From 78275c3c48899ef874dc5a8efd9494f45467d6fa Mon Sep 17 00:00:00 2001
From: Dominic Lee <34794189+dominictwlee@users.noreply.github.com>
Date: Wed, 25 Apr 2018 23:54:27 +0100
Subject: [PATCH 1/2] WIP: Cannot get coverage quite there

---
 src/get-query-string-value.js       | 31 ++++++++++++++++++++++++++++
 src/index.js                        |  2 ++
 test/get-query-string-value.test.js | 32 +++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+)
 create mode 100644 src/get-query-string-value.js
 create mode 100644 test/get-query-string-value.test.js

diff --git a/src/get-query-string-value.js b/src/get-query-string-value.js
new file mode 100644
index 00000000..ce0bbf48
--- /dev/null
+++ b/src/get-query-string-value.js
@@ -0,0 +1,31 @@
+export default getQueryStringValue
+
+/**
+ * Original Source: https://stackoverflow.com/questions/901115/
+ *
+ * This method will return the query string value
+ * of the given parameter name
+ *
+ * @param {String} name - The parameter name in query string
+ * @param {String} url - The url with query string
+ * @return {String} - The query string value
+ */
+
+function getQueryStringValue(name, url) {
+  if (!url) {
+    url = window.location.href
+  }
+
+  name = name.replace(/[\[\]]/g, '\\$&')
+  const regex = new RegExp(`[?&]${name}(=([^&#]*)|&|#|$)`)
+  const results = regex.exec(url)
+  if (!results) {
+    return null
+  }
+
+  if (!results[2]) {
+    return ''
+  }
+
+  return decodeURIComponent(results[2].replace(/\+/g, ' '))
+}
diff --git a/src/index.js b/src/index.js
index e4dfeb57..e326dc8c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -56,6 +56,7 @@ import isPrime from './is-prime'
 import swapElements from './swapElements'
 import reverse from './reverse'
 import removeAccents from './remove-accents'
+import getQueryStringValue from './get-query-string-value'
 
 export {
   isOdd,
@@ -116,4 +117,5 @@ export {
   swapElements,
   reverse,
   removeAccents,
+  getQueryStringValue,
 }
diff --git a/test/get-query-string-value.test.js b/test/get-query-string-value.test.js
new file mode 100644
index 00000000..385d2763
--- /dev/null
+++ b/test/get-query-string-value.test.js
@@ -0,0 +1,32 @@
+import test from 'ava'
+import {getQueryStringValue} from '../src'
+
+const url = 'https://www.google.com/search?foo=bar&bar=&apple'
+
+test('returns query string value of the given parameter', t => {
+  const name = 'foo'
+  const expected = 'bar'
+  const actual = getQueryStringValue(name, url)
+  t.deepEqual(actual, expected)
+})
+
+test('returns an empty string if parameter is present with empty value', t => {
+  const name = 'bar'
+  const expected = ''
+  const actual = getQueryStringValue(name, url)
+  t.deepEqual(actual, expected)
+})
+
+test('returns an empty string if parameter is present with no value', t => {
+  const name = 'apple'
+  const expected = ''
+  const actual = getQueryStringValue(name, url)
+  t.deepEqual(actual, expected)
+})
+
+test('returns null if parameter does not exist', t => {
+  const name = 'pizza'
+  const expected = null
+  const actual = getQueryStringValue(name, url)
+  t.deepEqual(actual, expected)
+})

From d2399087ad963baab6f1a8d669f5f5d4b97287c2 Mon Sep 17 00:00:00 2001
From: Dominic Lee <34794189+dominictwlee@users.noreply.github.com>
Date: Fri, 27 Apr 2018 22:19:01 +0100
Subject: [PATCH 2/2] fix(compile): achieved 100% test coverage

---
 src/get-query-string-value.js | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/get-query-string-value.js b/src/get-query-string-value.js
index ce0bbf48..8fe0fb22 100644
--- a/src/get-query-string-value.js
+++ b/src/get-query-string-value.js
@@ -12,9 +12,6 @@ export default getQueryStringValue
  */
 
 function getQueryStringValue(name, url) {
-  if (!url) {
-    url = window.location.href
-  }
 
   name = name.replace(/[\[\]]/g, '\\$&')
   const regex = new RegExp(`[?&]${name}(=([^&#]*)|&|#|$)`)