sj-miniprogram/merchant-chat-pc/node_modules/element-plus/es/hooks/use-z-index/index.mjs

import { isClient } from "../../utils/browser.mjs";
import { isNumber } from "../../utils/types.mjs";
import { debugWarn } from "../../utils/error.mjs";
import { computed, getCurrentInstance, inject, ref, unref } from "vue";

//#region ../../packages/hooks/use-z-index/index.ts
const initial = { current: 0 };
const zIndex = ref(0);
const defaultInitialZIndex = 2e3;
const ZINDEX_INJECTION_KEY = Symbol("elZIndexContextKey");
const zIndexContextKey = Symbol("zIndexContextKey");
const useZIndex = (zIndexOverrides) => {
	const increasingInjection = getCurrentInstance() ? inject(ZINDEX_INJECTION_KEY, initial) : initial;
	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 = () => {
		increasingInjection.current++;
		zIndex.value = increasingInjection.current;
		return currentZIndex.value;
	};
	if (!isClient && !inject(ZINDEX_INJECTION_KEY)) debugWarn("ZIndexInjection", `Looks like you are using server rendering, you must provide a z-index provider to ensure the hydration process to be succeed
usage: app.provide(ZINDEX_INJECTION_KEY, { current: 0 })`);
	return {
		initialZIndex,
		currentZIndex,
		nextZIndex
	};
};

//#endregion
export { ZINDEX_INJECTION_KEY, defaultInitialZIndex, useZIndex, zIndexContextKey };
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