check-and-lock

``` npm i --save check-and-lock ``` ### usage ``` const { checkAndLock, unlock } = require('check-and-lock');

Usage no npm install needed!

<script type="module">
  import checkAndLock from 'https://cdn.skypack.dev/check-and-lock';
</script>

README

a simple lock

install

npm i --save check-and-lock

usage

const { checkAndLock, unlock } = require('check-and-lock');

if (checkAndLock('myKey', 1000/**millisecond*/)) throw new Error('短时间内不能重复操作，请稍后再试');

// do something ...

unlock('myKey');

router.get('/path', wrap(async (req, res, next, logger)=>{
  let userId = ...;
  if (checkAndLock('path' + userId, 500/**millisecond*/)) throw new Error('短时间内不能重复操作，请稍后再试');
  // do something ...
}));