fix: make NeTable responsive and accessible

src/components/NeTable.vue

@@ -1,9 +1,70 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<script lang="ts" setup>
+import { provide, ref, type PropType } from 'vue'
+import NeTableSkeleton from './NeTableSkeleton.vue'
+
+export type Breakpoint = 'sm' | 'md' | 'lg' | 'xl' | '2xl'
+
+const props = defineProps({
+  ariaLabel: {
+    type: String,
+    required: true
+  },
+  cardBreakpoint: {
+    type: String as PropType<Breakpoint>,
+    default: 'md'
+  },
+  loading: {
+    type: Boolean,
+    default: false
+  },
+  skeletonRows: {
+    type: Number,
+    default: 8
+  },
+  skeletonColumns: {
+    type: Number,
+    default: 4
+  }
+})
+
+// provide cardBreakpoint prop to children components
+provide('cardBreakpoint', ref(props.cardBreakpoint))
+
+const tableCardStyle: Record<Breakpoint, string> = {
+  sm: 'sm:table sm:divide-y sm:divide-gray-300 sm:dark:divide-gray-600',
+  md: 'md:table md:divide-y md:divide-gray-300 md:dark:divide-gray-600',
+  lg: 'lg:table lg:divide-y lg:divide-gray-300 lg:dark:divide-gray-600',
+  xl: 'xl:table xl:divide-y xl:divide-gray-300 xl:dark:divide-gray-600',
+  '2xl': '2xl:table 2xl:divide-y 2xl:divide-gray-300 2xl:dark:divide-gray-600'
+}
+</script>
 <template>
   <div class="overflow-x-auto rounded-lg border border-gray-300 shadow-sm dark:border-gray-600">
     <table
-      class="w-full table-auto divide-y divide-gray-300 bg-white text-left text-sm font-normal text-gray-700 dark:divide-gray-600 dark:bg-gray-950 dark:text-gray-200"
+      role="grid"
+      :aria-label="ariaLabel"
+      :class="[
+        `grid w-full table-auto bg-white text-left text-sm font-normal text-gray-700 dark:bg-gray-950 dark:text-gray-200`,
+        tableCardStyle[cardBreakpoint]
+      ]"
     >
-      <slot />
+      <template v-if="loading">
+        <NeTableSkeleton
+          :rows="skeletonRows"
+          :columns="skeletonColumns"
+          :card-breakpoint="cardBreakpoint"
+        />
+      </template>
+      <template v-else>
+        <slot />
+      </template>
     </table>
   </div>
+  <div v-if="$slots.paginator" class="mt-6 flex flex-row justify-end">
+    <slot name="paginator" />
+  </div>
 </template>

src/components/NeTableBody.vue

@@ -1,5 +1,26 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<script lang="ts" setup>
+import { inject } from 'vue'
+import type { Breakpoint } from './NeTable.vue'
+
+// inject cardBreakpoint from NeTable.vue
+const cardBreakpoint = inject('cardBreakpoint', 'md')
+
+const tbodyCardStyle: Record<Breakpoint, string> = {
+  sm: 'sm:table-row-group',
+  md: 'md:table-row-group',
+  lg: 'lg:table-row-group',
+  xl: 'xl:table-row-group',
+  '2xl': '2xl:table-row-group'
+}
+</script>
 <template>
-  <tbody class="divide-y divide-gray-300 dark:divide-gray-600">
+  <tbody
+    :class="[`block divide-y divide-gray-300 dark:divide-gray-600`, tbodyCardStyle[cardBreakpoint]]"
+  >
     <slot />
   </tbody>
 </template>

src/components/NeTableCell.vue

@@ -1,5 +1,45 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<script lang="ts" setup>
+import { inject } from 'vue'
+import type { Breakpoint } from './NeTable.vue'
+
+defineProps({
+  dataLabel: {
+    // this attribute replaces table header in mobile viewport
+    type: String,
+    required: true
+  }
+})
+
+// inject cardBreakpoint from NeTable.vue
+const cardBreakpoint = inject('cardBreakpoint', 'md')
+
+const tdCardStyle: Record<Breakpoint, string> = {
+  sm: 'sm:table-cell',
+  md: 'md:table-cell',
+  lg: 'lg:table-cell',
+  xl: 'xl:table-cell',
+  '2xl': '2xl:table-cell'
+}
+
+const dataLabelCardStyle: Record<Breakpoint, string> = {
+  sm: 'sm:hidden',
+  md: 'md:hidden',
+  lg: 'lg:hidden',
+  xl: 'xl:hidden',
+  '2xl': '2xl:hidden'
+}
+</script>
 <template>
-  <td class="px-6 py-4">
+  <td :data-label="dataLabel" :class="[`grid grid-cols-2 px-6 py-4`, tdCardStyle[cardBreakpoint]]">
+    <span
+      :class="[`font-medium text-gray-900 dark:text-gray-50`, dataLabelCardStyle[cardBreakpoint]]"
+    >
+      {{ dataLabel }}
+    </span>
     <slot />
   </td>
 </template>

src/components/NeTableHead.vue

@@ -1,5 +1,29 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<script lang="ts" setup>
+import { inject } from 'vue'
+import type { Breakpoint } from './NeTable.vue'
+
+// inject cardBreakpoint from NeTable.vue
+const cardBreakpoint = inject('cardBreakpoint', 'md')
+
+const tbodyCardStyle: Record<Breakpoint, string> = {
+  sm: 'sm:table-header-group',
+  md: 'md:table-header-group',
+  lg: 'lg:table-header-group',
+  xl: 'xl:table-header-group',
+  '2xl': '2xl:table-header-group'
+}
+</script>
 <template>
-  <thead class="bg-gray-100 font-medium text-gray-900 dark:bg-gray-800 dark:text-gray-50">
+  <thead
+    :class="[
+      `hidden bg-gray-100 font-medium text-gray-900 dark:bg-gray-800 dark:text-gray-50`,
+      tbodyCardStyle[cardBreakpoint]
+    ]"
+  >
     <tr>
       <slot></slot>
     </tr>

src/components/NeTableHeadCell.vue

@@ -1,5 +1,9 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
 <template>
-  <th class="px-6 py-3">
+  <th scope="col" class="px-6 py-3">
     <slot></slot>
   </th>
 </template>

src/components/NeTableRow.vue

@@ -1,5 +1,24 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<script lang="ts" setup>
+import { inject } from 'vue'
+import type { Breakpoint } from './NeTable.vue'
+
+// inject cardBreakpoint from NeTable.vue
+const cardBreakpoint = inject('cardBreakpoint', 'md')
+
+const trCardStyle: Record<Breakpoint, string> = {
+  sm: 'sm:table-row',
+  md: 'md:table-row',
+  lg: 'lg:table-row',
+  xl: 'xl:table-row',
+  '2xl': '2xl:table-row'
+}
+</script>
 <template>
-  <tr>
+  <tr :class="[`grid`, trCardStyle[cardBreakpoint]]">
     <slot />
   </tr>
 </template>

src/components/NeTableSkeleton.vue

@@ -0,0 +1,44 @@
+<!--
+  Copyright (C) 2024 Nethesis S.r.l.
+  SPDX-License-Identifier: GPL-3.0-or-later
+-->
+<script lang="ts" setup>
+import { type PropType } from 'vue'
+import NeTableHead from './NeTableHead.vue'
+import NeTableHeadCell from './NeTableHeadCell.vue'
+import NeSkeleton from './NeSkeleton.vue'
+import NeTableBody from './NeTableBody.vue'
+import NeTableRow from './NeTableRow.vue'
+import NeTableCell from './NeTableCell.vue'
+
+export type Breakpoint = 'sm' | 'md' | 'lg' | 'xl' | '2xl'
+
+defineProps({
+  rows: {
+    type: Number,
+    required: true
+  },
+  columns: {
+    type: Number,
+    required: true
+  },
+  cardBreakpoint: {
+    type: String as PropType<Breakpoint>,
+    default: 'md'
+  }
+})
+</script>
+<template>
+  <NeTableHead :card-breakpoint="cardBreakpoint">
+    <NeTableHeadCell v-for="i in columns" :key="i">
+      <NeSkeleton size="lg" />
+    </NeTableHeadCell>
+  </NeTableHead>
+  <NeTableBody :card-breakpoint="cardBreakpoint">
+    <NeTableRow v-for="i in rows" :key="i" :card-breakpoint="cardBreakpoint">
+      <NeTableCell v-for="j in columns" :key="j" :card-breakpoint="cardBreakpoint" data-label="">
+        <NeSkeleton size="lg" />
+      </NeTableCell>
+    </NeTableRow>
+  </NeTableBody>
+</template>

stories/NeTable.stories.ts

@@ -12,6 +12,16 @@ const meta: Meta<typeof NeTable> = {
   title: 'Visual/NeTable',
   component: NeTable,
   tags: ['autodocs'],
+  argTypes: {
+    cardBreakpoint: { control: 'inline-radio', options: ['sm', 'md', 'lg', 'xl', '2xl'] }
+  },
+  args: {
+    ariaLabel: 'Aria label for the table',
+    cardBreakpoint: 'md',
+    loading: false,
+    skeletonRows: 8,
+    skeletonColumns: 4
+  },
   render: (args) => ({
     components: {
       NeTable,
@@ -25,54 +35,67 @@ const meta: Meta<typeof NeTable> = {
       return { args }
     },
     template: `
-      <NeTable>
-        <NeTableHead>
-          <NeTableHeadCell>Game</NeTableHeadCell>
-          <NeTableHeadCell>Platform</NeTableHeadCell>
-          <NeTableHeadCell>Year</NeTableHeadCell>
-        </NeTableHead>
-        <NeTableBody>
-          <NeTableRow>
-            <NeTableCell>The Legend of Zelda: Breath of the Wild</NeTableCell>
-            <NeTableCell>Nintendo Switch</NeTableCell>
-            <NeTableCell>2017</NeTableCell>
-          </NeTableRow>
-          <NeTableRow>
-            <NeTableCell>Super Mario Odyssey</NeTableCell>
-            <NeTableCell>Nintendo Switch</NeTableCell>
-            <NeTableCell>2017</NeTableCell>
-          </NeTableRow>
-          <NeTableRow>
-            <NeTableCell>The Legend of Zelda: Ocarina of Time</NeTableCell>
-            <NeTableCell>Nintendo 64</NeTableCell>
-            <NeTableCell>1998</NeTableCell>
-          </NeTableRow>
-          <NeTableRow>
-            <NeTableCell>Super Mario 64</NeTableCell>
-            <NeTableCell>Nintendo 64</NeTableCell>
-            <NeTableCell>1996</NeTableCell>
-          </NeTableRow>
-          <NeTableRow>
-            <NeTableCell>The Legend of Zelda: A Link to the Past</NeTableCell>
-            <NeTableCell>Super Nintendo</NeTableCell>
-            <NeTableCell>1991</NeTableCell>
-          </NeTableRow>
-          <NeTableRow>
-            <NeTableCell>Super Mario World</NeTableCell>
-            <NeTableCell>Super Nintendo</NeTableCell>
-            <NeTableCell>1990</NeTableCell>
-          </NeTableRow>
-          <NeTableRow>
-            <NeTableCell>The Legend of Zelda</NeTableCell>
-            <NeTableCell>Nintendo Entertainment System</NeTableCell>
-            <NeTableCell>1986</NeTableCell>
-          </NeTableRow>
-        </NeTableBody>
-      </NeTable>
-    `
+  <NeTable v-bind="args">
+    <NeTableHead>
+      <NeTableHeadCell>Game</NeTableHeadCell>
+      <NeTableHeadCell>Platform</NeTableHeadCell>
+      <NeTableHeadCell>Year</NeTableHeadCell>
+    </NeTableHead>
+    <NeTableBody>
+      <NeTableRow>
+        <NeTableCell data-label="Game">The Legend of Zelda: Breath of the Wild</NeTableCell>
+        <NeTableCell data-label="Platform">Nintendo Switch</NeTableCell>
+        <NeTableCell data-label="Year">2017</NeTableCell>
+      </NeTableRow>
+      <NeTableRow>
+        <NeTableCell data-label="Game">Super Mario Odyssey</NeTableCell>
+        <NeTableCell data-label="Platform">Nintendo Switch</NeTableCell>
+        <NeTableCell data-label="Year">2017</NeTableCell>
+      </NeTableRow>
+      <NeTableRow>
+        <NeTableCell data-label="Game">The Legend of Zelda: Ocarina of Time</NeTableCell>
+        <NeTableCell data-label="Platform">Nintendo 64</NeTableCell>
+        <NeTableCell data-label="Year">1998</NeTableCell>
+      </NeTableRow>
+      <NeTableRow>
+        <NeTableCell data-label="Game">Super Mario 64</NeTableCell>
+        <NeTableCell data-label="Platform">Nintendo 64</NeTableCell>
+        <NeTableCell data-label="Year">1996</NeTableCell>
+      </NeTableRow>
+      <NeTableRow>
+        <NeTableCell data-label="Game">The Legend of Zelda: A Link to the Past</NeTableCell>
+        <NeTableCell data-label="Platform">Super Nintendo</NeTableCell>
+        <NeTableCell data-label="Year">1991</NeTableCell>
+      </NeTableRow>
+      <NeTableRow>
+        <NeTableCell data-label="Game">Super Mario World</NeTableCell>
+        <NeTableCell data-label="Platform">Super Nintendo</NeTableCell>
+        <NeTableCell data-label="Year">1990</NeTableCell>
+      </NeTableRow>
+      <NeTableRow>
+        <NeTableCell data-label="Game">The Legend of Zelda</NeTableCell>
+        <NeTableCell data-label="Platform">Nintendo Entertainment System</NeTableCell>
+        <NeTableCell data-label="Year">1986</NeTableCell>
+      </NeTableRow>
+    </NeTableBody>
+  </NeTable>`
   })
 }
 
 export default meta
 
-export const Default: StoryObj<typeof NeTable> = {}
+export const Default: StoryObj<typeof NeTable> = {
+  args: {}
+}
+
+export const Loading: StoryObj<typeof NeTable> = {
+  args: {
+    loading: true
+  }
+}
+
+export const CardBreakpointXL: StoryObj<typeof NeTable> = {
+  args: {
+    cardBreakpoint: 'xl'
+  }
+}