Simple Chat Room in NodeJS, expressJS and mongoDB in Docker Swarm
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4 years ago
'use strict';
/*!
* A query thunk is the function responsible for sending the query to MongoDB,
* like `Query#_findOne()` or `Query#_execUpdate()`. The `Query#exec()` function
* calls a thunk. The term "thunk" here is the traditional Node.js definition:
* a function that takes exactly 1 parameter, a callback.
*
* This function defines common behavior for all query thunks.
*/
module.exports = function wrapThunk(fn) {
return function _wrappedThunk(cb) {
++this._executionCount;
fn.call(this, cb);
};
};