Show example of function message (#1674)

jquense · May 29, 2022 · fd8d602 · fd8d602
1 parent 7641935
commit fd8d602
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -1087,11 +1087,13 @@ let jimmySchema = string().test(
 );
 
 // or make it async by returning a promise
-let asyncJimmySchema = string().test(
- 'is-jimmy',
- '${path} is not Jimmy',
- async (value, testContext) => (await fetch('/is-jimmy/' + value)).responseText === 'true',
-});
+let asyncJimmySchema = string()
+ .label('First name')
+ .test(
+ 'is-jimmy',
+ ({ label }) => `${label} is not Jimmy`, // a message can also be a function
+ async (value, testContext) => (await fetch('/is-jimmy/' + value)).responseText === 'true',
+ });
 
 await schema.isValid('jimmy'); // => true
 await schema.isValid('john'); // => false