From f2cce2458755bc42d9758bb6d64cb958f8209e79 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Kol=C3=A1=C5=99?= <michal.kolar@designeo.cz>
Date: Wed, 26 Apr 2023 11:16:35 +0200
Subject: [PATCH] eval node - fix interpolation

---
 src/nodes/Eval.ts | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/nodes/Eval.ts b/src/nodes/Eval.ts
index 97cfd24..29aecc6 100644
--- a/src/nodes/Eval.ts
+++ b/src/nodes/Eval.ts
@@ -56,13 +56,9 @@ export default class NumberBinaryOperation extends Node<typeof inputs, typeof ou
     }
 
     interpolate() {
-        return this.in.formula.value.replace(/\{(\w+)\}/g, (_, paramName) => {
-            const value = get(this.in, [paramName, 'value']);
-            if (value) {
-                return value;
-            }
-            return '';
-        })
+        return this.in.formula.value.replace(/\{(\w+)\}/g, (_, paramName) =>
+            get(this.in, [paramName, 'value'], 0)
+        )
     }
 
     evaluate() {