fix: links must have protocol.

As most markdown parses don't parse links without protocols.

Author: mayank1513

lib/src/index.test.ts

@@ -2,7 +2,23 @@ import { describe, test } from "vitest";
 import { autoLinkMd } from "../src";
 
 describe("react-markdown-autolink", () => {
-  test("test autolink", ({ expect }) => {
-    expect(autoLinkMd("this is a link: google.com")).toBe("this is a link: <google.com>");
+  test("test autolink url", ({ expect }) => {
+    expect(autoLinkMd("this is a link: https://google.com")).toBe(
+      "this is a link: <https://google.com>",
+    );
+  });
+  test("test autolink email", ({ expect }) => {
+    expect(autoLinkMd("this is a email: [email protected]")).toBe(
+      "this is a email: <[email protected]>",
+    );
+  });
+  test("test autolink with mixed text", ({ expect }) => {
+    expect(
+      autoLinkMd(
+        "this is a email: [email protected] and this is url: https://google.com and this is invalid url: google.com (without protocol)",
+      ),
+    ).toBe(
+      "this is a email: <[email protected]> and this is url: <https://google.com> and this is invalid url: google.com (without protocol)",
+    );
   });
 });

lib/src/index.ts

@@ -1,5 +1,5 @@
 export const autoLinkMd = (str: string) =>
   str.replace(
-    /((ftp|https?):\/\/)?[\w_-]+(\.[\w_-]+)+[\w@?^=%&\/~+#-.:,]*[\w@?^=%&\/~+#-]/g,
+    /(ftp|https?):\/\/[\w_-]+(\.[\w_-]+)+[\w@?^=%&\/~+#-.:,]*[\w@?^=%&\/~+#-]|[\w._%+-]+@[\w.-]+\.[a-zA-Z]{2,}/g,
     match => `<${match}>`,
   );