zyAdmin/node_modules/dom-zindex/dist/index.common.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getCurrent = exports["default"] = void 0;
exports.getNext = getNext;
exports.getSubCurrent = getSubCurrent;
exports.getSubNext = getSubNext;
exports.setSubCurrent = exports.setCurrent = void 0;
var winDom = null;
var bodyEl = null;
var storeEl = null;
var storeId = 'z-index-manage';
var styleEl = null;
var styleId = 'z-index-style';
var storeMainKey = 'm';
var storeSubKey = 's';
var storeData = {
  m: 1000,
  s: 1000
};
function getDocument() {
  if (!winDom) {
    if (typeof document !== 'undefined') {
      winDom = document;
    }
  }
  return winDom;
}
function getBody() {
  if (winDom && !bodyEl) {
    bodyEl = winDom.body || winDom.getElementsByTagName('body')[0];
  }
  return bodyEl;
}
function getDomMaxZIndex() {
  var max = 0;
  var dom = getDocument();
  if (dom) {
    var body = getBody();
    if (body) {
      var allElem = body.getElementsByTagName('*');
      for (var i = 0; i < allElem.length; i++) {
        var elem = allElem[i];
        if (elem && elem.style && elem.nodeType === 1) {
          var zIndex = elem.style.zIndex;
          if (zIndex && /^\d+$/.test(zIndex)) {
            max = Math.max(max, Number(zIndex));
          }
        }
      }
    }
  }
  return max;
}
function getStyle() {
  if (!styleEl) {
    var dom = getDocument();
    if (dom) {
      styleEl = dom.getElementById(styleId);
      if (!styleEl) {
        styleEl = dom.createElement('style');
        styleEl.id = styleId;
        dom.getElementsByTagName('head')[0].appendChild(styleEl);
      }
    }
  }
  return styleEl;
}
function updateVar() {
  var styEl = getStyle();
  if (styEl) {
    var prefixes = '--dom-';
    var propKey = '-z-index';
    styEl.innerHTML = ':root{' + prefixes + 'main' + propKey + ':' + getCurrent() + ';' + prefixes + 'sub' + propKey + ':' + getSubCurrent() + '}';
  }
}
function getStoreDom() {
  if (!storeEl) {
    var dom = getDocument();
    if (dom) {
      storeEl = dom.getElementById(storeId);
      if (!storeEl) {
        var body = getBody();
        if (body) {
          storeEl = dom.createElement('div');
          storeEl.id = storeId;
          storeEl.style.display = 'none';
          body.appendChild(storeEl);
          setCurrent(storeData.m);
          setSubCurrent(storeData.s);
        }
      }
    }
  }
  return storeEl;
}
function createSetHandle(key) {
  return function (value) {
    if (value) {
      value = Number(value);
      storeData[key] = value;
      var el = getStoreDom();
      if (el) {
        if (el.dataset) {
          el.dataset[key] = value + '';
        } else {
          el.setAttribute('data-' + key, value + '');
        }
      }
    }
    updateVar();
    return storeData[key];
  };
}
var setCurrent = exports.setCurrent = createSetHandle(storeMainKey);
function createGetHandle(key, nextMethod) {
  return function getCurrent(currZindex) {
    var zIndex;
    var el = getStoreDom();
    if (el) {
      var domVal = el.dataset ? el.dataset[key] : el.getAttribute('data-' + key);
      if (domVal) {
        zIndex = Number(domVal);
      }
    }
    if (!zIndex) {
      zIndex = storeData[key];
    }
    if (currZindex) {
      if (Number(currZindex) < zIndex) {
        return nextMethod();
      }
      return currZindex;
    }
    return zIndex;
  };
}
var getCurrent = exports.getCurrent = createGetHandle(storeMainKey, getNext);
function getNext() {
  return setCurrent(getCurrent() + 1);
}
var setSubCurrent = exports.setSubCurrent = createSetHandle(storeSubKey);
var _getSubCurrent = createGetHandle(storeSubKey, getSubNext);
function getSubCurrent() {
  return getCurrent() + _getSubCurrent();
}
function getSubNext() {
  setSubCurrent(_getSubCurrent() + 1);
  return getSubCurrent();
}
/**
 * Web common z-index style management
 */
var DomZIndex = {
  setCurrent: setCurrent,
  getCurrent: getCurrent,
  getNext: getNext,
  setSubCurrent: setSubCurrent,
  getSubCurrent: getSubCurrent,
  getSubNext: getSubNext,
  getMax: getDomMaxZIndex
};
updateVar();
var _default = exports["default"] = DomZIndex;