devextreme
Version:
JavaScript/TypeScript Component Suite for Responsive Web Development
42 lines (41 loc) • 1.21 kB
JavaScript
/**
* DevExtreme (esm/__internal/ui/overlay/z_index.js)
* Version: 25.2.5
* Build date: Fri Feb 20 2026
*
* Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
ensureDefined
} from "../../../core/utils/common";
let baseZIndex = 1500;
let zIndexStack = [];
export const base = zIndex => {
baseZIndex = ensureDefined(zIndex, baseZIndex);
return baseZIndex
};
export const create = function() {
let baseIndex = arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : baseZIndex;
const {
length: length
} = zIndexStack;
const index = (length ? zIndexStack[length - 1] : baseIndex) + 1;
zIndexStack.push(index);
return index
};
export const remove = zIndex => {
const position = zIndexStack.indexOf(zIndex);
if (position >= 0) {
zIndexStack.splice(position, 1)
}
};
export const isLastZIndexInStack = zIndex => {
if (zIndexStack.length) {
return zIndexStack[zIndexStack.length - 1] === zIndex
}
return false
};
export const clearStack = () => {
zIndexStack = []
};