@gitlab/ui/dist/components/base/breadcrumb/breadcrumb.js

GitLab UI Components

import { BBreadcrumb } from 'bootstrap-vue/esm/index.js';
import GlButton from '../button/button';
import GlAvatar from '../avatar/avatar';
import { GlTooltipDirective } from '../../../directives/tooltip';
import GlBreadcrumbItem from './breadcrumb_item';
import __vue_normalize__ from 'vue-runtime-helpers/dist/normalize-component.js';

//
const COLLAPSE_AT_SIZE = 4;
var script = {
  name: 'GlBreadcrumb',
  components: {
    BBreadcrumb,
    GlButton,
    GlBreadcrumbItem,
    GlAvatar
  },
  directives: {
    GlTooltip: GlTooltipDirective
  },
  inheritAttrs: false,
  props: {
    /**
     * The breadcrumb items to be displayed as links.
     */
    items: {
      type: Array,
      required: true,
      default: () => [{
        text: '',
        href: ''
      }],
      validator: items => {
        return items.every(item => {
          const keys = Object.keys(item);
          return keys.includes('text') && (keys.includes('href') || keys.includes('to'));
        });
      }
    }
  },
  data() {
    return {
      isListCollapsed: true
    };
  },
  computed: {
    breadcrumbsSize() {
      return this.items.length;
    },
    hasCollapsible() {
      return this.breadcrumbsSize > COLLAPSE_AT_SIZE;
    },
    nonCollapsibleIndices() {
      return [0, this.breadcrumbsSize - 1, this.breadcrumbsSize - 2];
    }
  },
  methods: {
    isFirstItem(index) {
      return index === 0;
    },
    isLastItem(index) {
      return index === this.breadcrumbsSize - 1;
    },
    expandBreadcrumbs() {
      this.isListCollapsed = false;
      try {
        this.$refs.firstItem[0].querySelector('a').focus();
      } catch (e) {
        /* eslint-disable-next-line no-console */
        console.error(`Failed to set focus on the first breadcrumb item.`);
      }
    },
    showCollapsedBreadcrumbsExpander(index) {
      return index === 0 && this.hasCollapsible && this.isListCollapsed;
    },
    isItemCollapsed(index) {
      return this.hasCollapsible && this.isListCollapsed && !this.nonCollapsibleIndices.includes(index);
    },
    getAriaCurrentAttr(index) {
      return this.isLastItem(index) ? 'page' : false;
    }
  }
};

/* script */
const __vue_script__ = script;

/* template */
var __vue_render__ = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('nav',{staticClass:"gl-breadcrumbs",attrs:{"aria-label":"Breadcrumb"}},[_c('b-breadcrumb',_vm._g(_vm._b({staticClass:"gl-breadcrumb-list"},'b-breadcrumb',_vm.$attrs,false),_vm.$listeners),[_vm._l((_vm.items),function(item,index){return [_c('gl-breadcrumb-item',{directives:[{name:"show",rawName:"v-show",value:(!_vm.isItemCollapsed(index)),expression:"!isItemCollapsed(index)"}],ref:_vm.isFirstItem(index) ? 'firstItem' : null,refInFor:true,attrs:{"text":item.text,"href":item.href,"to":item.to,"aria-current":_vm.getAriaCurrentAttr(index)}},[(item.avatarPath)?_c('gl-avatar',{staticClass:"gl-breadcrumb-avatar-tile gl-border gl-mr-2 gl-rounded-base!",attrs:{"src":item.avatarPath,"size":16,"aria-hidden":"true","shape":"rect","data-testid":"avatar"}}):_vm._e(),_c('span',[_vm._v(_vm._s(item.text))])],1),_vm._v(" "),(_vm.showCollapsedBreadcrumbsExpander(index))?[_c('li',{staticClass:"gl-breadcrumb-item"},[_c('gl-button',{directives:[{name:"gl-tooltip",rawName:"v-gl-tooltip.hover",value:('Show all breadcrumbs'),expression:"'Show all breadcrumbs'",modifiers:{"hover":true}}],attrs:{"aria-label":"Show all breadcrumbs","data-testid":"collapsed-expander","icon":"ellipsis_h","category":"primary"},on:{"click":_vm.expandBreadcrumbs}})],1)]:_vm._e()]})],2)],1)};
var __vue_staticRenderFns__ = [];

  /* style */
  const __vue_inject_styles__ = undefined;
  /* scoped */
  const __vue_scope_id__ = undefined;
  /* module identifier */
  const __vue_module_identifier__ = undefined;
  /* functional template */
  const __vue_is_functional_template__ = false;
  /* style inject */
  
  /* style inject SSR */
  
  /* style inject shadow dom */
  

  
  const __vue_component__ = __vue_normalize__(
    { render: __vue_render__, staticRenderFns: __vue_staticRenderFns__ },
    __vue_inject_styles__,
    __vue_script__,
    __vue_scope_id__,
    __vue_is_functional_template__,
    __vue_module_identifier__,
    false,
    undefined,
    undefined,
    undefined
  );

export default __vue_component__;
export { COLLAPSE_AT_SIZE };