Adding isUrl validator and toUrl modifier

ianwalter · Jun 17, 2021 · 7643b38 · 7643b38
1 parent 9c25e7f
commit 7643b38
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Showing 5 changed files with 48 additions and 2 deletions.
diff --git a/.changeset/thick-tools-exercise.md b/.changeset/thick-tools-exercise.md
@@ -0,0 +1,5 @@
+---
+"@ianwalter/nrg-validation": minor
+---
+
+Adding isUrl validator and toUrl modifier
diff --git a/packages/nrg-validation/lib/modifiers.js b/packages/nrg-validation/lib/modifiers.js
@@ -11,3 +11,16 @@ export function lowercase (data) {
 lowercase.modify = function modify (data) {
   return data.toLowerCase()
 }
+
+export function toUrl (input) {
+  return input && toUrl.modify(input)
+}
+toUrl.modify = function modify (input) {
+  let url = input
+  try {
+    url = new URL(input).href
+  } catch (err) {
+    // Ignore error.
+  }
+  return url
+}
diff --git a/packages/nrg-validation/lib/validators.js b/packages/nrg-validation/lib/validators.js
@@ -217,3 +217,16 @@ export function isShortUsZip (input) {
 isShortUsZip.validate = function validateUsShortZip (input) {
   return { isValid: input?.length === 5 && digitsRegex.test(input) }
 }
+
+export function isUrl (input) {
+  return resultIsValid(isUrl.validate(input))
+}
+isUrl.validate = function validateUrl (input) {
+  let url
+  try {
+    url = new URL(input)
+  } catch (err) {
+    // Ignore error
+  }
+  return { isValid: !!url, url }
+}
diff --git a/packages/nrg-validation/tests/modifiers.tests.js b/packages/nrg-validation/tests/modifiers.tests.js
@@ -1,5 +1,5 @@
 import { test } from '@ianwalter/bff'
-import { trim, lowercase } from '../index.js'
+import { trim, lowercase, toUrl } from '../index.js'
 
 test('trim', t => {
   t.expect(trim(' Cam ')).toBe('Cam')
@@ -12,3 +12,9 @@ test('lowercase', t => {
 test('lowercase undefined', t => {
   t.expect(lowercase()).toBe(undefined)
 })
+
+test('toUrl', t => {
+  t.expect(toUrl('http:ianwalter.dev')).toBe('http://ianwalter.dev/')
+  t.expect(toUrl('ianwalter')).toBe('ianwalter')
+  t.expect(toUrl(undefined)).toBe(undefined)
+})
diff --git a/packages/nrg-validation/tests/validators.tests.js b/packages/nrg-validation/tests/validators.tests.js
@@ -14,7 +14,8 @@ import {
   isShortUsState,
   isShortUsZip,
   isDateString,
-  isShortUsDobString
+  isShortUsDobString,
+  isUrl
 } from '../index.js'
 
 test('isString', t => {
@@ -142,3 +143,11 @@ test('isShortUsDobString', t => {
   const tomorrow = addDays(today, 1)
   t.expect(isShortUsDobString(format(tomorrow, 'MM/dd/yyyy'))).toBe(false)
 })
+
+test('isUrl', t => {
+  t.expect(isUrl('a')).toBe(false)
+  t.expect(isUrl('http://ianwalter.dev?key=value&is=true')).toBe(true)
+  t.expect(isUrl('http//ianwalter.dev')).toBe(false)
+  t.expect(isUrl('http://localhost')).toBe(true)
+  t.expect(isUrl('http://localhost:8080/admin')).toBe(true)
+})