From bc321640f0c640769dace87694e5eead11f7dc57 Mon Sep 17 00:00:00 2001
From: Marco Schumacher <marco@schumacher.dev>
Date: Tue, 21 Sep 2021 15:52:06 +0200
Subject: [PATCH] fix: Don't crash if no "other" case is provided.

---
 src/translate.ts        | 4 +++-
 test/translator.test.ts | 7 +++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/translate.ts b/src/translate.ts
index 19da2a1..93615cd 100644
--- a/src/translate.ts
+++ b/src/translate.ts
@@ -1,3 +1,4 @@
+import { parse } from '@formatjs/icu-messageformat-parser';
 import { IntlMessageFormat } from 'intl-messageformat';
 import { mapPotentialArray } from './mapPotentialArray';
 import { FlatDict } from './types';
@@ -53,7 +54,8 @@ export function translate<F = never>({
 
 export function format(template: string, values?: Record<string, unknown>, locale?: string): string {
   try {
-    const f = new IntlMessageFormat(template, locale);
+    const ast = parse(template, { requiresOtherClause: false });
+    const f = new IntlMessageFormat(ast, locale);
     const msg = f.format(values);
     if (msg instanceof Array) return msg.join(' ');
     return String(msg);
diff --git a/test/translator.test.ts b/test/translator.test.ts
index cd2408b..810063f 100644
--- a/test/translator.test.ts
+++ b/test/translator.test.ts
@@ -78,3 +78,10 @@ test('locale', async (t) => {
   t.is(en.locale, 'en');
   t.is(de.locale, 'de');
 });
+
+test('plural without other', async (t) => {
+  const ru = await getTranslator('ru');
+  t.is(ru.format('{x, plural, one {# one} few {# few} many {# many}}', { x: 1 }), '1 one');
+  t.is(ru.format('{x, plural, one {# one} few {# few} many {# many}}', { x: 2 }), '2 few');
+  t.is(ru.format('{x, plural, one {# one} few {# few} many {# many}}', { x: 5 }), '5 many');
+});