scancss
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A robust CSS stylesheet statistics collector and analyzer
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Markdown
## Report Structure
* [size](#size)
* [comments](#comments)
* [atRules](#atrules)
* [imports](#imports)
* [mediaQueries](#mediaqueries)
* [keyframes](#keyframes)
* [rules](#rules)
* [selectors](#selectors)
* [declarations](#declarations)
* [properties](#properties)
* [displays](#displays)
* [positions](#positions)
* [zIndices](#zindices)
* [floats](#floats)
* [borderRadiuses](#borderradiuses)
* [widths](#widths)
* [heights](#heights)
* [letterSpacings](#letterspacings)
* [fontSizes](#fontsizes)
* [lineHeights](#lineheights)
* [fontFamilies](#fontfamilies)
* [colors](#colors)
* [backgroundColors](#backgroundcolors)
* [allColors](#allcolors)
* [transitions](#transitions)
* [animations](#animations)
* [functions](#functions)
* [filters](#filters)
* [gradients](#gradients)
* [dataUris](#datauris)
* [units](#units)
* [variables](#variables)
* [vendorPrefixes](#vendorprefixes)
* [browserHacks](#browserhacks)
#### size
* **source** - `number`
* **gzipSource** - `number`
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#### comments
* **total** - `number`
* **length** - `Record<string, number>`
* **total** - `number`
* **longest** - `number`
* **shortest** - `number` (`Number.MAX_SAFE_INTEGER` if there are no comments in a stylesheet)
* **average** - `number`
* **sizeRatio** - `number`
* **sizeRatioPercent** - `string | null`
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#### atRules
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **empty** - `number`
* **prefixed** - `number`
* **unknown** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **descriptors** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### imports
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **urls** - `Record<string, number>`
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#### mediaQueries
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **onlyKeyword** - `number`
* **types** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **deprecated** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **usage** - `Record<string, number>`
* **features** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **prefixed** - `number`
* **deprecated** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **usage** - `Record<string, number>`
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#### keyframes
* **stepsChains** - `Record<string, number>`
* **longestStepsChain** - `string | null`
* **longestStepsChainLength** - `number`
* **longestStepsChainAnimation** - `string | null`
* **shortestStepsChain** - `string | null`
* **shortestStepsChainLength** - `number` (`Number.MAX_SAFE_INTEGER` if there are no @keyframes in a stylesheet)
* **shortestStepsChainAnimation** - `string | null`
* **animatableProperties** - `Array<string>`
* **definedAnimations** - `Array<string>`
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#### rules
* **total** - `number`
* **empty** - `number`
* **withoutTrailingSemicolon** - `number`
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#### selectors
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **baseUsage** - `Record<string, number>`
* **attribute** - `number`
* **class** - `number`
* **id** - `number`
* **pseudoClass** - `number`
* **pseudoElement** - `number`
* **tag** - `number`
* **universal** - `number`
* **pseudoClassesUsage** - `Record<string, number>`
* **pseudoElementsUsage** - `Record<string, number>`
* **attributesUsage** - `Record<string, number>`
* **combinators** - `Record<string, number>`
* **total** - `number`
* **adjacentSibling** - `number`
* **child** - `number`
* **descendant** - `number`
* **generalSibling** - `number`
* **complex** - `number`
* **maxPerRule** - `number`
* **maxPerRuleList** - `Array<string>`
* **averagePerRule** - `number`
* **length** - `Record<string, number | null>`
* **total** - `number`
* **longest** - `number`
* **longestSelector** - `string | null`
* **average** - `number`
* **specificity** - `Record<string, any>`
* **total** - `[number, number, number]`
* **average** - `[number, number, number]`
* **highest** - `[number, number, number]`
* **highestSelector** - `string | null`
* **highest10** - `Array<Record<'selector' | 'specificity', string | [number, number, number]>`
* **graphData** - `Array<[number, number, number]>`
* **sizeRatio** - `number`
* **sizeRatioPercent** - `string | null`
[Back to top](#report-structure)
#### declarations
* **total** - `number`
* **unique** - `number`
* **uniqueRatio** - `number`
* **important** - `number`
* **averagePerRule** - `number`
* **length** - `Record<string, number | null>`
* **total** - `number`
* **longest** - `number`
* **longestDeclaration** - `string | null`
* **average** - `number`
* **sizeRatio** - `number`
* **sizeRatioPercent** - `string | null`
* **inAtRules** - `Record<string, number>`
* **list** - `Array<string>`
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#### properties
* **total** - `number`
* **unique** - `number`
* **uniqueRatio** - `number`
* **usage** - `Record<string, number>`
* **shorthands** - `number`
* **shorthandsRatio** - `number`
* **prefixed** - `number`
* **unitless** - `number`
* **resetsViaAll** - `number`
* **negativeMargins** - `number`
* **anonymousReplacedElements** - `number`
* **performanceHacks** - `Record<string, number>`
* **autoKeyword** - `number`
* **inheritKeyword** - `number`
* **initialKeyword** - `number`
* **revertKeyword** - `number`
* **unsetKeyword** - `number`
* **engineTriggers** - `Record<'composite' | 'layout' | 'paint', any>`
* **composite** - `Record<string, number>`
* **blink** - `number`
* **edgehtml** - `number`
* **gecko** - `number`
* **webkit** - `number`
* **layout** - `Record<string, number>`
* **blink** - `number`
* **edgehtml** - `number`
* **gecko** - `number`
* **webkit** - `number`
* **paint** - `Record<string, number>`
* **blink** - `number`
* **edgehtml** - `number`
* **gecko** - `number`
* **webkit** - `number`
[Back to top](#report-structure)
#### displays
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### positions
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### zIndices
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **invalid** - `Record<string, number>`
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#### floats
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### borderRadiuses
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### widths
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### heights
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### letterSpacings
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### fontSizes
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **keywords** - `Record<string, number | Record<string, number>>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### lineHeights
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **hardCoded** - `number`
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#### fontFamilies
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **generic** - `Record<string, number>`
* **system** - `Record<string, number>`
* **withoutFallbackFonts** - `number`
* **imageReplacementHacks** - `number`
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#### colors
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **currentColorKeyword** - `number`
* **transparentKeyword** - `number`
* **models** - `Record<'hex' | 'hexa' | 'rgb' | 'rgba' | 'hsl' | 'hsla' | 'hwb', number>`
* **named** - `Record<string, number>`
* **system** - `Record<string, number>`
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#### backgroundColors
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **currentColorKeyword** - `number`
* **transparentKeyword** - `number`
* **models** - `Record<'hex' | 'hexa' | 'rgb' | 'rgba' | 'hsl' | 'hsla' | 'hwb', number>`
* **named** - `Record<string, number>`
* **system** - `Record<string, number>`
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#### allColors
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **currentColorKeyword** - `number`
* **transparentKeyword** - `number`
* **models** - `Record<'hex' | 'hexa' | 'rgb' | 'rgba' | 'hsl' | 'hsla' | 'hwb', number>`
* **named** - `Record<string, number>`
* **system** - `Record<string, number>`
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#### transitions
* **properties** - `Record<string, number>`
* **longestDuration** - `number`
* **shortestDuration** - `number` (`Number.MAX_SAFE_INTEGER` if there are no transition durations in a stylesheet)
* **longestDelay** - `number`
* **shortestDelay** - `number` (`Number.MAX_SAFE_INTEGER` if there are no transition delays in a stylesheet)
* **timingFunctions** - `Record<string, number>`
* **invalidTimingFunctions** - `Record<string, number>`
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#### animations
* **total** - `number` (**_NOTE:_** total animation names)
* **unique** - `number` (**_NOTE:_** unique animation names)
* **usage** - `Record<string, number>` (**_NOTE:_** animation names usage)
* **infinite** - `number`
* **withoutDefinitions** - `Array<string>`
* **longestDuration** - `number`
* **shortestDuration** - `number` (`Number.MAX_SAFE_INTEGER` if there are no animation durations in a stylesheet)
* **longestDelay** - `number`
* **shortestDelay** - `number` (`Number.MAX_SAFE_INTEGER` if there are no animation delays in a stylesheet)
* **timingFunctions** - `Record<string, number>`
* **invalidTimingFunctions** - `Record<string, number>`
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#### functions
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **prefixed** - `number`
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#### filters
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### gradients
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### dataUris
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **length** - `Record<string, number | null>`
* **total** - `number`
* **longest** - `number`
* **longestDataUri** - `string | null`
* **average** - `number`
* **sizeRatio** - `number`
* **sizeRatioPercent** - `string | null`
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#### units
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **excessive** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **unknown** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
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#### variables
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **valuesMap** - `Record<string, number>`
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#### vendorPrefixes
* **total** - `number`
* **unique** - `number`
* **unknown** - `Record<string, any>`
* **total** - `number`
* **unique** - `number`
* **usage** - `Record<string, number>`
* **usage** - `Record<string, number>`
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#### browserHacks
* **total** - `number`
* **usage** - `Record<string, any>`
* **supports** - `Record<string, number>`
* **media** - `Record<string, number>`
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