vue-antd-ui/es/vc-menu/util.js

An enterprise-class UI design language and Vue-based implementation

export function noop() {}

export function getKeyFromChildrenIndex(child, menuEventKey, index) {
  var prefix = menuEventKey || '';
  return child.key || prefix + 'item_' + index;
}

export function loopMenuItem(children, cb) {
  var index = -1;
  children.forEach(function (c) {
    index++;
    if (c && c.type && c.type.isMenuItemGroup) {
      c.$slots['default'].forEach(function (c2) {
        index++;
        c.componentOptions && cb(c2, index);
      });
    } else {
      c.componentOptions && cb(c, index);
    }
  });
}

export function loopMenuItemRecusively(children, keys, ret) {
  if (!children || ret.find) {
    return;
  }
  children.forEach(function (c) {
    if (ret.find) {
      return;
    }
    if (c.data && c.data.slot && c.data.slot !== 'default') {
      return;
    }
    if (c && c.componentOptions) {
      var options = c.componentOptions.Ctor.options;
      if (!options || !(options.isSubMenu || options.isMenuItem || options.isMenuItemGroup)) {
        return;
      }
      if (keys.indexOf(c.key) !== -1) {
        ret.find = true;
      } else if (c.componentOptions.children) {
        loopMenuItemRecusively(c.componentOptions.children, keys, ret);
      }
    }
  });
}