From 3ab85adc134a2b8015f76464867ba2eff148b221 Mon Sep 17 00:00:00 2001
From: David Harsha <davishmcclurg@gmail.com>
Date: Sat, 14 Oct 2023 13:23:30 -0700
Subject: [PATCH] Document custom formats

This behavior has been around but undocumented for a while. I'm adding
this now because it's similar to custom content encodings and media
types.

Related: https://github.com/davishmcclurg/json_schemer/issues/137
---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 2233a21..c2729d4 100644
--- a/README.md
+++ b/README.md
@@ -180,6 +180,15 @@ JSONSchemer.schema(
   # default: true
   format: true,
 
+  # custom formats
+  formats: {
+    'int32' => proc do |instance, _format|
+      instance.is_a?(Integer) && instance.bit_length <= 32
+    end,
+    # disable specific format
+    'email' => false
+  },
+
   # custom content encodings
   # only `base64` is available by default
   content_encodings: {