diff --git a/directory_hashes.js b/directory_hashes.js
index 47fa8c4..6217c8f 100644
--- a/directory_hashes.js
+++ b/directory_hashes.js
@@ -1 +1 @@
-var ipfs_directory_hashes={"vanity_text":"soy","vanity_number":1891,"tree":{"Links":[{"Name":".ipfsignore","Hash":"QmWMeSQQxuSYMddVwJGrnn12zrX1TTW7ueZbhZdaZ64Wr1","Size":14},{"Name":"directory_hashes.js","Hash":"","Size":0},{"Name":"index.html","Hash":"QmSGG1iXXNkpLWeKmmZaqnEaUD9Thpkq3ysvzg7Y5VJVBN","Size":853},{"Name":"ipfs.js","Hash":"QmUyp8avhb7JJRuvCMccocta99vfpphp3sWRHD5JpiJVBS","Size":10701},{"Name":"ipfs_self_hash.js","Hash":"QmQNg8yy2PKKKrMbNDAfTALxrU9U1Lv7M6CX9tb5sWQFfL","Size":3099},{"Name":"lzw.js","Hash":"QmP2CsTDmyR9h5UrXJgXGswyMhiSHBZkQKLszdgh9Eb8Rk","Size":2034},{"Name":"quine.js","Hash":"QmcHWTtgH53KkaSsWEvTxKDuuTNxipC3iJyebS3BBuF21B","Size":3099},{"Name":"s","Hash":"QmZ1aMjVWAowuu7jYXU2uYLTwDiKSnh5yCeHTenP3ctFd6","Size":949},{"Name":"sha256.js","Hash":"QmciGVnQsvn5TFczbrte6JkZ81r9s1MXgFQW1kv2ZXErpM","Size":8477},{"Name":"update_directory_hashes.sh","Hash":"QmePjEEJnG6N569H3Fn9DayRHBHrkhvdWwZaoJtnKkf9Bt","Size":1113},{"Name":"update_quine.sh","Hash":"QmVZY9bqdiopA4BaxNRwJr5AWLbE8ikb19dAJoKCNENNez","Size":3029}],"Data":"\b\u0001"}};
+var ipfs_directory_hashes={"vanity_text":"soy","vanity_number":10448,"tree":{"Links":[{"Name":".ipfsignore","Hash":"QmWMeSQQxuSYMddVwJGrnn12zrX1TTW7ueZbhZdaZ64Wr1","Size":14},{"Name":"directory_hashes.js","Hash":"","Size":0},{"Name":"find_vanity.js","Hash":"QmYcaVuBSCY3CbuXut23kQYpKHN6HuDG6F8mAHeRifdmXZ","Size":229},{"Name":"index.html","Hash":"QmZaXPFa47VxJNsNcaejw7R9GNPGCF5FjkSCDrvrmBAeP9","Size":553},{"Name":"lzw.js","Hash":"QmP2CsTDmyR9h5UrXJgXGswyMhiSHBZkQKLszdgh9Eb8Rk","Size":2034},{"Name":"micro_ipfs.js","Hash":"Qmefnv6QiZqcqAEh8G1gsVQi4hAoXxwkXjWxL3jxjx1Kk7","Size":15370},{"Name":"quine.js","Hash":"QmcHWTtgH53KkaSsWEvTxKDuuTNxipC3iJyebS3BBuF21B","Size":3099},{"Name":"sha256.js","Hash":"QmRhgx5Fq4JqfCgsPcMxNSYwt8M9WRBkec9omPWzJ7gdwL","Size":8553},{"Name":"update_directory_hashes.sh","Hash":"QmYmJcAQpxWb4TbLw2UwM92w6sVfrQMCKitgn8Qg62T8zU","Size":1473},{"Name":"update_quine.sh","Hash":"QmVZY9bqdiopA4BaxNRwJr5AWLbE8ikb19dAJoKCNENNez","Size":3029}],"Data":"\b\u0001"}}; if (typeof module != 'undefined') { module.exports = { ipfs_directory_hashes: ipfs_directory_hashes }; }
diff --git a/find_vanity.js b/find_vanity.js
new file mode 100644
index 0000000..04bc106
--- /dev/null
+++ b/find_vanity.js
@@ -0,0 +1,3 @@
+const directory_hashes = require('./directory_hashes.js');
+const micro_ipfs = require('./micro_ipfs.js');
+console.log(micro_ipfs.ipfs_self_hash.find_vanity_node(null, 'soy', 0, directory_hashes.ipfs_directory_hashes));
\ No newline at end of file
diff --git a/index.html b/index.html
index e279547..029c23a 100644
--- a/index.html
+++ b/index.html
@@ -8,17 +8,12 @@
 <script src="directory_hashes.js"></script>
 <script src="lzw.js"></script>
 <script src="sha256.js"></script>
-<script src="ipfs.js"></script>
-<script src="ipfs_self_hash.js"></script>
+<script src="micro_ipfs.js"></script>
 <script>
-function my_show_link(root, good_vanity) {
-  console.log('cccc');
-  //document.getElementById('self-src').innerText = hexStringToString(root.src3); // only with the quine version
-  document.getElementById('ipfs-link').innerHTML = '<a href="ipfs://' + root.hash + '"">Permalink to this file: ipfs://'+root.hash+'</a> vanity = <span id="ipfs-vanity">' + good_vanity + "</span>";
-}
-console.log('aaaaa');
-ipfs_self_hash(my_show_link);
-console.log('bbbbb');
+(function() {
+  var hash = ipfs_self_hash.get_link();
+  document.getElementById('ipfs-link').innerHTML = '<a href="ipfs://' + hash + '"">Permalink to this file: ipfs://'+hash+'</a>';
+})();
 </script>
 </body>
 </html>
diff --git a/ipfs_self_hash.js b/ipfs_self_hash.js
deleted file mode 100644
index 1b10de1..0000000
--- a/ipfs_self_hash.js
+++ /dev/null
@@ -1,73 +0,0 @@
-var ipfs_self_hash = (function() {
-  var ipfs = micro_ipfs;
-  var get_root_with_vanity = function(vanity_attempt) {
-    var find_link_entry = function() {
-      for (var i = 0; i < ipfs_directory_hashes.tree.Links.length; i++) {
-        if (ipfs_directory_hashes.tree.Links[i].Name == 'directory_hashes.js') {
-          return i;
-        }
-      }
-    }
-    var foo_link_entry = find_link_entry();
-    ipfs_directory_hashes.tree.Links[foo_link_entry].Hash = "";
-    ipfs_directory_hashes.tree.Links[foo_link_entry].Size = 0;
-    ipfs_directory_hashes.vanity_number = vanity_attempt;
-
-    // TODO: using JSON.stringify to recreate the file is more brittle, better store the stringified version as a hex string, and then decode it?
-    var file_directory_hashes = 'var ipfs_directory_hashes=' + JSON.stringify(ipfs_directory_hashes) + ';\n';
-    var foo = ipfs.hashWithLinks(16, {
-      "Links": [],
-      "isFile": true,
-      "File": ipfs.utf8StringToHex(file_directory_hashes)
-    });
-
-    ipfs_directory_hashes.tree.Links[foo_link_entry].Hash = foo.hash;
-    ipfs_directory_hashes.tree.Links[foo_link_entry].Size = foo.block.length;
-
-    root = ipfs.hashWithLinks(32, ipfs_directory_hashes.tree);
-    return root;
-  }
-
-  var expected_vanity_attempt = 32*32*32;
-  var max_vanity_attempt = expected_vanity_attempt*10;
-  function find_vanity(old_root, vanity_text, vanity_attempt, callback) {
-    var root = get_root_with_vanity(vanity_attempt);
-    console.log(root.hash, vanity_attempt, vanity_text);
-    if (vanity_attempt > max_vanity_attempt) {
-      // give up:
-      root = get_root_with_vanity(ipfs_directory_hashes.vanity_number)
-      callback(root, 'timeout');
-    } else {
-      if (root.hash[root.hash.length-1] == vanity_text[2]) {
-        callback(old_root, '… ' + vanity_attempt + ' (' + Math.floor(100*vanity_attempt/expected_vanity_attempt) + '%)');
-        if (root.hash[root.hash.length-2] == vanity_text[1] && root.hash[root.hash.length-3] == vanity_text[0]) {
-          callback(root, vanity_attempt);
-        } else {
-          window.setTimeout(function() { find_vanity(old_root, vanity_text, vanity_attempt + 1, callback); }, 0);
-        }
-      } else {
-        window.setTimeout(function() { find_vanity(old_root, vanity_text, vanity_attempt + 1, callback); }, 0);
-      }
-    }
-  }
-
-  function main(show_link) {
-    console.log('ipfs_self_hash a');
-    var root = get_root_with_vanity(ipfs_directory_hashes.vanity_number);
-    var vanity_text = ipfs_directory_hashes.vanity_text;
-
-    console.log('ipfs_self_hash b');
-    if (root.hash[root.hash.length-1] == vanity_text[2] && root.hash[root.hash.length-2] == vanity_text[1] && root.hash[root.hash.length-3] == vanity_text[0]) {
-      // vanity check is ok
-      console.log('ipfs_self_hash c');
-      show_link(root, ipfs_directory_hashes.vanity_number);
-    } else {
-      // Brute-force to try to find a number that gives the desired last 3 characters
-      console.log('ipfs_self_hash d');
-      show_link(root, '…');
-      find_vanity(root, vanity_text, 0, show_link);
-    }
-  }
-  
-  return main;
-})();
\ No newline at end of file
diff --git a/ipfs.js b/micro_ipfs.js
similarity index 69%
rename from ipfs.js
rename to micro_ipfs.js
index 4fedd34..60d0a35 100644
--- a/ipfs.js
+++ b/micro_ipfs.js
@@ -1,3 +1,6 @@
+// for nodejs
+if (typeof sha256 == 'undefined' && typeof require != 'undefined') { try { sha256 = require('./sha256.js').sha256; } catch (e) {console.log(e);} }
+
 var micro_ipfs = (function() {
   var hexVarintToInteger = function(str) {
     var s = String(str);
@@ -16,7 +19,7 @@ var micro_ipfs = (function() {
       offset *= Math.pow(2,7);
     }
     return total;
-  }
+  };
   
   var hexStringToIntegerList = function(str) {
     var s = String(str);
@@ -25,7 +28,7 @@ var micro_ipfs = (function() {
       result[i/2] = parseInt(s.substring(i, i+2), 16);
     }
     return result;
-  }
+  };
   
   var hexStringToString = function(str) {
     var s = String(str);
@@ -34,7 +37,7 @@ var micro_ipfs = (function() {
       result += String.fromCharCode(parseInt(s.substring(i, i+2), 16));
     }
     return result;
-  }
+  };
   
   var sha256IntegerListToMultihash = function(base, lst) {
     // 0x20 is the length of the hash.
@@ -51,7 +54,7 @@ var micro_ipfs = (function() {
       result[j+i] = lst[j];
     }
     return result;
-  }
+  };
   
   var integerListToLowercaseBase16Multibase = function(lst) {
     var result = '';
@@ -61,7 +64,7 @@ var micro_ipfs = (function() {
       result += hex;
     }
     return 'f' + result;
-  }
+  };
   
   var int8ListToBitList = function(lst) {
     var result = [];
@@ -76,7 +79,7 @@ var micro_ipfs = (function() {
       result[i*8+7] = (lst[i] & 1) ? 1 : 0;
     }
     return result;
-  }
+  };
   
   var base32StringToBitList = function(str) {
     var baseChars = 'abcdefghijklmnopqrstuvwxyz234567';
@@ -94,7 +97,7 @@ var micro_ipfs = (function() {
       result[i*5+4] = (part & 1) ? 1 : 0;
     }
     return result;
-  }
+  };
   
   // https://gist.github.com/diafygi/90a3e80ca1c2793220e5/, license: wtfpl
   var from_b58 = function(S,A){var d=[],b=[],i,j,c,n;for(i in S){j=0,c=A.indexOf(S[i]);if(c<0)return undefined;c||b.length^i?i:b.push(0);while(j in d||c){n=d[j];n=n?n*58+c:c;c=n>>8;d[j]=n%256;j++}}while(j--)b.push(d[j]);return new Uint8Array(b)};
@@ -109,7 +112,7 @@ var micro_ipfs = (function() {
       result += hex;
     }
     return result;
-  }
+  };
   
   var integerListToLowercaseBase32Multibase = function(lst) {
     var baseChars = 'abcdefghijklmnopqrstuvwxyz234567';
@@ -122,7 +125,7 @@ var micro_ipfs = (function() {
       result += baseChars[part];
     }
     return 'b' + result;
-  }
+  };
   
   var base32StringToBase16LowercaseMultibase = function(str) {
     var baseChars = '0123456789abcdef';
@@ -135,7 +138,7 @@ var micro_ipfs = (function() {
       result += baseChars[part];
     }
     return 'f' + result;
-  }
+  };
   
   var integerToHexVarint = function(i) {
     // This function takes a JavaScript integer and returns a hexadecimal string representing that integer encoded as a protobuf varint according to the rules explained at
@@ -171,7 +174,7 @@ var micro_ipfs = (function() {
       result += hex;
     }
     return result;
-  }
+  };
   
   var ipfsBlockWithLinks = function(object) {
     // object should be an { "Links": links, "Data": hex-encoded string } object
@@ -277,7 +280,7 @@ var micro_ipfs = (function() {
     result += encodedData;
   
     return result;
-  }
+  };
   
   var ipfsHashWithLinks = function(base, object) {
     var block = hexStringToIntegerList(ipfsBlockWithLinks(object));
@@ -290,10 +293,104 @@ var micro_ipfs = (function() {
     } else {
       return { "hash" : integerListToLowercaseBase32Multibase(hash), "block" : block };
     }
-  }
+  };
 
   return {
     utf8StringToHex: utf8StringToHex,
     hashWithLinks: ipfsHashWithLinks
-  }
-})();
\ No newline at end of file
+  };
+})();
+
+var ipfs_self_hash = (function() {
+    var ipfs = micro_ipfs;
+    var get_root_with_vanity = function(vanity_attempt, ipfs_directory_hashes) {
+      var find_link_entry = function() {
+        for (var i = 0; i < ipfs_directory_hashes.tree.Links.length; i++) {
+          if (ipfs_directory_hashes.tree.Links[i].Name == 'directory_hashes.js') {
+            return i;
+          }
+        }
+      }
+      var foo_link_entry = find_link_entry();
+      ipfs_directory_hashes.tree.Links[foo_link_entry].Hash = "";
+      ipfs_directory_hashes.tree.Links[foo_link_entry].Size = 0;
+      ipfs_directory_hashes.vanity_number = vanity_attempt;
+  
+      // TODO: using JSON.stringify to recreate the file is more brittle, better store the stringified version as a hex string, and then decode it?
+      var file_directory_hashes = 'var ipfs_directory_hashes=' + JSON.stringify(ipfs_directory_hashes) + '; if (typeof module != \'undefined\') { module.exports = { ipfs_directory_hashes: ipfs_directory_hashes }; }\n';
+      var foo = ipfs.hashWithLinks(16, {
+        "Links": [],
+        "isFile": true,
+        "File": ipfs.utf8StringToHex(file_directory_hashes)
+      });
+  
+      ipfs_directory_hashes.tree.Links[foo_link_entry].Hash = foo.hash;
+      ipfs_directory_hashes.tree.Links[foo_link_entry].Size = foo.block.length;
+  
+      root = ipfs.hashWithLinks(32, ipfs_directory_hashes.tree);
+      return root;
+    };
+  
+    var expected_vanity_attempt = 32*32*32;
+    var max_vanity_attempt = expected_vanity_attempt*10;
+    function find_vanity_node(old_root, vanity_text, vanity_attempt, ipfs_directory_hashes) {
+      while (true) {
+        if (vanity_attempt > max_vanity_attempt) {
+          // give up:
+          return null;
+        } else {
+          var root = get_root_with_vanity(vanity_attempt, ipfs_directory_hashes);
+          if (root.hash[root.hash.length-1] == vanity_text[2] && root.hash[root.hash.length-2] == vanity_text[1]) {
+            console.error(vanity_attempt + ' (' + Math.floor(100*vanity_attempt/expected_vanity_attempt) + '%)');
+            if (root.hash[root.hash.length-3] == vanity_text[0]) {
+              return vanity_attempt;
+            }
+          }
+          vanity_attempt++;
+        }
+      }
+    };
+
+    function find_vanity_browser(old_root, vanity_text, vanity_attempt, callback, ipfs_directory_hashes) {
+      var root = get_root_with_vanity(vanity_attempt, ipfs_directory_hashes);
+      if (vanity_attempt > max_vanity_attempt) {
+        // give up:
+        root = get_root_with_vanity(ipfs_directory_hashes.vanity_number, ipfs_directory_hashes)
+        callback(root, 'timeout', false);
+      } else {
+        if (root.hash[root.hash.length-1] == vanity_text[2]) {
+          callback(old_root, '… ' + vanity_attempt + ' (' + Math.floor(100*vanity_attempt/expected_vanity_attempt) + '%)', false);
+          if (root.hash[root.hash.length-2] == vanity_text[1] && root.hash[root.hash.length-3] == vanity_text[0]) {
+            callback(root, vanity_attempt, true);
+          } else {
+            window.setTimeout(function() { find_vanity_browser(old_root, vanity_text, vanity_attempt + 1, callback, ipfs_directory_hashes); }, 0);
+          }
+        } else {
+          window.setTimeout(function() { find_vanity_browser(old_root, vanity_text, vanity_attempt + 1, callback, ipfs_directory_hashes); }, 0);
+        }
+      }
+    };
+  
+    var debug = function(show_link) {
+      var root = get_root_with_vanity(ipfs_directory_hashes.vanity_number, ipfs_directory_hashes);
+      var vanity_text = ipfs_directory_hashes.vanity_text;
+  
+      if (root.hash[root.hash.length-1] == vanity_text[2] && root.hash[root.hash.length-2] == vanity_text[1] && root.hash[root.hash.length-3] == vanity_text[0]) {
+        // vanity check is ok
+        show_link(root, ipfs_directory_hashes.vanity_number, true);
+      } else {
+        // Brute-force to try to find a number that gives the desired last 3 characters
+        show_link(root, '…', false);
+        find_vanity_browser(root, vanity_text, 0, show_link, ipfs_directory_hashes);
+      }
+    };
+
+    var get_link = function get_link() {
+      var root = get_root_with_vanity(ipfs_directory_hashes.vanity_number, ipfs_directory_hashes);
+      return root.hash;
+    };
+    
+    return { get_link: get_link, find_vanity_browser: find_vanity_browser, find_vanity_node: find_vanity_node };
+  })();
+
+  if (typeof module != 'undefined') { module.exports = { micro_ipfs : micro_ipfs, ipfs_self_hash : ipfs_self_hash }; }
\ No newline at end of file
diff --git a/sha256.js b/sha256.js
index e69b47f..2775598 100644
--- a/sha256.js
+++ b/sha256.js
@@ -200,3 +200,5 @@ var sha256 = (function() {
     }
     return hash;
 })();
+
+if (typeof module != 'undefined') { module.exports = { sha256 : sha256 }; }
\ No newline at end of file
diff --git a/update_directory_hashes.sh b/update_directory_hashes.sh
index d49eb10..79fd661 100755
--- a/update_directory_hashes.sh
+++ b/update_directory_hashes.sh
@@ -3,28 +3,31 @@
 set -euET -o pipefail
 
 vanity_text="${1:-xyz}"
-vanity_number="${2:-0}"
-directory="${3:-.}"
+directory="${2:-.}"
 
 temp_file="$(mktemp)"
 hexdump="$(mktemp)"
 
-if test -z "$directory" -o "$directory" = "-h" -o "$directory" = "--help"; then
-  echo 'Usage: ./update-hashes.sh vanity-text vanity-number [path/to/directory]'
+if test -z "$vanity_text" -o "$vanity_text" = "-h" -o "$vanity_text" = "--help"; then
+  echo 'Usage: ./update-hashes.sh vanity-text [path/to/directory]'
   echo 'The given directory should contain a file named meta.js, which will be overwritten.'
+  echo 'The vanity text should be three letters, which will appear at the end of your website'\''s hash'
   exit 1
 fi
 
-printf %s 'var ipfs_directory_hashes=' >> "$temp_file"
-
 # TODO: use ipfs dag get instead of ipfs object get
 partial_hash="$(ipfs add --ignore-rules-path .ipfsignore --pin=false --hidden -Qr "$directory")"
-ipfs object get "$partial_hash" \
-| jq '.Links |= map(if .Name == "directory_hashes.js" then { "Name": .Name, "Hash": "", "Size": 0 } else . end)' \
-| jq -r '{vanity_text:"'"$vanity_text"'", vanity_number:'$vanity_number',tree:.} | tostring' >> "$temp_file"
-sed -i -e 's/$/;/' "$temp_file"
+foo="$(ipfs object get "$partial_hash" | jq '.Links |= map(if .Name == "directory_hashes.js" then { "Name": .Name, "Hash": "", "Size": 0 } else . end)' )"
 
-mv "$temp_file" "$directory"/directory_hashes.js
+write_directory_hashes() {
+  contents="$(printf %s "$foo" | jq -r '{vanity_text:"'"$vanity_text"'", vanity_number:'$1',tree:.} | tostring')"
+  printf 'var ipfs_directory_hashes=%s; if (typeof module != '\''undefined'\'') { module.exports = { ipfs_directory_hashes: ipfs_directory_hashes }; }\n' "$contents" > "$directory"/directory_hashes.js
+}
+
+write_directory_hashes "0"
+vanity_number="$(node find_vanity.js)"
+printf 'Found vanity number: %s\n' $vanity_number
+write_directory_hashes "$vanity_number"
 
 echo "The hash given by the page should be:"
-ipfs cid base32 "$(ipfs add --ignore-rules-path .ipfsignore --hidden -Qr "$directory")"
+printf 'ipfs://%s\n' "$(ipfs cid base32 "$(ipfs add --ignore-rules-path .ipfsignore --hidden -Qr "$directory")")"