From 4e2b67f4e694d0248f8ff2db088856b05dea5fd7 Mon Sep 17 00:00:00 2001
From: Joe Mooring <joe.mooring@veriphor.com>
Date: Sat, 29 Jan 2022 21:41:28 -0800
Subject: Allow hyphens in locale name

Fixes gohugoio/hugo#9446
---
 locales.go      | 2 +-
 locales_test.go | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/locales.go b/locales.go
index c43f1be..b14a70f 100644
--- a/locales.go
+++ b/locales.go
@@ -20,7 +20,7 @@ var (
 
 // GetTranslator gets the Translator for the given locale, nil if not found.
 func GetTranslator(locale string) locales.Translator {
-	locale = strings.ToLower(locale)
+	locale = strings.ToLower(strings.ReplaceAll(locale, "-", "_"))
 
 	mu.RLock()
 	t, found := translators[locale]
diff --git a/locales_test.go b/locales_test.go
index 44a029f..5f20082 100644
--- a/locales_test.go
+++ b/locales_test.go
@@ -52,6 +52,12 @@ func TestGetTranslator(t *testing.T) {
 		c.Assert(tnn.MonthWide(d.Month()), qt.Equals, "januar")
 	})
 
+	c.Run("BasicWithHyphenatedKey", func(c *qt.C) {
+		tnn := GetTranslator("nn-NO")
+		c.Assert(tnn, qt.Not(qt.IsNil))
+		c.Assert(tnn.MonthWide(d.Month()), qt.Equals, "januar")
+	})
+
 	// Sample tests; verify that the compression script works correctly.
 	c.Run("Sample", func(c *qt.C) {
 		assertSame(c, GetTranslator("en"), en.New())
-- 
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