)({}, style, {
|
134 |
|
135 | marginTop: isVisible ? 0 : height ? 0 - height : 0
|
136 | })
|
137 | }, rest), children);
|
138 | };
|
139 |
|
140 | AutoHideCmp.propTypes = {
|
141 | classes: _propTypes.default.object.isRequired,
|
142 | children: function children(props, propName, componentName) {
|
143 | if (!Object.prototype.hasOwnProperty.call(props, propName)) {
|
144 | throw new Error("Prop `".concat(propName, "` has type 'any' or 'mixed', but was not provided to `").concat(componentName, "`. Pass undefined or any other value."));
|
145 | }
|
146 | },
|
147 | isVisible: _propTypes.default.bool.isRequired,
|
148 | style: _propTypes.default.object,
|
149 | height: _propTypes.default.number,
|
150 | updateIsVisible: _propTypes.default.func.isRequired,
|
151 | updateHeight: _propTypes.default.func.isRequired
|
152 | };
|
153 | return (0, _compose.default)((0, _withState.default)('isVisible', 'updateIsVisible', true), (0, _withState.default)('height', 'updateHeight', null), (0, _lifecycle.default)(lifecycle), (0, _styles.withStyles)(styles))(AutoHideCmp);
|
154 | };
|
155 |
|
156 | var _default = hideOnScroll;
|
157 | exports.default = _default; |
\ | No newline at end of file |