SingleFile/lib/single-file/vendor/css-tree.js

/*
 * The MIT License (MIT)
 * Copyright (C) 2016-2019 by Roman Dvornov
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

// Project page: https://github.com/csstree/csstree

// The minified code is generated by running the following command:
//   npm run gen:syntax && browserify --standalone csstree lib/index.js | uglifyjs -o dist/csstree.js

this.singlefile.lib.vendor.cssTree = this.singlefile.lib.vendor.cssTree || (() => {

	(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.csstree=f()}})(function(){var define,module,exports;return 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){module.exports={generic:true,types:{"absolute-size":"xx-small | x-small | small | medium | large | x-large | xx-large","alpha-value":"<number> | <percentage>","angle-percentage":"<angle> | <percentage>","angular-color-hint":"<angle-percentage>","angular-color-stop":"<color> && <color-stop-angle>?","angular-color-stop-list":"[ <angular-color-stop> [, <angular-color-hint> ]? ]# , <angular-color-stop>","animateable-feature":"scroll-position | contents | <custom-ident>",attachment:"scroll | fixed | local","attr()":"attr( <attr-name> <type-or-unit>? [, <attr-fallback> ]? )","attr-matcher":"[ '~' | '|' | '^' | '$' | '*' ]? '='","attr-modifier":"i | s","attribute-selector":"'[' <wq-name> ']' | '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'","auto-repeat":"repeat( [ auto-fill | auto-fit ] , [ <line-names>? <fixed-size> ]+ <line-names>? )","auto-track-list":"[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>? <auto-repeat> [ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>?","baseline-position":"[ first | last ]? baseline","basic-shape":"<inset()> | <circle()> | <ellipse()> | <polygon()>","bg-image":"none | <image>","bg-layer":"<bg-image> || <bg-position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box>","bg-position":"[ [ left | center | right | top | bottom | <length-percentage> ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ] | [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ] ]","bg-size":"[ <length-percentage> | auto ]{1,2} | cover | contain","blur()":"blur( <length> )","blend-mode":"normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity",box:"border-box | padding-box | content-box","brightness()":"brightness( <number-percentage> )","calc()":"calc( <calc-sum> )","calc-sum":"<calc-product> [ [ '+' | '-' ] <calc-product> ]*","calc-product":"<calc-value> [ '*' <calc-value> | '/' <number> ]*","calc-value":"<number> | <dimension> | <percentage> | ( <calc-sum> )","cf-final-image":"<image> | <color>","cf-mixing-image":"<percentage>? && <image>","circle()":"circle( [ <shape-radius> ]? [ at <position> ]? )","clamp()":"clamp( <calc-sum>#{3} )","class-selector":"'.' <ident-token>","clip-source":"<url>",color:"<rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>","color-stop":"<color-stop-length> | <color-stop-angle>","color-stop-angle":"<angle-percentage>{1,2}","color-stop-length":"<length-percentage>{1,2}","color-stop-list":"[ <linear-color-stop> [, <linear-color-hint> ]? ]# , <linear-color-stop>",combinator:"'>' | '+' | '~' | [ '||' ]","common-lig-values":"[ common-ligatures | no-common-ligatures ]",compat:"searchfield | textarea | push-button | button-bevel | slider-horizontal | checkbox | radio | square-button | menulist | menulist-button | listbox | meter | progress-bar","composite-style":"clear | copy | source-over | source-in | source-out | source-atop | destination-over | destination-in | destination-out | destination-atop | xor","compositing-operator":"add | subtract | intersect | exclude","compound-selector":"[ <type-selector>? <subclass-selector>* [ <pseudo-element-selector> <pseudo-class-selector>* ]* ]!","compound-selector-list":"<compound-selector>#","complex-selector":"<compound-selector> [ <combinator>? <compound-selector> ]*","complex-selector-list":"<complex-selector>#","conic-gradient()":"conic-gradient( [ from <angle> ]? 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[ at <position> ]? )","ending-shape":"circle | ellipse","env()":"env( <custom-ident> , <declaration-value>? )","explicit-track-list":"[ <line-names>? <track-size> ]+ <line-names>?","family-name":"<string> | <custom-ident>+","feature-tag-value":"<string> [ <integer> | on | off ]?","feature-type":"@stylistic | @historical-forms | @styleset | @character-variant | @swash | @ornaments | @annotation","feature-value-block":"<feature-type> '{' <feature-value-declaration-list> '}'","feature-value-block-list":"<feature-value-block>+","feature-value-declaration":"<custom-ident> : <integer>+ ;","feature-value-declaration-list":"<feature-value-declaration>","feature-value-name":"<custom-ident>","fill-rule":"nonzero | evenodd","filter-function":"<blur()> | <brightness()> | <contrast()> | <drop-shadow()> | <grayscale()> | <hue-rotate()> | <invert()> | <opacity()> | <saturate()> | <sepia()>","filter-function-list":"[ <filter-function> | <url> ]+","final-bg-layer":"<'background-color'> || <bg-image> || <bg-position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box>","fit-content()":"fit-content( [ <length> | <percentage> ] )","fixed-breadth":"<length-percentage>","fixed-repeat":"repeat( [ <positive-integer> ] , [ <line-names>? <fixed-size> ]+ <line-names>? )","fixed-size":"<fixed-breadth> | minmax( <fixed-breadth> , <track-breadth> ) | minmax( <inflexible-breadth> , <fixed-breadth> )","font-stretch-absolute":"normal | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded | <percentage>","font-variant-css21":"[ normal | small-caps ]","font-weight-absolute":"normal | bold | <number>","frequency-percentage":"<frequency> | <percentage>","general-enclosed":"[ <function-token> <any-value> ) ] | ( <ident> <any-value> )","generic-family":"serif | sans-serif | cursive | fantasy | monospace | -apple-system","generic-name":"serif | sans-serif | cursive | fantasy | monospace","geometry-box":"<shape-box> | fill-box | stroke-box | view-box",gradient:"<linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()> | <conic-gradient()> | <-legacy-gradient>","grayscale()":"grayscale( <number-percentage> )","grid-line":"auto | <custom-ident> | [ <integer> && <custom-ident>? ] | [ span && [ <integer> || <custom-ident> ] ]","historical-lig-values":"[ historical-ligatures | no-historical-ligatures ]","hsl()":"hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue> , <percentage> , <percentage> , <alpha-value>? )","hsla()":"hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue> , <percentage> , <percentage> , <alpha-value>? )",hue:"<number> | <angle>","hue-rotate()":"hue-rotate( <angle> )",image:"<url> | <image()> | <image-set()> | <element()> | <cross-fade()> | <gradient>","image()":"image( <image-tags>? [ <image-src>? , <color>? ]! )","image-set()":"image-set( <image-set-option># )","image-set-option":"[ <image> | <string> ] <resolution>","image-src":"<url> | <string>","image-tags":"ltr | rtl","inflexible-breadth":"<length> | <percentage> | min-content | max-content | auto","inset()":"inset( <length-percentage>{1,4} [ round <'border-radius'> ]? )","invert()":"invert( <number-percentage> )","keyframes-name":"<custom-ident> | <string>","keyframe-block":"<keyframe-selector># { <declaration-list> }","keyframe-block-list":"<keyframe-block>+","keyframe-selector":"from | to | <percentage>","leader()":"leader( <leader-type> )","leader-type":"dotted | solid | space | <string>","length-percentage":"<length> | <percentage>","line-names":"'[' <custom-ident>* ']'","line-name-list":"[ <line-names> | <name-repeat> ]+","line-style":"none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset","line-width":"<length> | thin | medium | thick","linear-color-hint":"<length-percentage>","linear-color-stop":"<color> <color-stop-length>?","linear-gradient()":"linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )","mask-layer":"<mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> || <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator> || <masking-mode>","mask-position":"[ <length-percentage> | left | center | right ] [ <length-percentage> | top | center | bottom ]?","mask-reference":"none | <image> | <mask-source>","mask-source":"<url>","masking-mode":"alpha | luminance | match-source","matrix()":"matrix( <number>#{6} )","matrix3d()":"matrix3d( <number>#{16} )","max()":"max( <calc-sum># )","media-and":"<media-in-parens> [ and <media-in-parens> ]+","media-condition":"<media-not> | <media-and> | <media-or> | <media-in-parens>","media-condition-without-or":"<media-not> | <media-and> | <media-in-parens>","media-feature":"( [ <mf-plain> | <mf-boolean> | <mf-range> ] )","media-in-parens":"( <media-condition> ) | <media-feature> | <general-enclosed>","media-not":"not <media-in-parens>","media-or":"<media-in-parens> [ or <media-in-parens> ]+","media-query":"<media-condition> | [ not | only ]? <media-type> [ and <media-condition-without-or> ]?","media-query-list":"<media-query>#","media-type":"<ident>","mf-boolean":"<mf-name>","mf-name":"<ident>","mf-plain":"<mf-name> : <mf-value>","mf-range":"<mf-name> [ '<' | '>' ]? '='? <mf-value> | <mf-value> [ '<' | '>' ]? '='? <mf-name> | <mf-value> '<' '='? <mf-name> '<' '='? <mf-value> | <mf-value> '>' '='? <mf-name> '>' '='? <mf-value>","mf-value":"<number> | <dimension> | <ident> | <ratio>","min()":"min( <calc-sum># )","minmax()":"minmax( [ <length> | <percentage> | <flex> | min-content | max-content | auto ] , [ <length> | <percentage> | <flex> | min-content | max-content | auto ] )","named-color":"transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen | <-non-standard-color>","namespace-prefix":"<ident>","ns-prefix":"[ <ident-token> | '*' ]? '|'","number-percentage":"<number> | <percentage>","numeric-figure-values":"[ lining-nums | oldstyle-nums ]","numeric-fraction-values":"[ diagonal-fractions | stacked-fractions ]","numeric-spacing-values":"[ proportional-nums | tabular-nums ]",nth:"<an-plus-b> | even | odd","opacity()":"opacity( [ <number-percentage> ] )","overflow-position":"unsafe | safe","outline-radius":"<length> | <percentage>","page-body":"<declaration>? [ ; <page-body> ]? | <page-margin-box> <page-body>","page-margin-box":"<page-margin-box-type> '{' <declaration-list> '}'","page-margin-box-type":"@top-left-corner | @top-left | @top-center | @top-right | @top-right-corner | @bottom-left-corner | @bottom-left | @bottom-center | @bottom-right | @bottom-right-corner | @left-top | @left-middle | @left-bottom | @right-top | @right-middle | @right-bottom","page-selector-list":"[ <page-selector># ]?","page-selector":"<pseudo-page>+ | <ident> <pseudo-page>*","perspective()":"perspective( <length> )","polygon()":"polygon( <fill-rule>? , [ <length-percentage> <length-percentage> ]# )",position:"[ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]","pseudo-class-selector":"':' <ident-token> | ':' <function-token> <any-value> ')'","pseudo-element-selector":"':' <pseudo-class-selector>","pseudo-page":": [ left | right | first | blank ]",quote:"open-quote | close-quote | no-open-quote | no-close-quote","radial-gradient()":"radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )","relative-selector":"<combinator>? <complex-selector>","relative-selector-list":"<relative-selector>#","relative-size":"larger | smaller","repeat-style":"repeat-x | repeat-y | [ repeat | space | round | no-repeat ]{1,2}","repeating-linear-gradient()":"repeating-linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )","repeating-radial-gradient()":"repeating-radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )","rgb()":"rgb( <percentage>{3} [ / <alpha-value> ]? ) | rgb( <number>{3} [ / <alpha-value> ]? ) | rgb( <percentage>#{3} , <alpha-value>? ) | rgb( <number>#{3} , <alpha-value>? )","rgba()":"rgba( <percentage>{3} [ / <alpha-value> ]? ) | rgba( <number>{3} [ / <alpha-value> ]? ) | rgba( <percentage>#{3} , <alpha-value>? ) | rgba( <number>#{3} , <alpha-value>? )","rotate()":"rotate( [ <angle> | <zero> ] )","rotate3d()":"rotate3d( <number> , <number> , <number> , [ <angle> | <zero> ] )","rotateX()":"rotateX( [ <angle> | <zero> ] )","rotateY()":"rotateY( [ <angle> | <zero> ] )","rotateZ()":"rotateZ( [ <angle> | <zero> ] )","saturate()":"saturate( <number-percentage> )","scale()":"scale( <number> , <number>? )","scale3d()":"scale3d( <number> , <number> , <number> )","scaleX()":"scaleX( <number> )","scaleY()":"scaleY( <number> )","scaleZ()":"scaleZ( <number> )","self-position":"center | start | end | self-start | self-end | flex-start | flex-end","shape-radius":"<length-percentage> | closest-side | farthest-side","skew()":"skew( [ <angle> | <zero> ] , [ <angle> | <zero> ]? )","skewX()":"skewX( [ <angle> | <zero> ] )","skewY()":"skewY( [ <angle> | <zero> ] )","sepia()":"sepia( <number-percentage> )",shadow:"inset? && <length>{2,4} && <color>?","shadow-t":"[ <length>{2,3} && <color>? ]",shape:"rect( <top> , <right> , <bottom> , <left> ) | rect( <top> <right> <bottom> <left> )","shape-box":"<box> | margin-box","side-or-corner":"[ left | right ] || [ top | bottom ]","single-animation":"<time> || <timing-function> || <time> || <single-animation-iteration-count> || <single-animation-direction> || <single-animation-fill-mode> || <single-animation-play-state> || [ none | <keyframes-name> ]","single-animation-direction":"normal | reverse | alternate | alternate-reverse","single-animation-fill-mode":"none | forwards | backwards | both","single-animation-iteration-count":"infinite | <number>","single-animation-play-state":"running | paused","single-transition":"[ none | <single-transition-property> ] || <time> || <timing-function> || <time>","single-transition-property":"all | <custom-ident>",size:"closest-side | farthest-side | closest-corner | farthest-corner | <length> | <length-percentage>{2}","step-position":"jump-start | jump-end | jump-none | jump-both | start | end","step-timing-function":"step-start | step-end | steps( <integer> [, <step-position> ]? )","subclass-selector":"<id-selector> | <class-selector> | <attribute-selector> | <pseudo-class-selector>","supports-condition":"not <supports-in-parens> | <supports-in-parens> [ and <supports-in-parens> ]* | <supports-in-parens> [ or <supports-in-parens> ]*","supports-in-parens":"( <supports-condition> ) | <supports-feature> | <general-enclosed>","supports-feature":"<supports-decl> | <supports-selector-fn>","supports-decl":"( <declaration> )","supports-selector-fn":"selector( <complex-selector> )",symbol:"<string> | <image> | <custom-ident>",target:"<target-counter()> | <target-counters()> | <target-text()>","target-counter()":"target-counter( [ <string> | <url> ] , <custom-ident> , <counter-style>? )","target-counters()":"target-counters( [ <string> | <url> ] , <custom-ident> , <string> , <counter-style>? )","target-text()":"target-text( [ <string> | <url> ] , [ content | before | after | first-letter ]? )","time-percentage":"<time> | <percentage>","timing-function":"linear | <cubic-bezier-timing-function> | <step-timing-function>","track-breadth":"<length-percentage> | <flex> | min-content | max-content | auto","track-list":"[ <line-names>? 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| local( <family-name> ) ]#",speak:"auto | none | normal","speak-as":"normal | spell-out || digits || [ literal-punctuation | no-punctuation ]",stroke:"<paint>","stroke-dasharray":"none | [ <svg-length>+ ]#","stroke-dashoffset":"<svg-length>","stroke-linecap":"butt | round | square","stroke-linejoin":"miter | round | bevel","stroke-miterlimit":"<number-one-or-greater>","stroke-opacity":"<number-zero-one>","stroke-width":"<svg-length>","text-anchor":"start | middle | end","unicode-range":"<urange>#","voice-balance":"<number> | left | center | right | leftwards | rightwards","voice-duration":"auto | <time>","voice-family":"[ [ <family-name> | <generic-voice> ] , ]* [ <family-name> | <generic-voice> ] | preserve","voice-pitch":"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]","voice-range":"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]","voice-rate":"[ normal | x-slow | slow | medium | fast | x-fast ] || <percentage>","voice-stress":"normal | strong | moderate | none | reduced","voice-volume":"silent | [ [ x-soft | soft | medium | loud | x-loud ] || <decibel> ]"}}},{}],2:[function(require,module,exports){function createItem(data){return{prev:null,next:null,data:data}}function allocateCursor(node,prev,next){var cursor;if(cursors!==null){cursor=cursors;cursors=cursors.cursor;cursor.prev=prev;cursor.next=next;cursor.cursor=node.cursor}else{cursor={prev:prev,next:next,cursor:node.cursor}}node.cursor=cursor;return cursor}function releaseCursor(node){var cursor=node.cursor;node.cursor=cursor.cursor;cursor.prev=null;cursor.next=null;cursor.cursor=cursors;cursors=cursor}var cursors=null;var List=function(){this.cursor=null;this.head=null;this.tail=null};List.createItem=createItem;List.prototype.createItem=createItem;List.prototype.updateCursors=function(prevOld,prevNew,nextOld,nextNew){var cursor=this.cursor;while(cursor!==null){if(cursor.prev===prevOld){cursor.prev=prevNew}if(cursor.next===nextOld){cursor.next=nextNew}cursor=cursor.cursor}};List.prototype.getSize=function(){var size=0;var cursor=this.head;while(cursor){size++;cursor=cursor.next}return size};List.prototype.fromArray=function(array){var cursor=null;this.head=null;for(var i=0;i<array.length;i++){var item=createItem(array[i]);if(cursor!==null){cursor.next=item}else{this.head=item}item.prev=cursor;cursor=item}this.tail=cursor;return this};List.prototype.toArray=function(){
var cursor=this.head;var result=[];while(cursor){result.push(cursor.data);cursor=cursor.next}return result};List.prototype.toJSON=List.prototype.toArray;List.prototype.isEmpty=function(){return this.head===null};List.prototype.first=function(){return this.head&&this.head.data};List.prototype.last=function(){return this.tail&&this.tail.data};List.prototype.each=function(fn,context){var item;if(context===undefined){context=this}var cursor=allocateCursor(this,null,this.head);while(cursor.next!==null){item=cursor.next;cursor.next=item.next;fn.call(context,item.data,item,this)}releaseCursor(this)};List.prototype.forEach=List.prototype.each;List.prototype.eachRight=function(fn,context){var item;if(context===undefined){context=this}var cursor=allocateCursor(this,this.tail,null);while(cursor.prev!==null){item=cursor.prev;cursor.prev=item.prev;fn.call(context,item.data,item,this)}releaseCursor(this)};List.prototype.forEachRight=List.prototype.eachRight;List.prototype.nextUntil=function(start,fn,context){if(start===null){return}var item;if(context===undefined){context=this}var cursor=allocateCursor(this,null,start);while(cursor.next!==null){item=cursor.next;cursor.next=item.next;if(fn.call(context,item.data,item,this)){break}}releaseCursor(this)};List.prototype.prevUntil=function(start,fn,context){if(start===null){return}var item;if(context===undefined){context=this}var cursor=allocateCursor(this,start,null);while(cursor.prev!==null){item=cursor.prev;cursor.prev=item.prev;if(fn.call(context,item.data,item,this)){break}}releaseCursor(this)};List.prototype.some=function(fn,context){var cursor=this.head;if(context===undefined){context=this}while(cursor!==null){if(fn.call(context,cursor.data,cursor,this)){return true}cursor=cursor.next}return false};List.prototype.map=function(fn,context){var result=new List;var cursor=this.head;if(context===undefined){context=this}while(cursor!==null){result.appendData(fn.call(context,cursor.data,cursor,this));cursor=cursor.next}return result};List.prototype.filter=function(fn,context){var result=new List;var cursor=this.head;if(context===undefined){context=this}while(cursor!==null){if(fn.call(context,cursor.data,cursor,this)){result.appendData(cursor.data)}cursor=cursor.next}return result};List.prototype.clear=function(){this.head=null;this.tail=null};List.prototype.copy=function(){var result=new List;var cursor=this.head;while(cursor!==null){result.insert(createItem(cursor.data));cursor=cursor.next}return result};List.prototype.prepend=function(item){this.updateCursors(null,item,this.head,item);if(this.head!==null){this.head.prev=item;item.next=this.head}else{this.tail=item}this.head=item;return this};List.prototype.prependData=function(data){return this.prepend(createItem(data))};List.prototype.append=function(item){return this.insert(item)};List.prototype.appendData=function(data){return this.insert(createItem(data))};List.prototype.insert=function(item,before){if(before!==undefined&&before!==null){this.updateCursors(before.prev,item,before,item);if(before.prev===null){if(this.head!==before){throw new Error("before doesn't belong to list")}this.head=item;before.prev=item;item.next=before;this.updateCursors(null,item)}else{before.prev.next=item;item.prev=before.prev;before.prev=item;item.next=before}}else{this.updateCursors(this.tail,item,null,item);if(this.tail!==null){this.tail.next=item;item.prev=this.tail}else{this.head=item}this.tail=item}return this};List.prototype.insertData=function(data,before){return this.insert(createItem(data),before)};List.prototype.remove=function(item){this.updateCursors(item,item.prev,item,item.next);if(item.prev!==null){item.prev.next=item.next}else{if(this.head!==item){throw new Error("item doesn't belong to list")}this.head=item.next}if(item.next!==null){item.next.prev=item.prev}else{if(this.tail!==item){throw new Error("item doesn't belong to list")}this.tail=item.prev}item.prev=null;item.next=null;return item};List.prototype.push=function(data){this.insert(createItem(data))};List.prototype.pop=function(){if(this.tail!==null){return this.remove(this.tail)}};List.prototype.unshift=function(data){this.prepend(createItem(data))};List.prototype.shift=function(){if(this.head!==null){return this.remove(this.head)}};List.prototype.prependList=function(list){return this.insertList(list,this.head)};List.prototype.appendList=function(list){return this.insertList(list)};List.prototype.insertList=function(list,before){if(list.head===null){return this}if(before!==undefined&&before!==null){this.updateCursors(before.prev,list.tail,before,list.head);if(before.prev!==null){before.prev.next=list.head;list.head.prev=before.prev}else{this.head=list.head}before.prev=list.tail;list.tail.next=before}else{this.updateCursors(this.tail,list.tail,null,list.head);if(this.tail!==null){this.tail.next=list.head;list.head.prev=this.tail}else{this.head=list.head}this.tail=list.tail}list.head=null;list.tail=null;return this};List.prototype.replace=function(oldItem,newItemOrList){if("head"in newItemOrList){this.insertList(newItemOrList,oldItem)}else{this.insert(newItemOrList,oldItem)}this.remove(oldItem)};module.exports=List},{}],3:[function(require,module,exports){var adoptBuffer=require("./adopt-buffer");var isBOM=require("../tokenizer").isBOM;var N=10;var F=12;var R=13;function computeLinesAndColumns(host,source){var sourceLength=source.length;var lines=adoptBuffer(host.lines,sourceLength);var line=host.startLine;var columns=adoptBuffer(host.columns,sourceLength);var column=host.startColumn;var startOffset=source.length>0?isBOM(source.charCodeAt(0)):0;for(var i=startOffset;i<sourceLength;i++){var code=source.charCodeAt(i);lines[i]=line;columns[i]=column++;if(code===N||code===R||code===F){if(code===R&&i+1<sourceLength&&source.charCodeAt(i+1)===N){i++;lines[i]=line;columns[i]=column}line++;column=1}}lines[i]=line;columns[i]=column;host.lines=lines;host.columns=columns}var OffsetToLocation=function(){this.lines=null;this.columns=null;this.linesAndColumnsComputed=false};OffsetToLocation.prototype={setSource:function(source,startOffset,startLine,startColumn){this.source=source;this.startOffset=typeof startOffset==="undefined"?0:startOffset;this.startLine=typeof startLine==="undefined"?1:startLine;this.startColumn=typeof startColumn==="undefined"?1:startColumn;this.linesAndColumnsComputed=false},ensureLinesAndColumnsComputed:function(){if(!this.linesAndColumnsComputed){computeLinesAndColumns(this,this.source);this.linesAndColumnsComputed=true}},getLocation:function(offset,filename){this.ensureLinesAndColumnsComputed();return{source:filename,offset:this.startOffset+offset,line:this.lines[offset],column:this.columns[offset]}},getLocationRange:function(start,end,filename){this.ensureLinesAndColumnsComputed();return{source:filename,start:{offset:this.startOffset+start,line:this.lines[start],column:this.columns[start]},end:{offset:this.startOffset+end,line:this.lines[end],column:this.columns[end]}}}};module.exports=OffsetToLocation},{"../tokenizer":106,"./adopt-buffer":6}],4:[function(require,module,exports){var createCustomError=require("../utils/createCustomError");var MAX_LINE_LENGTH=100;var OFFSET_CORRECTION=60;var TAB_REPLACEMENT="    ";function sourceFragment(error,extraLines){function processLines(start,end){return lines.slice(start,end).map(function(line,idx){var num=String(start+idx+1);while(num.length<maxNumLength){num=" "+num}return num+" |"+line}).join("\n")}var lines=error.source.split(/\r\n?|\n|\f/);var line=error.line;var column=error.column;var startLine=Math.max(1,line-extraLines)-1;var endLine=Math.min(line+extraLines,lines.length+1);var maxNumLength=Math.max(4,String(endLine).length)+1;var cutLeft=0;column+=(TAB_REPLACEMENT.length-1)*(lines[line-1].substr(0,column-1).match(/\t/g)||[]).length;if(column>MAX_LINE_LENGTH){cutLeft=column-OFFSET_CORRECTION+3;column=OFFSET_CORRECTION-2}for(var i=startLine;i<=endLine;i++){if(i>=0&&i<lines.length){lines[i]=lines[i].replace(/\t/g,TAB_REPLACEMENT);lines[i]=(cutLeft>0&&lines[i].length>cutLeft?"…":"")+lines[i].substr(cutLeft,MAX_LINE_LENGTH-2)+(lines[i].length>cutLeft+MAX_LINE_LENGTH-1?"…":"")}}return[processLines(startLine,line),new Array(column+maxNumLength+2).join("-")+"^",processLines(line,endLine)].filter(Boolean).join("\n")}var SyntaxError=function(message,source,offset,line,column){var error=createCustomError("SyntaxError",message);error.source=source;error.offset=offset;error.line=line;error.column=column;error.sourceFragment=function(extraLines){return sourceFragment(error,isNaN(extraLines)?0:extraLines)};Object.defineProperty(error,"formattedMessage",{get:function(){return"Parse error: "+error.message+"\n"+sourceFragment(error,2)}});error.parseError={offset:offset,line:line,column:column};return error};module.exports=SyntaxError},{"../utils/createCustomError":109}],5:[function(require,module,exports){var constants=require("../tokenizer/const");var TYPE=constants.TYPE;var NAME=constants.NAME;var utils=require("../tokenizer/utils");var cmpStr=utils.cmpStr;var EOF=TYPE.EOF;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var OFFSET_MASK=16777215;var TYPE_SHIFT=24;var TokenStream=function(){this.offsetAndType=null;this.balance=null;this.reset()};TokenStream.prototype={reset:function(){this.eof=false;this.tokenIndex=-1;this.tokenType=0;this.tokenStart=this.firstCharOffset;this.tokenEnd=this.firstCharOffset},lookupType:function(offset){offset+=this.tokenIndex;if(offset<this.tokenCount){return this.offsetAndType[offset]>>TYPE_SHIFT}return EOF},lookupOffset:function(offset){offset+=this.tokenIndex;if(offset<this.tokenCount){return this.offsetAndType[offset-1]&OFFSET_MASK}return this.source.length},lookupValue:function(offset,referenceStr){offset+=this.tokenIndex;if(offset<this.tokenCount){return cmpStr(this.source,this.offsetAndType[offset-1]&OFFSET_MASK,this.offsetAndType[offset]&OFFSET_MASK,referenceStr)}return false},getTokenStart:function(tokenIndex){if(tokenIndex===this.tokenIndex){return this.tokenStart}if(tokenIndex>0){return tokenIndex<this.tokenCount?this.offsetAndType[tokenIndex-1]&OFFSET_MASK:this.offsetAndType[this.tokenCount]&OFFSET_MASK}return this.firstCharOffset},getRawLength:function(startToken,mode){var cursor=startToken;var balanceEnd;var offset=this.offsetAndType[Math.max(cursor-1,0)]&OFFSET_MASK;var type;loop:for(;cursor<this.tokenCount;cursor++){balanceEnd=this.balance[cursor];if(balanceEnd<startToken){break loop}type=this.offsetAndType[cursor]>>TYPE_SHIFT;switch(mode(type,this.source,offset)){case 1:break loop;case 2:cursor++;break loop;default:offset=this.offsetAndType[cursor]&OFFSET_MASK;if(this.balance[balanceEnd]===cursor){cursor=balanceEnd}}}return cursor-this.tokenIndex},isBalanceEdge:function(pos){return this.balance[this.tokenIndex]<pos},isDelim:function(code,offset){if(offset){return this.lookupType(offset)===TYPE.Delim&&this.source.charCodeAt(this.lookupOffset(offset))===code}return this.tokenType===TYPE.Delim&&this.source.charCodeAt(this.tokenStart)===code},getTokenValue:function(){return this.source.substring(this.tokenStart,this.tokenEnd)},getTokenLength:function(){return this.tokenEnd-this.tokenStart},substrToCursor:function(start){return this.source.substring(start,this.tokenStart)},skipWS:function(){for(var i=this.tokenIndex,skipTokenCount=0;i<this.tokenCount;i++,skipTokenCount++){if(this.offsetAndType[i]>>TYPE_SHIFT!==WHITESPACE){break}}if(skipTokenCount>0){this.skip(skipTokenCount)}},skipSC:function(){while(this.tokenType===WHITESPACE||this.tokenType===COMMENT){this.next()}},skip:function(tokenCount){var next=this.tokenIndex+tokenCount;if(next<this.tokenCount){this.tokenIndex=next;this.tokenStart=this.offsetAndType[next-1]&OFFSET_MASK;next=this.offsetAndType[next];this.tokenType=next>>TYPE_SHIFT;this.tokenEnd=next&OFFSET_MASK}else{this.tokenIndex=this.tokenCount;this.next()}},next:function(){var next=this.tokenIndex+1;if(next<this.tokenCount){this.tokenIndex=next;this.tokenStart=this.tokenEnd;next=this.offsetAndType[next];this.tokenType=next>>TYPE_SHIFT;this.tokenEnd=next&OFFSET_MASK}else{this.tokenIndex=this.tokenCount;this.eof=true;this.tokenType=EOF;this.tokenStart=this.tokenEnd=this.source.length}},dump:function(){var offset=this.firstCharOffset;return Array.prototype.slice.call(this.offsetAndType,0,this.tokenCount).map(function(item,idx){var start=offset;var end=item&OFFSET_MASK;offset=end;return{idx:idx,type:NAME[item>>TYPE_SHIFT],chunk:this.source.substring(start,end),balance:this.balance[idx]}},this)}};module.exports=TokenStream},{"../tokenizer/const":105,"../tokenizer/utils":107}],6:[function(require,module,exports){var MIN_SIZE=16*1024;var SafeUint32Array=typeof Uint32Array!=="undefined"?Uint32Array:Array;module.exports=function adoptBuffer(buffer,size){if(buffer===null||buffer.length<size){return new SafeUint32Array(Math.max(size+1024,MIN_SIZE))}return buffer}},{}],7:[function(require,module,exports){var sourceMap=require("./sourceMap");var hasOwnProperty=Object.prototype.hasOwnProperty;function processChildren(node,delimeter){var list=node.children;var prev=null;if(typeof delimeter!=="function"){list.forEach(this.node,this)}else{list.forEach(function(node){if(prev!==null){delimeter.call(this,prev)}this.node(node);prev=node},this)}}module.exports=function createGenerator(config){function processNode(node){if(hasOwnProperty.call(types,node.type)){types[node.type].call(this,node)}else{throw new Error("Unknown node type: "+node.type)}}var types={};if(config.node){for(var name in config.node){types[name]=config.node[name].generate}}return function(node,options){var buffer="";var handlers={children:processChildren,node:processNode,chunk:function(chunk){buffer+=chunk},result:function(){return buffer}};if(options){if(typeof options.decorator==="function"){handlers=options.decorator(handlers)}if(options.sourceMap){handlers=sourceMap(handlers)}}handlers.node(node);return handlers.result()}}},{"./sourceMap":8}],8:[function(require,module,exports){var SourceMapGenerator=require("source-map").SourceMapGenerator;var trackNodes={Atrule:true,Selector:true,Declaration:true};module.exports=function generateSourceMap(handlers){var map=new SourceMapGenerator;var line=1;var column=0;var generated={line:1,column:0};var original={line:0,column:0};var sourceMappingActive=false;var activatedGenerated={line:1,column:0};var activatedMapping={generated:activatedGenerated};var handlersNode=handlers.node;handlers.node=function(node){if(node.loc&&node.loc.start&&trackNodes.hasOwnProperty(node.type)){var nodeLine=node.loc.start.line;var nodeColumn=node.loc.start.column-1;if(original.line!==nodeLine||original.column!==nodeColumn){original.line=nodeLine;original.column=nodeColumn;generated.line=line;generated.column=column;if(sourceMappingActive){sourceMappingActive=false;if(generated.line!==activatedGenerated.line||generated.column!==activatedGenerated.column){map.addMapping(activatedMapping)}}sourceMappingActive=true;map.addMapping({source:node.loc.source,original:original,generated:generated})}}handlersNode.call(this,node);if(sourceMappingActive&&trackNodes.hasOwnProperty(node.type)){activatedGenerated.line=line;activatedGenerated.column=column}};var handlersChunk=handlers.chunk;handlers.chunk=function(chunk){for(var i=0;i<chunk.length;i++){if(chunk.charCodeAt(i)===10){line++;column=0}else{column++}}handlersChunk(chunk)};var handlersResult=handlers.result;handlers.result=function(){if(sourceMappingActive){map.addMapping(activatedMapping)}return{css:handlersResult(),map:map}};return handlers}},{"source-map":121}],9:[function(require,module,exports){module.exports=require("./syntax")},{"./syntax":43}],10:[function(require,module,exports){var SyntaxReferenceError=require("./error").SyntaxReferenceError;var MatchError=require("./error").MatchError;var names=require("../utils/names");var generic=require("./generic");var parse=require("./grammar/parse");var generate=require("./grammar/generate");var walk=require("./grammar/walk");var prepareTokens=require("./prepare-tokens");var buildMatchGraph=require("./match-graph").buildMatchGraph;var matchAsTree=require("./match").matchAsTree;var trace=require("./trace");var search=require("./search");var getStructureFromConfig=require("./structure").getStructureFromConfig;var cssWideKeywords=buildMatchGraph("inherit | initial | unset");var cssWideKeywordsWithExpression=buildMatchGraph("inherit | initial | unset | <-ms-legacy-expression>");function dumpMapSyntax(map,syntaxAsAst){var result={};for(var name in map){if(map[name].syntax){result[name]=syntaxAsAst?map[name].syntax:generate(map[name].syntax)}}return result}function valueHasVar(tokens){for(var i=0;i<tokens.length;i++){if(tokens[i].value.toLowerCase()==="var("){return true}}return false}function buildMatchResult(match,error,iterations){return{matched:match,iterations:iterations,error:error,getTrace:trace.getTrace,isType:trace.isType,isProperty:trace.isProperty,isKeyword:trace.isKeyword}}function matchSyntax(lexer,syntax,value,useCommon){var tokens=prepareTokens(value,lexer.syntax);var result;if(valueHasVar(tokens)){return buildMatchResult(null,new Error("Matching for a tree with var() is not supported"))}if(useCommon){result=matchAsTree(tokens,lexer.valueCommonSyntax,lexer)}if(!useCommon||!result.match){result=matchAsTree(tokens,syntax.match,lexer);if(!result.match){return buildMatchResult(null,new MatchError(result.reason,syntax.syntax,value,result),result.iterations)}}return buildMatchResult(result.match,null,result.iterations)}var Lexer=function(config,syntax,structure){this.valueCommonSyntax=cssWideKeywords;this.syntax=syntax;this.generic=false;this.properties={};this.types={};this.structure=structure||getStructureFromConfig(config);if(config){if(config.types){for(var name in config.types){this.addType_(name,config.types[name])}}if(config.generic){this.generic=true;for(var name in generic){this.addType_(name,generic[name])}}if(config.properties){for(var name in config.properties){this.addProperty_(name,config.properties[name])}}}};Lexer.prototype={structure:{},checkStructure:function(ast){function collectWarning(node,message){warns.push({node:node,message:message})}var structure=this.structure;var warns=[];this.syntax.walk(ast,function(node){if(structure.hasOwnProperty(node.type)){structure[node.type].check(node,collectWarning)}else{collectWarning(node,"Unknown node type `"+node.type+"`")}});return warns.length?warns:false},createDescriptor:function(syntax,type,name){var ref={type:type,name:name};var descriptor={type:type,name:name,syntax:null,match:null};if(typeof syntax==="function"){descriptor.match=buildMatchGraph(syntax,ref)}else{if(typeof syntax==="string"){Object.defineProperty(descriptor,"syntax",{get:function(){Object.defineProperty(descriptor,"syntax",{value:parse(syntax)});return descriptor.syntax}})}else{descriptor.syntax=syntax}Object.defineProperty(descriptor,"match",{get:function(){Object.defineProperty(descriptor,"match",{value:buildMatchGraph(descriptor.syntax,ref)});return descriptor.match}})}return descriptor},addProperty_:function(name,syntax){this.properties[name]=this.createDescriptor(syntax,"Property",name)},addType_:function(name,syntax){this.types[name]=this.createDescriptor(syntax,"Type",name);if(syntax===generic["-ms-legacy-expression"]){this.valueCommonSyntax=cssWideKeywordsWithExpression}},matchDeclaration:function(node){if(node.type!=="Declaration"){return buildMatchResult(null,new Error("Not a Declaration node"))}return this.matchProperty(node.property,node.value)},matchProperty:function(propertyName,value){var property=names.property(propertyName);if(property.custom){return buildMatchResult(null,new Error("Lexer matching doesn't applicable for custom properties"))}var propertySyntax=property.vendor?this.getProperty(property.name)||this.getProperty(property.basename):this.getProperty(property.name);if(!propertySyntax){return buildMatchResult(null,new SyntaxReferenceError("Unknown property",propertyName))}return matchSyntax(this,propertySyntax,value,true)},matchType:function(typeName,value){var typeSyntax=this.getType(typeName);if(!typeSyntax){return buildMatchResult(null,new SyntaxReferenceError("Unknown type",typeName))}return matchSyntax(this,typeSyntax,value,false)},match:function(syntax,value){if(typeof syntax!=="string"&&(!syntax||!syntax.type)){return buildMatchResult(null,new SyntaxReferenceError("Bad syntax"))}if(typeof syntax==="string"||!syntax.match){syntax=this.createDescriptor(syntax,"Type","anonymous")}return matchSyntax(this,syntax,value,false)},findValueFragments:function(propertyName,value,type,name){return search.matchFragments(this,value,this.matchProperty(propertyName,value),type,name)},findDeclarationValueFragments:function(declaration,type,name){return search.matchFragments(this,declaration.value,this.matchDeclaration(declaration),type,name)},findAllFragments:function(ast,type,name){var result=[];this.syntax.walk(ast,{visit:"Declaration",enter:function(declaration){result.push.apply(result,this.findDeclarationValueFragments(declaration,type,name))}.bind(this)});return result},getProperty:function(name){return this.properties.hasOwnProperty(name)?this.properties[name]:null},getType:function(name){return this.types.hasOwnProperty(name)?this.types[name]:null},validate:function(){function validate(syntax,name,broken,descriptor){if(broken.hasOwnProperty(name)){return broken[name]}broken[name]=false;if(descriptor.syntax!==null){walk(descriptor.syntax,function(node){if(node.type!=="Type"&&node.type!=="Property"){return}var map=node.type==="Type"?syntax.types:syntax.properties;var brokenMap=node.type==="Type"?brokenTypes:brokenProperties;if(!map.hasOwnProperty(node.name)||validate(syntax,node.name,brokenMap,map[node.name])){broken[name]=true}},this)}}var brokenTypes={};var brokenProperties={};for(var key in this.types){validate(this,key,brokenTypes,this.types[key])}for(var key in this.properties){validate(this,key,brokenProperties,this.properties[key])}brokenTypes=Object.keys(brokenTypes).filter(function(name){return brokenTypes[name]});brokenProperties=Object.keys(brokenProperties).filter(function(name){return brokenProperties[name]});if(brokenTypes.length||brokenProperties.length){return{types:brokenTypes,properties:brokenProperties}}return null},dump:function(syntaxAsAst){return{generic:this.generic,types:dumpMapSyntax(this.types,syntaxAsAst),properties:dumpMapSyntax(this.properties,syntaxAsAst)}},toString:function(){return JSON.stringify(this.dump())}};module.exports=Lexer},{"../utils/names":110,"./error":11,"./generic":14,"./grammar/generate":16,"./grammar/parse":18,"./grammar/walk":20,"./match":22,"./match-graph":21,"./prepare-tokens":23,"./search":24,"./structure":25,"./trace":26}],11:[function(require,module,exports){var createCustomError=require("../utils/createCustomError");var generateGrammar=require("./grammar/generate");function fromMatchResult(matchResult){var tokens=matchResult.tokens;var longestMatch=matchResult.longestMatch;var node=longestMatch<tokens.length?tokens[longestMatch].node:null;var mismatchOffset=-1;var entries=0;var css="";for(var i=0;i<tokens.length;i++){if(i===longestMatch){mismatchOffset=css.length}if(node!==null&&tokens[i].node===node){if(i<=longestMatch){entries++}else{entries=0}}css+=tokens[i].value}return{node:node,css:css,mismatchOffset:mismatchOffset===-1?css.length:mismatchOffset,last:node===null||entries>1}}function getLocation(node,point){var loc=node&&node.loc&&node.loc[point];if(loc){return{offset:loc.offset,line:loc.line,column:loc.column}}return null}var SyntaxReferenceError=function(type,referenceName){var error=createCustomError("SyntaxReferenceError",type+(referenceName?" `"+referenceName+"`":""));error.reference=referenceName;return error};var MatchError=function(message,syntax,node,matchResult){var error=createCustomError("SyntaxMatchError",message);var details=fromMatchResult(matchResult);var mismatchOffset=details.mismatchOffset||0;var badNode=details.node||node;var end=getLocation(badNode,"end");var start=details.last?end:getLocation(badNode,"start");var css=details.css;error.rawMessage=message;error.syntax=syntax?generateGrammar(syntax):"<generic>";error.css=css;error.mismatchOffset=mismatchOffset;error.loc={source:badNode&&badNode.loc&&badNode.loc.source||"<unknown>",start:start,end:end};error.line=start?start.line:undefined;error.column=start?start.column:undefined;error.offset=start?start.offset:undefined;error.message=message+"\n"+"  syntax: "+error.syntax+"\n"+"   value: "+(error.css||"<empty string>")+"\n"+"  --------"+new Array(error.mismatchOffset+1).join("-")+"^";return error};module.exports={SyntaxReferenceError:SyntaxReferenceError,MatchError:MatchError}},{"../utils/createCustomError":109,"./grammar/generate":16}],12:[function(require,module,exports){var isDigit=require("../tokenizer").isDigit;var cmpChar=require("../tokenizer").cmpChar;var TYPE=require("../tokenizer").TYPE;var DELIM=TYPE.Delim;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var IDENT=TYPE.Ident;var NUMBER=TYPE.Number;var DIMENSION=TYPE.Dimension;var PLUSSIGN=43;var HYPHENMINUS=45;var N=110;var DISALLOW_SIGN=true;var ALLOW_SIGN=false;function isDelim(token,code){return token!==null&&token.type===DELIM&&token.value.charCodeAt(0)===code}function skipSC(token,offset,getNextToken){while(token!==null&&(token.type===WHITESPACE||token.type===COMMENT)){token=getNextToken(++offset)}return offset}function checkInteger(token,valueOffset,disallowSign,offset){if(!token){return 0}var code=token.value.charCodeAt(valueOffset);if(code===PLUSSIGN||code===HYPHENMINUS){if(disallowSign){return 0}valueOffset++}for(;valueOffset<token.value.length;valueOffset++){if(!isDigit(token.value.charCodeAt(valueOffset))){return 0}}return offset+1}function consumeB(token,offset_,getNextToken){var sign=false;var offset=skipSC(token,offset_,getNextToken);token=getNextToken(offset);if(token===null){return offset_}if(token.type!==NUMBER){if(isDelim(token,PLUSSIGN)||isDelim(token,HYPHENMINUS)){sign=true;offset=skipSC(getNextToken(++offset),offset,getNextToken);token=getNextToken(offset);if(token===null&&token.type!==NUMBER){return 0}}else{return offset_}}if(!sign){var code=token.value.charCodeAt(0);if(code!==PLUSSIGN&&code!==HYPHENMINUS){return 0}}return checkInteger(token,sign?0:1,sign,offset)}module.exports=function anPlusB(token,getNextToken){var offset=0;if(!token){return 0}if(token.type===NUMBER){return checkInteger(token,0,ALLOW_SIGN,offset)}else if(token.type===IDENT&&token.value.charCodeAt(0)===HYPHENMINUS){if(!cmpChar(token.value,1,N)){return 0}switch(token.value.length){case 2:return consumeB(getNextToken(++offset),offset,getNextToken);case 3:if(token.value.charCodeAt(2)!==HYPHENMINUS){return 0}offset=skipSC(getNextToken(++offset),offset,getNextToken);token=getNextToken(offset);return checkInteger(token,0,DISALLOW_SIGN,offset);default:if(token.value.charCodeAt(2)!==HYPHENMINUS){return 0}return checkInteger(token,3,DISALLOW_SIGN,offset)}}else if(token.type===IDENT||isDelim(token,PLUSSIGN)&&getNextToken(offset+1).type===IDENT){if(token.type!==IDENT){token=getNextToken(++offset)}if(token===null||!cmpChar(token.value,0,N)){return 0}switch(token.value.length){case 1:return consumeB(getNextToken(++offset),offset,getNextToken);case 2:if(token.value.charCodeAt(1)!==HYPHENMINUS){return 0}offset=skipSC(getNextToken(++offset),offset,getNextToken);token=getNextToken(offset);return checkInteger(token,0,DISALLOW_SIGN,offset);default:if(token.value.charCodeAt(1)!==HYPHENMINUS){return 0}return checkInteger(token,2,DISALLOW_SIGN,offset)}}else if(token.type===DIMENSION){var code=token.value.charCodeAt(0);var sign=code===PLUSSIGN||code===HYPHENMINUS?1:0;for(var i=sign;i<token.value.length;i++){if(!isDigit(token.value.charCodeAt(i))){break}}if(i===sign){return 0}if(!cmpChar(token.value,i,N)){return 0}if(i+1===token.value.length){return consumeB(getNextToken(++offset),offset,getNextToken)}else{if(token.value.charCodeAt(i+1)!==HYPHENMINUS){return 0}if(i+2===token.value.length){offset=skipSC(getNextToken(++offset),offset,getNextToken);token=getNextToken(offset);return checkInteger(token,0,DISALLOW_SIGN,offset)}else{return checkInteger(token,i+2,DISALLOW_SIGN,offset)}}}return 0}},{"../tokenizer":106}],13:[function(require,module,exports){var isHexDigit=require("../tokenizer").isHexDigit;var cmpChar=require("../tokenizer").cmpChar;var TYPE=require("../tokenizer").TYPE;var IDENT=TYPE.Ident;var DELIM=TYPE.Delim;var NUMBER=TYPE.Number;var DIMENSION=TYPE.Dimension;var PLUSSIGN=43;var HYPHENMINUS=45;var QUESTIONMARK=63;var U=117;function isDelim(token,code){return token!==null&&token.type===DELIM&&token.value.charCodeAt(0)===code}function startsWith(token,code){return token.value.charCodeAt(0)===code}function hexSequence(token,offset,allowDash){for(var pos=offset,hexlen=0;pos<token.value.length;pos++){var code=token.value.charCodeAt(pos);if(code===HYPHENMINUS&&allowDash&&hexlen!==0){if(hexSequence(token,offset+hexlen+1,false)>0){return 6}return 0}if(!isHexDigit(code)){return 0}if(++hexlen>6){return 0}}return hexlen}function withQuestionMarkSequence(consumed,length,getNextToken){if(!consumed){return 0}while(isDelim(getNextToken(length),QUESTIONMARK)){if(++consumed>6){return 0}length++}return length}module.exports=function urange(token,getNextToken){var length=0;if(token===null||token.type!==IDENT||!cmpChar(token.value,0,U)){return 0}token=getNextToken(++length);if(token===null){return 0}if(isDelim(token,PLUSSIGN)){token=getNextToken(++length);if(token===null){return 0}if(token.type===IDENT){return withQuestionMarkSequence(hexSequence(token,0,true),++length,getNextToken)}if(isDelim(token,QUESTIONMARK)){return withQuestionMarkSequence(1,++length,getNextToken)}return 0}if(token.type===NUMBER){if(!startsWith(token,PLUSSIGN)){return 0}var consumedHexLength=hexSequence(token,1,true);if(consumedHexLength===0){return 0}token=getNextToken(++length);if(token===null){return length}if(token.type===DIMENSION||token.type===NUMBER){if(!startsWith(token,HYPHENMINUS)||!hexSequence(token,1,false)){return 0}return length+1}return withQuestionMarkSequence(consumedHexLength,length,getNextToken)}if(token.type===DIMENSION){if(!startsWith(token,PLUSSIGN)){return 0}return withQuestionMarkSequence(hexSequence(token,1,true),++length,getNextToken)}return 0}},{"../tokenizer":106}],14:[function(require,module,exports){var tokenizer=require("../tokenizer");var isIdentifierStart=tokenizer.isIdentifierStart;var isHexDigit=tokenizer.isHexDigit;var isDigit=tokenizer.isDigit;var cmpStr=tokenizer.cmpStr;var consumeNumber=tokenizer.consumeNumber;var TYPE=tokenizer.TYPE;var anPlusB=require("./generic-an-plus-b");var urange=require("./generic-urange");var cssWideKeywords=["unset","initial","inherit"];var calcFunctionNames=["calc(","-moz-calc(","-webkit-calc("];var LENGTH={px:true,mm:true,cm:true,in:true,pt:true,pc:true,q:true,em:true,ex:true,ch:true,rem:true,vh:true,vw:true,vmin:true,vmax:true,vm:true};var ANGLE={deg:true,grad:true,rad:true,turn:true};var TIME={s:true,ms:true};var FREQUENCY={hz:true,khz:true};var RESOLUTION={dpi:true,dpcm:true,dppx:true,x:true};var FLEX={fr:true};var DECIBEL={db:true};var SEMITONES={st:true};function charCode(str,index){return index<str.length?str.charCodeAt(index):0}function eqStr(actual,expected){return cmpStr(actual,0,actual.length,expected)}function eqStrAny(actual,expected){for(var i=0;i<expected.length;i++){if(eqStr(actual,expected[i])){return true}}return false}function isPostfixIeHack(str,offset){if(offset!==str.length-2){return false}return str.charCodeAt(offset)===92&&isDigit(str.charCodeAt(offset+1))}function outOfRange(opts,value,numEnd){if(opts&&opts.type==="Range"){var num=Number(numEnd!==undefined&&numEnd!==value.length?value.substr(0,numEnd):value);if(isNaN(num)){return true}if(opts.min!==null&&num<opts.min){return true}if(opts.max!==null&&num>opts.max){return true}}return false}function consumeFunction(token,getNextToken){var startIdx=token.index;var length=0;do{length++;if(token.balance<=startIdx){break}}while(token=getNextToken(length))
;return length}function calc(next){return function(token,getNextToken,opts){if(token===null){return 0}if(token.type===TYPE.Function&&eqStrAny(token.value,calcFunctionNames)){return consumeFunction(token,getNextToken)}return next(token,getNextToken,opts)}}function tokenType(expectedTokenType){return function(token){if(token===null||token.type!==expectedTokenType){return 0}return 1}}function func(name){name=name+"(";return function(token,getNextToken){if(token!==null&&eqStr(token.value,name)){return consumeFunction(token,getNextToken)}return 0}}function customIdent(token){if(token===null||token.type!==TYPE.Ident){return 0}var name=token.value.toLowerCase();if(eqStrAny(name,cssWideKeywords)){return 0}if(eqStr(name,"default")){return 0}return 1}function customPropertyName(token){if(token===null||token.type!==TYPE.Ident){return 0}if(charCode(token.value,0)!==45||charCode(token.value,1)!==45){return 0}return 1}function hexColor(token){if(token===null||token.type!==TYPE.Hash){return 0}var length=token.value.length;if(length!==4&&length!==5&&length!==7&&length!==9){return 0}for(var i=1;i<length;i++){if(!isHexDigit(token.value.charCodeAt(i))){return 0}}return 1}function idSelector(token){if(token===null||token.type!==TYPE.Hash){return 0}if(!isIdentifierStart(charCode(token.value,1),charCode(token.value,2),charCode(token.value,3))){return 0}return 1}function declarationValue(token,getNextToken){if(!token){return 0}var length=0;var level=0;var startIdx=token.index;scan:do{switch(token.type){case TYPE.BadString:case TYPE.BadUrl:break scan;case TYPE.RightCurlyBracket:case TYPE.RightParenthesis:case TYPE.RightSquareBracket:if(token.balance>token.index||token.balance<startIdx){break scan}level--;break;case TYPE.Semicolon:if(level===0){break scan}break;case TYPE.Delim:if(token.value==="!"&&level===0){break scan}break;case TYPE.Function:case TYPE.LeftParenthesis:case TYPE.LeftSquareBracket:case TYPE.LeftCurlyBracket:level++;break}length++;if(token.balance<=startIdx){break}}while(token=getNextToken(length));return length}function anyValue(token,getNextToken){if(!token){return 0}var startIdx=token.index;var length=0;scan:do{switch(token.type){case TYPE.BadString:case TYPE.BadUrl:break scan;case TYPE.RightCurlyBracket:case TYPE.RightParenthesis:case TYPE.RightSquareBracket:if(token.balance>token.index||token.balance<startIdx){break scan}break}length++;if(token.balance<=startIdx){break}}while(token=getNextToken(length));return length}function dimension(type){return function(token,getNextToken,opts){if(token===null||token.type!==TYPE.Dimension){return 0}var numberEnd=consumeNumber(token.value,0);if(type!==null){var reverseSolidusOffset=token.value.indexOf("\\",numberEnd);var unit=reverseSolidusOffset===-1||!isPostfixIeHack(token.value,reverseSolidusOffset)?token.value.substr(numberEnd):token.value.substring(numberEnd,reverseSolidusOffset);if(type.hasOwnProperty(unit.toLowerCase())===false){return 0}}if(outOfRange(opts,token.value,numberEnd)){return 0}return 1}}function percentage(token,getNextToken,opts){if(token===null||token.type!==TYPE.Percentage){return 0}if(outOfRange(opts,token.value,token.value.length-1)){return 0}return 1}function zero(next){if(typeof next!=="function"){next=function(){return 0}}return function(token,getNextToken,opts){if(token!==null&&token.type===TYPE.Number){if(Number(token.value)===0){return 1}}return next(token,getNextToken,opts)}}function number(token,getNextToken,opts){if(token===null){return 0}var numberEnd=consumeNumber(token.value,0);var isNumber=numberEnd===token.value.length;if(!isNumber&&!isPostfixIeHack(token.value,numberEnd)){return 0}if(outOfRange(opts,token.value,numberEnd)){return 0}return 1}function integer(token,getNextToken,opts){if(token===null||token.type!==TYPE.Number){return 0}var i=token.value.charCodeAt(0)===43||token.value.charCodeAt(0)===45?1:0;for(;i<token.value.length;i++){if(!isDigit(token.value.charCodeAt(i))){return 0}}if(outOfRange(opts,token.value,i)){return 0}return 1}module.exports={"ident-token":tokenType(TYPE.Ident),"function-token":tokenType(TYPE.Function),"at-keyword-token":tokenType(TYPE.AtKeyword),"hash-token":tokenType(TYPE.Hash),"string-token":tokenType(TYPE.String),"bad-string-token":tokenType(TYPE.BadString),"url-token":tokenType(TYPE.Url),"bad-url-token":tokenType(TYPE.BadUrl),"delim-token":tokenType(TYPE.Delim),"number-token":tokenType(TYPE.Number),"percentage-token":tokenType(TYPE.Percentage),"dimension-token":tokenType(TYPE.Dimension),"whitespace-token":tokenType(TYPE.WhiteSpace),"CDO-token":tokenType(TYPE.CDO),"CDC-token":tokenType(TYPE.CDC),"colon-token":tokenType(TYPE.Colon),"semicolon-token":tokenType(TYPE.Semicolon),"comma-token":tokenType(TYPE.Comma),"[-token":tokenType(TYPE.LeftSquareBracket),"]-token":tokenType(TYPE.RightSquareBracket),"(-token":tokenType(TYPE.LeftParenthesis),")-token":tokenType(TYPE.RightParenthesis),"{-token":tokenType(TYPE.LeftCurlyBracket),"}-token":tokenType(TYPE.RightCurlyBracket),string:tokenType(TYPE.String),ident:tokenType(TYPE.Ident),"custom-ident":customIdent,"custom-property-name":customPropertyName,"hex-color":hexColor,"id-selector":idSelector,"an-plus-b":anPlusB,urange:urange,"declaration-value":declarationValue,"any-value":anyValue,dimension:calc(dimension(null)),angle:calc(dimension(ANGLE)),decibel:calc(dimension(DECIBEL)),frequency:calc(dimension(FREQUENCY)),flex:calc(dimension(FLEX)),length:calc(zero(dimension(LENGTH))),resolution:calc(dimension(RESOLUTION)),semitones:calc(dimension(SEMITONES)),time:calc(dimension(TIME)),percentage:calc(percentage),zero:zero(),number:calc(number),integer:calc(integer),"-ms-legacy-expression":func("expression")}},{"../tokenizer":106,"./generic-an-plus-b":12,"./generic-urange":13}],15:[function(require,module,exports){var createCustomError=require("../../utils/createCustomError");var SyntaxParseError=function(message,input,offset){var error=createCustomError("SyntaxParseError",message);error.input=input;error.offset=offset;error.rawMessage=message;error.message=error.rawMessage+"\n"+"  "+error.input+"\n"+"--"+new Array((error.offset||error.input.length)+1).join("-")+"^";return error};module.exports={SyntaxParseError:SyntaxParseError}},{"../../utils/createCustomError":109}],16:[function(require,module,exports){function noop(value){return value}function generateMultiplier(multiplier){if(multiplier.min===0&&multiplier.max===0){return"*"}if(multiplier.min===0&&multiplier.max===1){return"?"}if(multiplier.min===1&&multiplier.max===0){return multiplier.comma?"#":"+"}if(multiplier.min===1&&multiplier.max===1){return""}return(multiplier.comma?"#":"")+(multiplier.min===multiplier.max?"{"+multiplier.min+"}":"{"+multiplier.min+","+(multiplier.max!==0?multiplier.max:"")+"}")}function generateTypeOpts(node){switch(node.type){case"Range":return" ["+(node.min===null?"-∞":node.min)+","+(node.max===null?"∞":node.max)+"]";default:throw new Error("Unknown node type `"+node.type+"`")}}function generateSequence(node,forceBraces,decorate){var result=node.terms.map(function(term){return generate(term,forceBraces,decorate)}).join(node.combinator===" "?" ":" "+node.combinator+" ");if(node.explicit||forceBraces){result=(result[0]!==","?"[ ":"[")+result+" ]"}return result}function generate(node,forceBraces,decorate){var result;switch(node.type){case"Group":result=generateSequence(node,forceBraces,decorate)+(node.disallowEmpty?"!":"");break;case"Multiplier":return generate(node.term,forceBraces,decorate)+decorate(generateMultiplier(node),node);case"Type":result="<"+node.name+(node.opts?decorate(generateTypeOpts(node.opts),node.opts):"")+">";break;case"Property":result="<'"+node.name+"'>";break;case"Keyword":result=node.name;break;case"AtKeyword":result="@"+node.name;break;case"Function":result=node.name+"(";break;case"String":case"Token":result=node.value;break;case"Comma":result=",";break;default:throw new Error("Unknown node type `"+node.type+"`")}return decorate(result,node)}module.exports=function(node,options){var decorate=noop;var forceBraces=false;if(typeof options==="function"){decorate=options}else if(options){forceBraces=Boolean(options.forceBraces);if(typeof options.decorate==="function"){decorate=options.decorate}}return generate(node,forceBraces,decorate)}},{}],17:[function(require,module,exports){module.exports={SyntaxParseError:require("./error").SyntaxParseError,parse:require("./parse"),generate:require("./generate"),walk:require("./walk")}},{"./error":15,"./generate":16,"./parse":18,"./walk":20}],18:[function(require,module,exports){var Tokenizer=require("./tokenizer");var TAB=9;var N=10;var F=12;var R=13;var SPACE=32;var EXCLAMATIONMARK=33;var NUMBERSIGN=35;var AMPERSAND=38;var APOSTROPHE=39;var LEFTPARENTHESIS=40;var RIGHTPARENTHESIS=41;var ASTERISK=42;var PLUSSIGN=43;var COMMA=44;var HYPERMINUS=45;var LESSTHANSIGN=60;var GREATERTHANSIGN=62;var QUESTIONMARK=63;var COMMERCIALAT=64;var LEFTSQUAREBRACKET=91;var RIGHTSQUAREBRACKET=93;var LEFTCURLYBRACKET=123;var VERTICALLINE=124;var RIGHTCURLYBRACKET=125;var INFINITY=8734;var NAME_CHAR=createCharMap(function(ch){return/[a-zA-Z0-9\-]/.test(ch)});var COMBINATOR_PRECEDENCE={" ":1,"&&":2,"||":3,"|":4};function createCharMap(fn){var array=typeof Uint32Array==="function"?new Uint32Array(128):new Array(128);for(var i=0;i<128;i++){array[i]=fn(String.fromCharCode(i))?1:0}return array}function scanSpaces(tokenizer){return tokenizer.substringToPos(tokenizer.findWsEnd(tokenizer.pos))}function scanWord(tokenizer){var end=tokenizer.pos;for(;end<tokenizer.str.length;end++){var code=tokenizer.str.charCodeAt(end);if(code>=128||NAME_CHAR[code]===0){break}}if(tokenizer.pos===end){tokenizer.error("Expect a keyword")}return tokenizer.substringToPos(end)}function scanNumber(tokenizer){var end=tokenizer.pos;for(;end<tokenizer.str.length;end++){var code=tokenizer.str.charCodeAt(end);if(code<48||code>57){break}}if(tokenizer.pos===end){tokenizer.error("Expect a number")}return tokenizer.substringToPos(end)}function scanString(tokenizer){var end=tokenizer.str.indexOf("'",tokenizer.pos+1);if(end===-1){tokenizer.pos=tokenizer.str.length;tokenizer.error("Expect an apostrophe")}return tokenizer.substringToPos(end+1)}function readMultiplierRange(tokenizer){var min=null;var max=null;tokenizer.eat(LEFTCURLYBRACKET);min=scanNumber(tokenizer);if(tokenizer.charCode()===COMMA){tokenizer.pos++;if(tokenizer.charCode()!==RIGHTCURLYBRACKET){max=scanNumber(tokenizer)}}else{max=min}tokenizer.eat(RIGHTCURLYBRACKET);return{min:Number(min),max:max?Number(max):0}}function readMultiplier(tokenizer){var range=null;var comma=false;switch(tokenizer.charCode()){case ASTERISK:tokenizer.pos++;range={min:0,max:0};break;case PLUSSIGN:tokenizer.pos++;range={min:1,max:0};break;case QUESTIONMARK:tokenizer.pos++;range={min:0,max:1};break;case NUMBERSIGN:tokenizer.pos++;comma=true;if(tokenizer.charCode()===LEFTCURLYBRACKET){range=readMultiplierRange(tokenizer)}else{range={min:1,max:0}}break;case LEFTCURLYBRACKET:range=readMultiplierRange(tokenizer);break;default:return null}return{type:"Multiplier",comma:comma,min:range.min,max:range.max,term:null}}function maybeMultiplied(tokenizer,node){var multiplier=readMultiplier(tokenizer);if(multiplier!==null){multiplier.term=node;return multiplier}return node}function maybeToken(tokenizer){var ch=tokenizer.peek();if(ch===""){return null}return{type:"Token",value:ch}}function readProperty(tokenizer){var name;tokenizer.eat(LESSTHANSIGN);tokenizer.eat(APOSTROPHE);name=scanWord(tokenizer);tokenizer.eat(APOSTROPHE);tokenizer.eat(GREATERTHANSIGN);return maybeMultiplied(tokenizer,{type:"Property",name:name})}function readTypeRange(tokenizer){var min=null;var max=null;var sign=1;tokenizer.eat(LEFTSQUAREBRACKET);if(tokenizer.charCode()===HYPERMINUS){tokenizer.peek();sign=-1}if(sign==-1&&tokenizer.charCode()===INFINITY){tokenizer.peek()}else{min=sign*Number(scanNumber(tokenizer))}scanSpaces(tokenizer);tokenizer.eat(COMMA);scanSpaces(tokenizer);if(tokenizer.charCode()===INFINITY){tokenizer.peek()}else{sign=1;if(tokenizer.charCode()===HYPERMINUS){tokenizer.peek();sign=-1}max=sign*Number(scanNumber(tokenizer))}tokenizer.eat(RIGHTSQUAREBRACKET);if(min===null&&max===null){return null}return{type:"Range",min:min,max:max}}function readType(tokenizer){var name;var opts=null;tokenizer.eat(LESSTHANSIGN);name=scanWord(tokenizer);if(tokenizer.charCode()===LEFTPARENTHESIS&&tokenizer.nextCharCode()===RIGHTPARENTHESIS){tokenizer.pos+=2;name+="()"}if(tokenizer.charCodeAt(tokenizer.findWsEnd(tokenizer.pos))===LEFTSQUAREBRACKET){scanSpaces(tokenizer);opts=readTypeRange(tokenizer)}tokenizer.eat(GREATERTHANSIGN);return maybeMultiplied(tokenizer,{type:"Type",name:name,opts:opts})}function readKeywordOrFunction(tokenizer){var name;name=scanWord(tokenizer);if(tokenizer.charCode()===LEFTPARENTHESIS){tokenizer.pos++;return{type:"Function",name:name}}return maybeMultiplied(tokenizer,{type:"Keyword",name:name})}function regroupTerms(terms,combinators){function createGroup(terms,combinator){return{type:"Group",terms:terms,combinator:combinator,disallowEmpty:false,explicit:false}}combinators=Object.keys(combinators).sort(function(a,b){return COMBINATOR_PRECEDENCE[a]-COMBINATOR_PRECEDENCE[b]});while(combinators.length>0){var combinator=combinators.shift();for(var i=0,subgroupStart=0;i<terms.length;i++){var term=terms[i];if(term.type==="Combinator"){if(term.value===combinator){if(subgroupStart===-1){subgroupStart=i-1}terms.splice(i,1);i--}else{if(subgroupStart!==-1&&i-subgroupStart>1){terms.splice(subgroupStart,i-subgroupStart,createGroup(terms.slice(subgroupStart,i),combinator));i=subgroupStart+1}subgroupStart=-1}}}if(subgroupStart!==-1&&combinators.length){terms.splice(subgroupStart,i-subgroupStart,createGroup(terms.slice(subgroupStart,i),combinator))}}return combinator}function readImplicitGroup(tokenizer){var terms=[];var combinators={};var token;var prevToken=null;var prevTokenPos=tokenizer.pos;while(token=peek(tokenizer)){if(token.type!=="Spaces"){if(token.type==="Combinator"){if(prevToken===null||prevToken.type==="Combinator"){tokenizer.pos=prevTokenPos;tokenizer.error("Unexpected combinator")}combinators[token.value]=true}else if(prevToken!==null&&prevToken.type!=="Combinator"){combinators[" "]=true;terms.push({type:"Combinator",value:" "})}terms.push(token);prevToken=token;prevTokenPos=tokenizer.pos}}if(prevToken!==null&&prevToken.type==="Combinator"){tokenizer.pos-=prevTokenPos;tokenizer.error("Unexpected combinator")}return{type:"Group",terms:terms,combinator:regroupTerms(terms,combinators)||" ",disallowEmpty:false,explicit:false}}function readGroup(tokenizer){var result;tokenizer.eat(LEFTSQUAREBRACKET);result=readImplicitGroup(tokenizer);tokenizer.eat(RIGHTSQUAREBRACKET);result.explicit=true;if(tokenizer.charCode()===EXCLAMATIONMARK){tokenizer.pos++;result.disallowEmpty=true}return result}function peek(tokenizer){var code=tokenizer.charCode();if(code<128&&NAME_CHAR[code]===1){return readKeywordOrFunction(tokenizer)}switch(code){case RIGHTSQUAREBRACKET:break;case LEFTSQUAREBRACKET:return maybeMultiplied(tokenizer,readGroup(tokenizer));case LESSTHANSIGN:return tokenizer.nextCharCode()===APOSTROPHE?readProperty(tokenizer):readType(tokenizer);case VERTICALLINE:return{type:"Combinator",value:tokenizer.substringToPos(tokenizer.nextCharCode()===VERTICALLINE?tokenizer.pos+2:tokenizer.pos+1)};case AMPERSAND:tokenizer.pos++;tokenizer.eat(AMPERSAND);return{type:"Combinator",value:"&&"};case COMMA:tokenizer.pos++;return{type:"Comma"};case APOSTROPHE:return maybeMultiplied(tokenizer,{type:"String",value:scanString(tokenizer)});case SPACE:case TAB:case N:case R:case F:return{type:"Spaces",value:scanSpaces(tokenizer)};case COMMERCIALAT:code=tokenizer.nextCharCode();if(code<128&&NAME_CHAR[code]===1){tokenizer.pos++;return{type:"AtKeyword",name:scanWord(tokenizer)}}return maybeToken(tokenizer);case ASTERISK:case PLUSSIGN:case QUESTIONMARK:case NUMBERSIGN:case EXCLAMATIONMARK:break;case LEFTCURLYBRACKET:code=tokenizer.nextCharCode();if(code<48||code>57){return maybeToken(tokenizer)}break;default:return maybeToken(tokenizer)}}function parse(str){var tokenizer=new Tokenizer(str);var result=readImplicitGroup(tokenizer);if(tokenizer.pos!==str.length){tokenizer.error("Unexpected input")}if(result.terms.length===1&&result.terms[0].type==="Group"){result=result.terms[0]}return result}parse("[a&&<b>#|<'c'>*||e() f{2} /,(% g#{1,2} h{2,})]!");module.exports=parse},{"./tokenizer":19}],19:[function(require,module,exports){var SyntaxParseError=require("./error").SyntaxParseError;var TAB=9;var N=10;var F=12;var R=13;var SPACE=32;var Tokenizer=function(str){this.str=str;this.pos=0};Tokenizer.prototype={charCodeAt:function(pos){return pos<this.str.length?this.str.charCodeAt(pos):0},charCode:function(){return this.charCodeAt(this.pos)},nextCharCode:function(){return this.charCodeAt(this.pos+1)},nextNonWsCode:function(pos){return this.charCodeAt(this.findWsEnd(pos))},findWsEnd:function(pos){for(;pos<this.str.length;pos++){var code=this.str.charCodeAt(pos);if(code!==R&&code!==N&&code!==F&&code!==SPACE&&code!==TAB){break}}return pos},substringToPos:function(end){return this.str.substring(this.pos,this.pos=end)},eat:function(code){if(this.charCode()!==code){this.error("Expect `"+String.fromCharCode(code)+"`")}this.pos++},peek:function(){return this.pos<this.str.length?this.str.charAt(this.pos++):""},error:function(message){throw new SyntaxParseError(message,this.str,this.pos)}};module.exports=Tokenizer},{"./error":15}],20:[function(require,module,exports){var noop=function(){};function ensureFunction(value){return typeof value==="function"?value:noop}module.exports=function(node,options,context){function walk(node){enter.call(context,node);switch(node.type){case"Group":node.terms.forEach(walk);break;case"Multiplier":walk(node.term);break;case"Type":case"Property":case"Keyword":case"AtKeyword":case"Function":case"String":case"Token":case"Comma":break;default:throw new Error("Unknown type: "+node.type)}leave.call(context,node)}var enter=noop;var leave=noop;if(typeof options==="function"){enter=options}else if(options){enter=ensureFunction(options.enter);leave=ensureFunction(options.leave)}if(enter===noop&&leave===noop){throw new Error("Neither `enter` nor `leave` walker handler is set or both aren't a function")}walk(node,context)}},{}],21:[function(require,module,exports){var parse=require("./grammar/parse");var MATCH={type:"Match"};var MISMATCH={type:"Mismatch"};var DISALLOW_EMPTY={type:"DisallowEmpty"};var LEFTPARENTHESIS=40;var RIGHTPARENTHESIS=41;function createCondition(match,thenBranch,elseBranch){if(thenBranch===MATCH&&elseBranch===MISMATCH){return match}if(match===MATCH&&thenBranch===MATCH&&elseBranch===MATCH){return match}if(match.type==="If"&&match.else===MISMATCH&&thenBranch===MATCH){thenBranch=match.then;match=match.match}return{type:"If",match:match,then:thenBranch,else:elseBranch}}function isFunctionType(name){return name.length>2&&name.charCodeAt(name.length-2)===LEFTPARENTHESIS&&name.charCodeAt(name.length-1)===RIGHTPARENTHESIS}function isEnumCapatible(term){return term.type==="Keyword"||term.type==="AtKeyword"||term.type==="Function"||term.type==="Type"&&isFunctionType(term.name)}function buildGroupMatchGraph(combinator,terms,atLeastOneTermMatched){switch(combinator){case" ":var result=MATCH;for(var i=terms.length-1;i>=0;i--){var term=terms[i];result=createCondition(term,result,MISMATCH)};return result;case"|":var result=MISMATCH;var map=null;for(var i=terms.length-1;i>=0;i--){var term=terms[i];if(isEnumCapatible(term)){if(map===null&&i>0&&isEnumCapatible(terms[i-1])){map=Object.create(null);result=createCondition({type:"Enum",map:map},MATCH,result)}if(map!==null){var key=(isFunctionType(term.name)?term.name.slice(0,-1):term.name).toLowerCase();if(key in map===false){map[key]=term;continue}}}map=null;result=createCondition(term,MATCH,result)};return result;case"&&":if(terms.length>5){return{type:"MatchOnce",terms:terms,all:true}}var result=MISMATCH;for(var i=terms.length-1;i>=0;i--){var term=terms[i];var thenClause;if(terms.length>1){thenClause=buildGroupMatchGraph(combinator,terms.filter(function(newGroupTerm){return newGroupTerm!==term}),false)}else{thenClause=MATCH}result=createCondition(term,thenClause,result)};return result;case"||":if(terms.length>5){return{type:"MatchOnce",terms:terms,all:false}}var result=atLeastOneTermMatched?MATCH:MISMATCH;for(var i=terms.length-1;i>=0;i--){var term=terms[i];var thenClause;if(terms.length>1){thenClause=buildGroupMatchGraph(combinator,terms.filter(function(newGroupTerm){return newGroupTerm!==term}),true)}else{thenClause=MATCH}result=createCondition(term,thenClause,result)};return result}}function buildMultiplierMatchGraph(node){var result=MATCH;var matchTerm=buildMatchGraph(node.term);if(node.max===0){matchTerm=createCondition(matchTerm,DISALLOW_EMPTY,MISMATCH);result=createCondition(matchTerm,null,MISMATCH);result.then=createCondition(MATCH,MATCH,result);if(node.comma){result.then.else=createCondition({type:"Comma",syntax:node},result,MISMATCH)}}else{for(var i=node.min||1;i<=node.max;i++){if(node.comma&&result!==MATCH){result=createCondition({type:"Comma",syntax:node},result,MISMATCH)}result=createCondition(matchTerm,createCondition(MATCH,MATCH,result),MISMATCH)}}if(node.min===0){result=createCondition(MATCH,MATCH,result)}else{for(var i=0;i<node.min-1;i++){if(node.comma&&result!==MATCH){result=createCondition({type:"Comma",syntax:node},result,MISMATCH)}result=createCondition(matchTerm,result,MISMATCH)}}return result}function buildMatchGraph(node){if(typeof node==="function"){return{type:"Generic",fn:node}}switch(node.type){case"Group":var result=buildGroupMatchGraph(node.combinator,node.terms.map(buildMatchGraph),false);if(node.disallowEmpty){result=createCondition(result,DISALLOW_EMPTY,MISMATCH)}return result;case"Multiplier":return buildMultiplierMatchGraph(node);case"Type":case"Property":return{type:node.type,name:node.name,syntax:node};case"Keyword":return{type:node.type,name:node.name.toLowerCase(),syntax:node};case"AtKeyword":return{type:node.type,name:"@"+node.name.toLowerCase(),syntax:node};case"Function":return{type:node.type,name:node.name.toLowerCase()+"(",syntax:node};case"String":if(node.value.length===3){return{type:"Token",value:node.value.charAt(1),syntax:node}}return{type:node.type,value:node.value.substr(1,node.value.length-2).replace(/\\'/g,"'"),syntax:node};case"Token":return{type:node.type,value:node.value,syntax:node};case"Comma":return{type:node.type,syntax:node};default:throw new Error("Unknown node type:",node.type)}}module.exports={MATCH:MATCH,MISMATCH:MISMATCH,DISALLOW_EMPTY:DISALLOW_EMPTY,buildMatchGraph:function(syntaxTree,ref){if(typeof syntaxTree==="string"){syntaxTree=parse(syntaxTree)}return{type:"MatchGraph",match:buildMatchGraph(syntaxTree),syntax:ref||null,source:syntaxTree}}}},{"./grammar/parse":18}],22:[function(require,module,exports){var hasOwnProperty=Object.prototype.hasOwnProperty;var matchGraph=require("./match-graph");var MATCH=matchGraph.MATCH;var MISMATCH=matchGraph.MISMATCH;var DISALLOW_EMPTY=matchGraph.DISALLOW_EMPTY;var TYPE=require("../tokenizer/const").TYPE;var STUB=0;var TOKEN=1;var OPEN_SYNTAX=2;var CLOSE_SYNTAX=3;var EXIT_REASON_MATCH="Match";var EXIT_REASON_MISMATCH="Mismatch";var EXIT_REASON_ITERATION_LIMIT="Maximum iteration number exceeded (please fill an issue on https://github.com/csstree/csstree/issues)";var ITERATION_LIMIT=15e3;var totalIterationCount=0;function reverseList(list){var prev=null;var next=null;var item=list;while(item!==null){next=item.prev;item.prev=prev;prev=item;item=next}return prev}function areStringsEqualCaseInsensitive(testStr,referenceStr){if(testStr.length!==referenceStr.length){return false}for(var i=0;i<testStr.length;i++){var testCode=testStr.charCodeAt(i);var referenceCode=referenceStr.charCodeAt(i);if(testCode>=65&&testCode<=90){testCode=testCode|32}if(testCode!==referenceCode){return false}}return true}function isCommaContextStart(token){if(token===null){return true}return token.type===TYPE.Comma||token.type===TYPE.Function||token.type===TYPE.LeftParenthesis||token.type===TYPE.LeftSquareBracket||token.type===TYPE.LeftCurlyBracket||token.type===TYPE.Delim}function isCommaContextEnd(token){if(token===null){return true}return token.type===TYPE.RightParenthesis||token.type===TYPE.RightSquareBracket||token.type===TYPE.RightCurlyBracket||token.type===TYPE.Delim}function internalMatch(tokens,state,syntaxes){function moveToNextToken(){do{tokenIndex++;token=tokenIndex<tokens.length?tokens[tokenIndex]:null}while(token!==null&&(token.type===TYPE.WhiteSpace||token.type===TYPE.Comment))}function getNextToken(offset){var nextIndex=tokenIndex+offset;return nextIndex<tokens.length?tokens[nextIndex]:null}function stateSnapshotFromSyntax(nextState,prev){return{nextState:nextState,matchStack:matchStack,syntaxStack:syntaxStack,thenStack:thenStack,tokenIndex:tokenIndex,prev:prev}}function pushThenStack(nextState){thenStack={nextState:nextState,matchStack:matchStack,syntaxStack:syntaxStack,prev:thenStack}}function pushElseStack(nextState){elseStack=stateSnapshotFromSyntax(nextState,elseStack)}function addTokenToMatch(){matchStack={type:TOKEN,syntax:state.syntax,token:token,prev:matchStack};moveToNextToken();syntaxStash=null;if(tokenIndex>longestMatch){longestMatch=tokenIndex}}function openSyntax(){syntaxStack={syntax:state.syntax,opts:state.syntax.opts||syntaxStack!==null&&syntaxStack.opts||null,prev:syntaxStack};matchStack={type:OPEN_SYNTAX,syntax:state.syntax,token:matchStack.token,prev:matchStack}}function closeSyntax(){if(matchStack.type===OPEN_SYNTAX){matchStack=matchStack.prev}else{matchStack={type:CLOSE_SYNTAX,syntax:syntaxStack.syntax,token:matchStack.token,prev:matchStack}}syntaxStack=syntaxStack.prev}var syntaxStack=null;var thenStack=null;var elseStack=null;var syntaxStash=null;var iterationCount=0;var exitReason=null;var token=null;var tokenIndex=-1;var longestMatch=0;var matchStack={type:STUB,syntax:null,token:null,prev:null};moveToNextToken();while(exitReason===null&&++iterationCount<ITERATION_LIMIT){switch(state.type){case"Match":if(thenStack===null){if(token!==null){if(tokenIndex!==tokens.length-1||token.value!=="\\0"&&token.value!=="\\9"){state=MISMATCH;break}}exitReason=EXIT_REASON_MATCH;break}state=thenStack.nextState;if(state===DISALLOW_EMPTY){if(thenStack.matchStack===matchStack){state=MISMATCH;break}else{state=MATCH}}while(thenStack.syntaxStack!==syntaxStack){closeSyntax()}thenStack=thenStack.prev;break;case"Mismatch":if(syntaxStash!==null&&syntaxStash!==false){if(elseStack===null||tokenIndex>elseStack.tokenIndex){elseStack=syntaxStash;syntaxStash=false}}else if(elseStack===null){exitReason=EXIT_REASON_MISMATCH;break}state=elseStack.nextState;thenStack=elseStack.thenStack;syntaxStack=elseStack.syntaxStack;matchStack=elseStack.matchStack;tokenIndex=elseStack.tokenIndex;token=tokenIndex<tokens.length?tokens[tokenIndex]:null;elseStack=elseStack.prev;break;case"MatchGraph":state=state.match;break;case"If":if(state.else!==MISMATCH){pushElseStack(state.else)}if(state.then!==MATCH){pushThenStack(state.then)}state=state.match;break;case"MatchOnce":state={type:"MatchOnceBuffer",syntax:state,index:0,mask:0};break;case"MatchOnceBuffer":var terms=state.syntax.terms;if(state.index===terms.length){if(state.mask===0||state.syntax.all){state=MISMATCH;break}state=MATCH;break}if(state.mask===(1<<terms.length)-1){state=MATCH;break}for(;state.index<terms.length;state.index++){var matchFlag=1<<state.index;if((state.mask&matchFlag)===0){pushElseStack(state);pushThenStack({type:"AddMatchOnce",syntax:state.syntax,mask:state.mask|matchFlag});state=terms[state.index++];break}}break;case"AddMatchOnce":state={type:"MatchOnceBuffer",syntax:state.syntax,index:0,mask:state.mask};break;case"Enum":if(token!==null){var name=token.value.toLowerCase();if(name.indexOf("\\")!==-1){name=name.replace(/\\[09].*$/,"")}if(hasOwnProperty.call(state.map,name)){state=state.map[name];break}}state=MISMATCH;break;case"Generic":var opts=syntaxStack!==null?syntaxStack.opts:null;var lastTokenIndex=tokenIndex+Math.floor(state.fn(token,getNextToken,opts));if(!isNaN(lastTokenIndex)&&lastTokenIndex>tokenIndex){while(tokenIndex<lastTokenIndex){addTokenToMatch()}state=MATCH}else{state=MISMATCH}break;case"Type":case"Property":var syntaxDict=state.type==="Type"?"types":"properties";var dictSyntax=hasOwnProperty.call(syntaxes,syntaxDict)?syntaxes[syntaxDict][state.name]:null;if(!dictSyntax||!dictSyntax.match){throw new Error("Bad syntax reference: "+(state.type==="Type"?"<"+state.name+">":"<'"+state.name+"'>"))}if(syntaxStash!==false&&token!==null&&state.type==="Type"){var lowPriorityMatching=state.name==="custom-ident"&&token.type===TYPE.Ident||state.name==="length"&&token.value==="0";if(lowPriorityMatching){if(syntaxStash===null){syntaxStash=stateSnapshotFromSyntax(state,elseStack)}state=MISMATCH;break}}openSyntax();state=dictSyntax.match;break;case"Keyword":var name=state.name;if(token!==null){var keywordName=token.value;if(keywordName.indexOf("\\")!==-1){keywordName=keywordName.replace(/\\[09].*$/,"")}if(areStringsEqualCaseInsensitive(keywordName,name)){addTokenToMatch();state=MATCH;break}}state=MISMATCH;break;case"AtKeyword":case"Function":if(token!==null&&areStringsEqualCaseInsensitive(token.value,state.name)){addTokenToMatch();state=MATCH;break}state=MISMATCH;break;case"Token":if(token!==null&&token.value===state.value){addTokenToMatch();state=MATCH;break}state=MISMATCH;break;case"Comma":if(token!==null&&token.type===TYPE.Comma){if(isCommaContextStart(matchStack.token)){state=MISMATCH}else{addTokenToMatch();state=isCommaContextEnd(token)?MISMATCH:MATCH}}else{state=isCommaContextStart(matchStack.token)||isCommaContextEnd(token)?MATCH:MISMATCH}break;case"String":var string="";for(var lastTokenIndex=tokenIndex;lastTokenIndex<tokens.length&&string.length<state.value.length;lastTokenIndex++){string+=tokens[lastTokenIndex].value}if(areStringsEqualCaseInsensitive(string,state.value)){while(tokenIndex<lastTokenIndex){addTokenToMatch()}state=MATCH}else{state=MISMATCH}break;default:throw new Error("Unknown node type: "+state.type)}}totalIterationCount+=iterationCount;switch(exitReason){case null:console.warn("[csstree-match] BREAK after "+ITERATION_LIMIT+" iterations");exitReason=EXIT_REASON_ITERATION_LIMIT;matchStack=null;break;case EXIT_REASON_MATCH:while(syntaxStack!==null){closeSyntax()}break;default:matchStack=null}return{tokens:tokens,reason:exitReason,iterations:iterationCount,match:matchStack,longestMatch:longestMatch}}function matchAsList(tokens,matchGraph,syntaxes){var matchResult=internalMatch(tokens,matchGraph,syntaxes||{});if(matchResult.match!==null){var item=reverseList(matchResult.match).prev;matchResult.match=[];while(item!==null){switch(item.type){case STUB:break;case OPEN_SYNTAX:case CLOSE_SYNTAX:matchResult.match.push({type:item.type,syntax:item.syntax});break;default:matchResult.match.push({token:item.token.value,node:item.token.node});break}item=item.prev}}return matchResult}function matchAsTree(tokens,matchGraph,syntaxes){var matchResult=internalMatch(tokens,matchGraph,syntaxes||{});if(matchResult.match===null){return matchResult}var item=matchResult.match;var host=matchResult.match={syntax:matchGraph.syntax||null,match:[]};var hostStack=[host];item=reverseList(item).prev;while(item!==null){switch(item.type){case OPEN_SYNTAX:host.match.push(host={syntax:item.syntax,match:[]});hostStack.push(host);break;case CLOSE_SYNTAX:hostStack.pop();host=hostStack[hostStack.length-1];break;default:host.match.push({syntax:item.syntax||null,token:item.token.value,node:item.token.node})}item=item.prev}return matchResult}module.exports={matchAsList:matchAsList,matchAsTree:matchAsTree,getTotalIterationCount:function(){return totalIterationCount}}},{"../tokenizer/const":105,"./match-graph":21}],23:[function(require,module,exports){var tokenize=require("../tokenizer");var TokenStream=require("../common/TokenStream");var tokenStream=new TokenStream;var astToTokens={decorator:function(handlers){var curNode=null
;var prev={len:0,node:null};var nodes=[prev];var buffer="";return{children:handlers.children,node:function(node){var tmp=curNode;curNode=node;handlers.node.call(this,node);curNode=tmp},chunk:function(chunk){buffer+=chunk;if(prev.node!==curNode){nodes.push({len:chunk.length,node:curNode})}else{prev.len+=chunk.length}},result:function(){return prepareTokens(buffer,nodes)}}}};function prepareTokens(str,nodes){var tokens=[];var nodesOffset=0;var nodesIndex=0;var currentNode=nodes?nodes[nodesIndex].node:null;tokenize(str,tokenStream);while(!tokenStream.eof){if(nodes){while(nodesIndex<nodes.length&&nodesOffset+nodes[nodesIndex].len<=tokenStream.tokenStart){nodesOffset+=nodes[nodesIndex++].len;currentNode=nodes[nodesIndex].node}}tokens.push({type:tokenStream.tokenType,value:tokenStream.getTokenValue(),index:tokenStream.tokenIndex,balance:tokenStream.balance[tokenStream.tokenIndex],node:currentNode});tokenStream.next()}return tokens}module.exports=function(value,syntax){if(typeof value==="string"){return prepareTokens(value,null)}return syntax.generate(value,astToTokens)}},{"../common/TokenStream":5,"../tokenizer":106}],24:[function(require,module,exports){var List=require("../common/List");function getFirstMatchNode(matchNode){if("node"in matchNode){return matchNode.node}return getFirstMatchNode(matchNode.match[0])}function getLastMatchNode(matchNode){if("node"in matchNode){return matchNode.node}return getLastMatchNode(matchNode.match[matchNode.match.length-1])}function matchFragments(lexer,ast,match,type,name){function findFragments(matchNode){if(matchNode.syntax!==null&&matchNode.syntax.type===type&&matchNode.syntax.name===name){var start=getFirstMatchNode(matchNode);var end=getLastMatchNode(matchNode);lexer.syntax.walk(ast,function(node,item,list){if(node===start){var nodes=new List;do{nodes.appendData(item.data);if(item.data===end){break}item=item.next}while(item!==null);fragments.push({parent:list,nodes:nodes})}})}if(Array.isArray(matchNode.match)){matchNode.match.forEach(findFragments)}}var fragments=[];if(match.matched!==null){findFragments(match.matched)}return fragments}module.exports={matchFragments:matchFragments}},{"../common/List":2}],25:[function(require,module,exports){var List=require("../common/List");var hasOwnProperty=Object.prototype.hasOwnProperty;function isValidNumber(value){return typeof value==="number"&&isFinite(value)&&Math.floor(value)===value&&value>=0}function isValidLocation(loc){return Boolean(loc)&&isValidNumber(loc.offset)&&isValidNumber(loc.line)&&isValidNumber(loc.column)}function createNodeStructureChecker(type,fields){return function checkNode(node,warn){if(!node||node.constructor!==Object){return warn(node,"Type of node should be an Object")}for(var key in node){var valid=true;if(hasOwnProperty.call(node,key)===false){continue}if(key==="type"){if(node.type!==type){warn(node,"Wrong node type `"+node.type+"`, expected `"+type+"`")}}else if(key==="loc"){if(node.loc===null){continue}else if(node.loc&&node.loc.constructor===Object){if(typeof node.loc.source!=="string"){key+=".source"}else if(!isValidLocation(node.loc.start)){key+=".start"}else if(!isValidLocation(node.loc.end)){key+=".end"}else{continue}}valid=false}else if(fields.hasOwnProperty(key)){for(var i=0,valid=false;!valid&&i<fields[key].length;i++){var fieldType=fields[key][i];switch(fieldType){case String:valid=typeof node[key]==="string";break;case Boolean:valid=typeof node[key]==="boolean";break;case null:valid=node[key]===null;break;default:if(typeof fieldType==="string"){valid=node[key]&&node[key].type===fieldType}else if(Array.isArray(fieldType)){valid=node[key]instanceof List}}}}else{warn(node,"Unknown field `"+key+"` for "+type+" node type")}if(!valid){warn(node,"Bad value for `"+type+"."+key+"`")}}for(var key in fields){if(hasOwnProperty.call(fields,key)&&hasOwnProperty.call(node,key)===false){warn(node,"Field `"+type+"."+key+"` is missed")}}}}function processStructure(name,nodeType){var structure=nodeType.structure;var fields={type:String,loc:true};var docs={type:'"'+name+'"'};for(var key in structure){if(hasOwnProperty.call(structure,key)===false){continue}var docsTypes=[];var fieldTypes=fields[key]=Array.isArray(structure[key])?structure[key].slice():[structure[key]];for(var i=0;i<fieldTypes.length;i++){var fieldType=fieldTypes[i];if(fieldType===String||fieldType===Boolean){docsTypes.push(fieldType.name)}else if(fieldType===null){docsTypes.push("null")}else if(typeof fieldType==="string"){docsTypes.push("<"+fieldType+">")}else if(Array.isArray(fieldType)){docsTypes.push("List")}else{throw new Error("Wrong value `"+fieldType+"` in `"+name+"."+key+"` structure definition")}}docs[key]=docsTypes.join(" | ")}return{docs:docs,check:createNodeStructureChecker(name,fields)}}module.exports={getStructureFromConfig:function(config){var structure={};if(config.node){for(var name in config.node){if(hasOwnProperty.call(config.node,name)){var nodeType=config.node[name];if(nodeType.structure){structure[name]=processStructure(name,nodeType)}else{throw new Error("Missed `structure` field in `"+name+"` node type definition")}}}}return structure}}},{"../common/List":2}],26:[function(require,module,exports){function getTrace(node){function shouldPutToTrace(syntax){if(syntax===null){return false}return syntax.type==="Type"||syntax.type==="Property"||syntax.type==="Keyword"}function hasMatch(matchNode){if(Array.isArray(matchNode.match)){for(var i=0;i<matchNode.match.length;i++){if(hasMatch(matchNode.match[i])){if(shouldPutToTrace(matchNode.syntax)){result.unshift(matchNode.syntax)}return true}}}else if(matchNode.node===node){result=shouldPutToTrace(matchNode.syntax)?[matchNode.syntax]:[];return true}return false}var result=null;if(this.matched!==null){hasMatch(this.matched)}return result}function testNode(match,node,fn){var trace=getTrace.call(match,node);if(trace===null){return false}return trace.some(fn)}function isType(node,type){return testNode(this,node,function(matchNode){return matchNode.type==="Type"&&matchNode.name===type})}function isProperty(node,property){return testNode(this,node,function(matchNode){return matchNode.type==="Property"&&matchNode.name===property})}function isKeyword(node){return testNode(this,node,function(matchNode){return matchNode.type==="Keyword"})}module.exports={getTrace:getTrace,isType:isType,isProperty:isProperty,isKeyword:isKeyword}},{}],27:[function(require,module,exports){var OffsetToLocation=require("../common/OffsetToLocation");var SyntaxError=require("../common/SyntaxError");var TokenStream=require("../common/TokenStream");var List=require("../common/List");var tokenize=require("../tokenizer");var constants=require("../tokenizer/const");var findWhiteSpaceStart=require("../tokenizer/utils").findWhiteSpaceStart;var sequence=require("./sequence");var noop=function(){};var TYPE=constants.TYPE;var NAME=constants.NAME;var WHITESPACE=TYPE.WhiteSpace;var IDENT=TYPE.Ident;var FUNCTION=TYPE.Function;var URL=TYPE.Url;var HASH=TYPE.Hash;var PERCENTAGE=TYPE.Percentage;var NUMBER=TYPE.Number;var NUMBERSIGN=35;var NULL=0;function createParseContext(name){return function(){return this[name]()}}function processConfig(config){var parserConfig={context:{},scope:{},atrule:{},pseudo:{}};if(config.parseContext){for(var name in config.parseContext){switch(typeof config.parseContext[name]){case"function":parserConfig.context[name]=config.parseContext[name];break;case"string":parserConfig.context[name]=createParseContext(config.parseContext[name]);break}}}if(config.scope){for(var name in config.scope){parserConfig.scope[name]=config.scope[name]}}if(config.atrule){for(var name in config.atrule){var atrule=config.atrule[name];if(atrule.parse){parserConfig.atrule[name]=atrule.parse}}}if(config.pseudo){for(var name in config.pseudo){var pseudo=config.pseudo[name];if(pseudo.parse){parserConfig.pseudo[name]=pseudo.parse}}}if(config.node){for(var name in config.node){parserConfig[name]=config.node[name].parse}}return parserConfig}module.exports=function createParser(config){var parser={scanner:new TokenStream,locationMap:new OffsetToLocation,filename:"<unknown>",needPositions:false,onParseError:noop,onParseErrorThrow:false,parseAtrulePrelude:true,parseRulePrelude:true,parseValue:true,parseCustomProperty:false,readSequence:sequence,createList:function(){return new List},createSingleNodeList:function(node){return(new List).appendData(node)},getFirstListNode:function(list){return list&&list.first()},getLastListNode:function(list){return list.last()},parseWithFallback:function(consumer,fallback){var startToken=this.scanner.tokenIndex;try{return consumer.call(this)}catch(e){if(this.onParseErrorThrow){throw e}var fallbackNode=fallback.call(this,startToken);this.onParseErrorThrow=true;this.onParseError(e,fallbackNode);this.onParseErrorThrow=false;return fallbackNode}},lookupNonWSType:function(offset){do{var type=this.scanner.lookupType(offset++);if(type!==WHITESPACE){return type}}while(type!==NULL);return NULL},eat:function(tokenType){if(this.scanner.tokenType!==tokenType){var offset=this.scanner.tokenStart;var message=NAME[tokenType]+" is expected";switch(tokenType){case IDENT:if(this.scanner.tokenType===FUNCTION||this.scanner.tokenType===URL){offset=this.scanner.tokenEnd-1;message="Identifier is expected but function found"}else{message="Identifier is expected"}break;case HASH:if(this.scanner.isDelim(NUMBERSIGN)){this.scanner.next();offset++;message="Name is expected"}break;case PERCENTAGE:if(this.scanner.tokenType===NUMBER){offset=this.scanner.tokenEnd;message="Percent sign is expected"}break;default:if(this.scanner.source.charCodeAt(this.scanner.tokenStart)===tokenType){offset=offset+1}}this.error(message,offset)}this.scanner.next()},consume:function(tokenType){var value=this.scanner.getTokenValue();this.eat(tokenType);return value},consumeFunctionName:function(){var name=this.scanner.source.substring(this.scanner.tokenStart,this.scanner.tokenEnd-1);this.eat(FUNCTION);return name},getLocation:function(start,end){if(this.needPositions){return this.locationMap.getLocationRange(start,end,this.filename)}return null},getLocationFromList:function(list){if(this.needPositions){var head=this.getFirstListNode(list);var tail=this.getLastListNode(list);return this.locationMap.getLocationRange(head!==null?head.loc.start.offset-this.locationMap.startOffset:this.scanner.tokenStart,tail!==null?tail.loc.end.offset-this.locationMap.startOffset:this.scanner.tokenStart,this.filename)}return null},error:function(message,offset){var location=typeof offset!=="undefined"&&offset<this.scanner.source.length?this.locationMap.getLocation(offset):this.scanner.eof?this.locationMap.getLocation(findWhiteSpaceStart(this.scanner.source,this.scanner.source.length-1)):this.locationMap.getLocation(this.scanner.tokenStart);throw new SyntaxError(message||"Unexpected input",this.scanner.source,location.offset,location.line,location.column)}};config=processConfig(config||{});for(var key in config){parser[key]=config[key]}return function(source,options){options=options||{};var context=options.context||"default";var ast;tokenize(source,parser.scanner);parser.locationMap.setSource(source,options.offset,options.line,options.column);parser.filename=options.filename||"<unknown>";parser.needPositions=Boolean(options.positions);parser.onParseError=typeof options.onParseError==="function"?options.onParseError:noop;parser.onParseErrorThrow=false;parser.parseAtrulePrelude="parseAtrulePrelude"in options?Boolean(options.parseAtrulePrelude):true;parser.parseRulePrelude="parseRulePrelude"in options?Boolean(options.parseRulePrelude):true;parser.parseValue="parseValue"in options?Boolean(options.parseValue):true;parser.parseCustomProperty="parseCustomProperty"in options?Boolean(options.parseCustomProperty):false;if(!parser.context.hasOwnProperty(context)){throw new Error("Unknown context `"+context+"`")}ast=parser.context[context].call(parser,options);if(!parser.scanner.eof){parser.error()}return ast}}},{"../common/List":2,"../common/OffsetToLocation":3,"../common/SyntaxError":4,"../common/TokenStream":5,"../tokenizer":106,"../tokenizer/const":105,"../tokenizer/utils":107,"./sequence":28}],28:[function(require,module,exports){var TYPE=require("../tokenizer").TYPE;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;module.exports=function readSequence(recognizer){var children=this.createList();var child=null;var context={recognizer:recognizer,space:null,ignoreWS:false,ignoreWSAfter:false};this.scanner.skipSC();while(!this.scanner.eof){switch(this.scanner.tokenType){case COMMENT:this.scanner.next();continue;case WHITESPACE:if(context.ignoreWS){this.scanner.next()}else{context.space=this.WhiteSpace()}continue}child=recognizer.getNode.call(this,context);if(child===undefined){break}if(context.space!==null){children.push(context.space);context.space=null}children.push(child);if(context.ignoreWSAfter){context.ignoreWSAfter=false;context.ignoreWS=true}else{context.ignoreWS=false}}return children}},{"../tokenizer":106}],29:[function(require,module,exports){module.exports={parse:{prelude:null,block:function(){return this.Block(true)}}}},{}],30:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var STRING=TYPE.String;var IDENT=TYPE.Ident;var URL=TYPE.Url;var FUNCTION=TYPE.Function;var LEFTPARENTHESIS=TYPE.LeftParenthesis;module.exports={parse:{prelude:function(){var children=this.createList();this.scanner.skipSC();switch(this.scanner.tokenType){case STRING:children.push(this.String());break;case URL:case FUNCTION:children.push(this.Url());break;default:this.error("String or url() is expected")}if(this.lookupNonWSType(0)===IDENT||this.lookupNonWSType(0)===LEFTPARENTHESIS){children.push(this.WhiteSpace());children.push(this.MediaQueryList())}return children},block:null}}},{"../../tokenizer":106}],31:[function(require,module,exports){module.exports={"font-face":require("./font-face"),import:require("./import"),media:require("./media"),page:require("./page"),supports:require("./supports")}},{"./font-face":29,"./import":30,"./media":32,"./page":33,"./supports":34}],32:[function(require,module,exports){module.exports={parse:{prelude:function(){return this.createSingleNodeList(this.MediaQueryList())},block:function(){return this.Block(false)}}}},{}],33:[function(require,module,exports){module.exports={parse:{prelude:function(){return this.createSingleNodeList(this.SelectorList())},block:function(){return this.Block(true)}}}},{}],34:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var IDENT=TYPE.Ident;var FUNCTION=TYPE.Function;var COLON=TYPE.Colon;var LEFTPARENTHESIS=TYPE.LeftParenthesis;function consumeRaw(){return this.createSingleNodeList(this.Raw(this.scanner.tokenIndex,null,false))}function parentheses(){this.scanner.skipSC();if(this.scanner.tokenType===IDENT&&this.lookupNonWSType(1)===COLON){return this.createSingleNodeList(this.Declaration())}return readSequence.call(this)}function readSequence(){var children=this.createList();var space=null;var child;this.scanner.skipSC();scan:while(!this.scanner.eof){switch(this.scanner.tokenType){case WHITESPACE:space=this.WhiteSpace();continue;case COMMENT:this.scanner.next();continue;case FUNCTION:child=this.Function(consumeRaw,this.scope.AtrulePrelude);break;case IDENT:child=this.Identifier();break;case LEFTPARENTHESIS:child=this.Parentheses(parentheses,this.scope.AtrulePrelude);break;default:break scan}if(space!==null){children.push(space);space=null}children.push(child)}return children}module.exports={parse:{prelude:function(){var children=readSequence.call(this);if(this.getFirstListNode(children)===null){this.error("Condition is expected")}return children},block:function(){return this.Block(false)}}}},{"../../tokenizer":106}],35:[function(require,module,exports){var data=require("../../../data");module.exports={generic:true,types:data.types,properties:data.properties,node:require("../node")}},{"../../../data":1,"../node":84}],36:[function(require,module,exports){var hasOwnProperty=Object.prototype.hasOwnProperty;var shape={generic:true,types:{},properties:{},parseContext:{},scope:{},atrule:["parse"],pseudo:["parse"],node:["name","structure","parse","generate","walkContext"]};function isObject(value){return value&&value.constructor===Object}function copy(value){if(isObject(value)){var res={};for(var key in value){if(hasOwnProperty.call(value,key)){res[key]=value[key]}}return res}else{return value}}function extend(dest,src){for(var key in src){if(hasOwnProperty.call(src,key)){if(isObject(dest[key])){extend(dest[key],copy(src[key]))}else{dest[key]=copy(src[key])}}}}function mix(dest,src,shape){for(var key in shape){if(hasOwnProperty.call(shape,key)===false){continue}if(shape[key]===true){if(key in src){if(hasOwnProperty.call(src,key)){dest[key]=copy(src[key])}}}else if(shape[key]){if(isObject(shape[key])){var res={};extend(res,dest[key]);extend(res,src[key]);dest[key]=res}else if(Array.isArray(shape[key])){var res={};var innerShape=shape[key].reduce(function(s,k){s[k]=true;return s},{});for(var name in dest[key]){if(hasOwnProperty.call(dest[key],name)){res[name]={};if(dest[key]&&dest[key][name]){mix(res[name],dest[key][name],innerShape)}}}for(var name in src[key]){if(hasOwnProperty.call(src[key],name)){if(!res[name]){res[name]={}}if(src[key]&&src[key][name]){mix(res[name],src[key][name],innerShape)}}}dest[key]=res}}}return dest}module.exports=function(dest,src){return mix(dest,src,shape)}},{}],37:[function(require,module,exports){module.exports={parseContext:{default:"StyleSheet",stylesheet:"StyleSheet",atrule:"Atrule",atrulePrelude:function(options){return this.AtrulePrelude(options.atrule?String(options.atrule):null)},mediaQueryList:"MediaQueryList",mediaQuery:"MediaQuery",rule:"Rule",selectorList:"SelectorList",selector:"Selector",block:function(){return this.Block(true)},declarationList:"DeclarationList",declaration:"Declaration",value:"Value"},scope:require("../scope"),atrule:require("../atrule"),pseudo:require("../pseudo"),node:require("../node")}},{"../atrule":31,"../node":84,"../pseudo":90,"../scope":101}],38:[function(require,module,exports){module.exports={node:require("../node")}},{"../node":84}],39:[function(require,module,exports){var List=require("../common/List");var SyntaxError=require("../common/SyntaxError");var TokenStream=require("../common/TokenStream");var Lexer=require("../lexer/Lexer");var grammar=require("../lexer/grammar");var tokenize=require("../tokenizer");var createParser=require("../parser/create");var createGenerator=require("../generator/create");var clone=require("../utils/clone");var names=require("../utils/names");var mix=require("./config/mix");function assign(dest,src){for(var key in src){dest[key]=src[key]}return dest}function createSyntax(config){var parse=createParser(config);var generate=createGenerator(config);var syntax={List:List,SyntaxError:SyntaxError,TokenStream:TokenStream,Lexer:Lexer,vendorPrefix:names.vendorPrefix,keyword:names.keyword,property:names.property,isCustomProperty:names.isCustomProperty,grammar:grammar,lexer:null,createLexer:function(config){return new Lexer(config,syntax,syntax.lexer.structure)},tokenize:tokenize,parse:parse,generate:generate,clone:clone,createSyntax:function(config){return createSyntax(mix({},config))},fork:function(extension){var base=mix({},config);return createSyntax(typeof extension==="function"?extension(base,assign):mix(base,extension))}};syntax.lexer=new Lexer({generic:true,types:config.types,properties:config.properties,node:config.node},syntax);return syntax}exports.create=function(config){return createSyntax(mix({},config))}},{"../common/List":2,"../common/SyntaxError":4,"../common/TokenStream":5,"../generator/create":7,"../lexer/Lexer":10,"../lexer/grammar":17,"../parser/create":27,"../tokenizer":106,"../utils/clone":108,"../utils/names":110,"./config/mix":36}],40:[function(require,module,exports){module.exports=function(){this.scanner.skipSC();var children=this.createSingleNodeList(this.IdSelector());this.scanner.skipSC();return children}},{}],41:[function(require,module,exports){module.exports=function(){return this.createSingleNodeList(this.Raw(this.scanner.tokenIndex,null,false))}},{}],42:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var rawMode=require("../node/Raw").mode;var COMMA=TYPE.Comma;module.exports=function(){var children=this.createList();this.scanner.skipSC();children.push(this.Identifier());this.scanner.skipSC();if(this.scanner.tokenType===COMMA){children.push(this.Operator());children.push(this.parseCustomProperty?this.Value(null):this.Raw(this.scanner.tokenIndex,rawMode.exclamationMarkOrSemicolon,false))}return children}},{"../../tokenizer":106,"../node/Raw":73}],43:[function(require,module,exports){function merge(){var dest={};for(var i=0;i<arguments.length;i++){var src=arguments[i];for(var key in src){dest[key]=src[key]}}return dest}module.exports=require("./create").create(merge(require("./config/lexer"),require("./config/parser"),require("./config/walker")))},{"./config/lexer":35,"./config/parser":37,"./config/walker":38,"./create":39}],44:[function(require,module,exports){var cmpChar=require("../../tokenizer").cmpChar;var isDigit=require("../../tokenizer").isDigit;var TYPE=require("../../tokenizer").TYPE;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var IDENT=TYPE.Ident;var NUMBER=TYPE.Number;var DIMENSION=TYPE.Dimension;var PLUSSIGN=43;var HYPHENMINUS=45;var N=110;var DISALLOW_SIGN=true;var ALLOW_SIGN=false;function checkInteger(offset,disallowSign){var pos=this.scanner.tokenStart+offset;var code=this.scanner.source.charCodeAt(pos);if(code===PLUSSIGN||code===HYPHENMINUS){if(disallowSign){this.error("Number sign is not allowed")}pos++}for(;pos<this.scanner.tokenEnd;pos++){if(!isDigit(this.scanner.source.charCodeAt(pos))){this.error("Integer is expected",pos)}}}function checkTokenIsInteger(disallowSign){return checkInteger.call(this,0,disallowSign)}function expectCharCode(offset,code){if(!cmpChar(this.scanner.source,this.scanner.tokenStart+offset,code)){var msg="";switch(code){case N:msg="N is expected";break;case HYPHENMINUS:msg="HyphenMinus is expected";break}this.error(msg,this.scanner.tokenStart+offset)}}function consumeB(){var offset=0;var sign=0;var type=this.scanner.tokenType;while(type===WHITESPACE||type===COMMENT){type=this.scanner.lookupType(++offset)}if(type!==NUMBER){if(this.scanner.isDelim(PLUSSIGN,offset)||this.scanner.isDelim(HYPHENMINUS,offset)){sign=this.scanner.isDelim(PLUSSIGN,offset)?PLUSSIGN:HYPHENMINUS;do{type=this.scanner.lookupType(++offset)}while(type===WHITESPACE||type===COMMENT);if(type!==NUMBER){this.scanner.skip(offset);checkTokenIsInteger.call(this,DISALLOW_SIGN)}}else{return null}}if(offset>0){this.scanner.skip(offset)}if(sign===0){type=this.scanner.source.charCodeAt(this.scanner.tokenStart);if(type!==PLUSSIGN&&type!==HYPHENMINUS){this.error("Number sign is expected")}}checkTokenIsInteger.call(this,sign!==0);return sign===HYPHENMINUS?"-"+this.consume(NUMBER):this.consume(NUMBER)}module.exports={name:"AnPlusB",structure:{a:[String,null],b:[String,null]},parse:function(){var start=this.scanner.tokenStart;var a=null;var b=null;if(this.scanner.tokenType===NUMBER){checkTokenIsInteger.call(this,ALLOW_SIGN);b=this.consume(NUMBER)}else if(this.scanner.tokenType===IDENT&&cmpChar(this.scanner.source,this.scanner.tokenStart,HYPHENMINUS)){a="-1";expectCharCode.call(this,1,N);switch(this.scanner.getTokenLength()){case 2:this.scanner.next();b=consumeB.call(this);break;case 3:expectCharCode.call(this,2,HYPHENMINUS);this.scanner.next();this.scanner.skipSC();checkTokenIsInteger.call(this,DISALLOW_SIGN);b="-"+this.consume(NUMBER);break;default:expectCharCode.call(this,2,HYPHENMINUS);checkInteger.call(this,3,DISALLOW_SIGN);this.scanner.next();b=this.scanner.substrToCursor(start+2)}}else if(this.scanner.tokenType===IDENT||this.scanner.isDelim(PLUSSIGN)&&this.scanner.lookupType(1)===IDENT){var sign=0;a="1";if(this.scanner.isDelim(PLUSSIGN)){sign=1;this.scanner.next()}expectCharCode.call(this,0,N);switch(this.scanner.getTokenLength()){case 1:this.scanner.next();b=consumeB.call(this);break;case 2:expectCharCode.call(this,1,HYPHENMINUS);this.scanner.next();this.scanner.skipSC();checkTokenIsInteger.call(this,DISALLOW_SIGN);b="-"+this.consume(NUMBER);break;default:expectCharCode.call(this,1,HYPHENMINUS);checkInteger.call(this,2,DISALLOW_SIGN);this.scanner.next();b=this.scanner.substrToCursor(start+sign+1)}}else if(this.scanner.tokenType===DIMENSION){var code=this.scanner.source.charCodeAt(this.scanner.tokenStart);var sign=code===PLUSSIGN||code===HYPHENMINUS;for(var i=this.scanner.tokenStart+sign;i<this.scanner.tokenEnd;i++){if(!isDigit(this.scanner.source.charCodeAt(i))){break}}if(i===this.scanner.tokenStart+sign){this.error("Integer is expected",this.scanner.tokenStart+sign)}expectCharCode.call(this,i-this.scanner.tokenStart,N);a=this.scanner.source.substring(start,i);if(i+1===this.scanner.tokenEnd){this.scanner.next();b=consumeB.call(this)}else{expectCharCode.call(this,i-this.scanner.tokenStart+1,HYPHENMINUS);if(i+2===this.scanner.tokenEnd){this.scanner.next();this.scanner.skipSC();checkTokenIsInteger.call(this,DISALLOW_SIGN);b="-"+this.consume(NUMBER)}else{checkInteger.call(this,i-this.scanner.tokenStart+2,DISALLOW_SIGN);this.scanner.next();b=this.scanner.substrToCursor(i+1)}}}else{this.error()}if(a!==null&&a.charCodeAt(0)===PLUSSIGN){a=a.substr(1)}if(b!==null&&b.charCodeAt(0)===PLUSSIGN){b=b.substr(1)}return{type:"AnPlusB",loc:this.getLocation(start,this.scanner.tokenStart),a:a,b:b}},generate:function(node){var a=node.a!==null&&node.a!==undefined;var b=node.b!==null&&node.b!==undefined;if(a){this.chunk(node.a==="+1"?"+n":node.a==="1"?"n":node.a==="-1"?"-n":node.a+"n");if(b){b=String(node.b);if(b.charAt(0)==="-"||b.charAt(0)==="+"){this.chunk(b.charAt(0));this.chunk(b.substr(1))}else{this.chunk("+");this.chunk(b)}}}else{this.chunk(String(node.b))}}}},{"../../tokenizer":106}],45:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var rawMode=require("./Raw").mode;var ATKEYWORD=TYPE.AtKeyword;var SEMICOLON=TYPE.Semicolon;var LEFTCURLYBRACKET=TYPE.LeftCurlyBracket;var RIGHTCURLYBRACKET=TYPE.RightCurlyBracket;function consumeRaw(startToken){return this.Raw(startToken,rawMode.leftCurlyBracketOrSemicolon,true)}function isDeclarationBlockAtrule(){for(var offset=1,type;type=this.scanner.lookupType(offset);offset++){if(type===RIGHTCURLYBRACKET){return true}if(type===LEFTCURLYBRACKET||type===ATKEYWORD){return false}}return false}module.exports={name:"Atrule",structure:{name:String,prelude:["AtrulePrelude","Raw",null],block:["Block",null]},parse:function(){var start=this.scanner.tokenStart;var name;var nameLowerCase;var prelude=null;var block=null;this.eat(ATKEYWORD);name=this.scanner.substrToCursor(start+1);nameLowerCase=name.toLowerCase();this.scanner.skipSC();if(this.scanner.eof===false&&this.scanner.tokenType!==LEFTCURLYBRACKET&&this.scanner.tokenType!==SEMICOLON){if(this.parseAtrulePrelude){prelude=this.parseWithFallback(this.AtrulePrelude.bind(this,name),consumeRaw);if(prelude.type==="AtrulePrelude"&&prelude.children.head===null){prelude=null}}else{prelude=consumeRaw.call(this,this.scanner.tokenIndex)}this.scanner.skipSC()}switch(this.scanner.tokenType){case SEMICOLON:this.scanner.next();break;case LEFTCURLYBRACKET:if(this.atrule.hasOwnProperty(nameLowerCase)&&typeof this.atrule[nameLowerCase].block==="function"){block=this.atrule[nameLowerCase].block.call(this)}else{block=this.Block(isDeclarationBlockAtrule.call(this))}break}return{type:"Atrule",loc:this.getLocation(start,this.scanner.tokenStart),name:name,prelude:prelude,block:block}},generate:function(node){this.chunk("@");this.chunk(node.name);if(node.prelude!==null){this.chunk(" ");this.node(node.prelude)}if(node.block){this.node(node.block)}else{this.chunk(";")}},walkContext:"atrule"}},{"../../tokenizer":106,"./Raw":73}],46:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var SEMICOLON=TYPE.Semicolon;var LEFTCURLYBRACKET=TYPE.LeftCurlyBracket;module.exports={name:"AtrulePrelude",structure:{children:[[]]},parse:function(name){var children=null;if(name!==null){name=name.toLowerCase()}this.scanner.skipSC();if(this.atrule.hasOwnProperty(name)&&typeof this.atrule[name].prelude==="function"){children=this.atrule[name].prelude.call(this)}else{children=this.readSequence(this.scope.AtrulePrelude)}this.scanner.skipSC();if(this.scanner.eof!==true&&this.scanner.tokenType!==LEFTCURLYBRACKET&&this.scanner.tokenType!==SEMICOLON){this.error("Semicolon or block is expected")}if(children===null){children=this.createList()}return{type:"AtrulePrelude",loc:this.getLocationFromList(children),children:children}},generate:function(node){this.children(node)},walkContext:"atrulePrelude"}},{"../../tokenizer":106}],47:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var STRING=TYPE.String;var COLON=TYPE.Colon;var LEFTSQUAREBRACKET=TYPE.LeftSquareBracket;var RIGHTSQUAREBRACKET=TYPE.RightSquareBracket;var DOLLARSIGN=36;var ASTERISK=42;var EQUALSSIGN=61;var CIRCUMFLEXACCENT=94;var VERTICALLINE=124;var TILDE=126;function getAttributeName(){if(this.scanner.eof){this.error("Unexpected end of input")}var start=this.scanner.tokenStart;var expectIdent=false;var checkColon=true;if(this.scanner.isDelim(ASTERISK)){expectIdent=true;checkColon=false;this.scanner.next()}else if(!this.scanner.isDelim(VERTICALLINE)){this.eat(IDENT)}if(this.scanner.isDelim(VERTICALLINE)){if(this.scanner.source.charCodeAt(this.scanner.tokenStart+1)!==EQUALSSIGN){this.scanner.next();this.eat(IDENT)}else if(expectIdent){this.error("Identifier is expected",this.scanner.tokenEnd)}}else if(expectIdent){this.error("Vertical line is expected")}if(checkColon&&this.scanner.tokenType===COLON){this.scanner.next();this.eat(IDENT)}return{type:"Identifier",loc:this.getLocation(start,this.scanner.tokenStart),name:this.scanner.substrToCursor(start)}}function getOperator(){var start=this.scanner.tokenStart;var code=this.scanner.source.charCodeAt(start);if(code!==EQUALSSIGN&&code!==TILDE&&code!==CIRCUMFLEXACCENT&&code!==DOLLARSIGN&&code!==ASTERISK&&code!==VERTICALLINE){this.error("Attribute selector (=, ~=, ^=, $=, *=, |=) is expected")}this.scanner.next();if(code!==EQUALSSIGN){if(!this.scanner.isDelim(EQUALSSIGN)){this.error("Equal sign is expected")}this.scanner.next()}return this.scanner.substrToCursor(start)}module.exports={name:"AttributeSelector",structure:{name:"Identifier",matcher:[String,null],value:["String","Identifier",null],flags:[String,null]},parse:function(){var start=this.scanner.tokenStart;var name;var matcher=null;var value=null;var flags=null;this.eat(LEFTSQUAREBRACKET);this.scanner.skipSC();name=getAttributeName.call(this);this.scanner.skipSC();if(this.scanner.tokenType!==RIGHTSQUAREBRACKET){if(this.scanner.tokenType!==IDENT){matcher=getOperator.call(this);this.scanner.skipSC();value=this.scanner.tokenType===STRING?this.String():this.Identifier();this.scanner.skipSC()}if(this.scanner.tokenType===IDENT){flags=this.scanner.getTokenValue();this.scanner.next();this.scanner.skipSC()}}this.eat(RIGHTSQUAREBRACKET);return{type:"AttributeSelector",loc:this.getLocation(start,this.scanner.tokenStart),name:name,matcher:matcher,value:value,flags:flags}},generate:function(node){var flagsPrefix=" ";this.chunk("[");this.node(node.name);if(node.matcher!==null){this.chunk(node.matcher);if(node.value!==null){this.node(node.value);if(node.value.type==="String"){flagsPrefix=""}}}if(node.flags!==null){this.chunk(flagsPrefix);this.chunk(node.flags)}this.chunk("]")}}},{"../../tokenizer":106}],48:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var rawMode=require("./Raw").mode;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var SEMICOLON=TYPE.Semicolon;var ATKEYWORD=TYPE.AtKeyword;var LEFTCURLYBRACKET=TYPE.LeftCurlyBracket
;var RIGHTCURLYBRACKET=TYPE.RightCurlyBracket;function consumeRaw(startToken){return this.Raw(startToken,null,true)}function consumeRule(){return this.parseWithFallback(this.Rule,consumeRaw)}function consumeRawDeclaration(startToken){return this.Raw(startToken,rawMode.semicolonIncluded,true)}function consumeDeclaration(){if(this.scanner.tokenType===SEMICOLON){return consumeRawDeclaration.call(this,this.scanner.tokenIndex)}var node=this.parseWithFallback(this.Declaration,consumeRawDeclaration);if(this.scanner.tokenType===SEMICOLON){this.scanner.next()}return node}module.exports={name:"Block",structure:{children:[["Atrule","Rule","Declaration"]]},parse:function(isDeclaration){var consumer=isDeclaration?consumeDeclaration:consumeRule;var start=this.scanner.tokenStart;var children=this.createList();this.eat(LEFTCURLYBRACKET);scan:while(!this.scanner.eof){switch(this.scanner.tokenType){case RIGHTCURLYBRACKET:break scan;case WHITESPACE:case COMMENT:this.scanner.next();break;case ATKEYWORD:children.push(this.parseWithFallback(this.Atrule,consumeRaw));break;default:children.push(consumer.call(this))}}if(!this.scanner.eof){this.eat(RIGHTCURLYBRACKET)}return{type:"Block",loc:this.getLocation(start,this.scanner.tokenStart),children:children}},generate:function(node){this.chunk("{");this.children(node,function(prev){if(prev.type==="Declaration"){this.chunk(";")}});this.chunk("}")},walkContext:"block"}},{"../../tokenizer":106,"./Raw":73}],49:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var LEFTSQUAREBRACKET=TYPE.LeftSquareBracket;var RIGHTSQUAREBRACKET=TYPE.RightSquareBracket;module.exports={name:"Brackets",structure:{children:[[]]},parse:function(readSequence,recognizer){var start=this.scanner.tokenStart;var children=null;this.eat(LEFTSQUAREBRACKET);children=readSequence.call(this,recognizer);if(!this.scanner.eof){this.eat(RIGHTSQUAREBRACKET)}return{type:"Brackets",loc:this.getLocation(start,this.scanner.tokenStart),children:children}},generate:function(node){this.chunk("[");this.children(node);this.chunk("]")}}},{"../../tokenizer":106}],50:[function(require,module,exports){var CDC=require("../../tokenizer").TYPE.CDC;module.exports={name:"CDC",structure:[],parse:function(){var start=this.scanner.tokenStart;this.eat(CDC);return{type:"CDC",loc:this.getLocation(start,this.scanner.tokenStart)}},generate:function(){this.chunk("--\x3e")}}},{"../../tokenizer":106}],51:[function(require,module,exports){var CDO=require("../../tokenizer").TYPE.CDO;module.exports={name:"CDO",structure:[],parse:function(){var start=this.scanner.tokenStart;this.eat(CDO);return{type:"CDO",loc:this.getLocation(start,this.scanner.tokenStart)}},generate:function(){this.chunk("\x3c!--")}}},{"../../tokenizer":106}],52:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var FULLSTOP=46;module.exports={name:"ClassSelector",structure:{name:String},parse:function(){if(!this.scanner.isDelim(FULLSTOP)){this.error("Full stop is expected")}this.scanner.next();return{type:"ClassSelector",loc:this.getLocation(this.scanner.tokenStart-1,this.scanner.tokenEnd),name:this.consume(IDENT)}},generate:function(node){this.chunk(".");this.chunk(node.name)}}},{"../../tokenizer":106}],53:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var PLUSSIGN=43;var SOLIDUS=47;var GREATERTHANSIGN=62;var TILDE=126;module.exports={name:"Combinator",structure:{name:String},parse:function(){var start=this.scanner.tokenStart;var code=this.scanner.source.charCodeAt(this.scanner.tokenStart);switch(code){case GREATERTHANSIGN:case PLUSSIGN:case TILDE:this.scanner.next();break;case SOLIDUS:this.scanner.next();if(this.scanner.tokenType!==IDENT||this.scanner.lookupValue(0,"deep")===false){this.error("Identifier `deep` is expected")}this.scanner.next();if(!this.scanner.isDelim(SOLIDUS)){this.error("Solidus is expected")}this.scanner.next();break;default:this.error("Combinator is expected")}return{type:"Combinator",loc:this.getLocation(start,this.scanner.tokenStart),name:this.scanner.substrToCursor(start)}},generate:function(node){this.chunk(node.name)}}},{"../../tokenizer":106}],54:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var COMMENT=TYPE.Comment;var ASTERISK=42;var SOLIDUS=47;module.exports={name:"Comment",structure:{value:String},parse:function(){var start=this.scanner.tokenStart;var end=this.scanner.tokenEnd;this.eat(COMMENT);if(end-start+2>=2&&this.scanner.source.charCodeAt(end-2)===ASTERISK&&this.scanner.source.charCodeAt(end-1)===SOLIDUS){end-=2}return{type:"Comment",loc:this.getLocation(start,this.scanner.tokenStart),value:this.scanner.source.substring(start+2,end)}},generate:function(node){this.chunk("/*");this.chunk(node.value);this.chunk("*/")}}},{"../../tokenizer":106}],55:[function(require,module,exports){var isCustomProperty=require("../../utils/names").isCustomProperty;var TYPE=require("../../tokenizer").TYPE;var rawMode=require("./Raw").mode;var IDENT=TYPE.Ident;var HASH=TYPE.Hash;var COLON=TYPE.Colon;var SEMICOLON=TYPE.Semicolon;var DELIM=TYPE.Delim;var EXCLAMATIONMARK=33;var NUMBERSIGN=35;var DOLLARSIGN=36;var AMPERSAND=38;var ASTERISK=42;var PLUSSIGN=43;var SOLIDUS=47;function consumeValueRaw(startToken){return this.Raw(startToken,rawMode.exclamationMarkOrSemicolon,true)}function consumeCustomPropertyRaw(startToken){return this.Raw(startToken,rawMode.exclamationMarkOrSemicolon,false)}function consumeValue(){var startValueToken=this.scanner.tokenIndex;var value=this.Value();if(value.type!=="Raw"&&this.scanner.eof===false&&this.scanner.tokenType!==SEMICOLON&&this.scanner.isDelim(EXCLAMATIONMARK)===false&&this.scanner.isBalanceEdge(startValueToken)===false){this.error()}return value}module.exports={name:"Declaration",structure:{important:[Boolean,String],property:String,value:["Value","Raw"]},parse:function(){var start=this.scanner.tokenStart;var startToken=this.scanner.tokenIndex;var property=readProperty.call(this);var customProperty=isCustomProperty(property);var parseValue=customProperty?this.parseCustomProperty:this.parseValue;var consumeRaw=customProperty?consumeCustomPropertyRaw:consumeValueRaw;var important=false;var value;this.scanner.skipSC();this.eat(COLON);if(!customProperty){this.scanner.skipSC()}if(parseValue){value=this.parseWithFallback(consumeValue,consumeRaw)}else{value=consumeRaw.call(this,this.scanner.tokenIndex)}if(this.scanner.isDelim(EXCLAMATIONMARK)){important=getImportant.call(this);this.scanner.skipSC()}if(this.scanner.eof===false&&this.scanner.tokenType!==SEMICOLON&&this.scanner.isBalanceEdge(startToken)===false){this.error()}return{type:"Declaration",loc:this.getLocation(start,this.scanner.tokenStart),important:important,property:property,value:value}},generate:function(node){this.chunk(node.property);this.chunk(":");this.node(node.value);if(node.important){this.chunk(node.important===true?"!important":"!"+node.important)}},walkContext:"declaration"};function readProperty(){var start=this.scanner.tokenStart;var prefix=0;if(this.scanner.tokenType===DELIM){switch(this.scanner.source.charCodeAt(this.scanner.tokenStart)){case ASTERISK:case DOLLARSIGN:case PLUSSIGN:case NUMBERSIGN:case AMPERSAND:this.scanner.next();break;case SOLIDUS:this.scanner.next();if(this.scanner.isDelim(SOLIDUS)){this.scanner.next()}break}}if(prefix){this.scanner.skip(prefix)}if(this.scanner.tokenType===HASH){this.eat(HASH)}else{this.eat(IDENT)}return this.scanner.substrToCursor(start)}function getImportant(){this.eat(DELIM);this.scanner.skipSC();var important=this.consume(IDENT);return important==="important"?true:important}},{"../../tokenizer":106,"../../utils/names":110,"./Raw":73}],56:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var rawMode=require("./Raw").mode;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var SEMICOLON=TYPE.Semicolon;function consumeRaw(startToken){return this.Raw(startToken,rawMode.semicolonIncluded,true)}module.exports={name:"DeclarationList",structure:{children:[["Declaration"]]},parse:function(){var children=this.createList();scan:while(!this.scanner.eof){switch(this.scanner.tokenType){case WHITESPACE:case COMMENT:case SEMICOLON:this.scanner.next();break;default:children.push(this.parseWithFallback(this.Declaration,consumeRaw))}}return{type:"DeclarationList",loc:this.getLocationFromList(children),children:children}},generate:function(node){this.children(node,function(prev){if(prev.type==="Declaration"){this.chunk(";")}})}}},{"../../tokenizer":106,"./Raw":73}],57:[function(require,module,exports){var consumeNumber=require("../../tokenizer/utils").consumeNumber;var TYPE=require("../../tokenizer").TYPE;var DIMENSION=TYPE.Dimension;module.exports={name:"Dimension",structure:{value:String,unit:String},parse:function(){var start=this.scanner.tokenStart;var numberEnd=consumeNumber(this.scanner.source,start);this.eat(DIMENSION);return{type:"Dimension",loc:this.getLocation(start,this.scanner.tokenStart),value:this.scanner.source.substring(start,numberEnd),unit:this.scanner.source.substring(numberEnd,this.scanner.tokenStart)}},generate:function(node){this.chunk(node.value);this.chunk(node.unit)}}},{"../../tokenizer":106,"../../tokenizer/utils":107}],58:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var RIGHTPARENTHESIS=TYPE.RightParenthesis;module.exports={name:"Function",structure:{name:String,children:[[]]},parse:function(readSequence,recognizer){var start=this.scanner.tokenStart;var name=this.consumeFunctionName();var nameLowerCase=name.toLowerCase();var children;children=recognizer.hasOwnProperty(nameLowerCase)?recognizer[nameLowerCase].call(this,recognizer):readSequence.call(this,recognizer);if(!this.scanner.eof){this.eat(RIGHTPARENTHESIS)}return{type:"Function",loc:this.getLocation(start,this.scanner.tokenStart),name:name,children:children}},generate:function(node){this.chunk(node.name);this.chunk("(");this.children(node);this.chunk(")")},walkContext:"function"}},{"../../tokenizer":106}],59:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var HASH=TYPE.Hash;module.exports={name:"HexColor",structure:{value:String},parse:function(){var start=this.scanner.tokenStart;this.eat(HASH);return{type:"HexColor",loc:this.getLocation(start,this.scanner.tokenStart),value:this.scanner.substrToCursor(start+1)}},generate:function(node){this.chunk("#");this.chunk(node.value)}}},{"../../tokenizer":106}],60:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var HASH=TYPE.Hash;module.exports={name:"IdSelector",structure:{name:String},parse:function(){var start=this.scanner.tokenStart;this.eat(HASH);return{type:"IdSelector",loc:this.getLocation(start,this.scanner.tokenStart),name:this.scanner.substrToCursor(start+1)}},generate:function(node){this.chunk("#");this.chunk(node.name)}}},{"../../tokenizer":106}],61:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;module.exports={name:"Identifier",structure:{name:String},parse:function(){return{type:"Identifier",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),name:this.consume(IDENT)}},generate:function(node){this.chunk(node.name)}}},{"../../tokenizer":106}],62:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var NUMBER=TYPE.Number;var DIMENSION=TYPE.Dimension;var LEFTPARENTHESIS=TYPE.LeftParenthesis;var RIGHTPARENTHESIS=TYPE.RightParenthesis;var COLON=TYPE.Colon;var DELIM=TYPE.Delim;module.exports={name:"MediaFeature",structure:{name:String,value:["Identifier","Number","Dimension","Ratio",null]},parse:function(){var start=this.scanner.tokenStart;var name;var value=null;this.eat(LEFTPARENTHESIS);this.scanner.skipSC();name=this.consume(IDENT);this.scanner.skipSC();if(this.scanner.tokenType!==RIGHTPARENTHESIS){this.eat(COLON);this.scanner.skipSC();switch(this.scanner.tokenType){case NUMBER:if(this.lookupNonWSType(1)===DELIM){value=this.Ratio()}else{value=this.Number()}break;case DIMENSION:value=this.Dimension();break;case IDENT:value=this.Identifier();break;default:this.error("Number, dimension, ratio or identifier is expected")}this.scanner.skipSC()}this.eat(RIGHTPARENTHESIS);return{type:"MediaFeature",loc:this.getLocation(start,this.scanner.tokenStart),name:name,value:value}},generate:function(node){this.chunk("(");this.chunk(node.name);if(node.value!==null){this.chunk(":");this.node(node.value)}this.chunk(")")}}},{"../../tokenizer":106}],63:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var IDENT=TYPE.Ident;var LEFTPARENTHESIS=TYPE.LeftParenthesis;module.exports={name:"MediaQuery",structure:{children:[["Identifier","MediaFeature","WhiteSpace"]]},parse:function(){this.scanner.skipSC();var children=this.createList();var child=null;var space=null;scan:while(!this.scanner.eof){switch(this.scanner.tokenType){case COMMENT:this.scanner.next();continue;case WHITESPACE:space=this.WhiteSpace();continue;case IDENT:child=this.Identifier();break;case LEFTPARENTHESIS:child=this.MediaFeature();break;default:break scan}if(space!==null){children.push(space);space=null}children.push(child)}if(child===null){this.error("Identifier or parenthesis is expected")}return{type:"MediaQuery",loc:this.getLocationFromList(children),children:children}},generate:function(node){this.children(node)}}},{"../../tokenizer":106}],64:[function(require,module,exports){var COMMA=require("../../tokenizer").TYPE.Comma;module.exports={name:"MediaQueryList",structure:{children:[["MediaQuery"]]},parse:function(relative){var children=this.createList();this.scanner.skipSC();while(!this.scanner.eof){children.push(this.MediaQuery(relative));if(this.scanner.tokenType!==COMMA){break}this.scanner.next()}return{type:"MediaQueryList",loc:this.getLocationFromList(children),children:children}},generate:function(node){this.children(node,function(){this.chunk(",")})}}},{"../../tokenizer":106}],65:[function(require,module,exports){module.exports={name:"Nth",structure:{nth:["AnPlusB","Identifier"],selector:["SelectorList",null]},parse:function(allowOfClause){this.scanner.skipSC();var start=this.scanner.tokenStart;var end=start;var selector=null;var query;if(this.scanner.lookupValue(0,"odd")||this.scanner.lookupValue(0,"even")){query=this.Identifier()}else{query=this.AnPlusB()}this.scanner.skipSC();if(allowOfClause&&this.scanner.lookupValue(0,"of")){this.scanner.next();selector=this.SelectorList();if(this.needPositions){end=this.getLastListNode(selector.children).loc.end.offset}}else{if(this.needPositions){end=query.loc.end.offset}}return{type:"Nth",loc:this.getLocation(start,end),nth:query,selector:selector}},generate:function(node){this.node(node.nth);if(node.selector!==null){this.chunk(" of ");this.node(node.selector)}}}},{}],66:[function(require,module,exports){var NUMBER=require("../../tokenizer").TYPE.Number;module.exports={name:"Number",structure:{value:String},parse:function(){return{type:"Number",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(NUMBER)}},generate:function(node){this.chunk(node.value)}}},{"../../tokenizer":106}],67:[function(require,module,exports){module.exports={name:"Operator",structure:{value:String},parse:function(){var start=this.scanner.tokenStart;this.scanner.next();return{type:"Operator",loc:this.getLocation(start,this.scanner.tokenStart),value:this.scanner.substrToCursor(start)}},generate:function(node){this.chunk(node.value)}}},{}],68:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var LEFTPARENTHESIS=TYPE.LeftParenthesis;var RIGHTPARENTHESIS=TYPE.RightParenthesis;module.exports={name:"Parentheses",structure:{children:[[]]},parse:function(readSequence,recognizer){var start=this.scanner.tokenStart;var children=null;this.eat(LEFTPARENTHESIS);children=readSequence.call(this,recognizer);if(!this.scanner.eof){this.eat(RIGHTPARENTHESIS)}return{type:"Parentheses",loc:this.getLocation(start,this.scanner.tokenStart),children:children}},generate:function(node){this.chunk("(");this.children(node);this.chunk(")")}}},{"../../tokenizer":106}],69:[function(require,module,exports){var consumeNumber=require("../../tokenizer/utils").consumeNumber;var TYPE=require("../../tokenizer").TYPE;var PERCENTAGE=TYPE.Percentage;module.exports={name:"Percentage",structure:{value:String},parse:function(){var start=this.scanner.tokenStart;var numberEnd=consumeNumber(this.scanner.source,start);this.eat(PERCENTAGE);return{type:"Percentage",loc:this.getLocation(start,this.scanner.tokenStart),value:this.scanner.source.substring(start,numberEnd)}},generate:function(node){this.chunk(node.value);this.chunk("%")}}},{"../../tokenizer":106,"../../tokenizer/utils":107}],70:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var FUNCTION=TYPE.Function;var COLON=TYPE.Colon;var RIGHTPARENTHESIS=TYPE.RightParenthesis;module.exports={name:"PseudoClassSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var start=this.scanner.tokenStart;var children=null;var name;var nameLowerCase;this.eat(COLON);if(this.scanner.tokenType===FUNCTION){name=this.consumeFunctionName();nameLowerCase=name.toLowerCase();if(this.pseudo.hasOwnProperty(nameLowerCase)){this.scanner.skipSC();children=this.pseudo[nameLowerCase].call(this);this.scanner.skipSC()}else{children=this.createList();children.push(this.Raw(this.scanner.tokenIndex,null,false))}this.eat(RIGHTPARENTHESIS)}else{name=this.consume(IDENT)}return{type:"PseudoClassSelector",loc:this.getLocation(start,this.scanner.tokenStart),name:name,children:children}},generate:function(node){this.chunk(":");this.chunk(node.name);if(node.children!==null){this.chunk("(");this.children(node);this.chunk(")")}},walkContext:"function"}},{"../../tokenizer":106}],71:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var FUNCTION=TYPE.Function;var COLON=TYPE.Colon;var RIGHTPARENTHESIS=TYPE.RightParenthesis;module.exports={name:"PseudoElementSelector",structure:{name:String,children:[["Raw"],null]},parse:function(){var start=this.scanner.tokenStart;var children=null;var name;var nameLowerCase;this.eat(COLON);this.eat(COLON);if(this.scanner.tokenType===FUNCTION){name=this.consumeFunctionName();nameLowerCase=name.toLowerCase();if(this.pseudo.hasOwnProperty(nameLowerCase)){this.scanner.skipSC();children=this.pseudo[nameLowerCase].call(this);this.scanner.skipSC()}else{children=this.createList();children.push(this.Raw(this.scanner.tokenIndex,null,false))}this.eat(RIGHTPARENTHESIS)}else{name=this.consume(IDENT)}return{type:"PseudoElementSelector",loc:this.getLocation(start,this.scanner.tokenStart),name:name,children:children}},generate:function(node){this.chunk("::");this.chunk(node.name);if(node.children!==null){this.chunk("(");this.children(node);this.chunk(")")}},walkContext:"function"}},{"../../tokenizer":106}],72:[function(require,module,exports){var isDigit=require("../../tokenizer").isDigit;var TYPE=require("../../tokenizer").TYPE;var NUMBER=TYPE.Number;var DELIM=TYPE.Delim;var SOLIDUS=47;var FULLSTOP=46;function consumeNumber(){this.scanner.skipWS();var value=this.consume(NUMBER);for(var i=0;i<value.length;i++){var code=value.charCodeAt(i);if(!isDigit(code)&&code!==FULLSTOP){this.error("Unsigned number is expected",this.scanner.tokenStart-value.length+i)}}if(Number(value)===0){this.error("Zero number is not allowed",this.scanner.tokenStart-value.length)}return value}module.exports={name:"Ratio",structure:{left:String,right:String},parse:function(){var start=this.scanner.tokenStart;var left=consumeNumber.call(this);var right;this.scanner.skipWS();if(!this.scanner.isDelim(SOLIDUS)){this.error("Solidus is expected")}this.eat(DELIM);right=consumeNumber.call(this);return{type:"Ratio",loc:this.getLocation(start,this.scanner.tokenStart),left:left,right:right}},generate:function(node){this.chunk(node.left);this.chunk("/");this.chunk(node.right)}}},{"../../tokenizer":106}],73:[function(require,module,exports){var tokenizer=require("../../tokenizer");var TYPE=tokenizer.TYPE;var WhiteSpace=TYPE.WhiteSpace;var Semicolon=TYPE.Semicolon;var LeftCurlyBracket=TYPE.LeftCurlyBracket;var Delim=TYPE.Delim;var EXCLAMATIONMARK=33;function getOffsetExcludeWS(){if(this.scanner.tokenIndex>0){if(this.scanner.lookupType(-1)===WhiteSpace){return this.scanner.tokenIndex>1?this.scanner.getTokenStart(this.scanner.tokenIndex-1):this.scanner.firstCharOffset}}return this.scanner.tokenStart}function balanceEnd(){return 0}function leftCurlyBracket(tokenType){return tokenType===LeftCurlyBracket?1:0}function leftCurlyBracketOrSemicolon(tokenType){return tokenType===LeftCurlyBracket||tokenType===Semicolon?1:0}function exclamationMarkOrSemicolon(tokenType,source,offset){if(tokenType===Delim&&source.charCodeAt(offset)===EXCLAMATIONMARK){return 1}return tokenType===Semicolon?1:0}function semicolonIncluded(tokenType){return tokenType===Semicolon?2:0}module.exports={name:"Raw",structure:{value:String},parse:function(startToken,mode,excludeWhiteSpace){var startOffset=this.scanner.getTokenStart(startToken);var endOffset;this.scanner.skip(this.scanner.getRawLength(startToken,mode||balanceEnd));if(excludeWhiteSpace&&this.scanner.tokenStart>startOffset){endOffset=getOffsetExcludeWS.call(this)}else{endOffset=this.scanner.tokenStart}return{type:"Raw",loc:this.getLocation(startOffset,endOffset),value:this.scanner.source.substring(startOffset,endOffset)}},generate:function(node){this.chunk(node.value)},mode:{default:balanceEnd,leftCurlyBracket:leftCurlyBracket,leftCurlyBracketOrSemicolon:leftCurlyBracketOrSemicolon,exclamationMarkOrSemicolon:exclamationMarkOrSemicolon,semicolonIncluded:semicolonIncluded}}},{"../../tokenizer":106}],74:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var rawMode=require("./Raw").mode;var LEFTCURLYBRACKET=TYPE.LeftCurlyBracket;function consumeRaw(startToken){return this.Raw(startToken,rawMode.leftCurlyBracket,true)}function consumePrelude(){var prelude=this.SelectorList();if(prelude.type!=="Raw"&&this.scanner.eof===false&&this.scanner.tokenType!==LEFTCURLYBRACKET){this.error()}return prelude}module.exports={name:"Rule",structure:{prelude:["SelectorList","Raw"],block:["Block"]},parse:function(){var startToken=this.scanner.tokenIndex;var startOffset=this.scanner.tokenStart;var prelude;var block;if(this.parseRulePrelude){prelude=this.parseWithFallback(consumePrelude,consumeRaw)}else{prelude=consumeRaw.call(this,startToken)}block=this.Block(true);return{type:"Rule",loc:this.getLocation(startOffset,this.scanner.tokenStart),prelude:prelude,block:block}},generate:function(node){this.node(node.prelude);this.node(node.block)},walkContext:"rule"}},{"../../tokenizer":106,"./Raw":73}],75:[function(require,module,exports){module.exports={name:"Selector",structure:{children:[["TypeSelector","IdSelector","ClassSelector","AttributeSelector","PseudoClassSelector","PseudoElementSelector","Combinator","WhiteSpace"]]},parse:function(){var children=this.readSequence(this.scope.Selector);if(this.getFirstListNode(children)===null){this.error("Selector is expected")}return{type:"Selector",loc:this.getLocationFromList(children),children:children}},generate:function(node){this.children(node)}}},{}],76:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var COMMA=TYPE.Comma;module.exports={name:"SelectorList",structure:{children:[["Selector","Raw"]]},parse:function(){var children=this.createList();while(!this.scanner.eof){children.push(this.Selector());if(this.scanner.tokenType===COMMA){this.scanner.next();continue}break}return{type:"SelectorList",loc:this.getLocationFromList(children),children:children}},generate:function(node){this.children(node,function(){this.chunk(",")})},walkContext:"selector"}},{"../../tokenizer":106}],77:[function(require,module,exports){var STRING=require("../../tokenizer").TYPE.String;module.exports={name:"String",structure:{value:String},parse:function(){return{type:"String",loc:this.getLocation(this.scanner.tokenStart,this.scanner.tokenEnd),value:this.consume(STRING)}},generate:function(node){this.chunk(node.value)}}},{"../../tokenizer":106}],78:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var WHITESPACE=TYPE.WhiteSpace;var COMMENT=TYPE.Comment;var ATKEYWORD=TYPE.AtKeyword;var CDO=TYPE.CDO;var CDC=TYPE.CDC;var EXCLAMATIONMARK=33;function consumeRaw(startToken){return this.Raw(startToken,null,false)}module.exports={name:"StyleSheet",structure:{children:[["Comment","CDO","CDC","Atrule","Rule","Raw"]]},parse:function(){var start=this.scanner.tokenStart;var children=this.createList();var child;scan:while(!this.scanner.eof){switch(this.scanner.tokenType){case WHITESPACE:this.scanner.next();continue;case COMMENT:if(this.scanner.source.charCodeAt(this.scanner.tokenStart+2)!==EXCLAMATIONMARK){this.scanner.next();continue}child=this.Comment();break;case CDO:child=this.CDO();break;case CDC:child=this.CDC();break;case ATKEYWORD:child=this.parseWithFallback(this.Atrule,consumeRaw);break;default:child=this.parseWithFallback(this.Rule,consumeRaw)}children.push(child)}return{type:"StyleSheet",loc:this.getLocation(start,this.scanner.tokenStart),children:children}},generate:function(node){this.children(node)},walkContext:"stylesheet"}},{"../../tokenizer":106}],79:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var ASTERISK=42;var VERTICALLINE=124;function eatIdentifierOrAsterisk(){if(this.scanner.tokenType!==IDENT&&this.scanner.isDelim(ASTERISK)===false){this.error("Identifier or asterisk is expected")}this.scanner.next()}module.exports={name:"TypeSelector",structure:{name:String},parse:function(){var start=this.scanner.tokenStart;if(this.scanner.isDelim(VERTICALLINE)){this.scanner.next();eatIdentifierOrAsterisk.call(this)}else{eatIdentifierOrAsterisk.call(this);if(this.scanner.isDelim(VERTICALLINE)){this.scanner.next();eatIdentifierOrAsterisk.call(this)}}return{type:"TypeSelector",loc:this.getLocation(start,this.scanner.tokenStart),name:this.scanner.substrToCursor(start)}},generate:function(node){this.chunk(node.name)}}},{"../../tokenizer":106}],80:[function(require,module,exports){var isHexDigit=require("../../tokenizer").isHexDigit;var cmpChar=require("../../tokenizer").cmpChar;var TYPE=require("../../tokenizer").TYPE;var NAME=require("../../tokenizer").NAME;var IDENT=TYPE.Ident;var NUMBER=TYPE.Number;var DIMENSION=TYPE.Dimension;var PLUSSIGN=43;var HYPHENMINUS=45;var QUESTIONMARK=63;var U=117;function eatHexSequence(offset,allowDash){for(var pos=this.scanner.tokenStart+offset,len=0;pos<this.scanner.tokenEnd;pos++){var code=this.scanner.source.charCodeAt(pos);if(code===HYPHENMINUS&&allowDash&&len!==0){if(eatHexSequence.call(this,offset+len+1,false)===0){this.error()}return-1}if(!isHexDigit(code)){this.error(allowDash&&len!==0?"HyphenMinus"+(len<6?" or hex digit":"")+" is expected":len<6?"Hex digit is expected":"Unexpected input",pos)}if(++len>6){this.error("Too many hex digits",pos)}}this.scanner.next();return len}function eatQuestionMarkSequence(max){var count=0;while(this.scanner.isDelim(QUESTIONMARK)){if(++count>max){this.error("Too many question marks")}this.scanner.next()}}function startsWith(code){if(this.scanner.source.charCodeAt(this.scanner.tokenStart)!==code){this.error(NAME[code]+" is expected")}}function scanUnicodeRange(){var hexLength=0;if(this.scanner.isDelim(PLUSSIGN)){this.scanner.next();if(this.scanner.tokenType===IDENT){hexLength=eatHexSequence.call(this,0,true);if(hexLength>0){eatQuestionMarkSequence.call(this,6-hexLength)}return}if(this.scanner.isDelim(QUESTIONMARK)){this.scanner.next();eatQuestionMarkSequence.call(this,5);return}this.error("Hex digit or question mark is expected");return}if(this.scanner.tokenType===NUMBER){startsWith.call(this,PLUSSIGN);hexLength=eatHexSequence.call(this,1,true);if(this.scanner.isDelim(QUESTIONMARK)){eatQuestionMarkSequence.call(this,6-hexLength);return}if(this.scanner.tokenType===DIMENSION||this.scanner.tokenType===NUMBER){startsWith.call(this,HYPHENMINUS);eatHexSequence.call(this,1,false);return}return}if(this.scanner.tokenType===DIMENSION){startsWith.call(this,PLUSSIGN);hexLength=eatHexSequence.call(this,1,true);if(hexLength>0){eatQuestionMarkSequence.call(this,6-hexLength)}return}this.error()}module.exports={name:"UnicodeRange",structure:{value:String},parse:function(){var start=this.scanner.tokenStart;if(!cmpChar(this.scanner.source,start,U)){this.error("U is expected")}if(!cmpChar(this.scanner.source,start+1,PLUSSIGN)){this.error("Plus sign is expected")}this.scanner.next();scanUnicodeRange.call(this);return{type:"UnicodeRange",loc:this.getLocation(start,this.scanner.tokenStart),value:this.scanner.substrToCursor(start)}},generate:function(node){this.chunk(node.value)}}},{"../../tokenizer":106}],81:[function(require,module,exports){var isWhiteSpace=require("../../tokenizer").isWhiteSpace;var cmpStr=require("../../tokenizer").cmpStr;var TYPE=require("../../tokenizer").TYPE;var FUNCTION=TYPE.Function;var URL=TYPE.Url;var RIGHTPARENTHESIS=TYPE.RightParenthesis;module.exports={name:"Url",structure:{value:["String","Raw"]},parse:function(){var start=this.scanner.tokenStart;var value;switch(this.scanner.tokenType){case URL:var rawStart=start+4;var rawEnd=this.scanner.tokenEnd-1;while(rawStart<rawEnd&&isWhiteSpace(this.scanner.source.charCodeAt(rawStart))){rawStart++}while(rawStart<rawEnd&&isWhiteSpace(this.scanner.source.charCodeAt(rawEnd-1))){rawEnd--}value={type:"Raw",loc:this.getLocation(rawStart,rawEnd),value:this.scanner.source.substring(rawStart,rawEnd)};this.eat(URL);break;case FUNCTION:if(!cmpStr(this.scanner.source,this.scanner.tokenStart,this.scanner.tokenEnd,"url(")){this.error("Function name must be `url`")}this.eat(FUNCTION);this.scanner.skipSC();value=this.String();this.scanner.skipSC();this.eat(RIGHTPARENTHESIS);break;default:this.error("Url or Function is expected")}return{type:"Url",loc:this.getLocation(start,this.scanner.tokenStart),value:value}},generate:function(node){this.chunk("url");this.chunk("(");this.node(node.value);this.chunk(")")}}},{"../../tokenizer":106}],82:[function(require,module,exports){module.exports={name:"Value",structure:{children:[[]]},parse:function(){var start=this.scanner.tokenStart;var children=this.readSequence(this.scope.Value);return{type:"Value",loc:this.getLocation(start,this.scanner.tokenStart),children:children}},generate:function(node){this.children(node)}}},{}],83:[function(require,module,exports){var WHITESPACE=require("../../tokenizer").TYPE.WhiteSpace;var SPACE=Object.freeze({type:"WhiteSpace",loc:null,value:" "});module.exports={name:"WhiteSpace",structure:{value:String},parse:function(){this.eat(WHITESPACE);return SPACE},generate:function(node){this.chunk(node.value)}}},{"../../tokenizer":106}],84:[function(require,module,exports){module.exports={AnPlusB:require("./AnPlusB"),Atrule:require("./Atrule"),AtrulePrelude:require("./AtrulePrelude"),AttributeSelector:require("./AttributeSelector"),Block:require("./Block"),Brackets:require("./Brackets"),CDC:require("./CDC"),CDO:require("./CDO"),ClassSelector:require("./ClassSelector"),Combinator:require("./Combinator"),Comment:require("./Comment"),Declaration:require("./Declaration"),DeclarationList:require("./DeclarationList"),Dimension:require("./Dimension"),Function:require("./Function"),HexColor:require("./HexColor"),Identifier:require("./Identifier"),IdSelector:require("./IdSelector"),MediaFeature:require("./MediaFeature"),MediaQuery:require("./MediaQuery"),MediaQueryList:require("./MediaQueryList"),Nth:require("./Nth"),Number:require("./Number"),Operator:require("./Operator"),Parentheses:require("./Parentheses"),Percentage:require("./Percentage"),PseudoClassSelector:require("./PseudoClassSelector"),PseudoElementSelector:require("./PseudoElementSelector"),Ratio:require("./Ratio"),
Raw:require("./Raw"),Rule:require("./Rule"),Selector:require("./Selector"),SelectorList:require("./SelectorList"),String:require("./String"),StyleSheet:require("./StyleSheet"),TypeSelector:require("./TypeSelector"),UnicodeRange:require("./UnicodeRange"),Url:require("./Url"),Value:require("./Value"),WhiteSpace:require("./WhiteSpace")}},{"./AnPlusB":44,"./Atrule":45,"./AtrulePrelude":46,"./AttributeSelector":47,"./Block":48,"./Brackets":49,"./CDC":50,"./CDO":51,"./ClassSelector":52,"./Combinator":53,"./Comment":54,"./Declaration":55,"./DeclarationList":56,"./Dimension":57,"./Function":58,"./HexColor":59,"./IdSelector":60,"./Identifier":61,"./MediaFeature":62,"./MediaQuery":63,"./MediaQueryList":64,"./Nth":65,"./Number":66,"./Operator":67,"./Parentheses":68,"./Percentage":69,"./PseudoClassSelector":70,"./PseudoElementSelector":71,"./Ratio":72,"./Raw":73,"./Rule":74,"./Selector":75,"./SelectorList":76,"./String":77,"./StyleSheet":78,"./TypeSelector":79,"./UnicodeRange":80,"./Url":81,"./Value":82,"./WhiteSpace":83}],85:[function(require,module,exports){var DISALLOW_OF_CLAUSE=false;module.exports={parse:function nth(){return this.createSingleNodeList(this.Nth(DISALLOW_OF_CLAUSE))}}},{}],86:[function(require,module,exports){var ALLOW_OF_CLAUSE=true;module.exports={parse:function nthWithOfClause(){return this.createSingleNodeList(this.Nth(ALLOW_OF_CLAUSE))}}},{}],87:[function(require,module,exports){module.exports={parse:function selectorList(){return this.createSingleNodeList(this.SelectorList())}}},{}],88:[function(require,module,exports){module.exports={parse:function(){return this.createSingleNodeList(this.Identifier())}}},{}],89:[function(require,module,exports){module.exports={parse:function(){return this.createSingleNodeList(this.SelectorList())}}},{}],90:[function(require,module,exports){module.exports={dir:require("./dir"),has:require("./has"),lang:require("./lang"),matches:require("./matches"),not:require("./not"),"nth-child":require("./nth-child"),"nth-last-child":require("./nth-last-child"),"nth-last-of-type":require("./nth-last-of-type"),"nth-of-type":require("./nth-of-type"),slotted:require("./slotted")}},{"./dir":88,"./has":89,"./lang":91,"./matches":92,"./not":93,"./nth-child":94,"./nth-last-child":95,"./nth-last-of-type":96,"./nth-of-type":97,"./slotted":98}],91:[function(require,module,exports){arguments[4][88][0].apply(exports,arguments)},{dup:88}],92:[function(require,module,exports){module.exports=require("./common/selectorList")},{"./common/selectorList":87}],93:[function(require,module,exports){arguments[4][92][0].apply(exports,arguments)},{"./common/selectorList":87,dup:92}],94:[function(require,module,exports){module.exports=require("./common/nthWithOfClause")},{"./common/nthWithOfClause":86}],95:[function(require,module,exports){arguments[4][94][0].apply(exports,arguments)},{"./common/nthWithOfClause":86,dup:94}],96:[function(require,module,exports){module.exports=require("./common/nth")},{"./common/nth":85}],97:[function(require,module,exports){arguments[4][96][0].apply(exports,arguments)},{"./common/nth":85,dup:96}],98:[function(require,module,exports){module.exports={parse:function compoundSelector(){return this.createSingleNodeList(this.Selector())}}},{}],99:[function(require,module,exports){module.exports={getNode:require("./default")}},{"./default":100}],100:[function(require,module,exports){var cmpChar=require("../../tokenizer").cmpChar;var cmpStr=require("../../tokenizer").cmpStr;var TYPE=require("../../tokenizer").TYPE;var IDENT=TYPE.Ident;var STRING=TYPE.String;var NUMBER=TYPE.Number;var FUNCTION=TYPE.Function;var URL=TYPE.Url;var HASH=TYPE.Hash;var DIMENSION=TYPE.Dimension;var PERCENTAGE=TYPE.Percentage;var LEFTPARENTHESIS=TYPE.LeftParenthesis;var LEFTSQUAREBRACKET=TYPE.LeftSquareBracket;var COMMA=TYPE.Comma;var DELIM=TYPE.Delim;var NUMBERSIGN=35;var ASTERISK=42;var PLUSSIGN=43;var HYPHENMINUS=45;var SOLIDUS=47;var U=117;module.exports=function defaultRecognizer(context){switch(this.scanner.tokenType){case HASH:return this.HexColor();case COMMA:context.space=null;context.ignoreWSAfter=true;return this.Operator();case LEFTPARENTHESIS:return this.Parentheses(this.readSequence,context.recognizer);case LEFTSQUAREBRACKET:return this.Brackets(this.readSequence,context.recognizer);case STRING:return this.String();case DIMENSION:return this.Dimension();case PERCENTAGE:return this.Percentage();case NUMBER:return this.Number();case FUNCTION:return cmpStr(this.scanner.source,this.scanner.tokenStart,this.scanner.tokenEnd,"url(")?this.Url():this.Function(this.readSequence,context.recognizer);case URL:return this.Url();case IDENT:if(cmpChar(this.scanner.source,this.scanner.tokenStart,U)&&cmpChar(this.scanner.source,this.scanner.tokenStart+1,PLUSSIGN)){return this.UnicodeRange()}else{return this.Identifier()}case DELIM:var code=this.scanner.source.charCodeAt(this.scanner.tokenStart);if(code===SOLIDUS||code===ASTERISK||code===PLUSSIGN||code===HYPHENMINUS){return this.Operator()}if(code===NUMBERSIGN){this.error("Hex or identifier is expected",this.scanner.tokenStart+1)}break}}},{"../../tokenizer":106}],101:[function(require,module,exports){module.exports={AtrulePrelude:require("./atrulePrelude"),Selector:require("./selector"),Value:require("./value")}},{"./atrulePrelude":99,"./selector":102,"./value":103}],102:[function(require,module,exports){var TYPE=require("../../tokenizer").TYPE;var DELIM=TYPE.Delim;var IDENT=TYPE.Ident;var DIMENSION=TYPE.Dimension;var PERCENTAGE=TYPE.Percentage;var NUMBER=TYPE.Number;var HASH=TYPE.Hash;var COLON=TYPE.Colon;var LEFTSQUAREBRACKET=TYPE.LeftSquareBracket;var NUMBERSIGN=35;var ASTERISK=42;var PLUSSIGN=43;var SOLIDUS=47;var FULLSTOP=46;var GREATERTHANSIGN=62;var VERTICALLINE=124;var TILDE=126;function getNode(context){switch(this.scanner.tokenType){case LEFTSQUAREBRACKET:return this.AttributeSelector();case HASH:return this.IdSelector();case COLON:if(this.scanner.lookupType(1)===COLON){return this.PseudoElementSelector()}else{return this.PseudoClassSelector()}case IDENT:return this.TypeSelector();case NUMBER:case PERCENTAGE:return this.Percentage();case DIMENSION:if(this.scanner.source.charCodeAt(this.scanner.tokenStart)===FULLSTOP){this.error("Identifier is expected",this.scanner.tokenStart+1)}break;case DELIM:var code=this.scanner.source.charCodeAt(this.scanner.tokenStart);switch(code){case PLUSSIGN:case GREATERTHANSIGN:case TILDE:context.space=null;context.ignoreWSAfter=true;return this.Combinator();case SOLIDUS:return this.Combinator();case FULLSTOP:return this.ClassSelector();case ASTERISK:case VERTICALLINE:return this.TypeSelector();case NUMBERSIGN:return this.IdSelector()}break}}module.exports={getNode:getNode}},{"../../tokenizer":106}],103:[function(require,module,exports){module.exports={getNode:require("./default"),"-moz-element":require("../function/element"),element:require("../function/element"),expression:require("../function/expression"),var:require("../function/var")}},{"../function/element":40,"../function/expression":41,"../function/var":42,"./default":100}],104:[function(require,module,exports){var EOF=0;function isDigit(code){return code>=48&&code<=57}function isHexDigit(code){return isDigit(code)||code>=65&&code<=70||code>=97&&code<=102}function isUppercaseLetter(code){return code>=65&&code<=90}function isLowercaseLetter(code){return code>=97&&code<=122}function isLetter(code){return isUppercaseLetter(code)||isLowercaseLetter(code)}function isNonAscii(code){return code>=128}function isNameStart(code){return isLetter(code)||isNonAscii(code)||code===95}function isName(code){return isNameStart(code)||isDigit(code)||code===45}function isNonPrintable(code){return code>=0&&code<=8||code===11||code>=14&&code<=31||code===127}function isNewline(code){return code===10||code===13||code===12}function isWhiteSpace(code){return isNewline(code)||code===32||code===9}function isValidEscape(first,second){if(first!==92){return false}if(isNewline(second)||second===EOF){return false}return true}function isIdentifierStart(first,second,third){if(first===45){return isNameStart(second)||second===45||isValidEscape(second,third)}if(isNameStart(first)){return true}if(first===92){return isValidEscape(first,second)}return false}function isNumberStart(first,second,third){if(first===43||first===45){if(isDigit(second)){return 2}return second===46&&isDigit(third)?3:0}if(first===46){return isDigit(second)?2:0}if(isDigit(first)){return 1}return 0}function isBOM(code){if(code===65279){return 1}if(code===65534){return 1}return 0}var CATEGORY=new Array(128);charCodeCategory.Eof=128;charCodeCategory.WhiteSpace=130;charCodeCategory.Digit=131;charCodeCategory.NameStart=132;charCodeCategory.NonPrintable=133;for(var i=0;i<CATEGORY.length;i++){switch(true){case isWhiteSpace(i):CATEGORY[i]=charCodeCategory.WhiteSpace;break;case isDigit(i):CATEGORY[i]=charCodeCategory.Digit;break;case isNameStart(i):CATEGORY[i]=charCodeCategory.NameStart;break;case isNonPrintable(i):CATEGORY[i]=charCodeCategory.NonPrintable;break;default:CATEGORY[i]=i||charCodeCategory.Eof}}function charCodeCategory(code){return code<128?CATEGORY[code]:charCodeCategory.NameStart}module.exports={isDigit:isDigit,isHexDigit:isHexDigit,isUppercaseLetter:isUppercaseLetter,isLowercaseLetter:isLowercaseLetter,isLetter:isLetter,isNonAscii:isNonAscii,isNameStart:isNameStart,isName:isName,isNonPrintable:isNonPrintable,isNewline:isNewline,isWhiteSpace:isWhiteSpace,isValidEscape:isValidEscape,isIdentifierStart:isIdentifierStart,isNumberStart:isNumberStart,isBOM:isBOM,charCodeCategory:charCodeCategory}},{}],105:[function(require,module,exports){var TYPE={EOF:0,Ident:1,Function:2,AtKeyword:3,Hash:4,String:5,BadString:6,Url:7,BadUrl:8,Delim:9,Number:10,Percentage:11,Dimension:12,WhiteSpace:13,CDO:14,CDC:15,Colon:16,Semicolon:17,Comma:18,LeftSquareBracket:19,RightSquareBracket:20,LeftParenthesis:21,RightParenthesis:22,LeftCurlyBracket:23,RightCurlyBracket:24,Comment:25};var NAME=Object.keys(TYPE).reduce(function(result,key){result[TYPE[key]]=key;return result},{});module.exports={TYPE:TYPE,NAME:NAME}},{}],106:[function(require,module,exports){var TokenStream=require("../common/TokenStream");var adoptBuffer=require("../common/adopt-buffer");var constants=require("./const");var TYPE=constants.TYPE;var charCodeDefinitions=require("./char-code-definitions");var isNewline=charCodeDefinitions.isNewline;var isName=charCodeDefinitions.isName;var isValidEscape=charCodeDefinitions.isValidEscape;var isNumberStart=charCodeDefinitions.isNumberStart;var isIdentifierStart=charCodeDefinitions.isIdentifierStart;var charCodeCategory=charCodeDefinitions.charCodeCategory;var isBOM=charCodeDefinitions.isBOM;var utils=require("./utils");var cmpStr=utils.cmpStr;var getNewlineLength=utils.getNewlineLength;var findWhiteSpaceEnd=utils.findWhiteSpaceEnd;var consumeEscaped=utils.consumeEscaped;var consumeName=utils.consumeName;var consumeNumber=utils.consumeNumber;var consumeBadUrlRemnants=utils.consumeBadUrlRemnants;var OFFSET_MASK=16777215;var TYPE_SHIFT=24;function tokenize(source,stream){function getCharCode(offset){return offset<sourceLength?source.charCodeAt(offset):0}function consumeNumericToken(){offset=consumeNumber(source,offset);if(isIdentifierStart(getCharCode(offset),getCharCode(offset+1),getCharCode(offset+2))){type=TYPE.Dimension;offset=consumeName(source,offset);return}if(getCharCode(offset)===37){type=TYPE.Percentage;offset++;return}type=TYPE.Number}function consumeIdentLikeToken(){const nameStartOffset=offset;offset=consumeName(source,offset);if(cmpStr(source,nameStartOffset,offset,"url")&&getCharCode(offset)===40){offset=findWhiteSpaceEnd(source,offset+1);if(getCharCode(offset)===34||getCharCode(offset)===39){type=TYPE.Function;offset=nameStartOffset+4;return}consumeUrlToken();return}if(getCharCode(offset)===40){type=TYPE.Function;offset++;return}type=TYPE.Ident}function consumeStringToken(endingCodePoint){if(!endingCodePoint){endingCodePoint=getCharCode(offset++)}type=TYPE.String;for(;offset<source.length;offset++){var code=source.charCodeAt(offset);switch(charCodeCategory(code)){case endingCodePoint:offset++;return;case charCodeCategory.Eof:return;case charCodeCategory.WhiteSpace:if(isNewline(code)){offset+=getNewlineLength(source,offset,code);type=TYPE.BadString;return}break;case 92:if(offset===source.length-1){break}var nextCode=getCharCode(offset+1);if(isNewline(nextCode)){offset+=getNewlineLength(source,offset+1,nextCode)}else if(isValidEscape(code,nextCode)){offset=consumeEscaped(source,offset)-1}break}}}function consumeUrlToken(){type=TYPE.Url;offset=findWhiteSpaceEnd(source,offset);for(;offset<source.length;offset++){var code=source.charCodeAt(offset);switch(charCodeCategory(code)){case 41:offset++;return;case charCodeCategory.Eof:return;case charCodeCategory.WhiteSpace:offset=findWhiteSpaceEnd(source,offset);if(getCharCode(offset)===41||offset>=source.length){if(offset<source.length){offset++}return}offset=consumeBadUrlRemnants(source,offset);type=TYPE.BadUrl;return;case 34:case 39:case 40:case charCodeCategory.NonPrintable:offset=consumeBadUrlRemnants(source,offset);type=TYPE.BadUrl;return;case 92:if(isValidEscape(code,getCharCode(offset+1))){offset=consumeEscaped(source,offset)-1;break}offset=consumeBadUrlRemnants(source,offset);type=TYPE.BadUrl;return}}}if(!stream){stream=new TokenStream}source=String(source||"");var sourceLength=source.length;var offsetAndType=adoptBuffer(stream.offsetAndType,sourceLength+1);var balance=adoptBuffer(stream.balance,sourceLength+1);var tokenCount=0;var start=isBOM(getCharCode(0));var offset=start;var balanceCloseType=0;var balanceStart=0;var balancePrev=0;while(offset<sourceLength){var code=source.charCodeAt(offset);var type=0;balance[tokenCount]=sourceLength;switch(charCodeCategory(code)){case charCodeCategory.WhiteSpace:type=TYPE.WhiteSpace;offset=findWhiteSpaceEnd(source,offset+1);break;case 34:consumeStringToken();break;case 35:if(isName(getCharCode(offset+1))||isValidEscape(getCharCode(offset+1),getCharCode(offset+2))){type=TYPE.Hash;offset=consumeName(source,offset+1)}else{type=TYPE.Delim;offset++}break;case 39:consumeStringToken();break;case 40:type=TYPE.LeftParenthesis;offset++;break;case 41:type=TYPE.RightParenthesis;offset++;break;case 43:if(isNumberStart(code,getCharCode(offset+1),getCharCode(offset+2))){consumeNumericToken()}else{type=TYPE.Delim;offset++}break;case 44:type=TYPE.Comma;offset++;break;case 45:if(isNumberStart(code,getCharCode(offset+1),getCharCode(offset+2))){consumeNumericToken()}else{if(getCharCode(offset+1)===45&&getCharCode(offset+2)===62){type=TYPE.CDC;offset=offset+3}else{if(isIdentifierStart(code,getCharCode(offset+1),getCharCode(offset+2))){consumeIdentLikeToken()}else{type=TYPE.Delim;offset++}}}break;case 46:if(isNumberStart(code,getCharCode(offset+1),getCharCode(offset+2))){consumeNumericToken()}else{type=TYPE.Delim;offset++}break;case 47:if(getCharCode(offset+1)===42){type=TYPE.Comment;offset=source.indexOf("*/",offset+2)+2;if(offset===1){offset=source.length}}else{type=TYPE.Delim;offset++}break;case 58:type=TYPE.Colon;offset++;break;case 59:type=TYPE.Semicolon;offset++;break;case 60:if(getCharCode(offset+1)===33&&getCharCode(offset+2)===45&&getCharCode(offset+3)===45){type=TYPE.CDO;offset=offset+4}else{type=TYPE.Delim;offset++}break;case 64:if(isIdentifierStart(getCharCode(offset+1),getCharCode(offset+2),getCharCode(offset+3))){type=TYPE.AtKeyword;offset=consumeName(source,offset+1)}else{type=TYPE.Delim;offset++}break;case 91:type=TYPE.LeftSquareBracket;offset++;break;case 92:if(isValidEscape(code,getCharCode(offset+1))){consumeIdentLikeToken()}else{type=TYPE.Delim;offset++}break;case 93:type=TYPE.RightSquareBracket;offset++;break;case 123:type=TYPE.LeftCurlyBracket;offset++;break;case 125:type=TYPE.RightCurlyBracket;offset++;break;case charCodeCategory.Digit:consumeNumericToken();break;case charCodeCategory.NameStart:consumeIdentLikeToken();break;case charCodeCategory.Eof:break;default:type=TYPE.Delim;offset++}switch(type){case balanceCloseType:balancePrev=balanceStart&OFFSET_MASK;balanceStart=balance[balancePrev];balanceCloseType=balanceStart>>TYPE_SHIFT;balance[tokenCount]=balancePrev;balance[balancePrev++]=tokenCount;for(;balancePrev<tokenCount;balancePrev++){if(balance[balancePrev]===sourceLength){balance[balancePrev]=tokenCount}}break;case TYPE.LeftParenthesis:case TYPE.Function:balance[tokenCount]=balanceStart;balanceCloseType=TYPE.RightParenthesis;balanceStart=balanceCloseType<<TYPE_SHIFT|tokenCount;break;case TYPE.LeftSquareBracket:balance[tokenCount]=balanceStart;balanceCloseType=TYPE.RightSquareBracket;balanceStart=balanceCloseType<<TYPE_SHIFT|tokenCount;break;case TYPE.LeftCurlyBracket:balance[tokenCount]=balanceStart;balanceCloseType=TYPE.RightCurlyBracket;balanceStart=balanceCloseType<<TYPE_SHIFT|tokenCount;break}offsetAndType[tokenCount++]=type<<TYPE_SHIFT|offset}offsetAndType[tokenCount]=TYPE.EOF<<TYPE_SHIFT|offset;balance[tokenCount]=sourceLength;balance[sourceLength]=sourceLength;while(balanceStart!==0){balancePrev=balanceStart&OFFSET_MASK;balanceStart=balance[balancePrev];balance[balancePrev]=sourceLength}stream.source=source;stream.firstCharOffset=start;stream.offsetAndType=offsetAndType;stream.tokenCount=tokenCount;stream.balance=balance;stream.reset();stream.next();return stream}Object.keys(constants).forEach(function(key){tokenize[key]=constants[key]});Object.keys(charCodeDefinitions).forEach(function(key){tokenize[key]=charCodeDefinitions[key]});Object.keys(utils).forEach(function(key){tokenize[key]=utils[key]});module.exports=tokenize},{"../common/TokenStream":5,"../common/adopt-buffer":6,"./char-code-definitions":104,"./const":105,"./utils":107}],107:[function(require,module,exports){var charCodeDef=require("./char-code-definitions");var isDigit=charCodeDef.isDigit;var isHexDigit=charCodeDef.isHexDigit;var isUppercaseLetter=charCodeDef.isUppercaseLetter;var isName=charCodeDef.isName;var isWhiteSpace=charCodeDef.isWhiteSpace;var isValidEscape=charCodeDef.isValidEscape;function getCharCode(source,offset){return offset<source.length?source.charCodeAt(offset):0}function getNewlineLength(source,offset,code){if(code===13&&getCharCode(source,offset+1)===10){return 2}return 1}function cmpChar(testStr,offset,referenceCode){var code=testStr.charCodeAt(offset);if(isUppercaseLetter(code)){code=code|32}return code===referenceCode}function cmpStr(testStr,start,end,referenceStr){if(end-start!==referenceStr.length){return false}if(start<0||end>testStr.length){return false}for(var i=start;i<end;i++){var testCode=testStr.charCodeAt(i);var referenceCode=referenceStr.charCodeAt(i-start);if(isUppercaseLetter(testCode)){testCode=testCode|32}if(testCode!==referenceCode){return false}}return true}function findWhiteSpaceStart(source,offset){for(;offset>=0;offset--){if(!isWhiteSpace(source.charCodeAt(offset))){break}}return offset+1}function findWhiteSpaceEnd(source,offset){for(;offset<source.length;offset++){if(!isWhiteSpace(source.charCodeAt(offset))){break}}return offset}function findDecimalNumberEnd(source,offset){for(;offset<source.length;offset++){if(!isDigit(source.charCodeAt(offset))){break}}return offset}function consumeEscaped(source,offset){offset+=2;if(isHexDigit(getCharCode(source,offset-1))){for(var maxOffset=Math.min(source.length,offset+5);offset<maxOffset;offset++){if(!isHexDigit(getCharCode(source,offset))){break}}var code=getCharCode(source,offset);if(isWhiteSpace(code)){offset+=getNewlineLength(source,offset,code)}}return offset}function consumeName(source,offset){for(;offset<source.length;offset++){var code=source.charCodeAt(offset);if(isName(code)){continue}if(isValidEscape(code,getCharCode(source,offset+1))){offset=consumeEscaped(source,offset)-1;continue}break}return offset}function consumeNumber(source,offset){var code=source.charCodeAt(offset);if(code===43||code===45){code=source.charCodeAt(offset+=1)}if(isDigit(code)){offset=findDecimalNumberEnd(source,offset+1);code=source.charCodeAt(offset)}if(code===46&&isDigit(source.charCodeAt(offset+1))){code=source.charCodeAt(offset+=2);offset=findDecimalNumberEnd(source,offset)}if(cmpChar(source,offset,101)){var sign=0;code=source.charCodeAt(offset+1);if(code===45||code===43){sign=1;code=source.charCodeAt(offset+2)}if(isDigit(code)){offset=findDecimalNumberEnd(source,offset+1+sign+1)}}return offset}function consumeBadUrlRemnants(source,offset){for(;offset<source.length;offset++){var code=source.charCodeAt(offset);if(code===41){offset++;break}if(isValidEscape(code,getCharCode(source,offset+1))){offset=consumeEscaped(source,offset)}}return offset}module.exports={consumeEscaped:consumeEscaped,consumeName:consumeName,consumeNumber:consumeNumber,consumeBadUrlRemnants:consumeBadUrlRemnants,cmpChar:cmpChar,cmpStr:cmpStr,getNewlineLength:getNewlineLength,findWhiteSpaceStart:findWhiteSpaceStart,findWhiteSpaceEnd:findWhiteSpaceEnd}},{"./char-code-definitions":104}],108:[function(require,module,exports){var List=require("../common/List");module.exports=function clone(node){var result={};for(var key in node){var value=node[key];if(value){if(Array.isArray(value)||value instanceof List){value=value.map(clone)}else if(value.constructor===Object){value=clone(value)}}result[key]=value}return result}},{"../common/List":2}],109:[function(require,module,exports){module.exports=function createCustomError(name,message){var error=Object.create(SyntaxError.prototype);var errorStack=new Error;error.name=name;error.message=message;Object.defineProperty(error,"stack",{get:function(){return(errorStack.stack||"").replace(/^(.+\n){1,3}/,name+": "+message+"\n")}});return error}},{}],110:[function(require,module,exports){var hasOwnProperty=Object.prototype.hasOwnProperty;var keywords=Object.create(null);var properties=Object.create(null);var HYPHENMINUS=45;function isCustomProperty(str,offset){offset=offset||0;return str.length-offset>=2&&str.charCodeAt(offset)===HYPHENMINUS&&str.charCodeAt(offset+1)===HYPHENMINUS}function getVendorPrefix(str,offset){offset=offset||0;if(str.length-offset>=3){if(str.charCodeAt(offset)===HYPHENMINUS&&str.charCodeAt(offset+1)!==HYPHENMINUS){var secondDashIndex=str.indexOf("-",offset+2);if(secondDashIndex!==-1){return str.substring(offset,secondDashIndex+1)}}}return""}function getKeywordDescriptor(keyword){if(hasOwnProperty.call(keywords,keyword)){return keywords[keyword]}var name=keyword.toLowerCase();if(hasOwnProperty.call(keywords,name)){return keywords[keyword]=keywords[name]}var custom=isCustomProperty(name,0);var vendor=!custom?getVendorPrefix(name,0):"";return keywords[keyword]=Object.freeze({basename:name.substr(vendor.length),name:name,vendor:vendor,prefix:vendor,custom:custom})}function getPropertyDescriptor(property){if(hasOwnProperty.call(properties,property)){return properties[property]}var name=property;var hack=property[0];if(hack==="/"){hack=property[1]==="/"?"//":"/"}else if(hack!=="_"&&hack!=="*"&&hack!=="$"&&hack!=="#"&&hack!=="+"&&hack!=="&"){hack=""}var custom=isCustomProperty(name,hack.length);if(!custom){name=name.toLowerCase();if(hasOwnProperty.call(properties,name)){return properties[property]=properties[name]}}var vendor=!custom?getVendorPrefix(name,hack.length):"";var prefix=name.substr(0,hack.length+vendor.length);return properties[property]=Object.freeze({basename:name.substr(prefix.length),name:name.substr(hack.length),hack:hack,vendor:vendor,prefix:prefix,custom:custom})}module.exports={keyword:getKeywordDescriptor,property:getPropertyDescriptor,isCustomProperty:isCustomProperty,vendorPrefix:getVendorPrefix}},{}],111:[function(require,module,exports){var util=require("./util");var has=Object.prototype.hasOwnProperty;var hasNativeMap=typeof Map!=="undefined";function ArraySet(){this._array=[];this._set=hasNativeMap?new Map:Object.create(null)}ArraySet.fromArray=function ArraySet_fromArray(aArray,aAllowDuplicates){var set=new ArraySet;for(var i=0,len=aArray.length;i<len;i++){set.add(aArray[i],aAllowDuplicates)}return set};ArraySet.prototype.size=function ArraySet_size(){return hasNativeMap?this._set.size:Object.getOwnPropertyNames(this._set).length};ArraySet.prototype.add=function ArraySet_add(aStr,aAllowDuplicates){var sStr=hasNativeMap?aStr:util.toSetString(aStr);var isDuplicate=hasNativeMap?this.has(aStr):has.call(this._set,sStr);var idx=this._array.length;if(!isDuplicate||aAllowDuplicates){this._array.push(aStr)}if(!isDuplicate){if(hasNativeMap){this._set.set(aStr,idx)}else{this._set[sStr]=idx}}};ArraySet.prototype.has=function ArraySet_has(aStr){if(hasNativeMap){return this._set.has(aStr)}else{var sStr=util.toSetString(aStr);return has.call(this._set,sStr)}};ArraySet.prototype.indexOf=function ArraySet_indexOf(aStr){if(hasNativeMap){var idx=this._set.get(aStr);if(idx>=0){return idx}}else{var sStr=util.toSetString(aStr);if(has.call(this._set,sStr)){return this._set[sStr]}}throw new Error('"'+aStr+'" is not in the set.')};ArraySet.prototype.at=function ArraySet_at(aIdx){if(aIdx>=0&&aIdx<this._array.length){return this._array[aIdx]}throw new Error("No element indexed by "+aIdx)};ArraySet.prototype.toArray=function ArraySet_toArray(){return this._array.slice()};exports.ArraySet=ArraySet},{"./util":120}],112:[function(require,module,exports){var base64=require("./base64");var VLQ_BASE_SHIFT=5;var VLQ_BASE=1<<VLQ_BASE_SHIFT;var VLQ_BASE_MASK=VLQ_BASE-1;var VLQ_CONTINUATION_BIT=VLQ_BASE;function toVLQSigned(aValue){return aValue<0?(-aValue<<1)+1:(aValue<<1)+0}function fromVLQSigned(aValue){var isNegative=(aValue&1)===1;var shifted=aValue>>1;return isNegative?-shifted:shifted}exports.encode=function base64VLQ_encode(aValue){var encoded="";var digit;var vlq=toVLQSigned(aValue);do{digit=vlq&VLQ_BASE_MASK;vlq>>>=VLQ_BASE_SHIFT;if(vlq>0){digit|=VLQ_CONTINUATION_BIT}encoded+=base64.encode(digit)}while(vlq>0);return encoded};exports.decode=function base64VLQ_decode(aStr,aIndex,aOutParam){var strLen=aStr.length;var result=0;var shift=0;var continuation,digit;do{if(aIndex>=strLen){throw new Error("Expected more digits in base 64 VLQ value.")}digit=base64.decode(aStr.charCodeAt(aIndex++));if(digit===-1){throw new Error("Invalid base64 digit: "+aStr.charAt(aIndex-1))}continuation=!!(digit&VLQ_CONTINUATION_BIT);digit&=VLQ_BASE_MASK;result=result+(digit<<shift);shift+=VLQ_BASE_SHIFT}while(continuation);aOutParam.value=fromVLQSigned(result);aOutParam.rest=aIndex}},{"./base64":113}],113:[function(require,module,exports){var intToCharMap="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");exports.encode=function(number){if(0<=number&&number<intToCharMap.length){return intToCharMap[number]}throw new TypeError("Must be between 0 and 63: "+number)};exports.decode=function(charCode){var bigA=65;var bigZ=90;var littleA=97;var littleZ=122;var zero=48;var nine=57;var plus=43;var slash=47;var littleOffset=26;var numberOffset=52;if(bigA<=charCode&&charCode<=bigZ){return charCode-bigA}if(littleA<=charCode&&charCode<=littleZ){return charCode-littleA+littleOffset}if(zero<=charCode&&charCode<=nine){return charCode-zero+numberOffset}if(charCode==plus){return 62}if(charCode==slash){return 63}return-1}},{}],114:[function(require,module,exports){exports.GREATEST_LOWER_BOUND=1;exports.LEAST_UPPER_BOUND=2;function recursiveSearch(aLow,aHigh,aNeedle,aHaystack,aCompare,aBias){var mid=Math.floor((aHigh-aLow)/2)+aLow;var cmp=aCompare(aNeedle,aHaystack[mid],true);if(cmp===0){return mid}else if(cmp>0){if(aHigh-mid>1){return recursiveSearch(mid,aHigh,aNeedle,aHaystack,aCompare,aBias)}if(aBias==exports.LEAST_UPPER_BOUND){return aHigh<aHaystack.length?aHigh:-1}else{return mid}}else{if(mid-aLow>1){return recursiveSearch(aLow,mid,aNeedle,aHaystack,aCompare,aBias)}if(aBias==exports.LEAST_UPPER_BOUND){return mid}else{return aLow<0?-1:aLow}}}exports.search=function search(aNeedle,aHaystack,aCompare,aBias){if(aHaystack.length===0){return-1}var index=recursiveSearch(-1,aHaystack.length,aNeedle,aHaystack,aCompare,aBias||exports.GREATEST_LOWER_BOUND);if(index<0){return-1}while(index-1>=0){if(aCompare(aHaystack[index],aHaystack[index-1],true)!==0){break}--index}return index}},{}],115:[function(require,module,exports){var util=require("./util");function generatedPositionAfter(mappingA,mappingB){var lineA=mappingA.generatedLine;var lineB=mappingB.generatedLine;var columnA=mappingA.generatedColumn;var columnB=mappingB.generatedColumn;return lineB>lineA||lineB==lineA&&columnB>=columnA||util.compareByGeneratedPositionsInflated(mappingA,mappingB)<=0}function MappingList(){this._array=[];this._sorted=true;this._last={generatedLine:-1,generatedColumn:0}}MappingList.prototype.unsortedForEach=function MappingList_forEach(aCallback,aThisArg){this._array.forEach(aCallback,aThisArg)};MappingList.prototype.add=function MappingList_add(aMapping){if(generatedPositionAfter(this._last,aMapping)){this._last=aMapping;this._array.push(aMapping)}else{this._sorted=false;this._array.push(aMapping)}};MappingList.prototype.toArray=function MappingList_toArray(){if(!this._sorted){this._array.sort(util.compareByGeneratedPositionsInflated);this._sorted=true}return this._array};exports.MappingList=MappingList},{"./util":120}],116:[function(require,module,exports){function swap(ary,x,y){var temp=ary[x];ary[x]=ary[y];ary[y]=temp}function randomIntInRange(low,high){return Math.round(low+Math.random()*(high-low))}function doQuickSort(ary,comparator,p,r){if(p<r){var pivotIndex=randomIntInRange(p,r);var i=p-1;swap(ary,pivotIndex,r);var pivot=ary[r];for(var j=p;j<r;j++){if(comparator(ary[j],pivot)<=0){i+=1;swap(ary,i,j)}}swap(ary,i+1,j);var q=i+1;doQuickSort(ary,comparator,p,q-1);doQuickSort(ary,comparator,q+1,r)}}exports.quickSort=function(ary,comparator){doQuickSort(ary,comparator,0,ary.length-1)}},{}],117:[function(require,module,exports){var util=require("./util");var binarySearch=require("./binary-search");var ArraySet=require("./array-set").ArraySet;var base64VLQ=require("./base64-vlq");var quickSort=require("./quick-sort").quickSort;function SourceMapConsumer(aSourceMap){var sourceMap=aSourceMap;if(typeof aSourceMap==="string"){sourceMap=JSON.parse(aSourceMap.replace(/^\)\]\}'/,""))}return sourceMap.sections!=null?new IndexedSourceMapConsumer(sourceMap):new BasicSourceMapConsumer(sourceMap)}SourceMapConsumer.fromSourceMap=function(aSourceMap){return BasicSourceMapConsumer.fromSourceMap(aSourceMap)};SourceMapConsumer.prototype._version=3;SourceMapConsumer.prototype.__generatedMappings=null;Object.defineProperty(SourceMapConsumer.prototype,"_generatedMappings",{get:function(){if(!this.__generatedMappings){this._parseMappings(this._mappings,this.sourceRoot)}return this.__generatedMappings}});SourceMapConsumer.prototype.__originalMappings=null;Object.defineProperty(SourceMapConsumer.prototype,"_originalMappings",{get:function(){if(!this.__originalMappings){this._parseMappings(this._mappings,this.sourceRoot)}return this.__originalMappings}});SourceMapConsumer.prototype._charIsMappingSeparator=function SourceMapConsumer_charIsMappingSeparator(aStr,index){var c=aStr.charAt(index);return c===";"||c===","};SourceMapConsumer.prototype._parseMappings=function SourceMapConsumer_parseMappings(aStr,aSourceRoot){throw new Error("Subclasses must implement _parseMappings")};SourceMapConsumer.GENERATED_ORDER=1;SourceMapConsumer.ORIGINAL_ORDER=2;SourceMapConsumer.GREATEST_LOWER_BOUND=1;SourceMapConsumer.LEAST_UPPER_BOUND=2;SourceMapConsumer.prototype.eachMapping=function SourceMapConsumer_eachMapping(aCallback,aContext,aOrder){var context=aContext||null;var order=aOrder||SourceMapConsumer.GENERATED_ORDER;var mappings;switch(order){case SourceMapConsumer.GENERATED_ORDER:mappings=this._generatedMappings;break;case SourceMapConsumer.ORIGINAL_ORDER:mappings=this._originalMappings;break;default:throw new Error("Unknown order of iteration.")}var sourceRoot=this.sourceRoot;mappings.map(function(mapping){var source=mapping.source===null?null:this._sources.at(mapping.source);if(source!=null&&sourceRoot!=null){source=util.join(sourceRoot,source)}return{source:source,generatedLine:mapping.generatedLine,
generatedColumn:mapping.generatedColumn,originalLine:mapping.originalLine,originalColumn:mapping.originalColumn,name:mapping.name===null?null:this._names.at(mapping.name)}},this).forEach(aCallback,context)};SourceMapConsumer.prototype.allGeneratedPositionsFor=function SourceMapConsumer_allGeneratedPositionsFor(aArgs){var line=util.getArg(aArgs,"line");var needle={source:util.getArg(aArgs,"source"),originalLine:line,originalColumn:util.getArg(aArgs,"column",0)};if(this.sourceRoot!=null){needle.source=util.relative(this.sourceRoot,needle.source)}if(!this._sources.has(needle.source)){return[]}needle.source=this._sources.indexOf(needle.source);var mappings=[];var index=this._findMapping(needle,this._originalMappings,"originalLine","originalColumn",util.compareByOriginalPositions,binarySearch.LEAST_UPPER_BOUND);if(index>=0){var mapping=this._originalMappings[index];if(aArgs.column===undefined){var originalLine=mapping.originalLine;while(mapping&&mapping.originalLine===originalLine){mappings.push({line:util.getArg(mapping,"generatedLine",null),column:util.getArg(mapping,"generatedColumn",null),lastColumn:util.getArg(mapping,"lastGeneratedColumn",null)});mapping=this._originalMappings[++index]}}else{var originalColumn=mapping.originalColumn;while(mapping&&mapping.originalLine===line&&mapping.originalColumn==originalColumn){mappings.push({line:util.getArg(mapping,"generatedLine",null),column:util.getArg(mapping,"generatedColumn",null),lastColumn:util.getArg(mapping,"lastGeneratedColumn",null)});mapping=this._originalMappings[++index]}}}return mappings};exports.SourceMapConsumer=SourceMapConsumer;function BasicSourceMapConsumer(aSourceMap){var sourceMap=aSourceMap;if(typeof aSourceMap==="string"){sourceMap=JSON.parse(aSourceMap.replace(/^\)\]\}'/,""))}var version=util.getArg(sourceMap,"version");var sources=util.getArg(sourceMap,"sources");var names=util.getArg(sourceMap,"names",[]);var sourceRoot=util.getArg(sourceMap,"sourceRoot",null);var sourcesContent=util.getArg(sourceMap,"sourcesContent",null);var mappings=util.getArg(sourceMap,"mappings");var file=util.getArg(sourceMap,"file",null);if(version!=this._version){throw new Error("Unsupported version: "+version)}sources=sources.map(String).map(util.normalize).map(function(source){return sourceRoot&&util.isAbsolute(sourceRoot)&&util.isAbsolute(source)?util.relative(sourceRoot,source):source});this._names=ArraySet.fromArray(names.map(String),true);this._sources=ArraySet.fromArray(sources,true);this.sourceRoot=sourceRoot;this.sourcesContent=sourcesContent;this._mappings=mappings;this.file=file}BasicSourceMapConsumer.prototype=Object.create(SourceMapConsumer.prototype);BasicSourceMapConsumer.prototype.consumer=SourceMapConsumer;BasicSourceMapConsumer.fromSourceMap=function SourceMapConsumer_fromSourceMap(aSourceMap){var smc=Object.create(BasicSourceMapConsumer.prototype);var names=smc._names=ArraySet.fromArray(aSourceMap._names.toArray(),true);var sources=smc._sources=ArraySet.fromArray(aSourceMap._sources.toArray(),true);smc.sourceRoot=aSourceMap._sourceRoot;smc.sourcesContent=aSourceMap._generateSourcesContent(smc._sources.toArray(),smc.sourceRoot);smc.file=aSourceMap._file;var generatedMappings=aSourceMap._mappings.toArray().slice();var destGeneratedMappings=smc.__generatedMappings=[];var destOriginalMappings=smc.__originalMappings=[];for(var i=0,length=generatedMappings.length;i<length;i++){var srcMapping=generatedMappings[i];var destMapping=new Mapping;destMapping.generatedLine=srcMapping.generatedLine;destMapping.generatedColumn=srcMapping.generatedColumn;if(srcMapping.source){destMapping.source=sources.indexOf(srcMapping.source);destMapping.originalLine=srcMapping.originalLine;destMapping.originalColumn=srcMapping.originalColumn;if(srcMapping.name){destMapping.name=names.indexOf(srcMapping.name)}destOriginalMappings.push(destMapping)}destGeneratedMappings.push(destMapping)}quickSort(smc.__originalMappings,util.compareByOriginalPositions);return smc};BasicSourceMapConsumer.prototype._version=3;Object.defineProperty(BasicSourceMapConsumer.prototype,"sources",{get:function(){return this._sources.toArray().map(function(s){return this.sourceRoot!=null?util.join(this.sourceRoot,s):s},this)}});function Mapping(){this.generatedLine=0;this.generatedColumn=0;this.source=null;this.originalLine=null;this.originalColumn=null;this.name=null}BasicSourceMapConsumer.prototype._parseMappings=function SourceMapConsumer_parseMappings(aStr,aSourceRoot){var generatedLine=1;var previousGeneratedColumn=0;var previousOriginalLine=0;var previousOriginalColumn=0;var previousSource=0;var previousName=0;var length=aStr.length;var index=0;var cachedSegments={};var temp={};var originalMappings=[];var generatedMappings=[];var mapping,str,segment,end,value;while(index<length){if(aStr.charAt(index)===";"){generatedLine++;index++;previousGeneratedColumn=0}else if(aStr.charAt(index)===","){index++}else{mapping=new Mapping;mapping.generatedLine=generatedLine;for(end=index;end<length;end++){if(this._charIsMappingSeparator(aStr,end)){break}}str=aStr.slice(index,end);segment=cachedSegments[str];if(segment){index+=str.length}else{segment=[];while(index<end){base64VLQ.decode(aStr,index,temp);value=temp.value;index=temp.rest;segment.push(value)}if(segment.length===2){throw new Error("Found a source, but no line and column")}if(segment.length===3){throw new Error("Found a source and line, but no column")}cachedSegments[str]=segment}mapping.generatedColumn=previousGeneratedColumn+segment[0];previousGeneratedColumn=mapping.generatedColumn;if(segment.length>1){mapping.source=previousSource+segment[1];previousSource+=segment[1];mapping.originalLine=previousOriginalLine+segment[2];previousOriginalLine=mapping.originalLine;mapping.originalLine+=1;mapping.originalColumn=previousOriginalColumn+segment[3];previousOriginalColumn=mapping.originalColumn;if(segment.length>4){mapping.name=previousName+segment[4];previousName+=segment[4]}}generatedMappings.push(mapping);if(typeof mapping.originalLine==="number"){originalMappings.push(mapping)}}}quickSort(generatedMappings,util.compareByGeneratedPositionsDeflated);this.__generatedMappings=generatedMappings;quickSort(originalMappings,util.compareByOriginalPositions);this.__originalMappings=originalMappings};BasicSourceMapConsumer.prototype._findMapping=function SourceMapConsumer_findMapping(aNeedle,aMappings,aLineName,aColumnName,aComparator,aBias){if(aNeedle[aLineName]<=0){throw new TypeError("Line must be greater than or equal to 1, got "+aNeedle[aLineName])}if(aNeedle[aColumnName]<0){throw new TypeError("Column must be greater than or equal to 0, got "+aNeedle[aColumnName])}return binarySearch.search(aNeedle,aMappings,aComparator,aBias)};BasicSourceMapConsumer.prototype.computeColumnSpans=function SourceMapConsumer_computeColumnSpans(){for(var index=0;index<this._generatedMappings.length;++index){var mapping=this._generatedMappings[index];if(index+1<this._generatedMappings.length){var nextMapping=this._generatedMappings[index+1];if(mapping.generatedLine===nextMapping.generatedLine){mapping.lastGeneratedColumn=nextMapping.generatedColumn-1;continue}}mapping.lastGeneratedColumn=Infinity}};BasicSourceMapConsumer.prototype.originalPositionFor=function SourceMapConsumer_originalPositionFor(aArgs){var needle={generatedLine:util.getArg(aArgs,"line"),generatedColumn:util.getArg(aArgs,"column")};var index=this._findMapping(needle,this._generatedMappings,"generatedLine","generatedColumn",util.compareByGeneratedPositionsDeflated,util.getArg(aArgs,"bias",SourceMapConsumer.GREATEST_LOWER_BOUND));if(index>=0){var mapping=this._generatedMappings[index];if(mapping.generatedLine===needle.generatedLine){var source=util.getArg(mapping,"source",null);if(source!==null){source=this._sources.at(source);if(this.sourceRoot!=null){source=util.join(this.sourceRoot,source)}}var name=util.getArg(mapping,"name",null);if(name!==null){name=this._names.at(name)}return{source:source,line:util.getArg(mapping,"originalLine",null),column:util.getArg(mapping,"originalColumn",null),name:name}}}return{source:null,line:null,column:null,name:null}};BasicSourceMapConsumer.prototype.hasContentsOfAllSources=function BasicSourceMapConsumer_hasContentsOfAllSources(){if(!this.sourcesContent){return false}return this.sourcesContent.length>=this._sources.size()&&!this.sourcesContent.some(function(sc){return sc==null})};BasicSourceMapConsumer.prototype.sourceContentFor=function SourceMapConsumer_sourceContentFor(aSource,nullOnMissing){if(!this.sourcesContent){return null}if(this.sourceRoot!=null){aSource=util.relative(this.sourceRoot,aSource)}if(this._sources.has(aSource)){return this.sourcesContent[this._sources.indexOf(aSource)]}var url;if(this.sourceRoot!=null&&(url=util.urlParse(this.sourceRoot))){var fileUriAbsPath=aSource.replace(/^file:\/\//,"");if(url.scheme=="file"&&this._sources.has(fileUriAbsPath)){return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]}if((!url.path||url.path=="/")&&this._sources.has("/"+aSource)){return this.sourcesContent[this._sources.indexOf("/"+aSource)]}}if(nullOnMissing){return null}else{throw new Error('"'+aSource+'" is not in the SourceMap.')}};BasicSourceMapConsumer.prototype.generatedPositionFor=function SourceMapConsumer_generatedPositionFor(aArgs){var source=util.getArg(aArgs,"source");if(this.sourceRoot!=null){source=util.relative(this.sourceRoot,source)}if(!this._sources.has(source)){return{line:null,column:null,lastColumn:null}}source=this._sources.indexOf(source);var needle={source:source,originalLine:util.getArg(aArgs,"line"),originalColumn:util.getArg(aArgs,"column")};var index=this._findMapping(needle,this._originalMappings,"originalLine","originalColumn",util.compareByOriginalPositions,util.getArg(aArgs,"bias",SourceMapConsumer.GREATEST_LOWER_BOUND));if(index>=0){var mapping=this._originalMappings[index];if(mapping.source===needle.source){return{line:util.getArg(mapping,"generatedLine",null),column:util.getArg(mapping,"generatedColumn",null),lastColumn:util.getArg(mapping,"lastGeneratedColumn",null)}}}return{line:null,column:null,lastColumn:null}};exports.BasicSourceMapConsumer=BasicSourceMapConsumer;function IndexedSourceMapConsumer(aSourceMap){var sourceMap=aSourceMap;if(typeof aSourceMap==="string"){sourceMap=JSON.parse(aSourceMap.replace(/^\)\]\}'/,""))}var version=util.getArg(sourceMap,"version");var sections=util.getArg(sourceMap,"sections");if(version!=this._version){throw new Error("Unsupported version: "+version)}this._sources=new ArraySet;this._names=new ArraySet;var lastOffset={line:-1,column:0};this._sections=sections.map(function(s){if(s.url){throw new Error("Support for url field in sections not implemented.")}var offset=util.getArg(s,"offset");var offsetLine=util.getArg(offset,"line");var offsetColumn=util.getArg(offset,"column");if(offsetLine<lastOffset.line||offsetLine===lastOffset.line&&offsetColumn<lastOffset.column){throw new Error("Section offsets must be ordered and non-overlapping.")}lastOffset=offset;return{generatedOffset:{generatedLine:offsetLine+1,generatedColumn:offsetColumn+1},consumer:new SourceMapConsumer(util.getArg(s,"map"))}})}IndexedSourceMapConsumer.prototype=Object.create(SourceMapConsumer.prototype);IndexedSourceMapConsumer.prototype.constructor=SourceMapConsumer;IndexedSourceMapConsumer.prototype._version=3;Object.defineProperty(IndexedSourceMapConsumer.prototype,"sources",{get:function(){var sources=[];for(var i=0;i<this._sections.length;i++){for(var j=0;j<this._sections[i].consumer.sources.length;j++){sources.push(this._sections[i].consumer.sources[j])}}return sources}});IndexedSourceMapConsumer.prototype.originalPositionFor=function IndexedSourceMapConsumer_originalPositionFor(aArgs){var needle={generatedLine:util.getArg(aArgs,"line"),generatedColumn:util.getArg(aArgs,"column")};var sectionIndex=binarySearch.search(needle,this._sections,function(needle,section){var cmp=needle.generatedLine-section.generatedOffset.generatedLine;if(cmp){return cmp}return needle.generatedColumn-section.generatedOffset.generatedColumn});var section=this._sections[sectionIndex];if(!section){return{source:null,line:null,column:null,name:null}}return section.consumer.originalPositionFor({line:needle.generatedLine-(section.generatedOffset.generatedLine-1),column:needle.generatedColumn-(section.generatedOffset.generatedLine===needle.generatedLine?section.generatedOffset.generatedColumn-1:0),bias:aArgs.bias})};IndexedSourceMapConsumer.prototype.hasContentsOfAllSources=function IndexedSourceMapConsumer_hasContentsOfAllSources(){return this._sections.every(function(s){return s.consumer.hasContentsOfAllSources()})};IndexedSourceMapConsumer.prototype.sourceContentFor=function IndexedSourceMapConsumer_sourceContentFor(aSource,nullOnMissing){for(var i=0;i<this._sections.length;i++){var section=this._sections[i];var content=section.consumer.sourceContentFor(aSource,true);if(content){return content}}if(nullOnMissing){return null}else{throw new Error('"'+aSource+'" is not in the SourceMap.')}};IndexedSourceMapConsumer.prototype.generatedPositionFor=function IndexedSourceMapConsumer_generatedPositionFor(aArgs){for(var i=0;i<this._sections.length;i++){var section=this._sections[i];if(section.consumer.sources.indexOf(util.getArg(aArgs,"source"))===-1){continue}var generatedPosition=section.consumer.generatedPositionFor(aArgs);if(generatedPosition){var ret={line:generatedPosition.line+(section.generatedOffset.generatedLine-1),column:generatedPosition.column+(section.generatedOffset.generatedLine===generatedPosition.line?section.generatedOffset.generatedColumn-1:0)};return ret}}return{line:null,column:null}};IndexedSourceMapConsumer.prototype._parseMappings=function IndexedSourceMapConsumer_parseMappings(aStr,aSourceRoot){this.__generatedMappings=[];this.__originalMappings=[];for(var i=0;i<this._sections.length;i++){var section=this._sections[i];var sectionMappings=section.consumer._generatedMappings;for(var j=0;j<sectionMappings.length;j++){var mapping=sectionMappings[j];var source=section.consumer._sources.at(mapping.source);if(section.consumer.sourceRoot!==null){source=util.join(section.consumer.sourceRoot,source)}this._sources.add(source);source=this._sources.indexOf(source);var name=section.consumer._names.at(mapping.name);this._names.add(name);name=this._names.indexOf(name);var adjustedMapping={source:source,generatedLine:mapping.generatedLine+(section.generatedOffset.generatedLine-1),generatedColumn:mapping.generatedColumn+(section.generatedOffset.generatedLine===mapping.generatedLine?section.generatedOffset.generatedColumn-1:0),originalLine:mapping.originalLine,originalColumn:mapping.originalColumn,name:name};this.__generatedMappings.push(adjustedMapping);if(typeof adjustedMapping.originalLine==="number"){this.__originalMappings.push(adjustedMapping)}}}quickSort(this.__generatedMappings,util.compareByGeneratedPositionsDeflated);quickSort(this.__originalMappings,util.compareByOriginalPositions)};exports.IndexedSourceMapConsumer=IndexedSourceMapConsumer},{"./array-set":111,"./base64-vlq":112,"./binary-search":114,"./quick-sort":116,"./util":120}],118:[function(require,module,exports){var base64VLQ=require("./base64-vlq");var util=require("./util");var ArraySet=require("./array-set").ArraySet;var MappingList=require("./mapping-list").MappingList;function SourceMapGenerator(aArgs){if(!aArgs){aArgs={}}this._file=util.getArg(aArgs,"file",null);this._sourceRoot=util.getArg(aArgs,"sourceRoot",null);this._skipValidation=util.getArg(aArgs,"skipValidation",false);this._sources=new ArraySet;this._names=new ArraySet;this._mappings=new MappingList;this._sourcesContents=null}SourceMapGenerator.prototype._version=3;SourceMapGenerator.fromSourceMap=function SourceMapGenerator_fromSourceMap(aSourceMapConsumer){var sourceRoot=aSourceMapConsumer.sourceRoot;var generator=new SourceMapGenerator({file:aSourceMapConsumer.file,sourceRoot:sourceRoot});aSourceMapConsumer.eachMapping(function(mapping){var newMapping={generated:{line:mapping.generatedLine,column:mapping.generatedColumn}};if(mapping.source!=null){newMapping.source=mapping.source;if(sourceRoot!=null){newMapping.source=util.relative(sourceRoot,newMapping.source)}newMapping.original={line:mapping.originalLine,column:mapping.originalColumn};if(mapping.name!=null){newMapping.name=mapping.name}}generator.addMapping(newMapping)});aSourceMapConsumer.sources.forEach(function(sourceFile){var content=aSourceMapConsumer.sourceContentFor(sourceFile);if(content!=null){generator.setSourceContent(sourceFile,content)}});return generator};SourceMapGenerator.prototype.addMapping=function SourceMapGenerator_addMapping(aArgs){var generated=util.getArg(aArgs,"generated");var original=util.getArg(aArgs,"original",null);var source=util.getArg(aArgs,"source",null);var name=util.getArg(aArgs,"name",null);if(!this._skipValidation){this._validateMapping(generated,original,source,name)}if(source!=null){source=String(source);if(!this._sources.has(source)){this._sources.add(source)}}if(name!=null){name=String(name);if(!this._names.has(name)){this._names.add(name)}}this._mappings.add({generatedLine:generated.line,generatedColumn:generated.column,originalLine:original!=null&&original.line,originalColumn:original!=null&&original.column,source:source,name:name})};SourceMapGenerator.prototype.setSourceContent=function SourceMapGenerator_setSourceContent(aSourceFile,aSourceContent){var source=aSourceFile;if(this._sourceRoot!=null){source=util.relative(this._sourceRoot,source)}if(aSourceContent!=null){if(!this._sourcesContents){this._sourcesContents=Object.create(null)}this._sourcesContents[util.toSetString(source)]=aSourceContent}else if(this._sourcesContents){delete this._sourcesContents[util.toSetString(source)];if(Object.keys(this._sourcesContents).length===0){this._sourcesContents=null}}};SourceMapGenerator.prototype.applySourceMap=function SourceMapGenerator_applySourceMap(aSourceMapConsumer,aSourceFile,aSourceMapPath){var sourceFile=aSourceFile;if(aSourceFile==null){if(aSourceMapConsumer.file==null){throw new Error("SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, "+'or the source map\'s "file" property. Both were omitted.')}sourceFile=aSourceMapConsumer.file}var sourceRoot=this._sourceRoot;if(sourceRoot!=null){sourceFile=util.relative(sourceRoot,sourceFile)}var newSources=new ArraySet;var newNames=new ArraySet;this._mappings.unsortedForEach(function(mapping){if(mapping.source===sourceFile&&mapping.originalLine!=null){var original=aSourceMapConsumer.originalPositionFor({line:mapping.originalLine,column:mapping.originalColumn});if(original.source!=null){mapping.source=original.source;if(aSourceMapPath!=null){mapping.source=util.join(aSourceMapPath,mapping.source)}if(sourceRoot!=null){mapping.source=util.relative(sourceRoot,mapping.source)}mapping.originalLine=original.line;mapping.originalColumn=original.column;if(original.name!=null){mapping.name=original.name}}}var source=mapping.source;if(source!=null&&!newSources.has(source)){newSources.add(source)}var name=mapping.name;if(name!=null&&!newNames.has(name)){newNames.add(name)}},this);this._sources=newSources;this._names=newNames;aSourceMapConsumer.sources.forEach(function(sourceFile){var content=aSourceMapConsumer.sourceContentFor(sourceFile);if(content!=null){if(aSourceMapPath!=null){sourceFile=util.join(aSourceMapPath,sourceFile)}if(sourceRoot!=null){sourceFile=util.relative(sourceRoot,sourceFile)}this.setSourceContent(sourceFile,content)}},this)};SourceMapGenerator.prototype._validateMapping=function SourceMapGenerator_validateMapping(aGenerated,aOriginal,aSource,aName){if(aOriginal&&typeof aOriginal.line!=="number"&&typeof aOriginal.column!=="number"){throw new Error("original.line and original.column are not numbers -- you probably meant to omit "+"the original mapping entirely and only map the generated position. If so, pass "+"null for the original mapping instead of an object with empty or null values.")}if(aGenerated&&"line"in aGenerated&&"column"in aGenerated&&aGenerated.line>0&&aGenerated.column>=0&&!aOriginal&&!aSource&&!aName){return}else if(aGenerated&&"line"in aGenerated&&"column"in aGenerated&&aOriginal&&"line"in aOriginal&&"column"in aOriginal&&aGenerated.line>0&&aGenerated.column>=0&&aOriginal.line>0&&aOriginal.column>=0&&aSource){return}else{throw new Error("Invalid mapping: "+JSON.stringify({generated:aGenerated,source:aSource,original:aOriginal,name:aName}))}};SourceMapGenerator.prototype._serializeMappings=function SourceMapGenerator_serializeMappings(){var previousGeneratedColumn=0;var previousGeneratedLine=1;var previousOriginalColumn=0;var previousOriginalLine=0;var previousName=0;var previousSource=0;var result="";var next;var mapping;var nameIdx;var sourceIdx;var mappings=this._mappings.toArray();for(var i=0,len=mappings.length;i<len;i++){mapping=mappings[i];next="";if(mapping.generatedLine!==previousGeneratedLine){previousGeneratedColumn=0;while(mapping.generatedLine!==previousGeneratedLine){next+=";";previousGeneratedLine++}}else{if(i>0){if(!util.compareByGeneratedPositionsInflated(mapping,mappings[i-1])){continue}next+=","}}next+=base64VLQ.encode(mapping.generatedColumn-previousGeneratedColumn);previousGeneratedColumn=mapping.generatedColumn;if(mapping.source!=null){sourceIdx=this._sources.indexOf(mapping.source);next+=base64VLQ.encode(sourceIdx-previousSource);previousSource=sourceIdx;next+=base64VLQ.encode(mapping.originalLine-1-previousOriginalLine);previousOriginalLine=mapping.originalLine-1;next+=base64VLQ.encode(mapping.originalColumn-previousOriginalColumn);previousOriginalColumn=mapping.originalColumn;if(mapping.name!=null){nameIdx=this._names.indexOf(mapping.name);next+=base64VLQ.encode(nameIdx-previousName);previousName=nameIdx}}result+=next}return result};SourceMapGenerator.prototype._generateSourcesContent=function SourceMapGenerator_generateSourcesContent(aSources,aSourceRoot){return aSources.map(function(source){if(!this._sourcesContents){return null}if(aSourceRoot!=null){source=util.relative(aSourceRoot,source)}var key=util.toSetString(source);return Object.prototype.hasOwnProperty.call(this._sourcesContents,key)?this._sourcesContents[key]:null},this)};SourceMapGenerator.prototype.toJSON=function SourceMapGenerator_toJSON(){var map={version:this._version,sources:this._sources.toArray(),names:this._names.toArray(),mappings:this._serializeMappings()};if(this._file!=null){map.file=this._file}if(this._sourceRoot!=null){map.sourceRoot=this._sourceRoot}if(this._sourcesContents){map.sourcesContent=this._generateSourcesContent(map.sources,map.sourceRoot)}return map};SourceMapGenerator.prototype.toString=function SourceMapGenerator_toString(){return JSON.stringify(this.toJSON())};exports.SourceMapGenerator=SourceMapGenerator},{"./array-set":111,"./base64-vlq":112,"./mapping-list":115,"./util":120}],119:[function(require,module,exports){var SourceMapGenerator=require("./source-map-generator").SourceMapGenerator;var util=require("./util");var REGEX_NEWLINE=/(\r?\n)/;var NEWLINE_CODE=10;var isSourceNode="$$$isSourceNode$$$";function SourceNode(aLine,aColumn,aSource,aChunks,aName){this.children=[];this.sourceContents={};this.line=aLine==null?null:aLine;this.column=aColumn==null?null:aColumn;this.source=aSource==null?null:aSource;this.name=aName==null?null:aName;this[isSourceNode]=true;if(aChunks!=null)this.add(aChunks)}SourceNode.fromStringWithSourceMap=function SourceNode_fromStringWithSourceMap(aGeneratedCode,aSourceMapConsumer,aRelativePath){var node=new SourceNode;var remainingLines=aGeneratedCode.split(REGEX_NEWLINE);var remainingLinesIndex=0;var shiftNextLine=function(){var lineContents=getNextLine();var newLine=getNextLine()||"";return lineContents+newLine;function getNextLine(){return remainingLinesIndex<remainingLines.length?remainingLines[remainingLinesIndex++]:undefined}};var lastGeneratedLine=1,lastGeneratedColumn=0;var lastMapping=null;aSourceMapConsumer.eachMapping(function(mapping){if(lastMapping!==null){if(lastGeneratedLine<mapping.generatedLine){addMappingWithCode(lastMapping,shiftNextLine());lastGeneratedLine++;lastGeneratedColumn=0}else{var nextLine=remainingLines[remainingLinesIndex];var code=nextLine.substr(0,mapping.generatedColumn-lastGeneratedColumn);remainingLines[remainingLinesIndex]=nextLine.substr(mapping.generatedColumn-lastGeneratedColumn);lastGeneratedColumn=mapping.generatedColumn;addMappingWithCode(lastMapping,code);lastMapping=mapping;return}}while(lastGeneratedLine<mapping.generatedLine){node.add(shiftNextLine());lastGeneratedLine++}if(lastGeneratedColumn<mapping.generatedColumn){var nextLine=remainingLines[remainingLinesIndex];node.add(nextLine.substr(0,mapping.generatedColumn));remainingLines[remainingLinesIndex]=nextLine.substr(mapping.generatedColumn);lastGeneratedColumn=mapping.generatedColumn}lastMapping=mapping},this);if(remainingLinesIndex<remainingLines.length){if(lastMapping){addMappingWithCode(lastMapping,shiftNextLine())}node.add(remainingLines.splice(remainingLinesIndex).join(""))}aSourceMapConsumer.sources.forEach(function(sourceFile){var content=aSourceMapConsumer.sourceContentFor(sourceFile);if(content!=null){if(aRelativePath!=null){sourceFile=util.join(aRelativePath,sourceFile)}node.setSourceContent(sourceFile,content)}});return node;function addMappingWithCode(mapping,code){if(mapping===null||mapping.source===undefined){node.add(code)}else{var source=aRelativePath?util.join(aRelativePath,mapping.source):mapping.source;node.add(new SourceNode(mapping.originalLine,mapping.originalColumn,source,code,mapping.name))}}};SourceNode.prototype.add=function SourceNode_add(aChunk){if(Array.isArray(aChunk)){aChunk.forEach(function(chunk){this.add(chunk)},this)}else if(aChunk[isSourceNode]||typeof aChunk==="string"){if(aChunk){this.children.push(aChunk)}}else{throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+aChunk)}return this};SourceNode.prototype.prepend=function SourceNode_prepend(aChunk){if(Array.isArray(aChunk)){for(var i=aChunk.length-1;i>=0;i--){this.prepend(aChunk[i])}}else if(aChunk[isSourceNode]||typeof aChunk==="string"){this.children.unshift(aChunk)}else{throw new TypeError("Expected a SourceNode, string, or an array of SourceNodes and strings. Got "+aChunk)}return this};SourceNode.prototype.walk=function SourceNode_walk(aFn){var chunk;for(var i=0,len=this.children.length;i<len;i++){chunk=this.children[i];if(chunk[isSourceNode]){chunk.walk(aFn)}else{if(chunk!==""){aFn(chunk,{source:this.source,line:this.line,column:this.column,name:this.name})}}}};SourceNode.prototype.join=function SourceNode_join(aSep){var newChildren;var i;var len=this.children.length;if(len>0){newChildren=[];for(i=0;i<len-1;i++){newChildren.push(this.children[i]);newChildren.push(aSep)}newChildren.push(this.children[i]);this.children=newChildren}return this};SourceNode.prototype.replaceRight=function SourceNode_replaceRight(aPattern,aReplacement){var lastChild=this.children[this.children.length-1];if(lastChild[isSourceNode]){lastChild.replaceRight(aPattern,aReplacement)}else if(typeof lastChild==="string"){this.children[this.children.length-1]=lastChild.replace(aPattern,aReplacement)}else{this.children.push("".replace(aPattern,aReplacement))}return this};SourceNode.prototype.setSourceContent=function SourceNode_setSourceContent(aSourceFile,aSourceContent){this.sourceContents[util.toSetString(aSourceFile)]=aSourceContent};SourceNode.prototype.walkSourceContents=function SourceNode_walkSourceContents(aFn){for(var i=0,len=this.children.length;i<len;i++){if(this.children[i][isSourceNode]){this.children[i].walkSourceContents(aFn)}}var sources=Object.keys(this.sourceContents);for(var i=0,len=sources.length;i<len;i++){aFn(util.fromSetString(sources[i]),this.sourceContents[sources[i]])}};SourceNode.prototype.toString=function SourceNode_toString(){var str="";this.walk(function(chunk){str+=chunk});return str};SourceNode.prototype.toStringWithSourceMap=function SourceNode_toStringWithSourceMap(aArgs){var generated={code:"",line:1,column:0};var map=new SourceMapGenerator(aArgs);var sourceMappingActive=false;var lastOriginalSource=null;var lastOriginalLine=null;var lastOriginalColumn=null;var lastOriginalName=null;this.walk(function(chunk,original){generated.code+=chunk;if(original.source!==null&&original.line!==null&&original.column!==null){if(lastOriginalSource!==original.source||lastOriginalLine!==original.line||lastOriginalColumn!==original.column||lastOriginalName!==original.name){map.addMapping({source:original.source,original:{line:original.line,column:original.column},generated:{line:generated.line,column:generated.column},name:original.name})}lastOriginalSource=original.source;lastOriginalLine=original.line;lastOriginalColumn=original.column;lastOriginalName=original.name;sourceMappingActive=true}else if(sourceMappingActive){map.addMapping({generated:{line:generated.line,column:generated.column}});lastOriginalSource=null;sourceMappingActive=false}for(var idx=0,length=chunk.length;idx<length;idx++){if(chunk.charCodeAt(idx)===NEWLINE_CODE){generated.line++;generated.column=0;if(idx+1===length){lastOriginalSource=null;sourceMappingActive=false}else if(sourceMappingActive){map.addMapping({source:original.source,original:{line:original.line,column:original.column},generated:{line:generated.line,column:generated.column},name:original.name})}}else{generated.column++}}});this.walkSourceContents(function(sourceFile,sourceContent){map.setSourceContent(sourceFile,sourceContent)});return{code:generated.code,map:map}};exports.SourceNode=SourceNode},{"./source-map-generator":118,"./util":120}],120:[function(require,module,exports){function getArg(aArgs,aName,aDefaultValue){if(aName in aArgs){return aArgs[aName]}else if(arguments.length===3){return aDefaultValue}else{throw new Error('"'+aName+'" is a required argument.')}}exports.getArg=getArg;var urlRegexp=/^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;var dataUrlRegexp=/^data:.+\,.+$/;function urlParse(aUrl){var match=aUrl.match(urlRegexp);if(!match){return null}return{scheme:match[1],auth:match[2],host:match[3],port:match[4],path:match[5]}}exports.urlParse=urlParse;function urlGenerate(aParsedUrl){var url="";if(aParsedUrl.scheme){url+=aParsedUrl.scheme+":"}url+="//";if(aParsedUrl.auth){url+=aParsedUrl.auth+"@"}if(aParsedUrl.host){url+=aParsedUrl.host}if(aParsedUrl.port){url+=":"+aParsedUrl.port}if(aParsedUrl.path){url+=aParsedUrl.path}return url}exports.urlGenerate=urlGenerate;function normalize(aPath){var path=aPath;var url=urlParse(aPath);if(url){if(!url.path){return aPath}path=url.path}var isAbsolute=exports.isAbsolute(path);var parts=path.split(/\/+/);for(var part,up=0,i=parts.length-1;i>=0;i--){part=parts[i];if(part==="."){parts.splice(i,1)}else if(part===".."){up++}else if(up>0){if(part===""){parts.splice(i+1,up);up=0}else{parts.splice(i,2);up--}}}path=parts.join("/");if(path===""){path=isAbsolute?"/":"."}if(url){url.path=path;return urlGenerate(url)}return path}exports.normalize=normalize;function join(aRoot,aPath){if(aRoot===""){aRoot="."}if(aPath===""){aPath="."}var aPathUrl=urlParse(aPath);var aRootUrl=urlParse(aRoot);if(aRootUrl){aRoot=aRootUrl.path||"/"}if(aPathUrl&&!aPathUrl.scheme){if(aRootUrl){aPathUrl.scheme=aRootUrl.scheme}return urlGenerate(aPathUrl)}if(aPathUrl||aPath.match(dataUrlRegexp)){return aPath}if(aRootUrl&&!aRootUrl.host&&!aRootUrl.path){aRootUrl.host=aPath;return urlGenerate(aRootUrl)}var joined=aPath.charAt(0)==="/"?aPath:normalize(aRoot.replace(/\/+$/,"")+"/"+aPath);if(aRootUrl){aRootUrl.path=joined;return urlGenerate(aRootUrl)}return joined}exports.join=join;exports.isAbsolute=function(aPath){return aPath.charAt(0)==="/"||!!aPath.match(urlRegexp)};function relative(aRoot,aPath){if(aRoot===""){aRoot="."}aRoot=aRoot.replace(/\/$/,"");var level=0;while(aPath.indexOf(aRoot+"/")!==0){var index=aRoot.lastIndexOf("/");if(index<0){return aPath}aRoot=aRoot.slice(0,index);if(aRoot.match(/^([^\/]+:\/)?\/*$/)){return aPath}++level}
return Array(level+1).join("../")+aPath.substr(aRoot.length+1)}exports.relative=relative;var supportsNullProto=function(){var obj=Object.create(null);return!("__proto__"in obj)}();function identity(s){return s}function toSetString(aStr){if(isProtoString(aStr)){return"$"+aStr}return aStr}exports.toSetString=supportsNullProto?identity:toSetString;function fromSetString(aStr){if(isProtoString(aStr)){return aStr.slice(1)}return aStr}exports.fromSetString=supportsNullProto?identity:fromSetString;function isProtoString(s){if(!s){return false}var length=s.length;if(length<9){return false}if(s.charCodeAt(length-1)!==95||s.charCodeAt(length-2)!==95||s.charCodeAt(length-3)!==111||s.charCodeAt(length-4)!==116||s.charCodeAt(length-5)!==111||s.charCodeAt(length-6)!==114||s.charCodeAt(length-7)!==112||s.charCodeAt(length-8)!==95||s.charCodeAt(length-9)!==95){return false}for(var i=length-10;i>=0;i--){if(s.charCodeAt(i)!==36){return false}}return true}function compareByOriginalPositions(mappingA,mappingB,onlyCompareOriginal){var cmp=mappingA.source-mappingB.source;if(cmp!==0){return cmp}cmp=mappingA.originalLine-mappingB.originalLine;if(cmp!==0){return cmp}cmp=mappingA.originalColumn-mappingB.originalColumn;if(cmp!==0||onlyCompareOriginal){return cmp}cmp=mappingA.generatedColumn-mappingB.generatedColumn;if(cmp!==0){return cmp}cmp=mappingA.generatedLine-mappingB.generatedLine;if(cmp!==0){return cmp}return mappingA.name-mappingB.name}exports.compareByOriginalPositions=compareByOriginalPositions;function compareByGeneratedPositionsDeflated(mappingA,mappingB,onlyCompareGenerated){var cmp=mappingA.generatedLine-mappingB.generatedLine;if(cmp!==0){return cmp}cmp=mappingA.generatedColumn-mappingB.generatedColumn;if(cmp!==0||onlyCompareGenerated){return cmp}cmp=mappingA.source-mappingB.source;if(cmp!==0){return cmp}cmp=mappingA.originalLine-mappingB.originalLine;if(cmp!==0){return cmp}cmp=mappingA.originalColumn-mappingB.originalColumn;if(cmp!==0){return cmp}return mappingA.name-mappingB.name}exports.compareByGeneratedPositionsDeflated=compareByGeneratedPositionsDeflated;function strcmp(aStr1,aStr2){if(aStr1===aStr2){return 0}if(aStr1>aStr2){return 1}return-1}function compareByGeneratedPositionsInflated(mappingA,mappingB){var cmp=mappingA.generatedLine-mappingB.generatedLine;if(cmp!==0){return cmp}cmp=mappingA.generatedColumn-mappingB.generatedColumn;if(cmp!==0){return cmp}cmp=strcmp(mappingA.source,mappingB.source);if(cmp!==0){return cmp}cmp=mappingA.originalLine-mappingB.originalLine;if(cmp!==0){return cmp}cmp=mappingA.originalColumn-mappingB.originalColumn;if(cmp!==0){return cmp}return strcmp(mappingA.name,mappingB.name)}exports.compareByGeneratedPositionsInflated=compareByGeneratedPositionsInflated},{}],121:[function(require,module,exports){exports.SourceMapGenerator=require("./lib/source-map-generator").SourceMapGenerator;exports.SourceMapConsumer=require("./lib/source-map-consumer").SourceMapConsumer;exports.SourceNode=require("./lib/source-node").SourceNode},{"./lib/source-map-consumer":117,"./lib/source-map-generator":118,"./lib/source-node":119}]},{},[9])(9)});

	return csstree;

})();