diff --git a/frontend/src/components/grid-items.svelte b/frontend/src/components/grid-items.svelte
new file mode 100644
index 0000000..50656c9
--- /dev/null
+++ b/frontend/src/components/grid-items.svelte
@@ -0,0 +1,168 @@
+<script>
+  import { contextMenu } from '../stores';
+  import { createEventDispatcher } from 'svelte';
+  import Icon from './icon.svelte';
+
+  export let items = [];
+  export let columns = [];
+  export let key = '';
+  export let activeKey = '';
+  export let activeChildKey = '';
+  export let level = 0;
+
+  const dispatch = createEventDispatcher();
+  let childrenOpen = {};
+
+  $: _items = objectToArray(items).map(item => {
+    item.children = objectToArray(item.children);
+    return item;
+  });
+
+  function objectToArray(obj) {
+    if (Array.isArray(obj)) {
+      return obj;
+    }
+    else if (typeof obj === 'object') {
+      return Object.entries(obj).map(([ k, item ]) => ({ ...item, [key]: k }));
+    }
+    else {
+      return obj;
+    }
+  }
+
+  function select(itemKey) {
+    activeKey = itemKey;
+    activeChildKey = '';
+    dispatch('select', itemKey);
+  }
+
+  function closeAll() {
+    childrenOpen = {};
+    dispatch('closeAll');
+  }
+
+  function selectChild(itemKey, childKey) {
+    select(itemKey);
+    activeChildKey = childKey;
+    dispatch('selectChild', childKey);
+  }
+
+  function toggleChildren(itemKey, shift) {
+    childrenOpen[itemKey] = !childrenOpen[itemKey];
+    if (shift) {
+      closeAll();
+    }
+  }
+
+  function doubleClick(itemKey) {
+    toggleChildren(itemKey, false);
+    dispatch('trigger', itemKey);
+  }
+
+  function showContextMenu(evt, item) {
+    select(item[key]);
+    contextMenu.show(evt, item.menu);
+  }
+
+  function formatValue(value) {
+    if (Array.isArray(value)) {
+      return '[...]';
+    }
+    if (typeof value === 'object') {
+      return '{...}';
+    }
+    if (value === undefined || value === null) {
+      return '';
+    }
+    if (typeof value === 'number' || typeof value === 'boolean') {
+      return String(value);
+    }
+    if (String(value).length <= 1000) {
+      return value;
+    }
+    return String(value).slice(0, 1000) + '…';
+  }
+</script>
+
+{#each _items as item (item[key])}
+  <tr
+    on:click={() => select(item[key])}
+    on:dblclick={() => doubleClick(item[key])}
+    on:contextmenu|preventDefault={evt => showContextMenu(evt, item)}
+    class:selected={activeKey === item[key] && !activeChildKey}
+  >
+    <td class="has-toggle">
+      {#if item.children?.length}
+        <button
+          class="toggle"
+          on:click={evt => toggleChildren(item[key], evt.shiftKey)}
+          style:transform="translateX({level * 10}px)"
+        >
+          <Icon name={childrenOpen[item[key]] ? 'chev-d' : 'chev-r'} />
+        </button>
+      {/if}
+    </td>
+
+    {#each columns as column, columnIndex}
+      {@const value = item[column.key]}
+      <td class:right={column.right} title={value}>
+        <div class="value" style:margin-left="{level * 10}px">
+          {formatValue(value)}
+        </div>
+      </td>
+    {/each}
+  </tr>
+
+  {#if item.children && childrenOpen[item[key]]}
+    <svelte:self
+      {columns}
+      {key}
+      bind:activeKey={activeChildKey}
+      showHeaders={false}
+      items={item.children}
+      level={level + 1}
+      on:select={e => selectChild(item[key], e.detail)}
+      on:closeAll={closeAll}
+    />
+  {/if}
+{/each}
+
+<style>
+  td {
+    padding: 0.3rem;
+    text-overflow: ellipsis;
+    cursor: pointer;
+  }
+  td.has-toggle {
+    width: calc(20px + 0.3rem);
+  }
+
+  td .value {
+    height: 2.1ex;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    max-width: 25em;
+  }
+
+  tbody tr.selected td {
+    background-color: #00008b;
+    color: #fff;
+  }
+
+  button.toggle {
+    color: inherit;
+    padding: 0;
+    margin: 0;
+    vertical-align: top;
+  }
+  button.toggle :global(svg) {
+    width: 15px;
+    height: 15px;
+    vertical-align: top;
+  }
+
+  .right {
+    text-align: right;
+  }
+</style>
diff --git a/frontend/src/components/grid.svelte b/frontend/src/components/grid.svelte
index f747d97..b68d00c 100644
--- a/frontend/src/components/grid.svelte
+++ b/frontend/src/components/grid.svelte
@@ -1,6 +1,5 @@
 <script>
-  import { contextMenu } from '../stores';
-  import { createEventDispatcher } from 'svelte';
+  import GridItems from './grid-items.svelte';
   import Icon from './icon.svelte';
 
   export let columns = [];
@@ -11,79 +10,6 @@
   export let activeChildKey = '';
   export let showHeaders = true;
   export let level = 0;
-
-  const dispatch = createEventDispatcher();
-  let childrenOpen = {};
-
-  $: _items = objectToArray(items).map(item => {
-    item.children = objectToArray(item.children);
-    return item;
-  });
-
-  function objectToArray(obj) {
-    if (Array.isArray(obj)) {
-      return obj;
-    }
-    else if (typeof obj === 'object') {
-      return Object.entries(obj).map(([ k, item ]) => ({ ...item, [key]: k }));
-    }
-    else {
-      return obj;
-    }
-  }
-
-  function select(itemKey) {
-    activeKey = itemKey;
-    activeChildKey = '';
-    dispatch('select', itemKey);
-  }
-
-  function selectChild(itemKey, childKey) {
-    select(itemKey);
-    activeChildKey = childKey;
-    dispatch('selectChild', childKey);
-  }
-
-  function toggleChildren(itemKey, shift) {
-    childrenOpen[itemKey] = !childrenOpen[itemKey];
-    if (shift) {
-      closeAll();
-    }
-  }
-
-  function doubleClick(itemKey) {
-    toggleChildren(itemKey, false);
-    dispatch('trigger', itemKey);
-  }
-
-  function showContextMenu(evt, item) {
-    select(item[key]);
-    contextMenu.show(evt, item.menu);
-  }
-
-  function formatValue(value) {
-    if (Array.isArray(value)) {
-      return '[...]';
-    }
-    if (typeof value === 'object') {
-      return '{...}';
-    }
-    if (value === undefined || value === null) {
-      return '';
-    }
-    if (typeof value === 'number' || typeof value === 'boolean') {
-      return String(value);
-    }
-    if (String(value).length <= 1000) {
-      return value;
-    }
-    return String(value).slice(0, 1000) + '…';
-  }
-
-  function closeAll() {
-    childrenOpen = {};
-    dispatch('closeAll');
-  }
 </script>
 
 <div class:grid={level === 0} class:subgrid={level > 0}>
@@ -99,13 +25,6 @@
   {/if}
 
   <table>
-    <colgroup>
-      <col style:width="calc(15px + 0.6rem)" />
-      {#each columns as column}
-        <col />
-      {/each}
-    </colgroup>
-
     {#if showHeaders && columns.some(col => col.title)}
       <thead>
         <tr>
@@ -118,47 +37,7 @@
     {/if}
 
     <tbody>
-      {#each _items as item (item[key])}
-        <tr
-          on:click={() => select(item[key])}
-          on:dblclick={() => doubleClick(item[key])}
-          on:contextmenu|preventDefault={evt => showContextMenu(evt, item)}
-          class:selected={activeKey === item[key] && !activeChildKey}
-        >
-          <td class="has-toggle">
-            {#if item.children?.length}
-              <button class="toggle" on:click={evt => toggleChildren(item[key], evt.shiftKey)}>
-                <Icon name={childrenOpen[item[key]] ? 'chev-d' : 'chev-r'} />
-              </button>
-            {/if}
-          </td>
-
-          {#each columns as column}
-            {@const value = item[column.key]}
-            <td class:right={column.right} title={value}>
-              <div class="value">{formatValue(value)}</div>
-            </td>
-          {/each}
-        </tr>
-
-        {#if item.children && childrenOpen[item[key]]}
-          <tr>
-            <td></td>
-            <td colspan={columns.length + 1} class="subgrid-parent">
-              <svelte:self
-                {columns}
-                {key}
-                bind:activeKey={activeChildKey}
-                showHeaders={false}
-                items={item.children}
-                level={level + 1}
-                on:select={e => selectChild(item[key], e.detail)}
-                on:closeAll={closeAll}
-              />
-            </td>
-          </tr>
-        {/if}
-      {/each}
+      <GridItems {items} {columns} {key} bind:activeKey bind:activeChildKey on:select on:selectChild on:trigger />
     </tbody>
   </table>
 </div>
@@ -201,43 +80,8 @@
     cursor: pointer;
   }
 
-  td, th {
+  th {
     padding: 0.3rem;
     text-overflow: ellipsis;
   }
-  td.has-toggle {
-    width: calc(20px + 0.3rem);
-  }
-  td.subgrid-parent {
-    padding: 0;
-  }
-
-  td .value {
-    height: 2.1ex;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    max-width: 25em;
-  }
-
-  tbody tr.selected td {
-    background-color: #00008b;
-    color: #fff;
-  }
-
-  button.toggle {
-    color: inherit;
-    padding: 0;
-    margin: 0;
-    display: contents;
-  }
-  button.toggle :global(svg) {
-    width: 15px;
-    height: 15px;
-    vertical-align: top;
-  }
-
-  .right {
-    text-align: right;
-  }
 </style>