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529 lines
11 KiB
529 lines
11 KiB
var functionNoVendorRegexStr = '[A-Z]+(\\-|[A-Z]|[0-9])+\\(.*?\\)';
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var functionVendorRegexStr = '\\-(\\-|[A-Z]|[0-9])+\\(.*?\\)';
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var variableRegexStr = 'var\\(\\-\\-[^\\)]+\\)';
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var functionAnyRegexStr = '(' + variableRegexStr + '|' + functionNoVendorRegexStr + '|' + functionVendorRegexStr + ')';
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var calcRegex = new RegExp('^(\\-moz\\-|\\-webkit\\-)?calc\\([^\\)]+\\)$', 'i');
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var decimalRegex = /[0-9]/;
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var functionAnyRegex = new RegExp('^' + functionAnyRegexStr + '$', 'i');
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var hslColorRegex = /^hsl\(\s{0,31}[\-\.]?\d+\s{0,31},\s{0,31}\.?\d+%\s{0,31},\s{0,31}\.?\d+%\s{0,31}\)|hsla\(\s{0,31}[\-\.]?\d+\s{0,31},\s{0,31}\.?\d+%\s{0,31},\s{0,31}\.?\d+%\s{0,31},\s{0,31}\.?\d+\s{0,31}\)$/;
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var identifierRegex = /^(\-[a-z0-9_][a-z0-9\-_]*|[a-z][a-z0-9\-_]*)$/i;
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var namedEntityRegex = /^[a-z]+$/i;
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var prefixRegex = /^-([a-z0-9]|-)*$/i;
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var rgbColorRegex = /^rgb\(\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31}\)|rgba\(\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\.\d]+\s{0,31}\)$/;
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var timingFunctionRegex = /^(cubic\-bezier|steps)\([^\)]+\)$/;
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var validTimeUnits = ['ms', 's'];
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var urlRegex = /^url\([\s\S]+\)$/i;
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var variableRegex = new RegExp('^' + variableRegexStr + '$', 'i');
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var eightValueColorRegex = /^#[0-9a-f]{8}$/i;
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var fourValueColorRegex = /^#[0-9a-f]{4}$/i;
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var sixValueColorRegex = /^#[0-9a-f]{6}$/i;
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var threeValueColorRegex = /^#[0-9a-f]{3}$/i;
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var DECIMAL_DOT = '.';
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var MINUS_SIGN = '-';
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var PLUS_SIGN = '+';
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var Keywords = {
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'^': [
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'inherit',
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'initial',
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'unset'
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],
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'*-style': [
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'auto',
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'dashed',
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'dotted',
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'double',
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'groove',
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'hidden',
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'inset',
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'none',
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'outset',
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'ridge',
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'solid'
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],
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'*-timing-function': [
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'ease',
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'ease-in',
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'ease-in-out',
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'ease-out',
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'linear',
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'step-end',
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'step-start'
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],
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'animation-direction': [
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'alternate',
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'alternate-reverse',
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'normal',
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'reverse'
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],
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'animation-fill-mode': [
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'backwards',
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'both',
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'forwards',
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'none'
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],
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'animation-iteration-count': [
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'infinite'
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],
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'animation-name': [
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'none'
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],
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'animation-play-state': [
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'paused',
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'running'
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],
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'background-attachment': [
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'fixed',
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'inherit',
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'local',
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'scroll'
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],
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'background-clip': [
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'border-box',
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'content-box',
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'inherit',
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'padding-box',
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'text'
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],
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'background-origin': [
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'border-box',
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'content-box',
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'inherit',
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'padding-box'
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],
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'background-position': [
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'bottom',
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'center',
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'left',
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'right',
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'top'
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],
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'background-repeat': [
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'no-repeat',
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'inherit',
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'repeat',
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'repeat-x',
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'repeat-y',
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'round',
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'space'
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],
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'background-size': [
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'auto',
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'cover',
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'contain'
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],
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'border-collapse': [
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'collapse',
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'inherit',
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'separate'
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],
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'bottom': [
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'auto'
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],
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'clear': [
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'both',
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'left',
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'none',
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'right'
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],
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'color': [
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'transparent'
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],
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'cursor': [
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'all-scroll',
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'auto',
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'col-resize',
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'crosshair',
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'default',
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'e-resize',
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'help',
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'move',
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'n-resize',
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'ne-resize',
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'no-drop',
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'not-allowed',
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'nw-resize',
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'pointer',
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'progress',
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'row-resize',
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's-resize',
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'se-resize',
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'sw-resize',
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'text',
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'vertical-text',
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'w-resize',
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'wait'
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],
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'display': [
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'block',
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'inline',
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'inline-block',
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'inline-table',
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'list-item',
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'none',
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'table',
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'table-caption',
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'table-cell',
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'table-column',
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'table-column-group',
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'table-footer-group',
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'table-header-group',
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'table-row',
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'table-row-group'
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],
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'float': [
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'left',
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'none',
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'right'
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],
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'left': [
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'auto'
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],
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'font': [
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'caption',
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'icon',
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'menu',
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'message-box',
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'small-caption',
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'status-bar',
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'unset'
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],
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'font-size': [
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'large',
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'larger',
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'medium',
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'small',
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'smaller',
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'x-large',
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'x-small',
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'xx-large',
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'xx-small'
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],
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'font-stretch': [
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'condensed',
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'expanded',
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'extra-condensed',
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'extra-expanded',
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'normal',
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'semi-condensed',
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'semi-expanded',
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'ultra-condensed',
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'ultra-expanded'
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],
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'font-style': [
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'italic',
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'normal',
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'oblique'
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],
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'font-variant': [
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'normal',
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'small-caps'
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],
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'font-weight': [
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'100',
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'200',
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'300',
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'400',
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'500',
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'600',
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'700',
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'800',
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'900',
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'bold',
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'bolder',
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'lighter',
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'normal'
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],
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'line-height': [
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'normal'
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],
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'list-style-position': [
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'inside',
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'outside'
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],
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'list-style-type': [
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'armenian',
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'circle',
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'decimal',
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'decimal-leading-zero',
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'disc',
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'decimal|disc', // this is the default value of list-style-type, see comment in compactable.js
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'georgian',
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'lower-alpha',
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'lower-greek',
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'lower-latin',
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'lower-roman',
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'none',
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'square',
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'upper-alpha',
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'upper-latin',
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'upper-roman'
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],
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'overflow': [
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'auto',
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'hidden',
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'scroll',
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'visible'
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],
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'position': [
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'absolute',
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'fixed',
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'relative',
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'static'
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],
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'right': [
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'auto'
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],
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'text-align': [
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'center',
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'justify',
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'left',
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'left|right', // this is the default value of list-style-type, see comment in compactable.js
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'right'
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],
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'text-decoration': [
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'line-through',
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'none',
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'overline',
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'underline'
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],
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'text-overflow': [
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'clip',
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'ellipsis'
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],
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'top': [
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'auto'
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],
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'vertical-align': [
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'baseline',
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'bottom',
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'middle',
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'sub',
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'super',
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'text-bottom',
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'text-top',
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'top'
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],
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'visibility': [
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'collapse',
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'hidden',
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'visible'
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],
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'white-space': [
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'normal',
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'nowrap',
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'pre'
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],
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'width': [
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'inherit',
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'initial',
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'medium',
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'thick',
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'thin'
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]
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};
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var Units = [
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'%',
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'ch',
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'cm',
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'em',
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'ex',
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'in',
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'mm',
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'pc',
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'pt',
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'px',
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'rem',
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'vh',
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'vm',
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'vmax',
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'vmin',
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'vw'
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];
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function isColor(value) {
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return value != 'auto' &&
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(
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isKeyword('color')(value) ||
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isHexColor(value) ||
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isColorFunction(value) ||
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isNamedEntity(value)
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);
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}
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function isColorFunction(value) {
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return isRgbColor(value) || isHslColor(value);
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}
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function isDynamicUnit(value) {
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return calcRegex.test(value);
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}
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function isFunction(value) {
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return functionAnyRegex.test(value);
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}
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function isHexColor(value) {
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return threeValueColorRegex.test(value) || fourValueColorRegex.test(value) || sixValueColorRegex.test(value) || eightValueColorRegex.test(value);
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}
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function isHslColor(value) {
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return hslColorRegex.test(value);
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}
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function isIdentifier(value) {
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return identifierRegex.test(value);
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}
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function isImage(value) {
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return value == 'none' || value == 'inherit' || isUrl(value);
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}
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function isKeyword(propertyName) {
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return function(value) {
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return Keywords[propertyName].indexOf(value) > -1;
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};
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}
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function isNamedEntity(value) {
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return namedEntityRegex.test(value);
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}
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function isNumber(value) {
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return scanForNumber(value) == value.length;
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}
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function isRgbColor(value) {
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return rgbColorRegex.test(value);
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}
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function isPrefixed(value) {
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return prefixRegex.test(value);
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}
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function isPositiveNumber(value) {
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return isNumber(value) &&
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parseFloat(value) >= 0;
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}
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function isVariable(value) {
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return variableRegex.test(value);
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}
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function isTime(value) {
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var numberUpTo = scanForNumber(value);
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return numberUpTo == value.length && parseInt(value) === 0 ||
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numberUpTo > -1 && validTimeUnits.indexOf(value.slice(numberUpTo + 1)) > -1;
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}
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function isTimingFunction() {
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var isTimingFunctionKeyword = isKeyword('*-timing-function');
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return function (value) {
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return isTimingFunctionKeyword(value) || timingFunctionRegex.test(value);
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};
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}
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function isUnit(validUnits, value) {
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var numberUpTo = scanForNumber(value);
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return numberUpTo == value.length && parseInt(value) === 0 ||
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numberUpTo > -1 && validUnits.indexOf(value.slice(numberUpTo + 1)) > -1 ||
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value == 'auto' ||
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value == 'inherit';
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}
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function isUrl(value) {
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return urlRegex.test(value);
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}
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function isZIndex(value) {
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return value == 'auto' ||
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isNumber(value) ||
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isKeyword('^')(value);
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}
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function scanForNumber(value) {
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var hasDot = false;
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var hasSign = false;
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var character;
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var i, l;
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for (i = 0, l = value.length; i < l; i++) {
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character = value[i];
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if (i === 0 && (character == PLUS_SIGN || character == MINUS_SIGN)) {
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hasSign = true;
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} else if (i > 0 && hasSign && (character == PLUS_SIGN || character == MINUS_SIGN)) {
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return i - 1;
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} else if (character == DECIMAL_DOT && !hasDot) {
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hasDot = true;
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} else if (character == DECIMAL_DOT && hasDot) {
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return i - 1;
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} else if (decimalRegex.test(character)) {
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continue;
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} else {
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return i - 1;
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}
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}
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return i;
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}
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function validator(compatibility) {
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var validUnits = Units.slice(0).filter(function (value) {
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return !(value in compatibility.units) || compatibility.units[value] === true;
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});
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return {
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colorOpacity: compatibility.colors.opacity,
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isAnimationDirectionKeyword: isKeyword('animation-direction'),
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isAnimationFillModeKeyword: isKeyword('animation-fill-mode'),
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isAnimationIterationCountKeyword: isKeyword('animation-iteration-count'),
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isAnimationNameKeyword: isKeyword('animation-name'),
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isAnimationPlayStateKeyword: isKeyword('animation-play-state'),
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isTimingFunction: isTimingFunction(),
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isBackgroundAttachmentKeyword: isKeyword('background-attachment'),
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isBackgroundClipKeyword: isKeyword('background-clip'),
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isBackgroundOriginKeyword: isKeyword('background-origin'),
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isBackgroundPositionKeyword: isKeyword('background-position'),
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isBackgroundRepeatKeyword: isKeyword('background-repeat'),
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isBackgroundSizeKeyword: isKeyword('background-size'),
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isColor: isColor,
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isColorFunction: isColorFunction,
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isDynamicUnit: isDynamicUnit,
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isFontKeyword: isKeyword('font'),
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isFontSizeKeyword: isKeyword('font-size'),
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isFontStretchKeyword: isKeyword('font-stretch'),
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isFontStyleKeyword: isKeyword('font-style'),
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isFontVariantKeyword: isKeyword('font-variant'),
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isFontWeightKeyword: isKeyword('font-weight'),
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isFunction: isFunction,
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isGlobal: isKeyword('^'),
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isHslColor: isHslColor,
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isIdentifier: isIdentifier,
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isImage: isImage,
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isKeyword: isKeyword,
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isLineHeightKeyword: isKeyword('line-height'),
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isListStylePositionKeyword: isKeyword('list-style-position'),
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isListStyleTypeKeyword: isKeyword('list-style-type'),
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isNumber: isNumber,
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isPrefixed: isPrefixed,
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isPositiveNumber: isPositiveNumber,
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isRgbColor: isRgbColor,
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isStyleKeyword: isKeyword('*-style'),
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isTime: isTime,
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isUnit: isUnit.bind(null, validUnits),
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isUrl: isUrl,
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isVariable: isVariable,
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isWidth: isKeyword('width'),
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isZIndex: isZIndex
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};
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}
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module.exports = validator;
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