preparing to update item base data

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/stock/ItemProps.svelte

@@ -1,4 +1,5 @@
 <script>
+    import LineEditor       from '../../Components/LineEditor.svelte';
     import { onMount }      from 'svelte';
     import { api }          from '../../urls.svelte';
     import { error, yikes } from '../../warn.svelte';
@@ -40,10 +41,25 @@
             yikes();
         } else error(res);
     }
+
+    async function updateTitle(newVal){
+        const url = api('stock');
+        const data = {
+            id    : item.id,
+            owner : item.owner,
+            title : newVal
+        }
+        const res = await fetch(url,{
+            credentials:'include',
+            method:'PATCH',
+            body:JSON.stringify(data)
+        });
+        return false;
+    }
 </script>
 
 {#if item}
-<h3>{item.name}</h3>
+<LineEditor type="h3" editable={true} value={item.name} onSet={updateTitle}/>
 
 <table>
     <tbody>