From ef1f47e8b00113f8d00e28520f3f91cd1ca64bbb Mon Sep 17 00:00:00 2001
From: rachids <me@rachids.ca>
Date: Thu, 16 Jul 2020 12:15:00 -0400
Subject: [PATCH 1/2] Added `isUrl()` rule

---
 src/rules/is_url.ts        | 14 +++++++++++++
 tests/rules/is_url.test.ts | 41 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 src/rules/is_url.ts
 create mode 100644 tests/rules/is_url.test.ts

diff --git a/src/rules/is_url.ts b/src/rules/is_url.ts
new file mode 100644
index 0000000..6c6f849
--- /dev/null
+++ b/src/rules/is_url.ts
@@ -0,0 +1,14 @@
+import { invalid } from "../utils.ts";
+import { Validity } from "../types.ts";
+
+export function isUrl(value: any): Validity {
+  // From 
+  const expression =
+    /^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$/g;
+
+  const regex = new RegExp(expression);
+
+  if (typeof value !== "string" || !regex.test(value.toLowerCase())) {
+    return invalid("isUrl", { value });
+  }
+}
diff --git a/tests/rules/is_url.test.ts b/tests/rules/is_url.test.ts
new file mode 100644
index 0000000..75e1fbc
--- /dev/null
+++ b/tests/rules/is_url.test.ts
@@ -0,0 +1,41 @@
+import { isUrl } from "../../src/rules/is_url.ts";
+import { invalid } from "../../src/utils.ts";
+import { assertInvalid, assertValid } from "../utils.ts";
+
+Deno.test("rules.isUrl(null) should be invalid", () => {
+  assertInvalid(isUrl(null), invalid("isUrl", { value: null }));
+});
+
+Deno.test("rules.isUrl(undefined) should be invalid", () => {
+  assertInvalid(isUrl(undefined), invalid("isUrl", { value: undefined }));
+});
+
+Deno.test("rules.isUrl(0.1) should be invalid", () => {
+  assertInvalid(isUrl(0.1), invalid("isUrl", { value: 0.1 }));
+});
+
+Deno.test("rules.isUrl() with invalid urls should be invalid", () => {
+  const url = "test"
+  assertInvalid(isUrl(url), invalid("isUrl", { value: url }));
+});
+
+Deno.test("rules.isUrl() with invalid urls should be invalid", () => {
+  const url = "http:/test.com"
+  assertInvalid(isUrl(url), invalid("isUrl", { value: url }));
+});
+
+Deno.test("rules.isUrl() with valid urls should be valid", () => {
+  assertValid(isUrl("http://www.test.com"));
+});
+
+Deno.test("rules.isUrl() with valid urls should be valid", () => {
+  assertValid(isUrl("www.test.com"));
+});
+
+Deno.test("rules.isUrl() with valid urls should be valid", () => {
+  assertValid(isUrl("test.com"));
+});
+
+Deno.test("rules.isUrl() with valid urls should be valid", () => {
+  assertValid(isUrl("test.com/"));
+});

From ff0791aaaa667a6554cf061cca24549f62317b2a Mon Sep 17 00:00:00 2001
From: rachids <me@rachids.ca>
Date: Thu, 16 Jul 2020 12:20:34 -0400
Subject: [PATCH 2/2] fmt

---
 src/rules/is_url.ts        | 2 +-
 tests/rules/is_url.test.ts | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/rules/is_url.ts b/src/rules/is_url.ts
index 6c6f849..63fff48 100644
--- a/src/rules/is_url.ts
+++ b/src/rules/is_url.ts
@@ -2,7 +2,7 @@ import { invalid } from "../utils.ts";
 import { Validity } from "../types.ts";
 
 export function isUrl(value: any): Validity {
-  // From 
+  // From
   const expression =
     /^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$/g;
 
diff --git a/tests/rules/is_url.test.ts b/tests/rules/is_url.test.ts
index 75e1fbc..3da9ca7 100644
--- a/tests/rules/is_url.test.ts
+++ b/tests/rules/is_url.test.ts
@@ -15,12 +15,12 @@ Deno.test("rules.isUrl(0.1) should be invalid", () => {
 });
 
 Deno.test("rules.isUrl() with invalid urls should be invalid", () => {
-  const url = "test"
+  const url = "test";
   assertInvalid(isUrl(url), invalid("isUrl", { value: url }));
 });
 
 Deno.test("rules.isUrl() with invalid urls should be invalid", () => {
-  const url = "http:/test.com"
+  const url = "http:/test.com";
   assertInvalid(isUrl(url), invalid("isUrl", { value: url }));
 });