From a46c83487430f315855d1abcd2d4f8f7b5b18c0a Mon Sep 17 00:00:00 2001
From: orangemug <info@orangemug.co.uk>
Date: Mon, 29 Jun 2020 16:12:36 +0100
Subject: [PATCH] Fixed data functions.

---
 src/components/FieldFunction.jsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/FieldFunction.jsx b/src/components/FieldFunction.jsx
index 35a1775..0174f93 100644
--- a/src/components/FieldFunction.jsx
+++ b/src/components/FieldFunction.jsx
@@ -278,8 +278,8 @@ export default class FieldFunction  extends React.Component {
     this.props.onChange(this.props.fieldName, expression);
   }
 
-  makeDataFunction = (functionType) => {
-    functionType = functionType || this.getFieldFunctionType(this.props.fieldSpec);
+  makeDataFunction = () => {
+    const functionType = this.getFieldFunctionType(this.props.fieldSpec);
     const stopValue = functionType === 'categorical' ? '' : 0;
     const {value} = this.props;
     let dataFunc;