Don't save empty field references. Closes #126.

jesseleite · jesseleite · commit b4c4fb7df792 · 2020-09-09T15:01:56.000-04:00
diff --git a/src/Fieldtypes/SourceFieldtype.php b/src/Fieldtypes/SourceFieldtype.php
@@ -42,7 +42,7 @@ public function preProcess($data)
     public function process($data)
     {
         if ($data['source'] === 'field') {
-            return '@seo:'.$data['value'];
+            return $data['value'] ? '@seo:'.$data['value'] : null;
         }
 
         if ($data['source'] === 'inherit') {

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,7 @@ public function preProcess($data)`
`42`	`42`	`public function process($data)`
`43`	`43`	`{`
`44`	`44`	`if ($data['source'] === 'field') {`
`45`		`- return '@seo:'.$data['value'];`
	`45`	`+ return $data['value'] ? '@seo:'.$data['value'] : null;`
`46`	`46`	`}`
`47`	`47`
`48`	`48`	`if ($data['source'] === 'inherit') {`