winbox-ui-next/es/carousel/carousel-item.js

We Design Vue 2.0: A Vue.js 3 UI Library

import { defineComponent, getCurrentInstance, inject, onMounted, onUnmounted, computed, openBlock, createElementBlock, normalizeClass, normalizeStyle, renderSlot } from "vue";
import { getPrefixCls } from "../_utils/global-config.js";
import { carouselInjectionKey } from "./context.js";
import _export_sfc from "../_virtual/plugin-vue_export-helper";
const _sfc_main = defineComponent({
  name: "CarouselItem",
  setup() {
    const prefixCls = getPrefixCls("carousel-item");
    const instance = getCurrentInstance();
    const instanceId = instance.uid;
    const context = inject(carouselInjectionKey);
    onMounted(() => {
      if (context == null ? void 0 : context.addItem) {
        context.addItem({
          uid: instanceId
        });
      }
    });
    onUnmounted(() => {
      if (context == null ? void 0 : context.removeItem) {
        context.removeItem(instanceId);
      }
    });
    const myIndexRef = computed(() => {
      const items = (context == null ? void 0 : context.items) || [];
      const index = items.findIndex((it) => it.uid === instanceId);
      return index;
    });
    const cls = computed(() => {
      const { previousIndex, animationName, slideDirection, mergedIndexes } = context;
      const index = myIndexRef.value;
      const { mergedPrevIndex, mergedNextIndex, mergedIndex } = mergedIndexes;
      return {
        [`${prefixCls}-prev`]: index === mergedPrevIndex,
        [`${prefixCls}-next`]: index === mergedNextIndex,
        [`${prefixCls}-current`]: index === mergedIndex,
        [`${prefixCls}-slide-in`]: animationName === "slide" && slideDirection && index === mergedIndex,
        [`${prefixCls}-slide-out`]: animationName === "slide" && slideDirection && index === previousIndex
      };
    });
    const animationStyle = computed(() => {
      const { transitionTimingFunction, moveSpeed } = context;
      return {
        transitionTimingFunction,
        transitionDuration: `${moveSpeed}ms`,
        animationTimingFunction: transitionTimingFunction,
        animationDuration: `${moveSpeed}ms`
      };
    });
    return {
      cls,
      animationStyle
    };
  }
});
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
  return openBlock(), createElementBlock("div", {
    class: normalizeClass(_ctx.cls),
    style: normalizeStyle(_ctx.animationStyle)
  }, [
    renderSlot(_ctx.$slots, "default")
  ], 6);
}
var CarouselItem = /* @__PURE__ */ _export_sfc(_sfc_main, [["render", _sfc_render]]);
export { CarouselItem as default };