Much better support for frontend field validation

src/lib/i18n/kcMessages/login.ts

@@ -1,7 +1,27 @@
-import { kcMessages } from "../generated_kcMessages/15.0.2/login";
+import { kcMessages as kcMessagesBase } from "../generated_kcMessages/15.0.2/login";
 import { Evt } from "evt";
 import { objectKeys } from "tsafe/objectKeys";
 
+const kcMessages = {
+    ...kcMessagesBase,
+    "en": {
+        ...kcMessagesBase["en"],
+        "shouldBeEqual": "{0} should be equal to {1}",
+        "shouldBeDifferent": "{0} should be different to {1}",
+        "shouldMatchPattern": "Pattern should match: `/{0}/`",
+        "mustBeAnInteger": "Must be an integer",
+    },
+    "fr": {
+        ...kcMessagesBase["fr"],
+        /* spell-checker: disable */
+        "shouldBeEqual": "{0} doit être egale à {1}",
+        "shouldBeDifferent": "{0} doit être différent de {1}",
+        "shouldMatchPattern": "Dois respecter le schéma: `/{0}/`",
+        "mustBeAnInteger": "Doit être un nombre entiers",
+        /* spell-checker: enable */
+    },
+};
+
 export const evtTermsUpdated = Evt.asNonPostable(Evt.create<void>());
 
 (["termsText", "doAccept", "doDecline", "termsTitle"] as const).forEach(key =>