feat: Allow configuring max redirects

lib/proto/http.js

@@ -25,6 +25,9 @@ module.exports = {
         //max retry count will default to 2 seconds if not provided in options
         let retryCount = opts.retryCount || 2;
 
+        // allow disabling redirects with '0'. default to 8 if not provided in options
+        let maxRedirects = (typeof opts.maxRedirects === 'number') ? opts.maxRedirects : 8;
+
         //fallback retry delay will default to 60 seconds not provided in options
         let fallbackRetryDelayInMs = ms(opts.fallbackRetryDelay || '60s');
 
@@ -42,7 +45,7 @@ module.exports = {
             agent: new ProxyAgent(),
             use_proxy_from_env_var: false,
             user_agent: user_agent,
-            follow_max: 8,
+            follow_max: maxRedirects,
             follow_keep_method: true,
             response_timeout: ms(timeout),
             open_timeout: ms(open_timeout),

test/link-check.test.js

@@ -259,6 +259,17 @@ describe('link-check', function () {
         });
     });
 
+    it('should allow disabling redirects', function (done) {
+        linkCheck(baseUrl + '/foo/redirect', {maxRedirects: 0}, function (err, result) {
+            expect(err).to.be(null);
+            expect(result.link).to.be(baseUrl + '/foo/redirect');
+            expect(result.status).to.be('dead');
+            expect(result.statusCode).to.be(302);
+            expect(result.err).to.be(null);
+            done();
+        });
+    });
+
     it('should handle valid mailto', function (done) {
         linkCheck('mailto:[email protected]', function (err, result) {
             expect(err).to.be(null);