Feature

Property	Require	Npm
customProperties	require("postcss-custom-properties")(options)	https://npmjs.com/package/postcss-custom-properties
applyRule	require("postcss-apply")(options)	https://npmjs.com/package/postcss-apply
calc	require("postcss-calc")(options)	https://npmjs.com/package/postcss-calc
nesting	require("postcss-nesting")(options)	https://npmjs.com/package/postcss-nesting
customMedia	require("postcss-custom-media")(options)	https://npmjs.com/package/postcss-custom-media
mediaQueriesRange	require("postcss-media-minmax")(options)	https://npmjs.com/package/postcss-media-minmax
customSelectors	require("postcss-custom-selectors")(options)	https://npmjs.com/package/postcss-custom-selectors
attributeCaseInsensitive	require("postcss-attribute-case-insensitive")(options)	https://npmjs.com/package/postcss-attribute-case-insensitive
colorRebeccapurple	require("postcss-color-rebeccapurple")(options)	https://npmjs.com/package/postcss-color-rebeccapurple
colorHwb	require("postcss-color-hwb")(options)	https://npmjs.com/package/postcss-color-hwb
colorGray	require("postcss-color-gray")(options)	https://npmjs.com/package/postcss-color-gray
colorHexAlpha	require("postcss-color-hex-alpha")(options)	https://npmjs.com/package/postcss-color-hex-alpha
colorFunction	require("postcss-color-function")(options)	https://npmjs.com/package/postcss-color-function
fontVariant	require("postcss-font-variant")(options)	https://npmjs.com/package/postcss-font-variant
filter	require("pleeease-filters")(options)	https://npmjs.com/package/pleeease-filters
initial	require("postcss-initial")(options)	https://npmjs.com/package/postcss-initial
rem	require("pixrem")(options)	https://npmjs.com/package/pixrem
pseudoElements	require("postcss-pseudoelements")(options)	https://npmjs.com/package/postcss-pseudoelements
pseudoClassMatches	require("postcss-selector-matches")(options)	https://npmjs.com/package/postcss-selector-matches
pseudoClassNot	require("postcss-selector-not")(options)	https://npmjs.com/package/postcss-selector-not
pseudoClassAnyLink	require("postcss-pseudo-class-any-link")(options)	https://npmjs.com/package/postcss-pseudo-class-any-link
colorRgba	require("postcss-color-rgba-fallback")(options)	https://npmjs.com/package/postcss-color-rgba-fallback
overflowWrap	require("postcss-replace-overflow-wrap")(options)	https://www.npmjs.com/package/postcss-replace-overflow-wrap
autoprefixer	require("autoprefixer")(options)	https://npmjs.com/package/autoprefixer

js

// 無効化サンプル

var output = cssnext(input, {
  features: {
    calc: false,
    rem: false
  }
})