colors.js

let value = `.bg-yellow-gradient {
background-image: linear-gradient(45deg, #f5fe00, #ff6600) !important;
color: $dark-3 !important;
}
.bg-orange-gradient {
background-image: linear-gradient(45deg, #ff9700, #ed1c24) !important;
color: $white !important;
}
.bg-red-gradient {
background-image: linear-gradient(45deg, #f33a41, #ed0586) !important;
color: $white !important;
}
.bg-pink-gradient {
background-image: linear-gradient(45deg, #fea894, #ff1047) !important;
color: $white !important;
}
.bg-mauve-gradient {
background-image: linear-gradient(45deg, #c01f95, #7115cc) !important;
color: $white !important;
}
.bg-purple-gradient {
background-image: linear-gradient(45deg, #9829ea, #5908fb) !important;
color: $white !important;
}
.bg-blue-gradient {
background-image: linear-gradient(45deg, #00b8f9, #0166eb) !important;
color: $white !important;
}
.bg-cyan-gradient {
background-image: linear-gradient(45deg, #06edfe, #48b2fe) !important;
color: $white !important;
}
.bg-green-gradient {
background-image: linear-gradient(45deg, #3ab54a, #8cc63f) !important;
color: $white !important;
}
.bg-olive-gradient {
background-image: linear-gradient(45deg, #90e630, #39d266) !important;
color: $white !important;
}
.bg-grey-gradient {
background-image: linear-gradient(45deg, #9aadb9, #354855) !important;
color: $white !important;
}
.bg-brown-gradient {
background-image: linear-gradient(45deg, #ca6f2e, #cb1413) !important;
color: $white !important;
}`

let output = `class CuLinearGradient {\n`

const ret = value.split("}").map(item=> {
  item = item.trim()
  if (!item) return false
  const [ ,name] = item.match(/bg-(\S+)-gradient/)
  const [ a, b ] = item.match(/#(\S+)/g)
  const a1 = a.replace(",", "").replace("#","").replace(")", "")
  const a2 = b.replace(",", "").replace("#","").replace(")", "")
  return { name, a1, a2 }
}).filter(Boolean).map(item=> {
  output += `  static const ${item.name} = LinearGradient(
    begin: Alignment.topLeft,
    end: Alignment.bottomRight,
    colors: [
      Color(0xff${item.a1}),
      Color(0xff${item.a2}),
    ],
  );\n`
})

output += `}`
console.log(output)

gen_icon.js

const x = '' // https://raw.githubusercontent.com/wen-gang/coloruiBeta/7f057208f13162a4bdb9dd00f8f8a1bd6093e88d/app/scss/icon/_coloricon.scss
function camelize(str) {
  let arr = str.split('-');
  let capital = arr.map((item, index) => index ? item.charAt(0).toUpperCase() + item.slice(1).toLowerCase() : item.toLowerCase());
  let ret = capital.join("");
  return ret
}
/**
 * @type {Array<{name: string, value: string}>}
 */
const obj = x.split("\n").map(item => {
  let [, name, value] = item.match(/\.cicon-(\S+):before {content: "([\S\d]+)";}/)
  name = camelize(name)
  return { name, value }
})

let result = ``
result += `/// \`colorui\` 图标库
/// wget -O fonts/iconfont.ttf https://at.alicdn.com/t/font_1656945_d66u4pxvlq6.ttf
library colorui;
import 'package:flutter/widgets.dart';
class CuIcons {
  static const String _family = 'cufont';
  static const String _pkg = 'colorui';
  CuIcons._();
`
obj.forEach(item => {
  result += `  static const IconData ${item.name} =\n      IconData(0x${item.value}, fontFamily: _family, fontPackage: _pkg);\n`
})
result += `}`
copy(result)