element-plus
Version:
A Component Library for Vue 3
48 lines (45 loc) • 1.79 kB
JavaScript
import { isRef, watch, onScopeDispose } from 'vue';
import { isClient } from '@vueuse/core';
import '../../utils/index.mjs';
import { throwError } from '../../utils/error.mjs';
import { hasClass, removeClass, getStyle, addClass } from '../../utils/dom/style.mjs';
import { getScrollBarWidth } from '../../utils/dom/scroll.mjs';
const useLockscreen = (trigger) => {
if (!isRef(trigger)) {
throwError("[useLockscreen]", "You need to pass a ref param to this function");
}
if (!isClient || hasClass(document.body, "el-popup-parent--hidden")) {
return;
}
let scrollBarWidth = 0;
let withoutHiddenClass = false;
let bodyPaddingRight = "0";
let computedBodyPaddingRight = 0;
const cleanup = () => {
removeClass(document.body, "el-popup-parent--hidden");
if (withoutHiddenClass) {
document.body.style.paddingRight = bodyPaddingRight;
}
};
watch(trigger, (val) => {
if (!val) {
cleanup();
return;
}
withoutHiddenClass = !hasClass(document.body, "el-popup-parent--hidden");
if (withoutHiddenClass) {
bodyPaddingRight = document.body.style.paddingRight;
computedBodyPaddingRight = Number.parseInt(getStyle(document.body, "paddingRight"), 10);
}
scrollBarWidth = getScrollBarWidth();
const bodyHasOverflow = document.documentElement.clientHeight < document.body.scrollHeight;
const bodyOverflowY = getStyle(document.body, "overflowY");
if (scrollBarWidth > 0 && (bodyHasOverflow || bodyOverflowY === "scroll") && withoutHiddenClass) {
document.body.style.paddingRight = `${computedBodyPaddingRight + scrollBarWidth}px`;
}
addClass(document.body, "el-popup-parent--hidden");
});
onScopeDispose(() => cleanup());
};
export { useLockscreen };
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