element-plus/es/hooks/use-z-index/index.mjs

A Component Library for Vue 3

import { ref, getCurrentInstance, inject, computed, unref } from 'vue';
import '../../utils/index.mjs';
import { isNumber } from '../../utils/types.mjs';

const zIndex = ref(0);
const defaultInitialZIndex = 2e3;
const zIndexContextKey = Symbol("zIndexContextKey");
const useZIndex = (zIndexOverrides) => {
  const zIndexInjection = zIndexOverrides || (getCurrentInstance() ? inject(zIndexContextKey, void 0) : void 0);
  const initialZIndex = computed(() => {
    const zIndexFromInjection = unref(zIndexInjection);
    return isNumber(zIndexFromInjection) ? zIndexFromInjection : defaultInitialZIndex;
  });
  const currentZIndex = computed(() => initialZIndex.value + zIndex.value);
  const nextZIndex = () => {
    zIndex.value++;
    return currentZIndex.value;
  };
  return {
    initialZIndex,
    currentZIndex,
    nextZIndex
  };
};

export { defaultInitialZIndex, useZIndex, zIndexContextKey };
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