import { useNamespace } from "../../../hooks/use-namespace/index.mjs";
import { useOrderedChildren } from "../../../hooks/use-ordered-children/index.mjs";
import { splitterEmits, splitterProps } from "./splitter.mjs";
import { useContainer } from "./hooks/useContainer.mjs";
import { useSize } from "./hooks/useSize.mjs";
import { useResize } from "./hooks/useResize.mjs";
import { splitterRootContextKey } from "./type.mjs";
import { defineComponent, toRef, getCurrentInstance, watch, computed, provide, reactive, createElementBlock, openBlock, normalizeStyle, normalizeClass, unref, renderSlot, createVNode, createCommentVNode, nextTick } from "vue";
var splitter_vue_vue_type_script_setup_true_lang_default = /* @__PURE__ */ defineComponent({
  name: "ElSplitter",
  __name: "splitter",
  props: splitterProps,
  emits: splitterEmits,
  setup(__props, { emit: __emit }) {
    const ns = useNamespace("splitter");
    const emits = __emit;
    const props = __props;
    const layout = toRef(props, "layout");
    const lazy = toRef(props, "lazy");
    const { containerEl, containerSize } = useContainer(layout);
    const { removeChild: unregisterPanel, children: panels, addChild: registerPanel, ChildrenSorter: PanelsSorter } = useOrderedChildren(getCurrentInstance(), "ElSplitterPanel");
    watch(panels, () => {
      movingIndex.value = null;
      panels.value.forEach((instance, index) => {
        instance.setIndex(index);
      });
    });
    const { percentSizes, pxSizes } = useSize(panels, containerSize);
    const { lazyOffset, movingIndex, onMoveStart, onMoving, onMoveEnd, onCollapse } = useResize(panels, containerSize, pxSizes, lazy);
    const splitterStyles = computed(() => {
      return { [ns.cssVarBlockName("bar-offset")]: lazy.value ? `${lazyOffset.value}px` : void 0 };
    });
    const onResizeStart = (index) => {
      onMoveStart(index);
      emits("resizeStart", index, pxSizes.value);
    };
    const onResize = (index, offset) => {
      onMoving(index, offset);
      if (!lazy.value) emits("resize", index, pxSizes.value);
    };
    const onResizeEnd = async (index) => {
      onMoveEnd();
      await nextTick();
      emits("resizeEnd", index, pxSizes.value);
    };
    const onCollapsible = (index, type) => {
      onCollapse(index, type);
      emits("collapse", index, type, pxSizes.value);
    };
    provide(splitterRootContextKey, reactive({
      panels,
      percentSizes,
      pxSizes,
      layout,
      lazy,
      movingIndex,
      containerSize,
      onMoveStart: onResizeStart,
      onMoving: onResize,
      onMoveEnd: onResizeEnd,
      onCollapse: onCollapsible,
      registerPanel,
      unregisterPanel
    }));
    return (_ctx, _cache) => {
      return openBlock(), createElementBlock("div", {
        ref_key: "containerEl",
        ref: containerEl,
        class: normalizeClass([unref(ns).b(), unref(ns).e(layout.value)]),
        style: normalizeStyle(splitterStyles.value)
      }, [
        renderSlot(_ctx.$slots, "default"),
        createVNode(unref(PanelsSorter)),
        createCommentVNode(" Prevent iframe touch events from breaking "),
        unref(movingIndex) ? (openBlock(), createElementBlock("div", {
          key: 0,
          class: normalizeClass([unref(ns).e("mask"), unref(ns).e(`mask-${layout.value}`)])
        }, null, 2)) : createCommentVNode("v-if", true)
      ], 6);
    };
  }
});
export {
  splitter_vue_vue_type_script_setup_true_lang_default as default
};
