1 files changed, 83 insertions, 1612 deletions

diff --git a/dist/js/lib/xss.js b/dist/js/lib/xss.js
index e0a6ba0..f2030f0 100755
--- a/dist/js/lib/xss.js
+++ b/dist/js/lib/xss.js
@@ -1,1613 +1,84 @@
-(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-/**
- * default settings
- *
- * @author Zongmin Lei<leizongmin@gmail.com>
- */
 
-var FilterCSS = require("cssfilter").FilterCSS;
-var getDefaultCSSWhiteList = require("cssfilter").getDefaultWhiteList;
-var _ = require("./util");
-
-function getDefaultWhiteList() {
-  return {
-    a: ["target", "href", "title"],
-    abbr: ["title"],
-    address: [],
-    area: ["shape", "coords", "href", "alt"],
-    article: [],
-    aside: [],
-    audio: ["autoplay", "controls", "loop", "preload", "src"],
-    b: [],
-    bdi: ["dir"],
-    bdo: ["dir"],
-    big: [],
-    blockquote: ["cite"],
-    br: [],
-    caption: [],
-    center: [],
-    cite: [],
-    code: [],
-    col: ["align", "valign", "span", "width"],
-    colgroup: ["align", "valign", "span", "width"],
-    dd: [],
-    del: ["datetime"],
-    details: ["open"],
-    div: [],
-    dl: [],
-    dt: [],
-    em: [],
-    font: ["color", "size", "face"],
-    footer: [],
-    h1: [],
-    h2: [],
-    h3: [],
-    h4: [],
-    h5: [],
-    h6: [],
-    header: [],
-    hr: [],
-    i: [],
-    img: ["src", "alt", "title", "width", "height"],
-    ins: ["datetime"],
-    li: [],
-    mark: [],
-    nav: [],
-    ol: [],
-    p: [],
-    pre: [],
-    s: [],
-    section: [],
-    small: [],
-    span: [],
-    sub: [],
-    sup: [],
-    strong: [],
-    table: ["width", "border", "align", "valign"],
-    tbody: ["align", "valign"],
-    td: ["width", "rowspan", "colspan", "align", "valign"],
-    tfoot: ["align", "valign"],
-    th: ["width", "rowspan", "colspan", "align", "valign"],
-    thead: ["align", "valign"],
-    tr: ["rowspan", "align", "valign"],
-    tt: [],
-    u: [],
-    ul: [],
-    video: ["autoplay", "controls", "loop", "preload", "src", "height", "width"]
-  };
-}
-
-var defaultCSSFilter = new FilterCSS();
-
-/**
- * default onTag function
- *
- * @param {String} tag
- * @param {String} html
- * @param {Object} options
- * @return {String}
- */
-function onTag(tag, html, options) {
-  // do nothing
-}
-
-/**
- * default onIgnoreTag function
- *
- * @param {String} tag
- * @param {String} html
- * @param {Object} options
- * @return {String}
- */
-function onIgnoreTag(tag, html, options) {
-  // do nothing
-}
-
-/**
- * default onTagAttr function
- *
- * @param {String} tag
- * @param {String} name
- * @param {String} value
- * @return {String}
- */
-function onTagAttr(tag, name, value) {
-  // do nothing
-}
-
-/**
- * default onIgnoreTagAttr function
- *
- * @param {String} tag
- * @param {String} name
- * @param {String} value
- * @return {String}
- */
-function onIgnoreTagAttr(tag, name, value) {
-  // do nothing
-}
-
-/**
- * default escapeHtml function
- *
- * @param {String} html
- */
-function escapeHtml(html) {
-  return html.replace(REGEXP_LT, "&lt;").replace(REGEXP_GT, "&gt;");
-}
-
-/**
- * default safeAttrValue function
- *
- * @param {String} tag
- * @param {String} name
- * @param {String} value
- * @param {Object} cssFilter
- * @return {String}
- */
-function safeAttrValue(tag, name, value, cssFilter) {
-  // unescape attribute value firstly
-  value = friendlyAttrValue(value);
-
-  if (name === "href" || name === "src") {
-    // filter `href` and `src` attribute
-    // only allow the value that starts with `http://` | `https://` | `mailto:` | `/` | `#` | and others
-    value = _.trim(value);
-    if (value === "#") return "#";
-    if (
-      !(
-        value.substr(0, 7) === "http://" ||
-        value.substr(0, 8) === "https://" ||
-        value.substr(0, 6) === "ftp://" ||
-        value.substr(0, 7) === "mailto:" ||
-        value.substr(0, 4) === "tel:" ||
-        value.substr(0, 11) === "data:image/" ||
-        value.substr(0, 2) === "./" ||
-        value.substr(0, 3) === "../" ||
-        value[0] === "#" ||
-        value[0] === "/"
-      )
-    ) {
-      return "";
-    }
-  } else if (name === "background") {
-    // filter `background` attribute (maybe no use)
-    // `javascript:`
-    REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex = 0;
-    if (REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)) {
-      return "";
-    }
-  } else if (name === "style") {
-    // `expression()`
-    REGEXP_DEFAULT_ON_TAG_ATTR_7.lastIndex = 0;
-    if (REGEXP_DEFAULT_ON_TAG_ATTR_7.test(value)) {
-      return "";
-    }
-    // `url()`
-    REGEXP_DEFAULT_ON_TAG_ATTR_8.lastIndex = 0;
-    if (REGEXP_DEFAULT_ON_TAG_ATTR_8.test(value)) {
-      REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex = 0;
-      if (REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)) {
-        return "";
-      }
-    }
-    if (cssFilter !== false) {
-      cssFilter = cssFilter || defaultCSSFilter;
-      value = cssFilter.process(value);
-    }
-  }
-
-  // escape `<>"` before returns
-  value = escapeAttrValue(value);
-  return value;
-}
-
-// RegExp list
-var REGEXP_LT = /</g;
-var REGEXP_GT = />/g;
-var REGEXP_QUOTE = /"/g;
-var REGEXP_QUOTE_2 = /&quot;/g;
-var REGEXP_ATTR_VALUE_1 = /&#([a-zA-Z0-9]*);?/gim;
-var REGEXP_ATTR_VALUE_COLON = /&colon;?/gim;
-var REGEXP_ATTR_VALUE_NEWLINE = /&newline;?/gim;
-var REGEXP_DEFAULT_ON_TAG_ATTR_3 = /\/\*|\*\//gm;
-var REGEXP_DEFAULT_ON_TAG_ATTR_4 = /((j\s*a\s*v\s*a|v\s*b|l\s*i\s*v\s*e)\s*s\s*c\s*r\s*i\s*p\s*t\s*|m\s*o\s*c\s*h\s*a)\:/gi;
-var REGEXP_DEFAULT_ON_TAG_ATTR_5 = /^[\s"'`]*(d\s*a\s*t\s*a\s*)\:/gi;
-var REGEXP_DEFAULT_ON_TAG_ATTR_6 = /^[\s"'`]*(d\s*a\s*t\s*a\s*)\:\s*image\//gi;
-var REGEXP_DEFAULT_ON_TAG_ATTR_7 = /e\s*x\s*p\s*r\s*e\s*s\s*s\s*i\s*o\s*n\s*\(.*/gi;
-var REGEXP_DEFAULT_ON_TAG_ATTR_8 = /u\s*r\s*l\s*\(.*/gi;
-
-/**
- * escape doube quote
- *
- * @param {String} str
- * @return {String} str
- */
-function escapeQuote(str) {
-  return str.replace(REGEXP_QUOTE, "&quot;");
-}
-
-/**
- * unescape double quote
- *
- * @param {String} str
- * @return {String} str
- */
-function unescapeQuote(str) {
-  return str.replace(REGEXP_QUOTE_2, '"');
-}
-
-/**
- * escape html entities
- *
- * @param {String} str
- * @return {String}
- */
-function escapeHtmlEntities(str) {
-  return str.replace(REGEXP_ATTR_VALUE_1, function replaceUnicode(str, code) {
-    return code[0] === "x" || code[0] === "X"
-      ? String.fromCharCode(parseInt(code.substr(1), 16))
-      : String.fromCharCode(parseInt(code, 10));
-  });
-}
-
-/**
- * escape html5 new danger entities
- *
- * @param {String} str
- * @return {String}
- */
-function escapeDangerHtml5Entities(str) {
-  return str
-    .replace(REGEXP_ATTR_VALUE_COLON, ":")
-    .replace(REGEXP_ATTR_VALUE_NEWLINE, " ");
-}
-
-/**
- * clear nonprintable characters
- *
- * @param {String} str
- * @return {String}
- */
-function clearNonPrintableCharacter(str) {
-  var str2 = "";
-  for (var i = 0, len = str.length; i < len; i++) {
-    str2 += str.charCodeAt(i) < 32 ? " " : str.charAt(i);
-  }
-  return _.trim(str2);
-}
-
-/**
- * get friendly attribute value
- *
- * @param {String} str
- * @return {String}
- */
-function friendlyAttrValue(str) {
-  str = unescapeQuote(str);
-  str = escapeHtmlEntities(str);
-  str = escapeDangerHtml5Entities(str);
-  str = clearNonPrintableCharacter(str);
-  return str;
-}
-
-/**
- * unescape attribute value
- *
- * @param {String} str
- * @return {String}
- */
-function escapeAttrValue(str) {
-  str = escapeQuote(str);
-  str = escapeHtml(str);
-  return str;
-}
-
-/**
- * `onIgnoreTag` function for removing all the tags that are not in whitelist
- */
-function onIgnoreTagStripAll() {
-  return "";
-}
-
-/**
- * remove tag body
- * specify a `tags` list, if the tag is not in the `tags` list then process by the specify function (optional)
- *
- * @param {array} tags
- * @param {function} next
- */
-function StripTagBody(tags, next) {
-  if (typeof next !== "function") {
-    next = function() {};
-  }
-
-  var isRemoveAllTag = !Array.isArray(tags);
-  function isRemoveTag(tag) {
-    if (isRemoveAllTag) return true;
-    return _.indexOf(tags, tag) !== -1;
-  }
-
-  var removeList = [];
-  var posStart = false;
-
-  return {
-    onIgnoreTag: function(tag, html, options) {
-      if (isRemoveTag(tag)) {
-        if (options.isClosing) {
-          var ret = "[/removed]";
-          var end = options.position + ret.length;
-          removeList.push([
-            posStart !== false ? posStart : options.position,
-            end
-          ]);
-          posStart = false;
-          return ret;
-        } else {
-          if (!posStart) {
-            posStart = options.position;
-          }
-          return "[removed]";
-        }
-      } else {
-        return next(tag, html, options);
-      }
-    },
-    remove: function(html) {
-      var rethtml = "";
-      var lastPos = 0;
-      _.forEach(removeList, function(pos) {
-        rethtml += html.slice(lastPos, pos[0]);
-        lastPos = pos[1];
-      });
-      rethtml += html.slice(lastPos);
-      return rethtml;
-    }
-  };
-}
-
-/**
- * remove html comments
- *
- * @param {String} html
- * @return {String}
- */
-function stripCommentTag(html) {
-  return html.replace(STRIP_COMMENT_TAG_REGEXP, "");
-}
-var STRIP_COMMENT_TAG_REGEXP = /<!--[\s\S]*?-->/g;
-
-/**
- * remove invisible characters
- *
- * @param {String} html
- * @return {String}
- */
-function stripBlankChar(html) {
-  var chars = html.split("");
-  chars = chars.filter(function(char) {
-    var c = char.charCodeAt(0);
-    if (c === 127) return false;
-    if (c <= 31) {
-      if (c === 10 || c === 13) return true;
-      return false;
-    }
-    return true;
-  });
-  return chars.join("");
-}
-
-exports.whiteList = getDefaultWhiteList();
-exports.getDefaultWhiteList = getDefaultWhiteList;
-exports.onTag = onTag;
-exports.onIgnoreTag = onIgnoreTag;
-exports.onTagAttr = onTagAttr;
-exports.onIgnoreTagAttr = onIgnoreTagAttr;
-exports.safeAttrValue = safeAttrValue;
-exports.escapeHtml = escapeHtml;
-exports.escapeQuote = escapeQuote;
-exports.unescapeQuote = unescapeQuote;
-exports.escapeHtmlEntities = escapeHtmlEntities;
-exports.escapeDangerHtml5Entities = escapeDangerHtml5Entities;
-exports.clearNonPrintableCharacter = clearNonPrintableCharacter;
-exports.friendlyAttrValue = friendlyAttrValue;
-exports.escapeAttrValue = escapeAttrValue;
-exports.onIgnoreTagStripAll = onIgnoreTagStripAll;
-exports.StripTagBody = StripTagBody;
-exports.stripCommentTag = stripCommentTag;
-exports.stripBlankChar = stripBlankChar;
-exports.cssFilter = defaultCSSFilter;
-exports.getDefaultCSSWhiteList = getDefaultCSSWhiteList;
-
-},{"./util":4,"cssfilter":8}],2:[function(require,module,exports){
-/**
- * xss
- *
- * @author Zongmin Lei<leizongmin@gmail.com>
- */
-
-var DEFAULT = require("./default");
-var parser = require("./parser");
-var FilterXSS = require("./xss");
-
-/**
- * filter xss function
- *
- * @param {String} html
- * @param {Object} options { whiteList, onTag, onTagAttr, onIgnoreTag, onIgnoreTagAttr, safeAttrValue, escapeHtml }
- * @return {String}
- */
-function filterXSS(html, options) {
-  var xss = new FilterXSS(options);
-  return xss.process(html);
-}
-
-exports = module.exports = filterXSS;
-exports.filterXSS = filterXSS;
-exports.FilterXSS = FilterXSS;
-for (var i in DEFAULT) exports[i] = DEFAULT[i];
-for (var i in parser) exports[i] = parser[i];
-
-// using `xss` on the browser, output `filterXSS` to the globals
-if (typeof window !== "undefined") {
-  window.filterXSS = module.exports;
-}
-
-// using `xss` on the WebWorker, output `filterXSS` to the globals
-function isWorkerEnv() {
-  return typeof self !== 'undefined' && typeof DedicatedWorkerGlobalScope !== 'undefined' && self instanceof DedicatedWorkerGlobalScope;
-}
-if (isWorkerEnv()) {
-  self.filterXSS = module.exports;
-}
-
-},{"./default":1,"./parser":3,"./xss":5}],3:[function(require,module,exports){
-/**
- * Simple HTML Parser
- *
- * @author Zongmin Lei<leizongmin@gmail.com>
- */
-
-var _ = require("./util");
-
-/**
- * get tag name
- *
- * @param {String} html e.g. '<a hef="#">'
- * @return {String}
- */
-function getTagName(html) {
-  var i = _.spaceIndex(html);
-  if (i === -1) {
-    var tagName = html.slice(1, -1);
-  } else {
-    var tagName = html.slice(1, i + 1);
-  }
-  tagName = _.trim(tagName).toLowerCase();
-  if (tagName.slice(0, 1) === "/") tagName = tagName.slice(1);
-  if (tagName.slice(-1) === "/") tagName = tagName.slice(0, -1);
-  return tagName;
-}
-
-/**
- * is close tag?
- *
- * @param {String} html 如：'<a hef="#">'
- * @return {Boolean}
- */
-function isClosing(html) {
-  return html.slice(0, 2) === "</";
-}
-
-/**
- * parse input html and returns processed html
- *
- * @param {String} html
- * @param {Function} onTag e.g. function (sourcePosition, position, tag, html, isClosing)
- * @param {Function} escapeHtml
- * @return {String}
- */
-function parseTag(html, onTag, escapeHtml) {
-  "use strict";
-
-  var rethtml = "";
-  var lastPos = 0;
-  var tagStart = false;
-  var quoteStart = false;
-  var currentPos = 0;
-  var len = html.length;
-  var currentTagName = "";
-  var currentHtml = "";
-
-  for (currentPos = 0; currentPos < len; currentPos++) {
-    var c = html.charAt(currentPos);
-    if (tagStart === false) {
-      if (c === "<") {
-        tagStart = currentPos;
-        continue;
-      }
-    } else {
-      if (quoteStart === false) {
-        if (c === "<") {
-          rethtml += escapeHtml(html.slice(lastPos, currentPos));
-          tagStart = currentPos;
-          lastPos = currentPos;
-          continue;
-        }
-        if (c === ">") {
-          rethtml += escapeHtml(html.slice(lastPos, tagStart));
-          currentHtml = html.slice(tagStart, currentPos + 1);
-          currentTagName = getTagName(currentHtml);
-          rethtml += onTag(
-            tagStart,
-            rethtml.length,
-            currentTagName,
-            currentHtml,
-            isClosing(currentHtml)
-          );
-          lastPos = currentPos + 1;
-          tagStart = false;
-          continue;
-        }
-        if ((c === '"' || c === "'") && html.charAt(currentPos - 1) === "=") {
-          quoteStart = c;
-          continue;
-        }
-      } else {
-        if (c === quoteStart) {
-          quoteStart = false;
-          continue;
-        }
-      }
-    }
-  }
-  if (lastPos < html.length) {
-    rethtml += escapeHtml(html.substr(lastPos));
-  }
-
-  return rethtml;
-}
-
-var REGEXP_ILLEGAL_ATTR_NAME = /[^a-zA-Z0-9_:\.\-]/gim;
-
-/**
- * parse input attributes and returns processed attributes
- *
- * @param {String} html e.g. `href="#" target="_blank"`
- * @param {Function} onAttr e.g. `function (name, value)`
- * @return {String}
- */
-function parseAttr(html, onAttr) {
-  "use strict";
-
-  var lastPos = 0;
-  var retAttrs = [];
-  var tmpName = false;
-  var len = html.length;
-
-  function addAttr(name, value) {
-    name = _.trim(name);
-    name = name.replace(REGEXP_ILLEGAL_ATTR_NAME, "").toLowerCase();
-    if (name.length < 1) return;
-    var ret = onAttr(name, value || "");
-    if (ret) retAttrs.push(ret);
-  }
-
-  // 逐个分析字符
-  for (var i = 0; i < len; i++) {
-    var c = html.charAt(i);
-    var v, j;
-    if (tmpName === false && c === "=") {
-      tmpName = html.slice(lastPos, i);
-      lastPos = i + 1;
-      continue;
-    }
-    if (tmpName !== false) {
-      if (
-        i === lastPos &&
-        (c === '"' || c === "'") &&
-        html.charAt(i - 1) === "="
-      ) {
-        j = html.indexOf(c, i + 1);
-        if (j === -1) {
-          break;
-        } else {
-          v = _.trim(html.slice(lastPos + 1, j));
-          addAttr(tmpName, v);
-          tmpName = false;
-          i = j;
-          lastPos = i + 1;
-          continue;
-        }
-      }
-    }
-    if (/\s|\n|\t/.test(c)) {
-      html = html.replace(/\s|\n|\t/g, " ");
-      if (tmpName === false) {
-        j = findNextEqual(html, i);
-        if (j === -1) {
-          v = _.trim(html.slice(lastPos, i));
-          addAttr(v);
-          tmpName = false;
-          lastPos = i + 1;
-          continue;
-        } else {
-          i = j - 1;
-          continue;
-        }
-      } else {
-        j = findBeforeEqual(html, i - 1);
-        if (j === -1) {
-          v = _.trim(html.slice(lastPos, i));
-          v = stripQuoteWrap(v);
-          addAttr(tmpName, v);
-          tmpName = false;
-          lastPos = i + 1;
-          continue;
-        } else {
-          continue;
-        }
-      }
-    }
-  }
-
-  if (lastPos < html.length) {
-    if (tmpName === false) {
-      addAttr(html.slice(lastPos));
-    } else {
-      addAttr(tmpName, stripQuoteWrap(_.trim(html.slice(lastPos))));
-    }
-  }
-
-  return _.trim(retAttrs.join(" "));
-}
-
-function findNextEqual(str, i) {
-  for (; i < str.length; i++) {
-    var c = str[i];
-    if (c === " ") continue;
-    if (c === "=") return i;
-    return -1;
-  }
-}
-
-function findBeforeEqual(str, i) {
-  for (; i > 0; i--) {
-    var c = str[i];
-    if (c === " ") continue;
-    if (c === "=") return i;
-    return -1;
-  }
-}
-
-function isQuoteWrapString(text) {
-  if (
-    (text[0] === '"' && text[text.length - 1] === '"') ||
-    (text[0] === "'" && text[text.length - 1] === "'")
-  ) {
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function stripQuoteWrap(text) {
-  if (isQuoteWrapString(text)) {
-    return text.substr(1, text.length - 2);
-  } else {
-    return text;
-  }
-}
-
-exports.parseTag = parseTag;
-exports.parseAttr = parseAttr;
-
-},{"./util":4}],4:[function(require,module,exports){
-module.exports = {
-  indexOf: function(arr, item) {
-    var i, j;
-    if (Array.prototype.indexOf) {
-      return arr.indexOf(item);
-    }
-    for (i = 0, j = arr.length; i < j; i++) {
-      if (arr[i] === item) {
-        return i;
-      }
-    }
-    return -1;
-  },
-  forEach: function(arr, fn, scope) {
-    var i, j;
-    if (Array.prototype.forEach) {
-      return arr.forEach(fn, scope);
-    }
-    for (i = 0, j = arr.length; i < j; i++) {
-      fn.call(scope, arr[i], i, arr);
-    }
-  },
-  trim: function(str) {
-    if (String.prototype.trim) {
-      return str.trim();
-    }
-    return str.replace(/(^\s*)|(\s*$)/g, "");
-  },
-  spaceIndex: function(str) {
-    var reg = /\s|\n|\t/;
-    var match = reg.exec(str);
-    return match ? match.index : -1;
-  }
-};
-
-},{}],5:[function(require,module,exports){
-/**
- * filter xss
- *
- * @author Zongmin Lei<leizongmin@gmail.com>
- */
-
-var FilterCSS = require("cssfilter").FilterCSS;
-var DEFAULT = require("./default");
-var parser = require("./parser");
-var parseTag = parser.parseTag;
-var parseAttr = parser.parseAttr;
-var _ = require("./util");
-
-/**
- * returns `true` if the input value is `undefined` or `null`
- *
- * @param {Object} obj
- * @return {Boolean}
- */
-function isNull(obj) {
-  return obj === undefined || obj === null;
-}
-
-/**
- * get attributes for a tag
- *
- * @param {String} html
- * @return {Object}
- *   - {String} html
- *   - {Boolean} closing
- */
-function getAttrs(html) {
-  var i = _.spaceIndex(html);
-  if (i === -1) {
-    return {
-      html: "",
-      closing: html[html.length - 2] === "/"
-    };
-  }
-  html = _.trim(html.slice(i + 1, -1));
-  var isClosing = html[html.length - 1] === "/";
-  if (isClosing) html = _.trim(html.slice(0, -1));
-  return {
-    html: html,
-    closing: isClosing
-  };
-}
-
-/**
- * shallow copy
- *
- * @param {Object} obj
- * @return {Object}
- */
-function shallowCopyObject(obj) {
-  var ret = {};
-  for (var i in obj) {
-    ret[i] = obj[i];
-  }
-  return ret;
-}
-
-/**
- * FilterXSS class
- *
- * @param {Object} options
- *        whiteList, onTag, onTagAttr, onIgnoreTag,
- *        onIgnoreTagAttr, safeAttrValue, escapeHtml
- *        stripIgnoreTagBody, allowCommentTag, stripBlankChar
- *        css{whiteList, onAttr, onIgnoreAttr} `css=false` means don't use `cssfilter`
- */
-function FilterXSS(options) {
-  options = shallowCopyObject(options || {});
-
-  if (options.stripIgnoreTag) {
-    if (options.onIgnoreTag) {
-      console.error(
-        'Notes: cannot use these two options "stripIgnoreTag" and "onIgnoreTag" at the same time'
-      );
-    }
-    options.onIgnoreTag = DEFAULT.onIgnoreTagStripAll;
-  }
-
-  options.whiteList = options.whiteList || DEFAULT.whiteList;
-  options.onTag = options.onTag || DEFAULT.onTag;
-  options.onTagAttr = options.onTagAttr || DEFAULT.onTagAttr;
-  options.onIgnoreTag = options.onIgnoreTag || DEFAULT.onIgnoreTag;
-  options.onIgnoreTagAttr = options.onIgnoreTagAttr || DEFAULT.onIgnoreTagAttr;
-  options.safeAttrValue = options.safeAttrValue || DEFAULT.safeAttrValue;
-  options.escapeHtml = options.escapeHtml || DEFAULT.escapeHtml;
-  this.options = options;
-
-  if (options.css === false) {
-    this.cssFilter = false;
-  } else {
-    options.css = options.css || {};
-    this.cssFilter = new FilterCSS(options.css);
-  }
-}
-
-/**
- * start process and returns result
- *
- * @param {String} html
- * @return {String}
- */
-FilterXSS.prototype.process = function(html) {
-  // compatible with the input
-  html = html || "";
-  html = html.toString();
-  if (!html) return "";
-
-  var me = this;
-  var options = me.options;
-  var whiteList = options.whiteList;
-  var onTag = options.onTag;
-  var onIgnoreTag = options.onIgnoreTag;
-  var onTagAttr = options.onTagAttr;
-  var onIgnoreTagAttr = options.onIgnoreTagAttr;
-  var safeAttrValue = options.safeAttrValue;
-  var escapeHtml = options.escapeHtml;
-  var cssFilter = me.cssFilter;
-
-  // remove invisible characters
-  if (options.stripBlankChar) {
-    html = DEFAULT.stripBlankChar(html);
-  }
-
-  // remove html comments
-  if (!options.allowCommentTag) {
-    html = DEFAULT.stripCommentTag(html);
-  }
-
-  // if enable stripIgnoreTagBody
-  var stripIgnoreTagBody = false;
-  if (options.stripIgnoreTagBody) {
-    var stripIgnoreTagBody = DEFAULT.StripTagBody(
-      options.stripIgnoreTagBody,
-      onIgnoreTag
-    );
-    onIgnoreTag = stripIgnoreTagBody.onIgnoreTag;
-  }
-
-  var retHtml = parseTag(
-    html,
-    function(sourcePosition, position, tag, html, isClosing) {
-      var info = {
-        sourcePosition: sourcePosition,
-        position: position,
-        isClosing: isClosing,
-        isWhite: whiteList.hasOwnProperty(tag)
-      };
-
-      // call `onTag()`
-      var ret = onTag(tag, html, info);
-      if (!isNull(ret)) return ret;
-
-      if (info.isWhite) {
-        if (info.isClosing) {
-          return "</" + tag + ">";
-        }
-
-        var attrs = getAttrs(html);
-        var whiteAttrList = whiteList[tag];
-        var attrsHtml = parseAttr(attrs.html, function(name, value) {
-          // call `onTagAttr()`
-          var isWhiteAttr = _.indexOf(whiteAttrList, name) !== -1;
-          var ret = onTagAttr(tag, name, value, isWhiteAttr);
-          if (!isNull(ret)) return ret;
-
-          if (isWhiteAttr) {
-            // call `safeAttrValue()`
-            value = safeAttrValue(tag, name, value, cssFilter);
-            if (value) {
-              return name + '="' + value + '"';
-            } else {
-              return name;
-            }
-          } else {
-            // call `onIgnoreTagAttr()`
-            var ret = onIgnoreTagAttr(tag, name, value, isWhiteAttr);
-            if (!isNull(ret)) return ret;
-            return;
-          }
-        });
-
-        // build new tag html
-        var html = "<" + tag;
-        if (attrsHtml) html += " " + attrsHtml;
-        if (attrs.closing) html += " /";
-        html += ">";
-        return html;
-      } else {
-        // call `onIgnoreTag()`
-        var ret = onIgnoreTag(tag, html, info);
-        if (!isNull(ret)) return ret;
-        return escapeHtml(html);
-      }
-    },
-    escapeHtml
-  );
-
-  // if enable stripIgnoreTagBody
-  if (stripIgnoreTagBody) {
-    retHtml = stripIgnoreTagBody.remove(retHtml);
-  }
-
-  return retHtml;
-};
-
-module.exports = FilterXSS;
-
-},{"./default":1,"./parser":3,"./util":4,"cssfilter":8}],6:[function(require,module,exports){
-/**
- * cssfilter
- *
- * @author 老雷<leizongmin@gmail.com>
- */
-
-var DEFAULT = require('./default');
-var parseStyle = require('./parser');
-var _ = require('./util');
-
-
-/**
- * 返回值是否为空
- *
- * @param {Object} obj
- * @return {Boolean}
- */
-function isNull (obj) {
-  return (obj === undefined || obj === null);
-}
-
-/**
- * 浅拷贝对象
- *
- * @param {Object} obj
- * @return {Object}
- */
-function shallowCopyObject (obj) {
-  var ret = {};
-  for (var i in obj) {
-    ret[i] = obj[i];
-  }
-  return ret;
-}
-
-/**
- * 创建CSS过滤器
- *
- * @param {Object} options
- *   - {Object} whiteList
- *   - {Function} onAttr
- *   - {Function} onIgnoreAttr
- *   - {Function} safeAttrValue
- */
-function FilterCSS (options) {
-  options = shallowCopyObject(options || {});
-  options.whiteList = options.whiteList || DEFAULT.whiteList;
-  options.onAttr = options.onAttr || DEFAULT.onAttr;
-  options.onIgnoreAttr = options.onIgnoreAttr || DEFAULT.onIgnoreAttr;
-  options.safeAttrValue = options.safeAttrValue || DEFAULT.safeAttrValue;
-  this.options = options;
-}
-
-FilterCSS.prototype.process = function (css) {
-  // 兼容各种奇葩输入
-  css = css || '';
-  css = css.toString();
-  if (!css) return '';
-
-  var me = this;
-  var options = me.options;
-  var whiteList = options.whiteList;
-  var onAttr = options.onAttr;
-  var onIgnoreAttr = options.onIgnoreAttr;
-  var safeAttrValue = options.safeAttrValue;
-
-  var retCSS = parseStyle(css, function (sourcePosition, position, name, value, source) {
-
-    var check = whiteList[name];
-    var isWhite = false;
-    if (check === true) isWhite = check;
-    else if (typeof check === 'function') isWhite = check(value);
-    else if (check instanceof RegExp) isWhite = check.test(value);
-    if (isWhite !== true) isWhite = false;
-
-    // 如果过滤后 value 为空则直接忽略
-    value = safeAttrValue(name, value);
-    if (!value) return;
-
-    var opts = {
-      position: position,
-      sourcePosition: sourcePosition,
-      source: source,
-      isWhite: isWhite
-    };
-
-    if (isWhite) {
-
-      var ret = onAttr(name, value, opts);
-      if (isNull(ret)) {
-        return name + ':' + value;
-      } else {
-        return ret;
-      }
-
-    } else {
-
-      var ret = onIgnoreAttr(name, value, opts);
-      if (!isNull(ret)) {
-        return ret;
-      }
-
-    }
-  });
-
-  return retCSS;
-};
-
-
-module.exports = FilterCSS;
-
-},{"./default":7,"./parser":9,"./util":10}],7:[function(require,module,exports){
-/**
- * cssfilter
- *
- * @author 老雷<leizongmin@gmail.com>
- */
-
-function getDefaultWhiteList () {
-  // 白名单值说明：
-  // true: 允许该属性
-  // Function: function (val) { } 返回true表示允许该属性，其他值均表示不允许
-  // RegExp: regexp.test(val) 返回true表示允许该属性，其他值均表示不允许
-  // 除上面列出的值外均表示不允许
-  var whiteList = {};
-
-  whiteList['align-content'] = false; // default: auto
-  whiteList['align-items'] = false; // default: auto
-  whiteList['align-self'] = false; // default: auto
-  whiteList['alignment-adjust'] = false; // default: auto
-  whiteList['alignment-baseline'] = false; // default: baseline
-  whiteList['all'] = false; // default: depending on individual properties
-  whiteList['anchor-point'] = false; // default: none
-  whiteList['animation'] = false; // default: depending on individual properties
-  whiteList['animation-delay'] = false; // default: 0
-  whiteList['animation-direction'] = false; // default: normal
-  whiteList['animation-duration'] = false; // default: 0
-  whiteList['animation-fill-mode'] = false; // default: none
-  whiteList['animation-iteration-count'] = false; // default: 1
-  whiteList['animation-name'] = false; // default: none
-  whiteList['animation-play-state'] = false; // default: running
-  whiteList['animation-timing-function'] = false; // default: ease
-  whiteList['azimuth'] = false; // default: center
-  whiteList['backface-visibility'] = false; // default: visible
-  whiteList['background'] = true; // default: depending on individual properties
-  whiteList['background-attachment'] = true; // default: scroll
-  whiteList['background-clip'] = true; // default: border-box
-  whiteList['background-color'] = true; // default: transparent
-  whiteList['background-image'] = true; // default: none
-  whiteList['background-origin'] = true; // default: padding-box
-  whiteList['background-position'] = true; // default: 0% 0%
-  whiteList['background-repeat'] = true; // default: repeat
-  whiteList['background-size'] = true; // default: auto
-  whiteList['baseline-shift'] = false; // default: baseline
-  whiteList['binding'] = false; // default: none
-  whiteList['bleed'] = false; // default: 6pt
-  whiteList['bookmark-label'] = false; // default: content()
-  whiteList['bookmark-level'] = false; // default: none
-  whiteList['bookmark-state'] = false; // default: open
-  whiteList['border'] = true; // default: depending on individual properties
-  whiteList['border-bottom'] = true; // default: depending on individual properties
-  whiteList['border-bottom-color'] = true; // default: current color
-  whiteList['border-bottom-left-radius'] = true; // default: 0
-  whiteList['border-bottom-right-radius'] = true; // default: 0
-  whiteList['border-bottom-style'] = true; // default: none
-  whiteList['border-bottom-width'] = true; // default: medium
-  whiteList['border-collapse'] = true; // default: separate
-  whiteList['border-color'] = true; // default: depending on individual properties
-  whiteList['border-image'] = true; // default: none
-  whiteList['border-image-outset'] = true; // default: 0
-  whiteList['border-image-repeat'] = true; // default: stretch
-  whiteList['border-image-slice'] = true; // default: 100%
-  whiteList['border-image-source'] = true; // default: none
-  whiteList['border-image-width'] = true; // default: 1
-  whiteList['border-left'] = true; // default: depending on individual properties
-  whiteList['border-left-color'] = true; // default: current color
-  whiteList['border-left-style'] = true; // default: none
-  whiteList['border-left-width'] = true; // default: medium
-  whiteList['border-radius'] = true; // default: 0
-  whiteList['border-right'] = true; // default: depending on individual properties
-  whiteList['border-right-color'] = true; // default: current color
-  whiteList['border-right-style'] = true; // default: none
-  whiteList['border-right-width'] = true; // default: medium
-  whiteList['border-spacing'] = true; // default: 0
-  whiteList['border-style'] = true; // default: depending on individual properties
-  whiteList['border-top'] = true; // default: depending on individual properties
-  whiteList['border-top-color'] = true; // default: current color
-  whiteList['border-top-left-radius'] = true; // default: 0
-  whiteList['border-top-right-radius'] = true; // default: 0
-  whiteList['border-top-style'] = true; // default: none
-  whiteList['border-top-width'] = true; // default: medium
-  whiteList['border-width'] = true; // default: depending on individual properties
-  whiteList['bottom'] = false; // default: auto
-  whiteList['box-decoration-break'] = true; // default: slice
-  whiteList['box-shadow'] = true; // default: none
-  whiteList['box-sizing'] = true; // default: content-box
-  whiteList['box-snap'] = true; // default: none
-  whiteList['box-suppress'] = true; // default: show
-  whiteList['break-after'] = true; // default: auto
-  whiteList['break-before'] = true; // default: auto
-  whiteList['break-inside'] = true; // default: auto
-  whiteList['caption-side'] = false; // default: top
-  whiteList['chains'] = false; // default: none
-  whiteList['clear'] = true; // default: none
-  whiteList['clip'] = false; // default: auto
-  whiteList['clip-path'] = false; // default: none
-  whiteList['clip-rule'] = false; // default: nonzero
-  whiteList['color'] = true; // default: implementation dependent
-  whiteList['color-interpolation-filters'] = true; // default: auto
-  whiteList['column-count'] = false; // default: auto
-  whiteList['column-fill'] = false; // default: balance
-  whiteList['column-gap'] = false; // default: normal
-  whiteList['column-rule'] = false; // default: depending on individual properties
-  whiteList['column-rule-color'] = false; // default: current color
-  whiteList['column-rule-style'] = false; // default: medium
-  whiteList['column-rule-width'] = false; // default: medium
-  whiteList['column-span'] = false; // default: none
-  whiteList['column-width'] = false; // default: auto
-  whiteList['columns'] = false; // default: depending on individual properties
-  whiteList['contain'] = false; // default: none
-  whiteList['content'] = false; // default: normal
-  whiteList['counter-increment'] = false; // default: none
-  whiteList['counter-reset'] = false; // default: none
-  whiteList['counter-set'] = false; // default: none
-  whiteList['crop'] = false; // default: auto
-  whiteList['cue'] = false; // default: depending on individual properties
-  whiteList['cue-after'] = false; // default: none
-  whiteList['cue-before'] = false; // default: none
-  whiteList['cursor'] = false; // default: auto
-  whiteList['direction'] = false; // default: ltr
-  whiteList['display'] = true; // default: depending on individual properties
-  whiteList['display-inside'] = true; // default: auto
-  whiteList['display-list'] = true; // default: none
-  whiteList['display-outside'] = true; // default: inline-level
-  whiteList['dominant-baseline'] = false; // default: auto
-  whiteList['elevation'] = false; // default: level
-  whiteList['empty-cells'] = false; // default: show
-  whiteList['filter'] = false; // default: none
-  whiteList['flex'] = false; // default: depending on individual properties
-  whiteList['flex-basis'] = false; // default: auto
-  whiteList['flex-direction'] = false; // default: row
-  whiteList['flex-flow'] = false; // default: depending on individual properties
-  whiteList['flex-grow'] = false; // default: 0
-  whiteList['flex-shrink'] = false; // default: 1
-  whiteList['flex-wrap'] = false; // default: nowrap
-  whiteList['float'] = false; // default: none
-  whiteList['float-offset'] = false; // default: 0 0
-  whiteList['flood-color'] = false; // default: black
-  whiteList['flood-opacity'] = false; // default: 1
-  whiteList['flow-from'] = false; // default: none
-  whiteList['flow-into'] = false; // default: none
-  whiteList['font'] = true; // default: depending on individual properties
-  whiteList['font-family'] = true; // default: implementation dependent
-  whiteList['font-feature-settings'] = true; // default: normal
-  whiteList['font-kerning'] = true; // default: auto
-  whiteList['font-language-override'] = true; // default: normal
-  whiteList['font-size'] = true; // default: medium
-  whiteList['font-size-adjust'] = true; // default: none
-  whiteList['font-stretch'] = true; // default: normal
-  whiteList['font-style'] = true; // default: normal
-  whiteList['font-synthesis'] = true; // default: weight style
-  whiteList['font-variant'] = true; // default: normal
-  whiteList['font-variant-alternates'] = true; // default: normal
-  whiteList['font-variant-caps'] = true; // default: normal
-  whiteList['font-variant-east-asian'] = true; // default: normal
-  whiteList['font-variant-ligatures'] = true; // default: normal
-  whiteList['font-variant-numeric'] = true; // default: normal
-  whiteList['font-variant-position'] = true; // default: normal
-  whiteList['font-weight'] = true; // default: normal
-  whiteList['grid'] = false; // default: depending on individual properties
-  whiteList['grid-area'] = false; // default: depending on individual properties
-  whiteList['grid-auto-columns'] = false; // default: auto
-  whiteList['grid-auto-flow'] = false; // default: none
-  whiteList['grid-auto-rows'] = false; // default: auto
-  whiteList['grid-column'] = false; // default: depending on individual properties
-  whiteList['grid-column-end'] = false; // default: auto
-  whiteList['grid-column-start'] = false; // default: auto
-  whiteList['grid-row'] = false; // default: depending on individual properties
-  whiteList['grid-row-end'] = false; // default: auto
-  whiteList['grid-row-start'] = false; // default: auto
-  whiteList['grid-template'] = false; // default: depending on individual properties
-  whiteList['grid-template-areas'] = false; // default: none
-  whiteList['grid-template-columns'] = false; // default: none
-  whiteList['grid-template-rows'] = false; // default: none
-  whiteList['hanging-punctuation'] = false; // default: none
-  whiteList['height'] = true; // default: auto
-  whiteList['hyphens'] = false; // default: manual
-  whiteList['icon'] = false; // default: auto
-  whiteList['image-orientation'] = false; // default: auto
-  whiteList['image-resolution'] = false; // default: normal
-  whiteList['ime-mode'] = false; // default: auto
-  whiteList['initial-letters'] = false; // default: normal
-  whiteList['inline-box-align'] = false; // default: last
-  whiteList['justify-content'] = false; // default: auto
-  whiteList['justify-items'] = false; // default: auto
-  whiteList['justify-self'] = false; // default: auto
-  whiteList['left'] = false; // default: auto
-  whiteList['letter-spacing'] = true; // default: normal
-  whiteList['lighting-color'] = true; // default: white
-  whiteList['line-box-contain'] = false; // default: block inline replaced
-  whiteList['line-break'] = false; // default: auto
-  whiteList['line-grid'] = false; // default: match-parent
-  whiteList['line-height'] = false; // default: normal
-  whiteList['line-snap'] = false; // default: none
-  whiteList['line-stacking'] = false; // default: depending on individual properties
-  whiteList['line-stacking-ruby'] = false; // default: exclude-ruby
-  whiteList['line-stacking-shift'] = false; // default: consider-shifts
-  whiteList['line-stacking-strategy'] = false; // default: inline-line-height
-  whiteList['list-style'] = true; // default: depending on individual properties
-  whiteList['list-style-image'] = true; // default: none
-  whiteList['list-style-position'] = true; // default: outside
-  whiteList['list-style-type'] = true; // default: disc
-  whiteList['margin'] = true; // default: depending on individual properties
-  whiteList['margin-bottom'] = true; // default: 0
-  whiteList['margin-left'] = true; // default: 0
-  whiteList['margin-right'] = true; // default: 0
-  whiteList['margin-top'] = true; // default: 0
-  whiteList['marker-offset'] = false; // default: auto
-  whiteList['marker-side'] = false; // default: list-item
-  whiteList['marks'] = false; // default: none
-  whiteList['mask'] = false; // default: border-box
-  whiteList['mask-box'] = false; // default: see individual properties
-  whiteList['mask-box-outset'] = false; // default: 0
-  whiteList['mask-box-repeat'] = false; // default: stretch
-  whiteList['mask-box-slice'] = false; // default: 0 fill
-  whiteList['mask-box-source'] = false; // default: none
-  whiteList['mask-box-width'] = false; // default: auto
-  whiteList['mask-clip'] = false; // default: border-box
-  whiteList['mask-image'] = false; // default: none
-  whiteList['mask-origin'] = false; // default: border-box
-  whiteList['mask-position'] = false; // default: center
-  whiteList['mask-repeat'] = false; // default: no-repeat
-  whiteList['mask-size'] = false; // default: border-box
-  whiteList['mask-source-type'] = false; // default: auto
-  whiteList['mask-type'] = false; // default: luminance
-  whiteList['max-height'] = true; // default: none
-  whiteList['max-lines'] = false; // default: none
-  whiteList['max-width'] = true; // default: none
-  whiteList['min-height'] = true; // default: 0
-  whiteList['min-width'] = true; // default: 0
-  whiteList['move-to'] = false; // default: normal
-  whiteList['nav-down'] = false; // default: auto
-  whiteList['nav-index'] = false; // default: auto
-  whiteList['nav-left'] = false; // default: auto
-  whiteList['nav-right'] = false; // default: auto
-  whiteList['nav-up'] = false; // default: auto
-  whiteList['object-fit'] = false; // default: fill
-  whiteList['object-position'] = false; // default: 50% 50%
-  whiteList['opacity'] = false; // default: 1
-  whiteList['order'] = false; // default: 0
-  whiteList['orphans'] = false; // default: 2
-  whiteList['outline'] = false; // default: depending on individual properties
-  whiteList['outline-color'] = false; // default: invert
-  whiteList['outline-offset'] = false; // default: 0
-  whiteList['outline-style'] = false; // default: none
-  whiteList['outline-width'] = false; // default: medium
-  whiteList['overflow'] = false; // default: depending on individual properties
-  whiteList['overflow-wrap'] = false; // default: normal
-  whiteList['overflow-x'] = false; // default: visible
-  whiteList['overflow-y'] = false; // default: visible
-  whiteList['padding'] = true; // default: depending on individual properties
-  whiteList['padding-bottom'] = true; // default: 0
-  whiteList['padding-left'] = true; // default: 0
-  whiteList['padding-right'] = true; // default: 0
-  whiteList['padding-top'] = true; // default: 0
-  whiteList['page'] = false; // default: auto
-  whiteList['page-break-after'] = false; // default: auto
-  whiteList['page-break-before'] = false; // default: auto
-  whiteList['page-break-inside'] = false; // default: auto
-  whiteList['page-policy'] = false; // default: start
-  whiteList['pause'] = false; // default: implementation dependent
-  whiteList['pause-after'] = false; // default: implementation dependent
-  whiteList['pause-before'] = false; // default: implementation dependent
-  whiteList['perspective'] = false; // default: none
-  whiteList['perspective-origin'] = false; // default: 50% 50%
-  whiteList['pitch'] = false; // default: medium
-  whiteList['pitch-range'] = false; // default: 50
-  whiteList['play-during'] = false; // default: auto
-  whiteList['position'] = false; // default: static
-  whiteList['presentation-level'] = false; // default: 0
-  whiteList['quotes'] = false; // default: text
-  whiteList['region-fragment'] = false; // default: auto
-  whiteList['resize'] = false; // default: none
-  whiteList['rest'] = false; // default: depending on individual properties
-  whiteList['rest-after'] = false; // default: none
-  whiteList['rest-before'] = false; // default: none
-  whiteList['richness'] = false; // default: 50
-  whiteList['right'] = false; // default: auto
-  whiteList['rotation'] = false; // default: 0
-  whiteList['rotation-point'] = false; // default: 50% 50%
-  whiteList['ruby-align'] = false; // default: auto
-  whiteList['ruby-merge'] = false; // default: separate
-  whiteList['ruby-position'] = false; // default: before
-  whiteList['shape-image-threshold'] = false; // default: 0.0
-  whiteList['shape-outside'] = false; // default: none
-  whiteList['shape-margin'] = false; // default: 0
-  whiteList['size'] = false; // default: auto
-  whiteList['speak'] = false; // default: auto
-  whiteList['speak-as'] = false; // default: normal
-  whiteList['speak-header'] = false; // default: once
-  whiteList['speak-numeral'] = false; // default: continuous
-  whiteList['speak-punctuation'] = false; // default: none
-  whiteList['speech-rate'] = false; // default: medium
-  whiteList['stress'] = false; // default: 50
-  whiteList['string-set'] = false; // default: none
-  whiteList['tab-size'] = false; // default: 8
-  whiteList['table-layout'] = false; // default: auto
-  whiteList['text-align'] = true; // default: start
-  whiteList['text-align-last'] = true; // default: auto
-  whiteList['text-combine-upright'] = true; // default: none
-  whiteList['text-decoration'] = true; // default: none
-  whiteList['text-decoration-color'] = true; // default: currentColor
-  whiteList['text-decoration-line'] = true; // default: none
-  whiteList['text-decoration-skip'] = true; // default: objects
-  whiteList['text-decoration-style'] = true; // default: solid
-  whiteList['text-emphasis'] = true; // default: depending on individual properties
-  whiteList['text-emphasis-color'] = true; // default: currentColor
-  whiteList['text-emphasis-position'] = true; // default: over right
-  whiteList['text-emphasis-style'] = true; // default: none
-  whiteList['text-height'] = true; // default: auto
-  whiteList['text-indent'] = true; // default: 0
-  whiteList['text-justify'] = true; // default: auto
-  whiteList['text-orientation'] = true; // default: mixed
-  whiteList['text-overflow'] = true; // default: clip
-  whiteList['text-shadow'] = true; // default: none
-  whiteList['text-space-collapse'] = true; // default: collapse
-  whiteList['text-transform'] = true; // default: none
-  whiteList['text-underline-position'] = true; // default: auto
-  whiteList['text-wrap'] = true; // default: normal
-  whiteList['top'] = false; // default: auto
-  whiteList['transform'] = false; // default: none
-  whiteList['transform-origin'] = false; // default: 50% 50% 0
-  whiteList['transform-style'] = false; // default: flat
-  whiteList['transition'] = false; // default: depending on individual properties
-  whiteList['transition-delay'] = false; // default: 0s
-  whiteList['transition-duration'] = false; // default: 0s
-  whiteList['transition-property'] = false; // default: all
-  whiteList['transition-timing-function'] = false; // default: ease
-  whiteList['unicode-bidi'] = false; // default: normal
-  whiteList['vertical-align'] = false; // default: baseline
-  whiteList['visibility'] = false; // default: visible
-  whiteList['voice-balance'] = false; // default: center
-  whiteList['voice-duration'] = false; // default: auto
-  whiteList['voice-family'] = false; // default: implementation dependent
-  whiteList['voice-pitch'] = false; // default: medium
-  whiteList['voice-range'] = false; // default: medium
-  whiteList['voice-rate'] = false; // default: normal
-  whiteList['voice-stress'] = false; // default: normal
-  whiteList['voice-volume'] = false; // default: medium
-  whiteList['volume'] = false; // default: medium
-  whiteList['white-space'] = false; // default: normal
-  whiteList['widows'] = false; // default: 2
-  whiteList['width'] = true; // default: auto
-  whiteList['will-change'] = false; // default: auto
-  whiteList['word-break'] = true; // default: normal
-  whiteList['word-spacing'] = true; // default: normal
-  whiteList['word-wrap'] = true; // default: normal
-  whiteList['wrap-flow'] = false; // default: auto
-  whiteList['wrap-through'] = false; // default: wrap
-  whiteList['writing-mode'] = false; // default: horizontal-tb
-  whiteList['z-index'] = false; // default: auto
-
-  return whiteList;
-}
-
-
-/**
- * 匹配到白名单上的一个属性时
- *
- * @param {String} name
- * @param {String} value
- * @param {Object} options
- * @return {String}
- */
-function onAttr (name, value, options) {
-  // do nothing
-}
-
-/**
- * 匹配到不在白名单上的一个属性时
- *
- * @param {String} name
- * @param {String} value
- * @param {Object} options
- * @return {String}
- */
-function onIgnoreAttr (name, value, options) {
-  // do nothing
-}
-
-var REGEXP_URL_JAVASCRIPT = /javascript\s*\:/img;
-
-/**
- * 过滤属性值
- *
- * @param {String} name
- * @param {String} value
- * @return {String}
- */
-function safeAttrValue(name, value) {
-  if (REGEXP_URL_JAVASCRIPT.test(value)) return '';
-  return value;
-}
-
-
-exports.whiteList = getDefaultWhiteList();
-exports.getDefaultWhiteList = getDefaultWhiteList;
-exports.onAttr = onAttr;
-exports.onIgnoreAttr = onIgnoreAttr;
-exports.safeAttrValue = safeAttrValue;
-
-},{}],8:[function(require,module,exports){
-/**
- * cssfilter
- *
- * @author 老雷<leizongmin@gmail.com>
- */
-
-var DEFAULT = require('./default');
-var FilterCSS = require('./css');
-
-
-/**
- * XSS过滤
- *
- * @param {String} css 要过滤的CSS代码
- * @param {Object} options 选项：whiteList, onAttr, onIgnoreAttr
- * @return {String}
- */
-function filterCSS (html, options) {
-  var xss = new FilterCSS(options);
-  return xss.process(html);
-}
-
-
-// 输出
-exports = module.exports = filterCSS;
-exports.FilterCSS = FilterCSS;
-for (var i in DEFAULT) exports[i] = DEFAULT[i];
-
-// 在浏览器端使用
-if (typeof window !== 'undefined') {
-  window.filterCSS = module.exports;
-}
-
-},{"./css":6,"./default":7}],9:[function(require,module,exports){
-/**
- * cssfilter
- *
- * @author 老雷<leizongmin@gmail.com>
- */
-
-var _ = require('./util');
-
-
-/**
- * 解析style
- *
- * @param {String} css
- * @param {Function} onAttr 处理属性的函数
- *   参数格式： function (sourcePosition, position, name, value, source)
- * @return {String}
- */
-function parseStyle (css, onAttr) {
-  css = _.trimRight(css);
-  if (css[css.length - 1] !== ';') css += ';';
-  var cssLength = css.length;
-  var isParenthesisOpen = false;
-  var lastPos = 0;
-  var i = 0;
-  var retCSS = '';
-
-  function addNewAttr () {
-    // 如果没有正常的闭合圆括号，则直接忽略当前属性
-    if (!isParenthesisOpen) {
-      var source = _.trim(css.slice(lastPos, i));
-      var j = source.indexOf(':');
-      if (j !== -1) {
-        var name = _.trim(source.slice(0, j));
-        var value = _.trim(source.slice(j + 1));
-        // 必须有属性名称
-        if (name) {
-          var ret = onAttr(lastPos, retCSS.length, name, value, source);
-          if (ret) retCSS += ret + '; ';
-        }
-      }
-    }
-    lastPos = i + 1;
-  }
-
-  for (; i < cssLength; i++) {
-    var c = css[i];
-    if (c === '/' && css[i + 1] === '*') {
-      // 备注开始
-      var j = css.indexOf('*/', i + 2);
-      // 如果没有正常的备注结束，则后面的部分全部跳过
-      if (j === -1) break;
-      // 直接将当前位置调到备注结尾，并且初始化状态
-      i = j + 1;
-      lastPos = i + 1;
-      isParenthesisOpen = false;
-    } else if (c === '(') {
-      isParenthesisOpen = true;
-    } else if (c === ')') {
-      isParenthesisOpen = false;
-    } else if (c === ';') {
-      if (isParenthesisOpen) {
-        // 在圆括号里面，忽略
-      } else {
-        addNewAttr();
-      }
-    } else if (c === '\n') {
-      addNewAttr();
-    }
-  }
-
-  return _.trim(retCSS);
-}
-
-module.exports = parseStyle;
-
-},{"./util":10}],10:[function(require,module,exports){
-module.exports = {
-  indexOf: function (arr, item) {
-    var i, j;
-    if (Array.prototype.indexOf) {
-      return arr.indexOf(item);
-    }
-    for (i = 0, j = arr.length; i < j; i++) {
-      if (arr[i] === item) {
-        return i;
-      }
-    }
-    return -1;
-  },
-  forEach: function (arr, fn, scope) {
-    var i, j;
-    if (Array.prototype.forEach) {
-      return arr.forEach(fn, scope);
-    }
-    for (i = 0, j = arr.length; i < j; i++) {
-      fn.call(scope, arr[i], i, arr);
-    }
-  },
-  trim: function (str) {
-    if (String.prototype.trim) {
-      return str.trim();
-    }
-    return str.replace(/(^\s*)|(\s*$)/g, '');
-  },
-  trimRight: function (str) {
-    if (String.prototype.trimRight) {
-      return str.trimRight();
-    }
-    return str.replace(/(\s*$)/g, '');
-  }
-};
-
-},{}]},{},[2]);
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){var FilterCSS=require("cssfilter").FilterCSS;var getDefaultCSSWhiteList=require("cssfilter").getDefaultWhiteList;var _=require("./util");function getDefaultWhiteList(){return{a:["target","href","title"],abbr:["title"],address:[],area:["shape","coords","href","alt"],article:[],aside:[],audio:["autoplay","controls","loop","preload","src"],b:[],bdi:["dir"],bdo:["dir"],big:[],blockquote:["cite"],br:[],caption:[],center:[],cite:[],code:[],col:["align","valign","span","width"],colgroup:["align","valign","span","width"],dd:[],del:["datetime"],details:["open"],div:[],dl:[],dt:[],em:[],font:["color","size","face"],footer:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],header:[],hr:[],i:[],img:["src","alt","title","width","height"],ins:["datetime"],li:[],mark:[],nav:[],ol:[],p:[],pre:[],s:[],section:[],small:[],span:[],sub:[],sup:[],strong:[],table:["width","border","align","valign"],tbody:["align","valign"],td:["width","rowspan","colspan","align","valign"],tfoot:["align","valign"],th:["width","rowspan","colspan","align","valign"],thead:["align","valign"],tr:["rowspan","align","valign"],tt:[],u:[],ul:[],video:["autoplay","controls","loop","preload","src","height","width"]};}
+var defaultCSSFilter=new FilterCSS();function onTag(tag,html,options){}
+function onIgnoreTag(tag,html,options){}
+function onTagAttr(tag,name,value){}
+function onIgnoreTagAttr(tag,name,value){}
+function escapeHtml(html){return html.replace(REGEXP_LT,"&lt;").replace(REGEXP_GT,"&gt;");}
+function safeAttrValue(tag,name,value,cssFilter){value=friendlyAttrValue(value);if(name==="href"||name==="src"){value=_.trim(value);if(value==="#")return"#";if(!(value.substr(0,7)==="http://"||value.substr(0,8)==="https://"||value.substr(0,6)==="ftp://"||value.substr(0,7)==="mailto:"||value.substr(0,4)==="tel:"||value.substr(0,11)==="data:image/"||value.substr(0,2)==="./"||value.substr(0,3)==="../"||value[0]==="#"||value[0]==="/")){return"";}}else if(name==="background"){REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)){return"";}}else if(name==="style"){REGEXP_DEFAULT_ON_TAG_ATTR_7.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_7.test(value)){return"";}
+REGEXP_DEFAULT_ON_TAG_ATTR_8.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_8.test(value)){REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)){return"";}}
+if(cssFilter!==false){cssFilter=cssFilter||defaultCSSFilter;value=cssFilter.process(value);}}
+value=escapeAttrValue(value);return value;}
+var REGEXP_LT=/</g;var REGEXP_GT=/>/g;var REGEXP_QUOTE=/"/g;var REGEXP_QUOTE_2=/&quot;/g;var REGEXP_ATTR_VALUE_1=/&#([a-zA-Z0-9]*);?/gim;var REGEXP_ATTR_VALUE_COLON=/&colon;?/gim;var REGEXP_ATTR_VALUE_NEWLINE=/&newline;?/gim;var REGEXP_DEFAULT_ON_TAG_ATTR_3=/\/\*|\*\//gm;var REGEXP_DEFAULT_ON_TAG_ATTR_4=/((j\s*a\s*v\s*a|v\s*b|l\s*i\s*v\s*e)\s*s\s*c\s*r\s*i\s*p\s*t\s*|m\s*o\s*c\s*h\s*a)\:/gi;var REGEXP_DEFAULT_ON_TAG_ATTR_5=/^[\s"'`]*(d\s*a\s*t\s*a\s*)\:/gi;var REGEXP_DEFAULT_ON_TAG_ATTR_6=/^[\s"'`]*(d\s*a\s*t\s*a\s*)\:\s*image\//gi;var REGEXP_DEFAULT_ON_TAG_ATTR_7=/e\s*x\s*p\s*r\s*e\s*s\s*s\s*i\s*o\s*n\s*\(.*/gi;var REGEXP_DEFAULT_ON_TAG_ATTR_8=/u\s*r\s*l\s*\(.*/gi;function escapeQuote(str){return str.replace(REGEXP_QUOTE,"&quot;");}
+function unescapeQuote(str){return str.replace(REGEXP_QUOTE_2,'"');}
+function escapeHtmlEntities(str){return str.replace(REGEXP_ATTR_VALUE_1,function replaceUnicode(str,code){return code[0]==="x"||code[0]==="X"?String.fromCharCode(parseInt(code.substr(1),16)):String.fromCharCode(parseInt(code,10));});}
+function escapeDangerHtml5Entities(str){return str.replace(REGEXP_ATTR_VALUE_COLON,":").replace(REGEXP_ATTR_VALUE_NEWLINE," ");}
+function clearNonPrintableCharacter(str){var str2="";for(var i=0,len=str.length;i<len;i++){str2+=str.charCodeAt(i)<32?" ":str.charAt(i);}
+return _.trim(str2);}
+function friendlyAttrValue(str){str=unescapeQuote(str);str=escapeHtmlEntities(str);str=escapeDangerHtml5Entities(str);str=clearNonPrintableCharacter(str);return str;}
+function escapeAttrValue(str){str=escapeQuote(str);str=escapeHtml(str);return str;}
+function onIgnoreTagStripAll(){return"";}
+function StripTagBody(tags,next){if(typeof next!=="function"){next=function(){};}
+var isRemoveAllTag=!Array.isArray(tags);function isRemoveTag(tag){if(isRemoveAllTag)return true;return _.indexOf(tags,tag)!==-1;}
+var removeList=[];var posStart=false;return{onIgnoreTag:function(tag,html,options){if(isRemoveTag(tag)){if(options.isClosing){var ret="[/removed]";var end=options.position+ret.length;removeList.push([posStart!==false?posStart:options.position,end]);posStart=false;return ret;}else{if(!posStart){posStart=options.position;}
+return"[removed]";}}else{return next(tag,html,options);}},remove:function(html){var rethtml="";var lastPos=0;_.forEach(removeList,function(pos){rethtml+=html.slice(lastPos,pos[0]);lastPos=pos[1];});rethtml+=html.slice(lastPos);return rethtml;}};}
+function stripCommentTag(html){return html.replace(STRIP_COMMENT_TAG_REGEXP,"");}
+var STRIP_COMMENT_TAG_REGEXP=/<!--[\s\S]*?-->/g;function stripBlankChar(html){var chars=html.split("");chars=chars.filter(function(char){var c=char.charCodeAt(0);if(c===127)return false;if(c<=31){if(c===10||c===13)return true;return false;}
+return true;});return chars.join("");}
+exports.whiteList=getDefaultWhiteList();exports.getDefaultWhiteList=getDefaultWhiteList;exports.onTag=onTag;exports.onIgnoreTag=onIgnoreTag;exports.onTagAttr=onTagAttr;exports.onIgnoreTagAttr=onIgnoreTagAttr;exports.safeAttrValue=safeAttrValue;exports.escapeHtml=escapeHtml;exports.escapeQuote=escapeQuote;exports.unescapeQuote=unescapeQuote;exports.escapeHtmlEntities=escapeHtmlEntities;exports.escapeDangerHtml5Entities=escapeDangerHtml5Entities;exports.clearNonPrintableCharacter=clearNonPrintableCharacter;exports.friendlyAttrValue=friendlyAttrValue;exports.escapeAttrValue=escapeAttrValue;exports.onIgnoreTagStripAll=onIgnoreTagStripAll;exports.StripTagBody=StripTagBody;exports.stripCommentTag=stripCommentTag;exports.stripBlankChar=stripBlankChar;exports.cssFilter=defaultCSSFilter;exports.getDefaultCSSWhiteList=getDefaultCSSWhiteList;},{"./util":4,"cssfilter":8}],2:[function(require,module,exports){var DEFAULT=require("./default");var parser=require("./parser");var FilterXSS=require("./xss");function filterXSS(html,options){var xss=new FilterXSS(options);return xss.process(html);}
+exports=module.exports=filterXSS;exports.filterXSS=filterXSS;exports.FilterXSS=FilterXSS;for(var i in DEFAULT)exports[i]=DEFAULT[i];for(var i in parser)exports[i]=parser[i];if(typeof window!=="undefined"){window.filterXSS=module.exports;}
+function isWorkerEnv(){return typeof self!=='undefined'&&typeof DedicatedWorkerGlobalScope!=='undefined'&&self instanceof DedicatedWorkerGlobalScope;}
+if(isWorkerEnv()){self.filterXSS=module.exports;}},{"./default":1,"./parser":3,"./xss":5}],3:[function(require,module,exports){var _=require("./util");function getTagName(html){var i=_.spaceIndex(html);if(i===-1){var tagName=html.slice(1,-1);}else{var tagName=html.slice(1,i+1);}
+tagName=_.trim(tagName).toLowerCase();if(tagName.slice(0,1)==="/")tagName=tagName.slice(1);if(tagName.slice(-1)==="/")tagName=tagName.slice(0,-1);return tagName;}
+function isClosing(html){return html.slice(0,2)==="</";}
+function parseTag(html,onTag,escapeHtml){"use strict";var rethtml="";var lastPos=0;var tagStart=false;var quoteStart=false;var currentPos=0;var len=html.length;var currentTagName="";var currentHtml="";for(currentPos=0;currentPos<len;currentPos++){var c=html.charAt(currentPos);if(tagStart===false){if(c==="<"){tagStart=currentPos;continue;}}else{if(quoteStart===false){if(c==="<"){rethtml+=escapeHtml(html.slice(lastPos,currentPos));tagStart=currentPos;lastPos=currentPos;continue;}
+if(c===">"){rethtml+=escapeHtml(html.slice(lastPos,tagStart));currentHtml=html.slice(tagStart,currentPos+1);currentTagName=getTagName(currentHtml);rethtml+=onTag(tagStart,rethtml.length,currentTagName,currentHtml,isClosing(currentHtml));lastPos=currentPos+1;tagStart=false;continue;}
+if((c==='"'||c==="'")&&html.charAt(currentPos-1)==="="){quoteStart=c;continue;}}else{if(c===quoteStart){quoteStart=false;continue;}}}}
+if(lastPos<html.length){rethtml+=escapeHtml(html.substr(lastPos));}
+return rethtml;}
+var REGEXP_ILLEGAL_ATTR_NAME=/[^a-zA-Z0-9_:\.\-]/gim;function parseAttr(html,onAttr){"use strict";var lastPos=0;var retAttrs=[];var tmpName=false;var len=html.length;function addAttr(name,value){name=_.trim(name);name=name.replace(REGEXP_ILLEGAL_ATTR_NAME,"").toLowerCase();if(name.length<1)return;var ret=onAttr(name,value||"");if(ret)retAttrs.push(ret);}
+for(var i=0;i<len;i++){var c=html.charAt(i);var v,j;if(tmpName===false&&c==="="){tmpName=html.slice(lastPos,i);lastPos=i+1;continue;}
+if(tmpName!==false){if(i===lastPos&&(c==='"'||c==="'")&&html.charAt(i-1)==="="){j=html.indexOf(c,i+1);if(j===-1){break;}else{v=_.trim(html.slice(lastPos+1,j));addAttr(tmpName,v);tmpName=false;i=j;lastPos=i+1;continue;}}}
+if(/\s|\n|\t/.test(c)){html=html.replace(/\s|\n|\t/g," ");if(tmpName===false){j=findNextEqual(html,i);if(j===-1){v=_.trim(html.slice(lastPos,i));addAttr(v);tmpName=false;lastPos=i+1;continue;}else{i=j-1;continue;}}else{j=findBeforeEqual(html,i-1);if(j===-1){v=_.trim(html.slice(lastPos,i));v=stripQuoteWrap(v);addAttr(tmpName,v);tmpName=false;lastPos=i+1;continue;}else{continue;}}}}
+if(lastPos<html.length){if(tmpName===false){addAttr(html.slice(lastPos));}else{addAttr(tmpName,stripQuoteWrap(_.trim(html.slice(lastPos))));}}
+return _.trim(retAttrs.join(" "));}
+function findNextEqual(str,i){for(;i<str.length;i++){var c=str[i];if(c===" ")continue;if(c==="=")return i;return-1;}}
+function findBeforeEqual(str,i){for(;i>0;i--){var c=str[i];if(c===" ")continue;if(c==="=")return i;return-1;}}
+function isQuoteWrapString(text){if((text[0]==='"'&&text[text.length-1]==='"')||(text[0]==="'"&&text[text.length-1]==="'")){return true;}else{return false;}}
+function stripQuoteWrap(text){if(isQuoteWrapString(text)){return text.substr(1,text.length-2);}else{return text;}}
+exports.parseTag=parseTag;exports.parseAttr=parseAttr;},{"./util":4}],4:[function(require,module,exports){module.exports={indexOf:function(arr,item){var i,j;if(Array.prototype.indexOf){return arr.indexOf(item);}
+for(i=0,j=arr.length;i<j;i++){if(arr[i]===item){return i;}}
+return-1;},forEach:function(arr,fn,scope){var i,j;if(Array.prototype.forEach){return arr.forEach(fn,scope);}
+for(i=0,j=arr.length;i<j;i++){fn.call(scope,arr[i],i,arr);}},trim:function(str){if(String.prototype.trim){return str.trim();}
+return str.replace(/(^\s*)|(\s*$)/g,"");},spaceIndex:function(str){var reg=/\s|\n|\t/;var match=reg.exec(str);return match?match.index:-1;}};},{}],5:[function(require,module,exports){var FilterCSS=require("cssfilter").FilterCSS;var DEFAULT=require("./default");var parser=require("./parser");var parseTag=parser.parseTag;var parseAttr=parser.parseAttr;var _=require("./util");function isNull(obj){return obj===undefined||obj===null;}
+function getAttrs(html){var i=_.spaceIndex(html);if(i===-1){return{html:"",closing:html[html.length-2]==="/"};}
+html=_.trim(html.slice(i+1,-1));var isClosing=html[html.length-1]==="/";if(isClosing)html=_.trim(html.slice(0,-1));return{html:html,closing:isClosing};}
+function shallowCopyObject(obj){var ret={};for(var i in obj){ret[i]=obj[i];}
+return ret;}
+function FilterXSS(options){options=shallowCopyObject(options||{});if(options.stripIgnoreTag){if(options.onIgnoreTag){console.error('Notes: cannot use these two options "stripIgnoreTag" and "onIgnoreTag" at the same time');}
+options.onIgnoreTag=DEFAULT.onIgnoreTagStripAll;}
+options.whiteList=options.whiteList||DEFAULT.whiteList;options.onTag=options.onTag||DEFAULT.onTag;options.onTagAttr=options.onTagAttr||DEFAULT.onTagAttr;options.onIgnoreTag=options.onIgnoreTag||DEFAULT.onIgnoreTag;options.onIgnoreTagAttr=options.onIgnoreTagAttr||DEFAULT.onIgnoreTagAttr;options.safeAttrValue=options.safeAttrValue||DEFAULT.safeAttrValue;options.escapeHtml=options.escapeHtml||DEFAULT.escapeHtml;this.options=options;if(options.css===false){this.cssFilter=false;}else{options.css=options.css||{};this.cssFilter=new FilterCSS(options.css);}}
+FilterXSS.prototype.process=function(html){html=html||"";html=html.toString();if(!html)return"";var me=this;var options=me.options;var whiteList=options.whiteList;var onTag=options.onTag;var onIgnoreTag=options.onIgnoreTag;var onTagAttr=options.onTagAttr;var onIgnoreTagAttr=options.onIgnoreTagAttr;var safeAttrValue=options.safeAttrValue;var escapeHtml=options.escapeHtml;var cssFilter=me.cssFilter;if(options.stripBlankChar){html=DEFAULT.stripBlankChar(html);}
+if(!options.allowCommentTag){html=DEFAULT.stripCommentTag(html);}
+var stripIgnoreTagBody=false;if(options.stripIgnoreTagBody){var stripIgnoreTagBody=DEFAULT.StripTagBody(options.stripIgnoreTagBody,onIgnoreTag);onIgnoreTag=stripIgnoreTagBody.onIgnoreTag;}
+var retHtml=parseTag(html,function(sourcePosition,position,tag,html,isClosing){var info={sourcePosition:sourcePosition,position:position,isClosing:isClosing,isWhite:whiteList.hasOwnProperty(tag)};var ret=onTag(tag,html,info);if(!isNull(ret))return ret;if(info.isWhite){if(info.isClosing){return"</"+tag+">";}
+var attrs=getAttrs(html);var whiteAttrList=whiteList[tag];var attrsHtml=parseAttr(attrs.html,function(name,value){var isWhiteAttr=_.indexOf(whiteAttrList,name)!==-1;var ret=onTagAttr(tag,name,value,isWhiteAttr);if(!isNull(ret))return ret;if(isWhiteAttr){value=safeAttrValue(tag,name,value,cssFilter);if(value){return name+'="'+value+'"';}else{return name;}}else{var ret=onIgnoreTagAttr(tag,name,value,isWhiteAttr);if(!isNull(ret))return ret;return;}});var html="<"+tag;if(attrsHtml)html+=" "+attrsHtml;if(attrs.closing)html+=" /";html+=">";return html;}else{var ret=onIgnoreTag(tag,html,info);if(!isNull(ret))return ret;return escapeHtml(html);}},escapeHtml);if(stripIgnoreTagBody){retHtml=stripIgnoreTagBody.remove(retHtml);}
+return retHtml;};module.exports=FilterXSS;},{"./default":1,"./parser":3,"./util":4,"cssfilter":8}],6:[function(require,module,exports){var DEFAULT=require('./default');var parseStyle=require('./parser');var _=require('./util');function isNull(obj){return(obj===undefined||obj===null);}
+function shallowCopyObject(obj){var ret={};for(var i in obj){ret[i]=obj[i];}
+return ret;}
+function FilterCSS(options){options=shallowCopyObject(options||{});options.whiteList=options.whiteList||DEFAULT.whiteList;options.onAttr=options.onAttr||DEFAULT.onAttr;options.onIgnoreAttr=options.onIgnoreAttr||DEFAULT.onIgnoreAttr;options.safeAttrValue=options.safeAttrValue||DEFAULT.safeAttrValue;this.options=options;}
+FilterCSS.prototype.process=function(css){css=css||'';css=css.toString();if(!css)return'';var me=this;var options=me.options;var whiteList=options.whiteList;var onAttr=options.onAttr;var onIgnoreAttr=options.onIgnoreAttr;var safeAttrValue=options.safeAttrValue;var retCSS=parseStyle(css,function(sourcePosition,position,name,value,source){var check=whiteList[name];var isWhite=false;if(check===true)isWhite=check;else if(typeof check==='function')isWhite=check(value);else if(check instanceof RegExp)isWhite=check.test(value);if(isWhite!==true)isWhite=false;value=safeAttrValue(name,value);if(!value)return;var opts={position:position,sourcePosition:sourcePosition,source:source,isWhite:isWhite};if(isWhite){var ret=onAttr(name,value,opts);if(isNull(ret)){return name+':'+value;}else{return ret;}}else{var ret=onIgnoreAttr(name,value,opts);if(!isNull(ret)){return ret;}}});return retCSS;};module.exports=FilterCSS;},{"./default":7,"./parser":9,"./util":10}],7:[function(require,module,exports){function getDefaultWhiteList(){var whiteList={};whiteList['align-content']=false;whiteList['align-items']=false;whiteList['align-self']=false;whiteList['alignment-adjust']=false;whiteList['alignment-baseline']=false;whiteList['all']=false;whiteList['anchor-point']=false;whiteList['animation']=false;whiteList['animation-delay']=false;whiteList['animation-direction']=false;whiteList['animation-duration']=false;whiteList['animation-fill-mode']=false;whiteList['animation-iteration-count']=false;whiteList['animation-name']=false;whiteList['animation-play-state']=false;whiteList['animation-timing-function']=false;whiteList['azimuth']=false;whiteList['backface-visibility']=false;whiteList['background']=true;whiteList['background-attachment']=true;whiteList['background-clip']=true;whiteList['background-color']=true;whiteList['background-image']=true;whiteList['background-origin']=true;whiteList['background-position']=true;whiteList['background-repeat']=true;whiteList['background-size']=true;whiteList['baseline-shift']=false;whiteList['binding']=false;whiteList['bleed']=false;whiteList['bookmark-label']=false;whiteList['bookmark-level']=false;whiteList['bookmark-state']=false;whiteList['border']=true;whiteList['border-bottom']=true;whiteList['border-bottom-color']=true;whiteList['border-bottom-left-radius']=true;whiteList['border-bottom-right-radius']=true;whiteList['border-bottom-style']=true;whiteList['border-bottom-width']=true;whiteList['border-collapse']=true;whiteList['border-color']=true;whiteList['border-image']=true;whiteList['border-image-outset']=true;whiteList['border-image-repeat']=true;whiteList['border-image-slice']=true;whiteList['border-image-source']=true;whiteList['border-image-width']=true;whiteList['border-left']=true;whiteList['border-left-color']=true;whiteList['border-left-style']=true;whiteList['border-left-width']=true;whiteList['border-radius']=true;whiteList['border-right']=true;whiteList['border-right-color']=true;whiteList['border-right-style']=true;whiteList['border-right-width']=true;whiteList['border-spacing']=true;whiteList['border-style']=true;whiteList['border-top']=true;whiteList['border-top-color']=true;whiteList['border-top-left-radius']=true;whiteList['border-top-right-radius']=true;whiteList['border-top-style']=true;whiteList['border-top-width']=true;whiteList['border-width']=true;whiteList['bottom']=false;whiteList['box-decoration-break']=true;whiteList['box-shadow']=true;whiteList['box-sizing']=true;whiteList['box-snap']=true;whiteList['box-suppress']=true;whiteList['break-after']=true;whiteList['break-before']=true;whiteList['break-inside']=true;whiteList['caption-side']=false;whiteList['chains']=false;whiteList['clear']=true;whiteList['clip']=false;whiteList['clip-path']=false;whiteList['clip-rule']=false;whiteList['color']=true;whiteList['color-interpolation-filters']=true;whiteList['column-count']=false;whiteList['column-fill']=false;whiteList['column-gap']=false;whiteList['column-rule']=false;whiteList['column-rule-color']=false;whiteList['column-rule-style']=false;whiteList['column-rule-width']=false;whiteList['column-span']=false;whiteList['column-width']=false;whiteList['columns']=false;whiteList['contain']=false;whiteList['content']=false;whiteList['counter-increment']=false;whiteList['counter-reset']=false;whiteList['counter-set']=false;whiteList['crop']=false;whiteList['cue']=false;whiteList['cue-after']=false;whiteList['cue-before']=false;whiteList['cursor']=false;whiteList['direction']=false;whiteList['display']=true;whiteList['display-inside']=true;whiteList['display-list']=true;whiteList['display-outside']=true;whiteList['dominant-baseline']=false;whiteList['elevation']=false;whiteList['empty-cells']=false;whiteList['filter']=false;whiteList['flex']=false;whiteList['flex-basis']=false;whiteList['flex-direction']=false;whiteList['flex-flow']=false;whiteList['flex-grow']=false;whiteList['flex-shrink']=false;whiteList['flex-wrap']=false;whiteList['float']=false;whiteList['float-offset']=false;whiteList['flood-color']=false;whiteList['flood-opacity']=false;whiteList['flow-from']=false;whiteList['flow-into']=false;whiteList['font']=true;whiteList['font-family']=true;whiteList['font-feature-settings']=true;whiteList['font-kerning']=true;whiteList['font-language-override']=true;whiteList['font-size']=true;whiteList['font-size-adjust']=true;whiteList['font-stretch']=true;whiteList['font-style']=true;whiteList['font-synthesis']=true;whiteList['font-variant']=true;whiteList['font-variant-alternates']=true;whiteList['font-variant-caps']=true;whiteList['font-variant-east-asian']=true;whiteList['font-variant-ligatures']=true;whiteList['font-variant-numeric']=true;whiteList['font-variant-position']=true;whiteList['font-weight']=true;whiteList['grid']=false;whiteList['grid-area']=false;whiteList['grid-auto-columns']=false;whiteList['grid-auto-flow']=false;whiteList['grid-auto-rows']=false;whiteList['grid-column']=false;whiteList['grid-column-end']=false;whiteList['grid-column-start']=false;whiteList['grid-row']=false;whiteList['grid-row-end']=false;whiteList['grid-row-start']=false;whiteList['grid-template']=false;whiteList['grid-template-areas']=false;whiteList['grid-template-columns']=false;whiteList['grid-template-rows']=false;whiteList['hanging-punctuation']=false;whiteList['height']=true;whiteList['hyphens']=false;whiteList['icon']=false;whiteList['image-orientation']=false;whiteList['image-resolution']=false;whiteList['ime-mode']=false;whiteList['initial-letters']=false;whiteList['inline-box-align']=false;whiteList['justify-content']=false;whiteList['justify-items']=false;whiteList['justify-self']=false;whiteList['left']=false;whiteList['letter-spacing']=true;whiteList['lighting-color']=true;whiteList['line-box-contain']=false;whiteList['line-break']=false;whiteList['line-grid']=false;whiteList['line-height']=false;whiteList['line-snap']=false;whiteList['line-stacking']=false;whiteList['line-stacking-ruby']=false;whiteList['line-stacking-shift']=false;whiteList['line-stacking-strategy']=false;whiteList['list-style']=true;whiteList['list-style-image']=true;whiteList['list-style-position']=true;whiteList['list-style-type']=true;whiteList['margin']=true;whiteList['margin-bottom']=true;whiteList['margin-left']=true;whiteList['margin-right']=true;whiteList['margin-top']=true;whiteList['marker-offset']=false;whiteList['marker-side']=false;whiteList['marks']=false;whiteList['mask']=false;whiteList['mask-box']=false;whiteList['mask-box-outset']=false;whiteList['mask-box-repeat']=false;whiteList['mask-box-slice']=false;whiteList['mask-box-source']=false;whiteList['mask-box-width']=false;whiteList['mask-clip']=false;whiteList['mask-image']=false;whiteList['mask-origin']=false;whiteList['mask-position']=false;whiteList['mask-repeat']=false;whiteList['mask-size']=false;whiteList['mask-source-type']=false;whiteList['mask-type']=false;whiteList['max-height']=true;whiteList['max-lines']=false;whiteList['max-width']=true;whiteList['min-height']=true;whiteList['min-width']=true;whiteList['move-to']=false;whiteList['nav-down']=false;whiteList['nav-index']=false;whiteList['nav-left']=false;whiteList['nav-right']=false;whiteList['nav-up']=false;whiteList['object-fit']=false;whiteList['object-position']=false;whiteList['opacity']=false;whiteList['order']=false;whiteList['orphans']=false;whiteList['outline']=false;whiteList['outline-color']=false;whiteList['outline-offset']=false;whiteList['outline-style']=false;whiteList['outline-width']=false;whiteList['overflow']=false;whiteList['overflow-wrap']=false;whiteList['overflow-x']=false;whiteList['overflow-y']=false;whiteList['padding']=true;whiteList['padding-bottom']=true;whiteList['padding-left']=true;whiteList['padding-right']=true;whiteList['padding-top']=true;whiteList['page']=false;whiteList['page-break-after']=false;whiteList['page-break-before']=false;whiteList['page-break-inside']=false;whiteList['page-policy']=false;whiteList['pause']=false;whiteList['pause-after']=false;whiteList['pause-before']=false;whiteList['perspective']=false;whiteList['perspective-origin']=false;whiteList['pitch']=false;whiteList['pitch-range']=false;whiteList['play-during']=false;whiteList['position']=false;whiteList['presentation-level']=false;whiteList['quotes']=false;whiteList['region-fragment']=false;whiteList['resize']=false;whiteList['rest']=false;whiteList['rest-after']=false;whiteList['rest-before']=false;whiteList['richness']=false;whiteList['right']=false;whiteList['rotation']=false;whiteList['rotation-point']=false;whiteList['ruby-align']=false;whiteList['ruby-merge']=false;whiteList['ruby-position']=false;whiteList['shape-image-threshold']=false;whiteList['shape-outside']=false;whiteList['shape-margin']=false;whiteList['size']=false;whiteList['speak']=false;whiteList['speak-as']=false;whiteList['speak-header']=false;whiteList['speak-numeral']=false;whiteList['speak-punctuation']=false;whiteList['speech-rate']=false;whiteList['stress']=false;whiteList['string-set']=false;whiteList['tab-size']=false;whiteList['table-layout']=false;whiteList['text-align']=true;whiteList['text-align-last']=true;whiteList['text-combine-upright']=true;whiteList['text-decoration']=true;whiteList['text-decoration-color']=true;whiteList['text-decoration-line']=true;whiteList['text-decoration-skip']=true;whiteList['text-decoration-style']=true;whiteList['text-emphasis']=true;whiteList['text-emphasis-color']=true;whiteList['text-emphasis-position']=true;whiteList['text-emphasis-style']=true;whiteList['text-height']=true;whiteList['text-indent']=true;whiteList['text-justify']=true;whiteList['text-orientation']=true;whiteList['text-overflow']=true;whiteList['text-shadow']=true;whiteList['text-space-collapse']=true;whiteList['text-transform']=true;whiteList['text-underline-position']=true;whiteList['text-wrap']=true;whiteList['top']=false;whiteList['transform']=false;whiteList['transform-origin']=false;whiteList['transform-style']=false;whiteList['transition']=false;whiteList['transition-delay']=false;whiteList['transition-duration']=false;whiteList['transition-property']=false;whiteList['transition-timing-function']=false;whiteList['unicode-bidi']=false;whiteList['vertical-align']=false;whiteList['visibility']=false;whiteList['voice-balance']=false;whiteList['voice-duration']=false;whiteList['voice-family']=false;whiteList['voice-pitch']=false;whiteList['voice-range']=false;whiteList['voice-rate']=false;whiteList['voice-stress']=false;whiteList['voice-volume']=false;whiteList['volume']=false;whiteList['white-space']=false;whiteList['widows']=false;whiteList['width']=true;whiteList['will-change']=false;whiteList['word-break']=true;whiteList['word-spacing']=true;whiteList['word-wrap']=true;whiteList['wrap-flow']=false;whiteList['wrap-through']=false;whiteList['writing-mode']=false;whiteList['z-index']=false;return whiteList;}
+function onAttr(name,value,options){}
+function onIgnoreAttr(name,value,options){}
+var REGEXP_URL_JAVASCRIPT=/javascript\s*\:/img;function safeAttrValue(name,value){if(REGEXP_URL_JAVASCRIPT.test(value))return'';return value;}
+exports.whiteList=getDefaultWhiteList();exports.getDefaultWhiteList=getDefaultWhiteList;exports.onAttr=onAttr;exports.onIgnoreAttr=onIgnoreAttr;exports.safeAttrValue=safeAttrValue;},{}],8:[function(require,module,exports){var DEFAULT=require('./default');var FilterCSS=require('./css');function filterCSS(html,options){var xss=new FilterCSS(options);return xss.process(html);}
+exports=module.exports=filterCSS;exports.FilterCSS=FilterCSS;for(var i in DEFAULT)exports[i]=DEFAULT[i];if(typeof window!=='undefined'){window.filterCSS=module.exports;}},{"./css":6,"./default":7}],9:[function(require,module,exports){var _=require('./util');function parseStyle(css,onAttr){css=_.trimRight(css);if(css[css.length-1]!==';')css+=';';var cssLength=css.length;var isParenthesisOpen=false;var lastPos=0;var i=0;var retCSS='';function addNewAttr(){if(!isParenthesisOpen){var source=_.trim(css.slice(lastPos,i));var j=source.indexOf(':');if(j!==-1){var name=_.trim(source.slice(0,j));var value=_.trim(source.slice(j+1));if(name){var ret=onAttr(lastPos,retCSS.length,name,value,source);if(ret)retCSS+=ret+'; ';}}}
+lastPos=i+1;}
+for(;i<cssLength;i++){var c=css[i];if(c==='/'&&css[i+1]==='*'){var j=css.indexOf('*/',i+2);if(j===-1)break;i=j+1;lastPos=i+1;isParenthesisOpen=false;}else if(c==='('){isParenthesisOpen=true;}else if(c===')'){isParenthesisOpen=false;}else if(c===';'){if(isParenthesisOpen){}else{addNewAttr();}}else if(c==='\n'){addNewAttr();}}
+return _.trim(retCSS);}
+module.exports=parseStyle;},{"./util":10}],10:[function(require,module,exports){module.exports={indexOf:function(arr,item){var i,j;if(Array.prototype.indexOf){return arr.indexOf(item);}
+for(i=0,j=arr.length;i<j;i++){if(arr[i]===item){return i;}}
+return-1;},forEach:function(arr,fn,scope){var i,j;if(Array.prototype.forEach){return arr.forEach(fn,scope);}
+for(i=0,j=arr.length;i<j;i++){fn.call(scope,arr[i],i,arr);}},trim:function(str){if(String.prototype.trim){return str.trim();}
+return str.replace(/(^\s*)|(\s*$)/g,'');},trimRight:function(str){if(String.prototype.trimRight){return str.trimRight();}
+return str.replace(/(\s*$)/g,'');}};},{}]},{},[2]);
\ No newline at end of file