[Feature]: add support for generator.dataUrl as a function in loader config

[SkReD]

What problem does this feature solve?

Allow to generate more optimized base64 representation of svg. Used like so

import svgToMiniDataURI from 'mini-svg-data-uri'

{
    test: /\.svg$/,
    issuer: /\.css$/,
    type: 'asset',
    parser: {
      dataUrlCondition: {
        maxSize: 2048,
      },
    },
    generator: {
      dataUrl: (content: string) => svgToMiniDataURI(content),
    },
  },
}  

What does the proposed API of configuration look like?

https://webpack.js.org/configuration/module/#rulegeneratordataurl

[luhc228]

Can I have a try?

[xc2]

Can I have a try?

@jerrykingxyz hi, has anyone been working on this?

[hardfist]

@luhc228 thanks in advance
/assign @luhc228