mixin-decorator

A decorator for mixins that doesn't overwrite existing methods.

installation

npm install @feizheng/mixin-decorator --save

usage

• npm install

import mixin from '@feizheng/mixin-decorator';

class A{
  static VERSION= '1.0';
  testA(){
    console.log('AAA')
  }
}


class B{
  static NAME ='BBB=NAME';
  testB(){
    console.log('BBB')
  }
}

@mixin(A,B)
class MyClass(){
  static VERSION = '2.0';
  sayHi(){
    console.log('hi');
  }
}

let my =new MyClass();

MyClass.VERSION; //2.0
MyClass.NAME; //BBB=NAME

my.testA(); //AAA
my.testB(); //BBB

support str import for webpack project:

//OLD:
module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: ['babel-loader'],
        exclude: /node_modules/,
      },
      //...
    ]
}

//NEW:
module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: ['babel-loader'],
        include: [
          resolve(__dirname, "../src"),
          resolve(__dirname, "../node_modules/mixin-decorator")
        ]
      },
      //...
    ]
}

webpack resolve:(DO NOT USE .babelrc's resolve)

import {resolve, join} from 'path';


resolve: {
  extensions: ['.js', '.json', '.scss', '.css'],
  alias:{
    mixins: resolve(__dirname, '../src/components/mixins')
  }
}

todo list

• [x] add @mixin(['on-chnage',obj ]) for plain object
• [ ] NOT_SUPPORT add @mixin(['on-chnage',':node-module' ]) in npm
• [ ] add unit test

resources

• https://github.com/webpack/webpack/issues/2031
• https://github.com/mbasso/react-decoration
• https://github.com/jayphelps/core-decorators