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toy-promise's Introduction

手写 promise + jest 单元测试

TODO

  1. 多个.then，后面的.then 会丢失类型
  2. .catch 还没测试链式调用
  3. .then 的链式穿透

当前项目下开启 ts 的调试模式

  1. 点击 terminal -> run tasks -> tsc watch - tsconfig.json
  2. 给对应的位置打断点
  3. f5 运行 debug

更多 debug 方式参考

关于 jest 运行单元测试时，开启 ts 检测

https://github.com/kulshekhar/ts-jest

关于启动 ts 实时转译

点击terminal -> run tasks ->  tsc watch - tsconfig.json

关于 js 调试方法

  1. node --inspect-brk ./.jest/test1.test.js
  2. cmd + shift + p -> debug attach node

关于 ts 调试方法

https://kiwi-jacket-c6b.notion.site/vs-code-ts-6d8d4365f6694df08a3fe1da69e64e9f

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