implemented save on empty tag commit

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

frontend/src/routes/accounting/add_entry.svelte

@@ -42,6 +42,7 @@
 	}
 
 	async function getAccountTags(text){
+		if (!text) return [];
 		var url = api(`accounting/${entry.account.id}/tags`)
 		return await getTerminal(text,url);
 	}
@@ -141,7 +142,7 @@
 	<Autocomplete bind:candidate={entry.purpose} getCandidates={getPurposes} />
 
 	<span>{t('tags')}</span>
-	<Tags getCandidates={getAccountTags} module={null} bind:tags={entry.tags} />
+	<Tags getCandidates={getAccountTags} module={null} bind:tags={entry.tags} onEmptyCommit={save} />
 
 	<span></span>
 	<span>

frontend/src/routes/accounting/transaction.svelte

@@ -21,16 +21,17 @@
 	}
 
 	async function getCandidates(key){
+		if (!key) return;
 		var url = api(`accounting/${account.id}/tags`)
 		var res = await post(url,key);
-        if (res.ok){
-            yikes();
-            const input = await res.json();
-            return Object.values(input).map(mapDisplay);
-        } else {
-            error(res);
-            return {};
-        }
+		if (res.ok){
+		    yikes();
+		    const input = await res.json();
+		    return Object.values(input).map(mapDisplay);
+		} else {
+		    error(res);
+		    return {};
+		}
 	}
 
 	function mapDisplay(object){
@@ -127,4 +128,4 @@
 	    </span>
 	</td>
 </tr>
-{/if}
+{/if}