140 lines
4.8 KiB
JavaScript
140 lines
4.8 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var vue = require('vue');
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var core = require('@vueuse/core');
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var affix = require('./affix.js');
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var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
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var index = require('../../../hooks/use-namespace/index.js');
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var scroll = require('../../../utils/dom/scroll.js');
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var style = require('../../../utils/dom/style.js');
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var event = require('../../../constants/event.js');
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var error = require('../../../utils/error.js');
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const COMPONENT_NAME = "ElAffix";
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const __default__ = vue.defineComponent({
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name: COMPONENT_NAME
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});
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const _sfc_main = /* @__PURE__ */ vue.defineComponent({
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...__default__,
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props: affix.affixProps,
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emits: affix.affixEmits,
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setup(__props, { expose, emit }) {
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const props = __props;
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const ns = index.useNamespace("affix");
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const target = vue.shallowRef();
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const root = vue.shallowRef();
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const scrollContainer = vue.shallowRef();
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const { height: windowHeight } = core.useWindowSize();
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const {
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height: rootHeight,
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width: rootWidth,
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top: rootTop,
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bottom: rootBottom,
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update: updateRoot
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} = core.useElementBounding(root, { windowScroll: false });
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const targetRect = core.useElementBounding(target);
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const fixed = vue.ref(false);
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const scrollTop = vue.ref(0);
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const transform = vue.ref(0);
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const rootStyle = vue.computed(() => {
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return {
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height: fixed.value ? `${rootHeight.value}px` : "",
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width: fixed.value ? `${rootWidth.value}px` : ""
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};
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});
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const affixStyle = vue.computed(() => {
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if (!fixed.value)
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return {};
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const offset = props.offset ? style.addUnit(props.offset) : 0;
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return {
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height: `${rootHeight.value}px`,
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width: `${rootWidth.value}px`,
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top: props.position === "top" ? offset : "",
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bottom: props.position === "bottom" ? offset : "",
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transform: transform.value ? `translateY(${transform.value}px)` : "",
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zIndex: props.zIndex
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};
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});
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const update = () => {
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if (!scrollContainer.value)
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return;
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scrollTop.value = scrollContainer.value instanceof Window ? document.documentElement.scrollTop : scrollContainer.value.scrollTop || 0;
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const { position, target: target2, offset } = props;
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const rootHeightOffset = offset + rootHeight.value;
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if (position === "top") {
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if (target2) {
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const difference = targetRect.bottom.value - rootHeightOffset;
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fixed.value = offset > rootTop.value && targetRect.bottom.value > 0;
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transform.value = difference < 0 ? difference : 0;
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} else {
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fixed.value = offset > rootTop.value;
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}
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} else if (target2) {
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const difference = windowHeight.value - targetRect.top.value - rootHeightOffset;
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fixed.value = windowHeight.value - offset < rootBottom.value && windowHeight.value > targetRect.top.value;
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transform.value = difference < 0 ? -difference : 0;
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} else {
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fixed.value = windowHeight.value - offset < rootBottom.value;
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}
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};
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const updateRootRect = async () => {
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if (!fixed.value) {
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updateRoot();
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return;
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}
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fixed.value = false;
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await vue.nextTick();
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updateRoot();
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fixed.value = true;
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};
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const handleScroll = async () => {
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updateRoot();
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await vue.nextTick();
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emit("scroll", {
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scrollTop: scrollTop.value,
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fixed: fixed.value
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});
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};
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vue.watch(fixed, (val) => emit(event.CHANGE_EVENT, val));
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vue.onMounted(() => {
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var _a;
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if (props.target) {
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target.value = (_a = document.querySelector(props.target)) != null ? _a : void 0;
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if (!target.value)
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error.throwError(COMPONENT_NAME, `Target does not exist: ${props.target}`);
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} else {
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target.value = document.documentElement;
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}
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scrollContainer.value = scroll.getScrollContainer(root.value, true);
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updateRoot();
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});
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core.useEventListener(scrollContainer, "scroll", handleScroll);
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vue.watchEffect(update);
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expose({
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update,
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updateRoot: updateRootRect
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});
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return (_ctx, _cache) => {
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return vue.openBlock(), vue.createElementBlock("div", {
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ref_key: "root",
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ref: root,
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class: vue.normalizeClass(vue.unref(ns).b()),
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style: vue.normalizeStyle(vue.unref(rootStyle))
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}, [
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vue.createElementVNode("div", {
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class: vue.normalizeClass({ [vue.unref(ns).m("fixed")]: fixed.value }),
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style: vue.normalizeStyle(vue.unref(affixStyle))
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}, [
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vue.renderSlot(_ctx.$slots, "default")
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], 6)
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], 6);
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};
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}
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});
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var Affix = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["__file", "affix.vue"]]);
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exports["default"] = Affix;
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//# sourceMappingURL=affix2.js.map
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