babel.config.js

const polishedFnsCategories = {
  adjustHue: "color",
  animation: "shorthands",
  backgroundImages: "shorthands",
  backgrounds: "shorthands",
  between: "mixins",
  border: "shorthands",
  borderColor: "shorthands",
  borderRadius: "shorthands",
  borderStyle: "shorthands",
  borderWidth: "shorthands",
  buttons: "shorthands",
  clearFix: "mixins",
  complement: "color",
  cover: "mixins",
  cssVar: "helpers",
  darken: "color",
  desaturate: "color",
  directionalProperty: "helpers",
  easeIn: "easings",
  easeInOut: "easings",
  easeOut: "easings",
  ellipsis: "mixins",
  em: "helpers",
  fluidRange: "mixins",
  fontFace: "mixins",
  getContrast: "color",
  getLuminance: "color",
  getValueAndUnit: "helpers",
  grayscale: "color",
  invert: "color",
  hideText: "mixins",
  hideVisually: "mixins",
  hiDPI: "mixins",
  hsl: "color",
  hsla: "color",
  hslToColorString: "color",
  important: "helpers",
  lighten: "color",
  linearGradient: "mixins",
  margin: "shorthands",
  math: "math",
  meetsContrastGuidelines: "color",
  mix: "color",
  modularScale: "helpers",
  normalize: "mixins",
  opacify: "color",
  padding: "shorthands",
  parseToHsl: "color",
  parseToRgb: "color",
  position: "shorthands",
  radialGradient: "mixins",
  readableColor: "color",
  rem: "helpers",
  remToPx: "helpers",
  retinaImage: "mixins",
  rgb: "color",
  rgba: "color",
  rgbToColorString: "color",
  saturate: "color",
  setHue: "color",
  setLightness: "color",
  setSaturation: "color",
  shade: "color",
  size: "shorthands",
  stripUnit: "helpers",
  textInputs: "shorthands",
  timingFunctions: "mixins",
  tint: "color",
  toColorString: "color",
  transitions: "shorthands",
  transparentize: "color",
  triangle: "mixins",
  wordWrap: "mixins",
};

module.exports = {
  presets: ["@babel/env"],
  plugins: [
    [
      "transform-imports",
      {
        polished: {
          transform: (importName) =>
            `polished/lib/${polishedFnsCategories[importName]}/${importName}`,
          preventFullImport: true,
        },
      },
    ],
  ],
};