flow flow-typed 定义简单demo

flow-typed 安装

全局

npm  install  -g flow-typed

测试代码

• 一个简单全局函数

  目录根目录 flow-typed

userLibDef.js
declare function userlogin(a: number): string;

• 配置flowconfig 查找typedefine

[ignore]
[include]
[libs]
./flow-typed
[lints]
[options]
[strict]

• 代码使用

// @flow
function userlogin(index) {
  return "dalongdemo"
}
const shortid = require("shortid");
function shortid_gen():string{
   return shortid.generate()
}
function getinfo(name:string):string {
   return name;
}
module.exports={
  name:"dalong-appdemo",
  age:33,
  get:getinfo,
  id:shortid_gen(),
  login: userlogin(44)
}  

参考资料

https://flow.org/en/docs/config/
https://flow.org/en/docs/libdefs/creation/