element-plus
Version:
A Component Library for Vue 3
45 lines (42 loc) • 1.65 kB
JavaScript
import { isRef, onUnmounted, watch } from 'vue';
import scrollbarWidth from '../../utils/scrollbar-width.mjs';
import { throwError } from '../../utils/error.mjs';
import { removeClass, hasClass, getStyle, addClass } from '../../utils/dom.mjs';
var useLockScreen = (trigger) => {
if (!isRef(trigger)) {
throwError("[useLockScreen]", "You need to pass a ref param to this function");
}
let scrollBarWidth = 0;
let withoutHiddenClass = false;
let bodyPaddingRight = "0";
let computedBodyPaddingRight = 0;
onUnmounted(() => {
cleanup();
});
const cleanup = () => {
removeClass(document.body, "el-popup-parent--hidden");
if (withoutHiddenClass) {
document.body.style.paddingRight = bodyPaddingRight;
}
};
watch(trigger, (val) => {
if (val) {
withoutHiddenClass = !hasClass(document.body, "el-popup-parent--hidden");
if (withoutHiddenClass) {
bodyPaddingRight = document.body.style.paddingRight;
computedBodyPaddingRight = parseInt(getStyle(document.body, "paddingRight"), 10);
}
scrollBarWidth = scrollbarWidth();
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");
} else {
cleanup();
}
});
};
export { useLockScreen as default };
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