From 58f7dd4e0cab4b37e045db11f5109b7c3bcb954f Mon Sep 17 00:00:00 2001
From: Angelin Sirbu <angelin.sirbu@vola.ro>
Date: Tue, 23 Nov 2021 08:19:12 +0200
Subject: [PATCH 1/3] Updated readme

---
 README.md | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 9ff8e95..d944417 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,17 @@ NodeJS validation middleware for express router using schemas for both body and
 
 This library allows you to use any validation library, even your own. Examples are using [validator](https://github.com/validatorjs/validator.js)
 
-# Installation and usage
+# Table of contents
+1. [Installation and usage](#installation)
+2. [Quick example](#quick-example)
+3. [Validating both body and parameters](#validating-both-body-and-parameters)
+4. [Custom validation output](#custom-validation-output)
+5. [Using field values in messages](#using-field-values-in-messages)
+6. [Async/await validation](#asyncawait-validation)
+7. [Cross field validation](#cross-field-validation)
+8. [Contributing](#contributing)
+
+## Installation
 > npm i nodejs-schema-validator
 
 ## Quick example
@@ -146,7 +156,7 @@ const schema = {
 };
 ```
 
-## Validating with async/await
+## Async/await validation
 Schema rules support async methods. Here's an example:
 
 ```js
@@ -154,7 +164,7 @@ const schema = {
     email: {
         rules: [
             {
-                rule: async (input) => await emailExists(),
+                rule: async (input) => await emailExists(input),
                 message: 'Email address {{email}} already exists'
             }
         ]

From 7ea1783c7c1943c51762f582b8249d571bec7ecd Mon Sep 17 00:00:00 2001
From: Angelin Sirbu <angelin.sirbu@vola.ro>
Date: Tue, 23 Nov 2021 08:31:08 +0200
Subject: [PATCH 2/3] Readme update

---
 README.md | 37 ++++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index d944417..7d5a49b 100644
--- a/README.md
+++ b/README.md
@@ -9,14 +9,16 @@ NodeJS validation middleware for express router using schemas for both body and
 This library allows you to use any validation library, even your own. Examples are using [validator](https://github.com/validatorjs/validator.js)
 
 # Table of contents
-1. [Installation and usage](#installation)
+1. [Installation](#installation)
 2. [Quick example](#quick-example)
-3. [Validating both body and parameters](#validating-both-body-and-parameters)
-4. [Custom validation output](#custom-validation-output)
-5. [Using field values in messages](#using-field-values-in-messages)
-6. [Async/await validation](#asyncawait-validation)
-7. [Cross field validation](#cross-field-validation)
-8. [Contributing](#contributing)
+3. [Schema structure](#schema-structure)
+4. [Optional fields](#optional-fields)
+5. [Validating both body and parameters](#validating-both-body-and-parameters)
+6. [Validation output](#validation-output)
+7. [Using field values in messages](#using-field-values-in-messages)
+8. [Async/await validation](#asyncawait-validation)
+9. [Cross field validation](#cross-field-validation)
+10. [Contributing](#contributing)
 
 ## Installation
 > npm i nodejs-schema-validator
@@ -50,6 +52,7 @@ router.post(
 );
 ```
 
+## Schema structure
 Here's a breakdown of how the schema is structured:
 
 ```js
@@ -79,6 +82,22 @@ const schemaExample = {
     }
 }
 ```
+
+## Optional fields
+Marking fields as optional will validate only when they are not empty.
+```js
+const schema = {
+    vatNo: {
+        // Some fields can be optional
+        optional: true,
+        rules: [
+            rule: (input) => !validator.isValidVatNo(input),
+            message: 'Please insert a valid VAT number of leave empty'
+        ]
+    }
+}
+```
+
 ## Validating both body and parameters
 Example of how to validate both body and url parameters
 
@@ -114,7 +133,7 @@ router.put(
 )
 ```
 
-
+## Validation output
 Validation failure returns status code 422 with a body in this format:
 ```js
 {
@@ -127,7 +146,6 @@ Validation failure returns status code 422 with a body in this format:
 }
 ```
 
-## Custom validation output
 In case you want to customize the output and status code of the failure you can pass a function as the second parameter to the middleware. It can be passed to both `paramSchemaValidator` and `bodySchemaValidator`.
 
 ```js
@@ -143,6 +161,7 @@ router.post(
 ```
 
 ## Using field values in messages
+Field names wrapped in double curly braces will be replaced with their values. **Please note that there should be no space between the field name and the braces**.
 ```js
 const schema = {
     amount: {

From 5e4432e26a911563aa5e260cd7485488b32aeb1a Mon Sep 17 00:00:00 2001
From: Angelin Sirbu <angelin.sirbu@vola.ro>
Date: Tue, 23 Nov 2021 08:32:36 +0200
Subject: [PATCH 3/3] Bumped version to 0.10.3

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 777a2ba..c4c04c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nodejs-schema-validator",
-  "version": "0.10.2",
+  "version": "0.10.3",
   "description": "NodeJS validation using schemas",
   "main": "./src/schema-validator.js",
   "scripts": {