Add linkify and replace Urls on page contents

lib/linkify.js

@@ -0,0 +1,35 @@
+var regex_text = "# Pirated from http:\/\/daringfireball.net\/2010\/07\/improved_regex_for_matching_urls\r\n# FIXME the first line from there doesn\'t work in JS, can it be omitted? just doing it for now\r\n\\b\r\n(                           # Capture 1: entire matched URL\r\n  (?:\r\n    [a-z][\\w-]+:                # URL protocol and colon\r\n    (?:\r\n      \/{1,3}                        # 1-3 slashes\r\n      |                             #   or\r\n      [a-z0-9%]                     # Single letter or digit or \'%\'\r\n                                    # (Trying not to match e.g. \"URI::Escape\")\r\n    )\r\n    |                           #   or\r\n    www\\d{0,3}[.]               # \"www.\", \"www1.\", \"www2.\" \u2026 \"www999.\"\r\n    |                           #   or\r\n    [a-z0-9.\\-]+[.][a-z]{2,4}\/  # looks like domain name followed by a slash\r\n  )\r\n  (?:                           # One or more:\r\n    [^\\s()<>]+                      # Run of non-space, non-()<>\r\n    |                               #   or\r\n    \\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)  # balanced parens, up to 2 levels\r\n  )+\r\n  (?:                           # End with:\r\n    \\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)  # balanced parens, up to 2 levels\r\n    |                                   #   or\r\n    [^\\s`!()\\[\\]{};:\'\".,<>?\u00AB\u00BB\u201C\u201D\u2018\u2019]        # not a space or one of these punct chars\r\n  )\r\n)";
+
+var MAGIC_REGEX = (function() {
+  return new RegExp(regex_text
+                    .split('\r\n')
+                    .map(function(line) {
+                      return line.split('#')[0].trim()
+                    })
+                    .join('')
+                   ,
+                    'gi'
+                   )
+})()
+
+function replaceURLs(text, fn) {
+  if (typeof fn === 'string') {
+    if (fn === 'html')
+      fn = function(match, url) {
+        url = url.replace(/"/g, '&quot;')
+        return '<a href="'+url+'">'+match+'</a>'
+      }
+    else if (fn === 'latex')
+      fn = function(match, url) {
+        url = url.replace(/\\/g, '\\\\').replace(/"/g, '\\"')
+        return '\\href{'+url+'}{'+match+'}'
+      }
+    else
+      throw new Error('unknown replacer type')
+  }
+  return text.replace(MAGIC_REGEX, function(match) {
+    var matchURL = match
+    if (!/^[a-zA-Z]{1,6}:/.test(matchURL)) matchURL = 'http://' + matchURL
+    return fn(match, matchURL)
+  })
+}

manifest.json

@@ -28,10 +28,10 @@
   "content_scripts": [
     {
 	  "matches": [ "https://workflowy.com/*" ],
-      "js": [ "lib/jquery-2.1.4.min.js", "lib/jszip.min.js", "lib/jszip-utils.min.js", "lib/FileSaver.min.js", "lib/async.min.js", "src/htmlGenerator.js", "src/converter.js", "src/outline.js", "src/utilities.js" ]
+      "js": [ "lib/jquery-2.1.4.min.js", "lib/jszip.min.js", "lib/jszip-utils.min.js", "lib/FileSaver.min.js", "lib/async.min.js", "lib/linkify.js", "src/htmlGenerator.js", "src/converter.js", "src/outline.js", "src/utilities.js"]
     }
   ],
   "web_accessible_resources": [
     "resources/*"
   ]
-}
+}

src/htmlGenerator.js

@@ -88,7 +88,7 @@
         return className.substring(1);
       }));
     });
-    var heading = stripText($(node).attr('text'));
+    var heading = replaceURLs(stripText($(node).attr('text')), 'html');
     var childContent = $.makeArray($(node).children()).map(function (outline) {
       return placeholder(outline, headingLevel + 1);
     }).join('');