From 8628e1d0dc20676b7130d953146ba5f7e9cbf1f7 Mon Sep 17 00:00:00 2001
From: Swoorup Joshi <swooruptrader@gmail.com>
Date: Mon, 16 Jan 2023 22:12:40 +1100
Subject: [PATCH] Skip calcPrecision for empty data

---
 src/core/gridScale.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/gridScale.js b/src/core/gridScale.js
index e0e1aa9..686f447 100644
--- a/src/core/gridScale.js
+++ b/src/core/gridScale.js
@@ -145,6 +145,10 @@ export default function Scale(id, src, specs) {
         for (var i = 0; i < SAMPLE; i++) {
             // Random element n
             let n = Math.floor(Math.random() * ov.dataSubset.length)
+
+            if (ov.dataSubset.length === 0)
+              continue;
+
             let x = f(ov.dataSubset[n])
             if (typeof x === 'number') sample.push(x)
             else sample = sample.concat(x)