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jiti

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jiti

Runtime typescript and ESM support for Node.js


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17M
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What is jiti?

The jiti npm package is a runtime TypeScript and ES Module (ESM) loader that allows you to import TypeScript files, ESM, or JSON modules dynamically in a Node.js environment without the need for prior compilation. It is designed to be a zero-config, drop-in replacement for dynamic imports and require calls, providing just-in-time transpilation of code.

What are jiti's main functionalities?

Dynamic Import of TypeScript Files

This feature allows you to dynamically import TypeScript files at runtime. The jiti function is called with the current filename to create a context, and then it is used to import a TypeScript module, which is transpiled just-in-time.

const jiti = require('jiti')(__filename)
const myModule = jiti('./my-module.ts')

Dynamic Import of ESM

With this feature, jiti can dynamically import ES Module files. The 'esmResolve' option enables proper resolution of ESM modules, allowing them to be loaded at runtime without prior compilation.

const jiti = require('jiti')(__filename, { esmResolve: true })
const myESMModule = jiti('./my-esm-module.mjs')

Dynamic Import of JSON Modules

This feature enables the dynamic import of JSON modules. By using jiti, you can load JSON files at runtime, which can be useful for configuration files or other data that needs to be imported into your application.

const jiti = require('jiti')(__filename)
const config = jiti('./config.json')

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Package last updated on 07 Oct 2024

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