Upgrade dev deps, fix startsWith bug

Author: christianbundy

lib/catch-links.js

@@ -16,7 +16,7 @@ module.exports = function (root, cb) {
 
     let href = anchor.getAttribute('href')
 
-    if (href.startsWith('#')) {
+    if (typeof href === 'string' && href.startsWith('#')) {
       try {
         href = decodeURIComponent(href)
       } catch (e) {