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@types/cls-hooked

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@types/cls-hooked

TypeScript definitions for cls-hooked

  • 4.3.9
  • ts4.8
  • ts4.9
  • ts5.0
  • ts5.1
  • ts5.2
  • ts5.3
  • ts5.4
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What is @types/cls-hooked?

@types/cls-hooked provides TypeScript type definitions for the cls-hooked package, which is used for context propagation across asynchronous calls in Node.js. It allows you to create a context that can be accessed throughout the lifecycle of a request, even across asynchronous boundaries.

What are @types/cls-hooked's main functionalities?

Creating a Namespace

This feature allows you to create a new namespace. A namespace is a context that can be used to store and retrieve data across asynchronous calls.

const cls = require('cls-hooked');
const namespace = cls.createNamespace('myNamespace');

Setting and Getting Context

Within a namespace, you can set and get values that will be available throughout the lifecycle of the asynchronous operations.

namespace.run(() => {
  namespace.set('key', 'value');
  console.log(namespace.get('key')); // Outputs: value
});

Binding Functions to a Namespace

You can bind functions to a namespace so that they have access to the context set within that namespace.

const boundFunction = namespace.bind(() => {
  console.log(namespace.get('key'));
});
namespace.run(() => {
  namespace.set('key', 'value');
  boundFunction(); // Outputs: value
});

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Package last updated on 23 Oct 2024

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