From 52850baca443657b379b550e78c4a9766b3fe6b6 Mon Sep 17 00:00:00 2001
From: David Sanders <dsanders11@ucsbalum.com>
Date: Fri, 31 Oct 2025 13:44:26 -0700
Subject: [PATCH] fix: skip npmjs.com links

---
 bin/lint-markdown-links.ts               |  6 ++++++
 tests/fixtures/skipped-external-link.md  |  1 +
 tests/lint-roller-markdown-links.spec.ts | 12 ++++++++++++
 3 files changed, 19 insertions(+)
 create mode 100644 tests/fixtures/skipped-external-link.md

diff --git a/bin/lint-markdown-links.ts b/bin/lint-markdown-links.ts
index 362789e..ec5ad51 100644
--- a/bin/lint-markdown-links.ts
+++ b/bin/lint-markdown-links.ts
@@ -34,6 +34,12 @@ const diagnosticOptions: DiagnosticOptions = {
 };
 
 async function fetchExternalLink(link: string, checkRedirects = false) {
+  const url = new URL(link);
+  if (url.hostname.endsWith('.npmjs.com')) {
+    console.log('Skipping npmjs.com link check', link);
+    return true;
+  }
+
   try {
     const response = await fetch(link, {
       headers: {
diff --git a/tests/fixtures/skipped-external-link.md b/tests/fixtures/skipped-external-link.md
new file mode 100644
index 0000000..f003356
--- /dev/null
+++ b/tests/fixtures/skipped-external-link.md
@@ -0,0 +1 @@
+This is a skipped [external link](https://www.npmjs.com/support)
diff --git a/tests/lint-roller-markdown-links.spec.ts b/tests/lint-roller-markdown-links.spec.ts
index 10be822..4335a45 100644
--- a/tests/lint-roller-markdown-links.spec.ts
+++ b/tests/lint-roller-markdown-links.spec.ts
@@ -156,6 +156,18 @@ describe('lint-roller-markdown-links', () => {
     expect(status).toEqual(0);
   });
 
+  it('should skip npmjs.com links', () => {
+    const { status, stdout } = runLintMarkdownLinks(
+      '--root',
+      FIXTURES_DIR,
+      'skipped-external-link.md',
+      '--fetch-external-links',
+    );
+
+    expect(status).toEqual(0);
+    expect(stdout).toContain('Skipping');
+  });
+
   it('should disallow absolute links by default', () => {
     const { status, stdout } = runLintMarkdownLinks(
       '--root',