view-ui-plus
Version:
A high quality UI components Library with Vue.js 3
51 lines (50 loc) • 1.94 kB
JavaScript
// used for Modal & $Spin & Drawer
import { getScrollBarSize } from '../../utils/assist';
import { isClient } from '../../utils/index';
export default {
props: {
lockScroll: {
type: Boolean,
default: true
}
},
methods: {
checkScrollBar () {
if (!isClient) return;
let fullWindowWidth = window.innerWidth;
if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
const documentElementRect = document.documentElement.getBoundingClientRect();
fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left);
}
this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth;
if (this.bodyIsOverflowing) {
this.scrollBarWidth = getScrollBarSize();
}
},
checkMaskInVisible () {
let masks = isClient ? (document.getElementsByClassName('ivu-modal-mask') || []) : [];
return Array.from(masks).every(m => m.style.display === 'none' || m.classList.contains('fade-leave-to'));
},
setScrollBar () {
if (isClient && this.bodyIsOverflowing && this.scrollBarWidth !== undefined) {
document.body.style.paddingRight = `${this.scrollBarWidth}px`;
}
},
resetScrollBar () {
isClient && (document.body.style.paddingRight = '');
},
addScrollEffect () {
if (!this.lockScroll) return;
this.checkScrollBar();
this.setScrollBar();
isClient && (document.body.style.overflow = 'hidden');
},
removeScrollEffect() {
if (!this.lockScroll) return;
if (isClient && this.checkMaskInVisible()) {
document.body.style.overflow = '';
this.resetScrollBar();
}
}
}
};