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(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({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",
"crossorigin",
"loop",
"muted",
"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: [],
figcaption: [],
figure: [],
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: [],
summary: [],
sup: [],
strong: [],
strike: [],
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",
"crossorigin",
"loop",
"muted",
"playsinline",
"poster",
"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, "<").replace(REGEXP_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:` | `/` | `#`
value = _.trim(value);
if (value === "#") return "#";
if (
!(
value.substr(0, 7) === "http://" ||
value.substr(0, 8) === "https://" ||
value.substr(0, 7) === "mailto:" ||
value.substr(0, 4) === "tel:" ||
value.substr(0, 11) === "data:image/" ||
value.substr(0, 6) === "ftp://" ||
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 = /"/g;
var REGEXP_ATTR_VALUE_1 = /&#([a-zA-Z0-9]*);?/gim;
var REGEXP_ATTR_VALUE_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 double quote
*
* @param {String} str
* @return {String} str
*/
function escapeQuote(str) {
return str.replace(REGEXP_QUOTE, """);
}
/**
* 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) {
var retHtml = "";
var lastPos = 0;
while (lastPos < html.length) {
var i = html.indexOf("<!--", lastPos);
if (i === -1) {
retHtml += html.slice(lastPos);
break;
}
retHtml += html.slice(lastPos, i);
var j = html.indexOf("-->", i);
if (j === -1) {
break;
}
lastPos = j + 3;
}
return retHtml;
}
/**
* 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;
(function () {
for (var i in DEFAULT) {
exports[i] = DEFAULT[i];
}
for (var j in parser) {
exports[j] = parser[j];
}
})();
// 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);
var tagName;
if (i === -1) {
tagName = html.slice(1, -1);
} else {
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 = "";
chariterator: 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 === ">" || currentPos === len - 1) {
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 === "'") {
var i = 1;
var ic = html.charAt(currentPos - i);
while (ic.trim() === "" || ic === "=") {
if (ic === "=") {
quoteStart = c;
continue chariterator;
}
ic = html.charAt(currentPos - ++i);
}
}
} else {
if (c === quoteStart) {
quoteStart = false;
continue;
}
}
}
}
if (lastPos < len) {
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 lastMarkPos = 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;
lastMarkPos = html.charAt(lastPos) === '"' || html.charAt(lastPos) === "'" ? lastPos : findNextQuotationMark(html, i + 1);
continue;
}
if (tmpName !== false) {
if (
i === lastMarkPos
) {
j = html.indexOf(c, i + 1);
if (j === -1) {
break;
} else {
v = _.trim(html.slice(lastMarkPos + 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 findNextQuotationMark(str, i) {
for (; i < str.length; i++) {
var c = str[i];
if (c === " ") continue;
if (c === "'" || 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;
}
function keysToLowerCase(obj) {
var ret = {};
for (var i in obj) {
if (Array.isArray(obj[i])) {
ret[i.toLowerCase()] = obj[i].map(function (item) {
return item.toLowerCase();
});
} else {
ret[i.toLowerCase()] = obj[i];
}
}
return ret;
}
/**
* FilterXSS class
*
* @param {Object} options
* whiteList (or allowList), 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;
}
if (options.whiteList || options.allowList) {
options.whiteList = keysToLowerCase(options.whiteList || options.allowList);
} else {
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) {
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: Object.prototype.hasOwnProperty.call(whiteList, 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()`
ret = onIgnoreTagAttr(tag, name, value, isWhiteAttr);
if (!isNull(ret)) return ret;
return;
}
});
// build new tag html
html = "<" + tag;
if (attrsHtml) html += " " + attrsHtml;
if (attrs.closing) html += " /";
html += ">";
return html;
} else {
// call `onIgnoreTag()`
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]);
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