@ly-js/ui/es/components/fixed-container/src/index.mjs

`@ly-js/ui` 是基于`vue3`常用库，会在`@ly-js/element`、`@ly-js/vant`中引入

import { defineComponent, ref, computed, openBlock, createElementBlock, normalizeClass, unref, normalizeStyle, createCommentVNode, createBlock, Teleport, createElementVNode, renderSlot } from 'vue';
import { useElementSize } from '@vueuse/core';
import { isDef, addUnit } from '@ly-js/utils';
import { name, fixedWrapProps, bem } from './base.mjs';

const __default__ = {
  name,
  inheritAttrs: false
};
const _sfc_main = /* @__PURE__ */ defineComponent({
  ...__default__,
  props: fixedWrapProps,
  setup(__props) {
    const props = __props;
    const wrapRef = ref(null);
    const { height: placeholderHeight, width: placeholderWidth } = useElementSize(wrapRef);
    const wrapStyle = computed(() => {
      const { direction, top, right, bottom, left } = props;
      let offset = props.offset;
      if (offset > 0) {
        offset = `${offset}px`;
      }
      let o = {
        position: props.position,
        zIndex: props.zIndex
      };
      switch (direction) {
        case "top":
          o.top = offset;
          if (isDef(left)) {
            o.left = addUnit(left);
          }
          if (isDef(right)) {
            o.right = addUnit(right);
          }
          break;
        case "right":
          o.right = offset;
          if (isDef(top)) {
            o.top = addUnit(top);
          }
          if (isDef(bottom)) {
            o.bottom = addUnit(bottom);
          }
          break;
        case "bottom":
          o.bottom = offset;
          if (isDef(left)) {
            o.left = addUnit(left);
          }
          if (isDef(right)) {
            o.right = addUnit(right);
          }
          break;
        case "left":
          o.left = offset;
          if (isDef(top)) {
            o.top = addUnit(top);
          }
          if (isDef(bottom)) {
            o.bottom = addUnit(bottom);
          }
          break;
      }
      if (props.width) {
        o.width = addUnit(props.width);
      }
      if (props.height) {
        o.height = addUnit(props.height);
      }
      return o;
    });
    const safeAreaInsetCss = computed(() => {
      return `safe-area-inset-${props.direction}`;
    });
    const placeholderStyle = computed(() => {
      const direction = props.direction;
      if (direction === "left" || direction === "right") {
        return {
          width: placeholderWidth.value + "px"
        };
      }
      return {
        height: placeholderHeight.value + "px"
      };
    });
    return (_ctx, _cache) => {
      return openBlock(), createElementBlock("div", {
        class: normalizeClass([unref(bem)()])
      }, [
        _ctx.placeholder ? (openBlock(), createElementBlock("div", {
          key: 0,
          class: normalizeClass([[unref(bem)("placeholder"), unref(safeAreaInsetCss)], "safe-area-inset-bottom"]),
          style: normalizeStyle(unref(placeholderStyle))
        }, null, 6)) : createCommentVNode("v-if", true),
        (openBlock(), createBlock(Teleport, {
          to: "body",
          disabled: !_ctx.appendToBody
        }, [
          createElementVNode("div", {
            ref_key: "wrapRef",
            ref: wrapRef,
            class: normalizeClass([unref(bem)("wrap"), _ctx.wrapClass]),
            style: normalizeStyle(unref(wrapStyle))
          }, [
            renderSlot(_ctx.$slots, "default")
          ], 6)
        ], 8, ["disabled"]))
      ], 2);
    };
  }
});

export { _sfc_main as default };