postcss-loader/dist/options.json

{
  "title": "PostCSS Loader options",
  "type": "object",
  "properties": {
    "postcssOptions": {
      "description": "Options to pass through to `Postcss`.",
      "link": "https://github.com/webpack-contrib/postcss-loader#postcssOptions",
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true,
          "properties": {
            "config": {
              "description": "Allows to specify PostCSS config path.",
              "link": "https://github.com/webpack-contrib/postcss-loader#config",
              "anyOf": [
                {
                  "description": "Allows to specify the path to the configuration file",
                  "type": "string"
                },
                {
                  "description": "Enables/Disables autoloading config",
                  "type": "boolean"
                }
              ]
            }
          }
        },
        {
          "instanceof": "Function"
        }
      ]
    },
    "execute": {
      "description": "Enables/Disables PostCSS parser support in 'CSS-in-JS'.",
      "link": "https://github.com/webpack-contrib/postcss-loader#execute",
      "type": "boolean"
    },
    "sourceMap": {
      "description": "Enables/Disables generation of source maps.",
      "link": "https://github.com/webpack-contrib/postcss-loader#sourcemap",
      "type": "boolean"
    },
    "implementation": {
      "description": "The implementation of postcss to use, instead of the locally installed version",
      "link": "https://github.com/webpack-contrib/postcss-loader#implementation",
      "anyOf": [
        {
          "type": "string"
        },
        {
          "instanceof": "Function"
        }
      ]
    }
  },
  "additionalProperties": false
}