fix: include all formats by default

package.json

@@ -46,6 +46,7 @@
   },
   "dependencies": {
     "ajv": "^7.0.2",
+    "ajv-formats": "^1.5.1",
     "ajv-keywords": "^4.0.0",
     "callsite": "^1.0.0",
     "common-errors": "^1.2.0",

src/index.ts

@@ -1,6 +1,7 @@
 import { URL } from 'url'
 import Ajv, { ValidateFunction, Options } from 'ajv'
-import keywords from 'ajv-keywords'
+import addKeywords from 'ajv-keywords'
+import addFormats from 'ajv-formats'
 import callsite = require('callsite')
 import { InvalidOperationError, io, NotFoundError } from 'common-errors'
 import _debug = require('debug')
@@ -89,8 +90,11 @@ export class Validator {
       }
     })
 
+    addKeywords(ajvInstance)
+    addFormats(ajvInstance)
+
     // save instance
-    this.$ajv = keywords(ajvInstance)
+    this.$ajv = ajvInstance
 
     // automatically init if we have schema dir
     if (schemaDir) {

yarn.lock

@@ -1296,6 +1296,13 @@ aggregate-error@^3.0.0:
     clean-stack "^2.0.0"
     indent-string "^4.0.0"
 
+ajv-formats@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/ajv-formats/-/ajv-formats-1.5.1.tgz#0f301b1b3846182f224cc563fc0a032daafb7dab"
+  integrity sha512-s1RBVF4HZd2UjGkb6t6uWoXjf6o7j7dXPQIL7vprcIT/67bTD6+5ocsU0UKShS2qWxueGDWuGfKHfOxHWrlTQg==
+  dependencies:
+    ajv "^7.0.0"
+
 ajv-keywords@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-4.0.0.tgz#d0ffb23189d5002b234ad54c1a1b620a5398db58"
@@ -1311,7 +1318,7 @@ ajv@^6.10.0, ajv@^6.10.2, ajv@^6.12.3, ajv@^6.12.4:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ajv@^7.0.2:
+ajv@^7.0.0, ajv@^7.0.2:
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.0.2.tgz#04ccc89a93449c64382fe0846d45a7135d986dbc"
   integrity sha512-qIaxO9RXjaXyO21tJr0EvwPcZa49m64GcXCU8ZrLjCAlFyMuOcPpI560So4A11M1WsKslJYIXn6jSyG5P0xIeg==