jscontext

Comprehensive way to making context for your application e.g for express request handling and share between application layers.

Table Of Contents

• Installation
• Usage
• API
• License

Installation

npm i node-jscontext

Usage

Basic example :

const { context } = require("../index.js");

const ctx = context();
ctx.set("Hello", "world"); 
ctx.setWithTimeout("Hello2", Promise.resolve('world2')); // avoid memory leaks for promise value

console.log(ctx.get("Hello")); // world
console.log(context().get("Hello")); // world
console.log(ctx.get("Hello2")); // Promise { 'world2' }
console.log(context().get("Hello2")); // Promise { 'world2' }

Example using expressjs

API

node-jscontext provide a context with list of APIs below.

• context()
  • get() clsBind binded function to get value from continuation local storage by key.
  • set() clsBind binded function to set value from continuation local storage by key.
  • setWithTimeout() clsBind binded function to set value from continuation local storage by key with timeout.
  • namespace gets the continuation namespace data.
• contextMiddleware(context: ContextReturn) returns express middleware.

License

node-jscontext using MIT License