Return the row number on not unique value

demo/dist/bundle.js.LICENSE.txt

@@ -0,0 +1,6 @@
+/* @license
+Papa Parse
+v5.3.0
+https://github.com/mholt/PapaParse
+License: MIT
+*/

demo/index.js

@@ -1,39 +1,39 @@
 import CSVFileValidator from '../src/csv-file-validator'
 
 const requiredError = (headerName, rowNumber, columnNumber) => {
-    return `<div class="red">${headerName} is required in the <strong>${rowNumber} row</strong> / <strong>${columnNumber} column</strong></div>`
+	return `<div class="red">${headerName} is required in the <strong>${rowNumber} row</strong> / <strong>${columnNumber} column</strong></div>`
 }
 const validateError = (headerName, rowNumber, columnNumber) => {
-    return `<div class="red">${headerName} is not valid in the <strong>${rowNumber} row</strong> / <strong>${columnNumber} column</strong></div>`
+	return `<div class="red">${headerName} is not valid in the <strong>${rowNumber} row</strong> / <strong>${columnNumber} column</strong></div>`
 }
-const uniqueError = (headerName) => {
-    return `<div class="red">${headerName} is not unique</div>`
+const uniqueError = (headerName, rowNumber) => {
+	return `<div class="red">${headerName} is not unique at the <strong>${rowNumber} row</strong></div>`
 }
 const isEmailValid = function (email) {
-    const reqExp = /[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$/
-    return reqExp.test(email)
+	const reqExp = /[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$/
+	return reqExp.test(email)
 }
 const isPasswordValid = function (password) {
-    return password.length >= 4
+	return password.length >= 4
 }
 
 const CSVConfig = {
-    headers: [
-        { name: 'First Name', inputName: 'firstName', required: true, requiredError },
-        { name: 'Last Name', inputName: 'lastName', required: true, requiredError },
-        { name: 'Email', inputName: 'email', required: true, requiredError, unique: true, uniqueError, validate: isEmailValid, validateError },
-        { name: 'Password', inputName: 'password', required: true, requiredError, validate: isPasswordValid, validateError },
-        { name: 'Roles', inputName: 'roles', required: true, requiredError, isArray: true }
-    ]
+	headers: [
+		{ name: 'First Name', inputName: 'firstName', required: true, requiredError },
+		{ name: 'Last Name', inputName: 'lastName', required: true, requiredError },
+		{ name: 'Email', inputName: 'email', required: true, requiredError, unique: true, uniqueError, validate: isEmailValid, validateError },
+		{ name: 'Password', inputName: 'password', required: true, requiredError, validate: isPasswordValid, validateError },
+		{ name: 'Roles', inputName: 'roles', required: true, requiredError, isArray: true }
+	]
 }
 
-document.getElementById('file').onchange = function(event) {
-    CSVFileValidator(event.target.files[0], CSVConfig)
-        .then(csvData => {
-            csvData.inValidMessages.forEach(message => {
-                document.getElementById('invalidMessages').insertAdjacentHTML('beforeend', message)
-            })
-            console.log(csvData.inValidMessages)
-            console.log(csvData.data)
-        })
+document.getElementById('file').onchange = function (event) {
+	CSVFileValidator(event.target.files[0], CSVConfig)
+		.then(csvData => {
+			csvData.inValidMessages.forEach(message => {
+				document.getElementById('invalidMessages').insertAdjacentHTML('beforeend', message)
+			})
+			console.log(csvData.inValidMessages)
+			console.log(csvData.data)
+		})
 }