Next: Mega menu in app header

packages/boilerplate/api-client/src/api/getCategory/index.ts

@@ -5,70 +5,115 @@ export default async function getCategory(context, params, customQuery?: CustomQ
   return Promise.resolve([
     {
       id: 1,
+      name: 'New',
+      slug: 'new',
+      children: [
+        {
+          id: 15,
+          name: 'Women',
+          slug: 'new-women',
+          children: [
+            {
+              id: 16,
+              name: 'Clothing',
+              slug: 'new-women-clothing',
+              children: []
+            },
+            {
+              id: 17,
+              name: 'Shoes',
+              slug: 'new-women-shoes',
+              children: []
+            }
+          ]
+        },
+        {
+          id: 11,
+          name: 'Men',
+          slug: 'new-men',
+          children: [
+            {
+              id: 18,
+              name: 'Clothing',
+              slug: 'new-men-clothing',
+              children: []
+            },
+            {
+              id: 19,
+              name: 'Shoes',
+              slug: 'new-men-shoes',
+              children: []
+            }
+          ]
+        }
+      ]
+    },
+    {
+      id: 2,
       name: 'Women',
       slug: 'women',
-      items: [
+      children: [
         {
           id: 4,
           name: 'Women jackets',
           slug: 'women-jackets',
-          items: [
+          children: [
             {
               id: 9,
               name: 'Winter jackets',
               slug: 'winter-jackets',
-              items: []
+              children: []
             },
             {
               id: 10,
               name: 'Autumn jackets',
               slug: 'autmun-jackets',
-              items: []
+              children: []
             }
           ]
         },
         {
           id: 5,
           name: 'Skirts',
           slug: 'skirts',
-          items: []
+          children: []
         }
       ]
     },
     {
-      id: 2,
+      id: 3,
       name: 'Men',
       slug: 'men',
-      items: [
+      children: [
         {
           id: 6,
           name: 'Men T-shirts',
           slug: 'men-tshirts',
-          items: []
+          children: []
         }
       ]
     },
     {
-      id: 3,
+      id: 4,
       name: 'Kids',
       slug: 'kids',
-      items: [
+      children: [
         {
           id: 7,
           name: 'Toys',
           slug: 'toys',
-          items: [
+          children: [
             {
               id: 8,
               name: 'Toy Cars',
               slug: 'toy-cars',
-              items: []
+              children: []
             },
             {
               id: 8,
               name: 'Dolls',
               slug: 'dolls',
-              items: []
+              children: []
             }
           ]
         }

packages/commercetools/api-client/src/api/getCategory/defaultQuery.ts

@@ -1,29 +1,16 @@
 import gql from 'graphql-tag';
+import { CategoryFragment } from './../../fragments';
 
-export default gql`
+export default gql`    
+  ${CategoryFragment}
+
   fragment Children on Category {
     id
     slug(acceptLanguage: $acceptLanguage)
     name(acceptLanguage: $acceptLanguage)
     childCount
   }
 
-  fragment DefaultCategory on Category {
-    id
-    slug(acceptLanguage: $acceptLanguage)
-    name(acceptLanguage: $acceptLanguage)
-    childCount
-    children {
-      ...Children
-      children {
-        ...Children
-        children {
-          ...Children
-        }
-      }
-    }
-  }
-
   query categories($where: String, $sort: [String!], $limit: Int, $offset: Int, $acceptLanguage: [Locale!]) {
     categories(where: $where, sort: $sort, limit: $limit, offset: $offset) {
       offset

packages/commercetools/api-client/src/fragments/index.ts

@@ -297,3 +297,20 @@ export const OrderFragment = `
   }
 `;
 
+export const CategoryFragment = `
+  fragment DefaultCategory on Category {
+    id
+    slug(acceptLanguage: $acceptLanguage)
+    name(acceptLanguage: $acceptLanguage)
+    childCount
+    children {
+      ...Children
+      children {
+        ...Children
+        children {
+          ...Children
+        }
+      }
+    }
+  }
+`;

packages/commercetools/theme/components/header/HeaderNav.vue

@@ -0,0 +1,95 @@
+<template>
+  <SfHeaderNavigation>
+    <SfHeaderNavigationItem
+      v-for="(category, index) in categories"
+      :key="index"
+      :label="category.name"
+      @mouseenter="() => handleMouseEnter(category.slug)"
+      @mouseleave="() => handleMouseLeave()"
+      @click="handleMouseLeave()"
+      :link="localePath(`/c/${category.slug}`)"
+    >
+      <SfMegaMenu
+        :is-absolute="true"
+        :visible="currentCatSlug === category.slug"
+        :title="category.name"
+        @close="currentCatSlug = ''"
+        v-if="category && category.children.length"
+      >
+        <SfMegaMenuColumn
+          v-for="(subCategory, subIndex) in category.children"
+          :key="subIndex"
+          :title="subCategory.name"
+        >
+          <SfLoader :loading="subCategoriesLoading">
+            <SfList>
+              <SfListItem
+                v-for="(subCategoryChild, childIndex) in subCategory.children"
+                :key="childIndex"
+              >
+                <SfMenuItem :label="subCategoryChild.name" :link="localePath(`/c/${subCategoryChild.slug}`)">
+                  <SfLink>
+                    {{ subCategoryChild.name }}
+                  </SfLink>
+                </SfMenuItem>
+              </SfListItem>
+            </SfList>
+          </SfLoader>
+        </SfMegaMenuColumn>
+        <NewCatBanners v-if="currentCatSlug === 'new'" />
+      </SfMegaMenu>
+    </SfHeaderNavigationItem>
+  </SfHeaderNavigation>
+</template>
+
+<script>
+import { SfMegaMenu, SfMenuItem, SfList, SfBanner, SfLoader } from '@storefront-ui/vue';
+import { useCategory } from '@vue-storefront/commercetools';
+import { onSSR } from '@vue-storefront/core';
+import { ref } from '@vue/composition-api';
+import { rootCategoriesQuery } from '../../queries/topCategories';
+import debounce from 'lodash.debounce';
+
+export default {
+  name: 'HeaderNav',
+  components: {
+    SfMegaMenu,
+    SfMenuItem,
+    SfList,
+    SfBanner,
+    SfLoader,
+    NewCatBanners: () => import('./NewCatBanners')
+  },
+  setup (_, { emit }) {
+    const { categories, search } = useCategory('menu-categories');
+    const { categories: subCategories, search: subCategoriesSearch, loading: subCategoriesLoading } = useCategory('menu-subCategories');
+    const currentCatSlug = ref('');
+
+    const handleMouseEnter = debounce((slug) => {
+      if (currentCatSlug.value) return;
+
+      emit('setOverlay', true);
+      currentCatSlug.value = slug;
+      subCategoriesSearch({ slug });
+    }, 200);
+
+    const handleMouseLeave = debounce(() => {
+      emit('setOverlay', false);
+      currentCatSlug.value = '';
+    }, 200);
+
+    onSSR(async () => {
+      await search({ customQuery: rootCategoriesQuery });
+    });
+
+    return {
+      categories,
+      subCategories,
+      currentCatSlug,
+      subCategoriesLoading,
+      handleMouseEnter,
+      handleMouseLeave
+    };
+  }
+};
+</script>

packages/commercetools/theme/queries/topCategories.ts

@@ -0,0 +1,36 @@
+import gql from 'graphql-tag';
+import { CategoryFragment } from '@vue-storefront/commercetools-api';
+
+const customQuery = gql`
+  ${CategoryFragment}
+
+  fragment Children on Category {
+    id
+    slug(acceptLanguage: $acceptLanguage)
+    name(acceptLanguage: $acceptLanguage)
+    childCount
+  }
+
+  query categories($where: String, $sort: [String!], $limit: Int, $offset: Int, $acceptLanguage: [Locale!]) {
+    categories(where: $where, sort: $sort, limit: $limit, offset: $offset) {
+      offset
+      count
+      total
+      results {
+        ...DefaultCategory
+      }
+    }
+  }
+`;
+
+export const rootCategoriesQuery = (query, variables) => {
+  const customVariables = {
+    ...variables,
+    where: 'parent is not defined'
+  };
+
+  return {
+    query: customQuery,
+    variables: customVariables
+  };
+};

packages/core/nuxt-theme-module/package.json

@@ -23,6 +23,7 @@
     "access": "public"
   },
   "dependencies": {
+    "lodash.debounce": "^4.0.8",
     "lodash.merge": "^4.6.2"
   }
 }