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scancss

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A robust CSS stylesheet statistics collector and analyzer

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## 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` [Back to top](#report-structure) #### 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` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### imports * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **urls** - `Record<string, number>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### rules * **total** - `number` * **empty** - `number` * **withoutTrailingSemicolon** - `number` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### positions * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### zIndices * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **invalid** - `Record<string, number>` [Back to top](#report-structure) #### floats * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### borderRadiuses * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### widths * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### heights * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### letterSpacings * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### fontSizes * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **keywords** - `Record<string, number | Record<string, number>>` * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### lineHeights * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **hardCoded** - `number` [Back to top](#report-structure) #### fontFamilies * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **generic** - `Record<string, number>` * **system** - `Record<string, number>` * **withoutFallbackFonts** - `number` * **imageReplacementHacks** - `number` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### functions * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **prefixed** - `number` [Back to top](#report-structure) #### filters * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### gradients * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### 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` [Back to top](#report-structure) #### 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>` [Back to top](#report-structure) #### variables * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **valuesMap** - `Record<string, number>` [Back to top](#report-structure) #### vendorPrefixes * **total** - `number` * **unique** - `number` * **unknown** - `Record<string, any>` * **total** - `number` * **unique** - `number` * **usage** - `Record<string, number>` * **usage** - `Record<string, number>` [Back to top](#report-structure) #### browserHacks * **total** - `number` * **usage** - `Record<string, any>` * **supports** - `Record<string, number>` * **media** - `Record<string, number>` [Back to top](#report-structure)