fix: #7974 (#7976)

public/src/modules/translator.js

@@ -541,7 +541,10 @@
 			}
 
 			if (!(typeof text === 'string' || text instanceof String) || text === '') {
-				return cb('');
+				if (cb) {
+					return setTimeout(cb, 0, '');
+				}
+				return '';
 			}
 
 			return Translator.create(lang).translate(text).then(function (output) {

test/translator.js

@@ -21,6 +21,18 @@ describe('Translator shim', function () {
 				done();
 			});
 		});
+
+		it('should translate empty string properly', function (done) {
+			shim.translate('', 'en-GB', function (translated) {
+				assert.strictEqual(translated, '');
+				done();
+			});
+		});
+
+		it('should translate empty string properly', async function () {
+			const translated = await shim.translate('', 'en-GB');
+			assert.strictEqual(translated, '');
+		});
 	});
 });