Init commit

2 files changed, 126 insertions, 0 deletions

diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..f1f0ce5
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const visit = require('unist-util-visit');
+const schemes = require('./schemes.js');
+
+function plugin() {
+  return transformer;
+  function transformer(tree) {
+    visit(tree, 'link', link => {
+      if (link.url) {
+        if (link.url[0] === '/') { // Local link
+          return;
+        }
+
+        if (schemes.some(scheme => link.url.startsWith(scheme + ':'))) {
+          // Valide scheme
+          return;
+        }
+
+        link.url = '/' + link.url;
+      }
+    });
+  }
+}
+
+module.exports = plugin;
+
diff --git a/src/schemes.js b/src/schemes.js
new file mode 100644
index 0000000..fecc1dd
--- /dev/null
+++ b/src/schemes.js
@@ -0,0 +1,99 @@
+'use strict';
+
+module.exports = [
+  'aaa',
+  'aaas',
+  'about',
+  'acap',
+  'acct',
+  'cap',
+  'cid',
+  'coap',
+  'coap+tcp',
+  'coap+ws',
+  'coaps',
+  'coaps+tcp',
+  'coaps+ws',
+  'crid',
+  'data',
+  'dav',
+  'dict',
+  'dns',
+  'example',
+  'file',
+  'ftp',
+  'geo',
+  'go',
+  'gopher',
+  'h323',
+  'http',
+  'https',
+  'iax',
+  'icap',
+  'im',
+  'imap',
+  'info',
+  'ipp',
+  'ipps',
+  'iris',
+  'iris.beep',
+  'iris.lwz',
+  'iris.xpc',
+  'iris.xpcs',
+  'jabber',
+  'ldap',
+  'leaptofrogans',
+  'mailto',
+  'mid',
+  'msrp',
+  'msrps',
+  'mtqp',
+  'mupdate',
+  'news',
+  'nfs',
+  'ni',
+  'nih',
+  'nntp',
+  'opaquelocktoken',
+  'pkcs11',
+  'pop',
+  'pres',
+  'reload',
+  'rtsp',
+  'rtsps',
+  'rtspu',
+  'service',
+  'session',
+  'shttp',
+  'sieve',
+  'sip',
+  'sips',
+  'sms',
+  'snmp',
+  'soap.beep',
+  'soap.beeps',
+  'stun',
+  'stuns',
+  'tag',
+  'tel',
+  'telnet',
+  'tftp',
+  'thismessage',
+  'tip',
+  'tn3270',
+  'turn',
+  'turns',
+  'tv',
+  'urn',
+  'vemmi',
+  'vnc',
+  'ws',
+  'wss',
+  'xcon',
+  'xcon-userid',
+  'xmlrpc.beep',
+  'xmlrpc.beeps',
+  'xmpp',
+  'z39.50r',
+  'z39.50s',
+];