From ecb5c33069bb41d7fce48335f7ee24f22a87348c Mon Sep 17 00:00:00 2001
From: Chris Wilkinson <chris@prereview.org>
Date: Tue, 7 Jan 2025 14:43:05 +0000
Subject: [PATCH] Recognise the use of a hyphen rather than a comma

---
 src/lib/Iso3166.ts   | 1 +
 test/Iso3166.test.ts | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/lib/Iso3166.ts b/src/lib/Iso3166.ts
index 5584f93..bf3a06b 100644
--- a/src/lib/Iso3166.ts
+++ b/src/lib/Iso3166.ts
@@ -22,6 +22,7 @@ export const guessCountry: (location: string) => Option.Option<Alpha2Code> = flo
   String.replaceAll(/\((.+?)\)/g, ', $1'),
   String.replaceAll(/ [0-9]+/g, ' '),
   String.replaceAll(/( and | - )/gi, ', '),
+  String.replaceAll(/([a-z]+)[-–]([a-z]+)/gi, '$1, $2, $&'),
   String.replaceAll(/(^| )(the|near|greater) /gi, ''),
   location => Array.prepend(Array.map(location.split(',').reverse(), String.trim), location),
   Array.findFirst(location =>
diff --git a/test/Iso3166.test.ts b/test/Iso3166.test.ts
index 5dbd320..005461f 100644
--- a/test/Iso3166.test.ts
+++ b/test/Iso3166.test.ts
@@ -14,6 +14,7 @@ describe('guessCountry', () => {
     ['Colorado - United States', 'US'],
     ['Czech Republic', 'CZ'],
     ['Czechia', 'CZ'],
+    ['Dallas-Fort Worth', 'US'],
     ['Düsseldorf', 'DE'],
     ['Fayetteville GA (near Atlanta)', 'US'],
     ['GHANA', 'GH'],
@@ -23,6 +24,7 @@ describe('guessCountry', () => {
     ['London, Ontario', 'CA'],
     ['London, UK', 'GB'],
     ['London, United Kingdom', 'GB'],
+    ['Nairobi-Kenya', 'KE'],
     ['New York City and Los Angeles', 'US'],
     ['Norwich', 'GB'],
     ['Québec', 'CA'],