element-plus
Version:
A Component Library for Vue 3
53 lines (51 loc) • 1.99 kB
JavaScript
import { throwError } from "../../utils/error.mjs";
import { addClass, getStyle, hasClass, removeClass } from "../../utils/dom/style.mjs";
import { getScrollBarWidth } from "../../utils/dom/scroll.mjs";
import { useNamespace } from "../use-namespace/index.mjs";
import { computed, isRef, onScopeDispose, watch } from "vue";
//#region ../../packages/hooks/use-lockscreen/index.ts
/**
* Hook that monitoring the ref value to lock or unlock the screen.
* When the trigger became true, it assumes modal is now opened and vice versa.
* @param trigger {Ref<boolean>}
*/
const useLockscreen = (trigger, options = {}) => {
if (!isRef(trigger)) throwError("[useLockscreen]", "You need to pass a ref param to this function");
const ns = options.ns || useNamespace("popup");
const hiddenCls = computed(() => ns.bm("parent", "hidden"));
let scrollBarWidth = 0;
let withoutHiddenClass = false;
let bodyWidth = "0";
let cleaned = false;
const cleanup = () => {
if (cleaned) return;
cleaned = true;
setTimeout(() => {
if (typeof document === "undefined") return;
if (withoutHiddenClass && document) {
document.body.style.width = bodyWidth;
removeClass(document.body, hiddenCls.value);
}
}, 200);
};
watch(trigger, (val) => {
if (!val) {
cleanup();
return;
}
cleaned = false;
withoutHiddenClass = !hasClass(document.body, hiddenCls.value);
if (withoutHiddenClass) {
bodyWidth = document.body.style.width;
addClass(document.body, hiddenCls.value);
}
scrollBarWidth = getScrollBarWidth(ns.namespace.value);
const bodyHasOverflow = document.documentElement.clientHeight < document.body.scrollHeight;
const bodyOverflowY = getStyle(document.body, "overflowY");
if (scrollBarWidth > 0 && (bodyHasOverflow || bodyOverflowY === "scroll") && withoutHiddenClass) document.body.style.width = `calc(100% - ${scrollBarWidth}px)`;
});
onScopeDispose(() => cleanup());
};
//#endregion
export { useLockscreen };
//# sourceMappingURL=index.mjs.map