@ucloud-pccl/react-components
Version:
UCloud pccl react components
94 lines (92 loc) • 2.8 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.debounce = debounce;
exports.measureScrollbar = measureScrollbar;
exports.remove = remove;
exports.warningOnce = warningOnce;
var _newArrowCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/newArrowCheck"));
var _warning = _interopRequireDefault(require("warning"));
var scrollbarSize;
// Measure scrollbar width for padding body during modal show/hide
var scrollbarMeasure = {
position: 'absolute',
top: '-9999px',
width: '50px',
height: '50px',
overflow: 'scroll'
};
function measureScrollbar() {
var _this = this;
var direction = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'vertical';
if (typeof document === 'undefined' || typeof window === 'undefined') {
return 0;
}
if (scrollbarSize) {
return scrollbarSize;
}
var scrollDiv = document.createElement('div');
Object.keys(scrollbarMeasure).forEach(function (scrollProp) {
(0, _newArrowCheck2.default)(this, _this);
scrollDiv.style[scrollProp] = scrollbarMeasure[scrollProp];
}.bind(this));
document.body.appendChild(scrollDiv);
var size = 0;
if (direction === 'vertical') {
size = scrollDiv.offsetWidth - scrollDiv.clientWidth;
} else if (direction === 'horizontal') {
size = scrollDiv.offsetHeight - scrollDiv.clientHeight;
}
document.body.removeChild(scrollDiv);
scrollbarSize = size;
return scrollbarSize;
}
function debounce(func, wait, immediate) {
var timeout;
function debounceFunc() {
var _this2 = this;
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var context = this;
// https://fb.me/react-event-pooling
if (args[0] && args[0].persist) {
args[0].persist();
}
var later = function later() {
(0, _newArrowCheck2.default)(this, _this2);
timeout = null;
if (!immediate) {
func.apply(context, args);
}
}.bind(this);
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) {
func.apply(context, args);
}
}
debounceFunc.cancel = function cancel() {
if (timeout) {
clearTimeout(timeout);
timeout = null;
}
};
return debounceFunc;
}
var warned = {};
function warningOnce(condition, format, args) {
if (!warned[format]) {
(0, _warning.default)(condition, format, args);
warned[format] = !condition;
}
}
function remove(array, item) {
var index = array.indexOf(item);
var front = array.slice(0, index);
var last = array.slice(index + 1, array.length);
return front.concat(last);
}