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你研究过多层export import 后的tree-shaking么，隔一层里面的context没有tree-shaking #1

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shinken008 opened this issue Aug 5, 2020 · 0 comments

shinken008 commented Aug 5, 2020

// App.js 入口文件
import { cube, Test } from './utils.js';

// cube(2);

// middle.js
console.log('before middle'); // 会被摇掉
// 类消除
export class Test {
  getName(){
    return 'test';
  }
}
// 函数消除
export { cube } from './utils'

// utils.js
console.log('before utils');// 不会被摇掉

export function square(x) {
  console.log('square'); 
  return x * x;
}

export function cube(x) {
  console.log('cube');
  return x * x * x;
}

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