Fixed "Float cannot represent non numeric value: NaN" when visiting a…

… new installation of Ackee

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [3.1.1] - 2021-06-27
+
+### Fixed
+
+- "Float cannot represent non numeric value: NaN" when visiting a new installation of Ackee
+
 ## [3.1.0] - 2021-06-27
 
 > ⚠️ Contains breaking changes in the GraphQL API

src/resolvers/facts.js

@@ -22,6 +22,8 @@ module.exports = {
 			const totalCountPrevious = entries.slice(8, 15).reduce((acc, entry) => acc + entry.count, 0)
 			const totalDifference = totalCountCurrent - totalCountPrevious
 
+			if (totalCountPrevious === 0) return
+
 			return Math.min(Math.max(Math.round(totalDifference / totalCountPrevious * 100), -100), 100)
 		}),
 	},
@@ -36,6 +38,8 @@ module.exports = {
 			const totalCountPrevious = entries.slice(8, 15).reduce((acc, entry) => acc + entry.count, 0)
 			const totalDifference = totalCountCurrent - totalCountPrevious
 
+			if (totalCountPrevious === 0) return
+
 			return Math.min(Math.max(Math.round(totalDifference / totalCountPrevious * 100), -100), 100)
 		}),
 	},