From 9cf6128b58feb5bb930405a3c8705e01d207d787 Mon Sep 17 00:00:00 2001
From: james hadfield <hadfield.james@gmail.com>
Date: Wed, 12 Jun 2024 21:34:50 +1200
Subject: [PATCH] minor - strand enum

---
 src/util/entropyCreateStateFromJsons.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/util/entropyCreateStateFromJsons.ts b/src/util/entropyCreateStateFromJsons.ts
index bd042373e..628f5f34d 100644
--- a/src/util/entropyCreateStateFromJsons.ts
+++ b/src/util/entropyCreateStateFromJsons.ts
@@ -2,8 +2,7 @@ import { genotypeColors } from "./globals";
 import { defaultEntropyState } from "../reducers/entropy";
 
 type JsonAnnotations = Record<string, JsonAnnotation>
-// enum Strand {'+', '-'} // other GFF-valid options are '.' and '?'
-type Strand = string;
+type Strand = "+" | "-"; // note that other GFF-valid options are '.' and '?' but not used in Auspice datasets
 type JsonSegmentRange = {start: number, end: number}; // Start is 1-based, End is 1-based closed (GFF)
 interface JsonAnnotation {
   /* Other properties are commonly set in the JSON structure, but the following are