Extract completion function

packages/builder/src/components/common/CodeEditor/CodeEditor.svelte

@@ -244,6 +244,36 @@
     ]
   }
 
+  function handleCompletions(
+    view: EditorView,
+    from: number,
+    to: number,
+    insert: string
+  ) {
+    if (jsBindingWrapping && insert === "$") {
+      let { text } = view.state.doc.lineAt(from)
+
+      const left = from ? text.substring(0, from) : ""
+      const right = to ? text.substring(to) : ""
+      const wrap = !left.includes('$("') || !right.includes('")')
+      const tr = view.state.update(
+        {
+          changes: [{ from, insert: wrap ? '$("")' : "$" }],
+          selection: {
+            anchor: from + (wrap ? 3 : 1),
+          },
+        },
+        {
+          scrollIntoView: true,
+          userEvent: "input.type",
+        }
+      )
+      view.dispatch(tr)
+      return true
+    }
+    return false
+  }
+
   // None of this is reactive, but it never has been, so we just assume most
   // config flags aren't changed at runtime
   // TODO: work out type for base
@@ -262,32 +292,7 @@
               : "autocomplete-option",
         })
       )
-      complete.push(
-        EditorView.inputHandler.of((view, from, to, insert) => {
-          if (jsBindingWrapping && insert === "$") {
-            let { text } = view.state.doc.lineAt(from)
-
-            const left = from ? text.substring(0, from) : ""
-            const right = to ? text.substring(to) : ""
-            const wrap = !left.includes('$("') || !right.includes('")')
-            const tr = view.state.update(
-              {
-                changes: [{ from, insert: wrap ? '$("")' : "$" }],
-                selection: {
-                  anchor: from + (wrap ? 3 : 1),
-                },
-              },
-              {
-                scrollIntoView: true,
-                userEvent: "input.type",
-              }
-            )
-            view.dispatch(tr)
-            return true
-          }
-          return false
-        })
-      )
+      complete.push(EditorView.inputHandler.of(handleCompletions))
     }
 
     // JS only plugins