added some tests for undefined or null keys

adrai · adrai · commit dfff2cd73c7f · 2024-12-20T06:25:56.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 24.2.0
+
+- feat(typescript): Add strictKeyChecks option to enforce checking key existence when defaultValue is used [2274](https://github.com/i18next/i18next/pull/2274), fixes [2043](https://github.com/i18next/i18next/issues/2043)
+
 ## 24.1.2
 
 - optimize fix: Bug Report: Unsafe Behavior in i18n.t Function Leading to Potential Code Execution [2273](https://github.com/i18next/i18next/issues/2273)
diff --git a/test/runtime/i18next.translation.t.test.js b/test/runtime/i18next.translation.t.test.js
@@ -36,4 +36,10 @@ describe('i18next t default returns', () => {
     expect(i18n.t('__lookupSetter__')).to.equal('__lookupSetter__');
     expect(i18n.t('__proto__')).to.equal('__proto__');
   });
+
+  it('it should not crash for undefined or null keys', () => {
+    expect(i18n.t(null)).to.equal('');
+    expect(i18n.t(undefined)).to.equal('');
+    expect(i18n.t()).to.equal('');
+  });
 });
diff --git a/test/runtime/translator/translator.exists.test.js b/test/runtime/translator/translator.exists.test.js
@@ -72,5 +72,11 @@ describe('Translator', () => {
         expect(t.exists(nullishArg)).toBeFalsy();
       });
     });
+
+    it('it should not crash for undefined or null keys', () => {
+      expect(t.exists(null)).to.equal(false);
+      expect(t.exists(undefined)).to.equal(false);
+      expect(t.exists()).to.equal(false);
+    });
   });
 });
