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@swc-node/register

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@swc-node/register

SWC node register

  • 1.10.9
  • latest
  • Source
  • npm
  • Socket score

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1.5M
decreased by-15.78%
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1
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What is @swc-node/register?

@swc-node/register is an npm package that allows you to use SWC (a super-fast TypeScript/JavaScript compiler) to transpile your code on-the-fly when running Node.js applications. This package is particularly useful for developers who want to leverage the speed of SWC for TypeScript or modern JavaScript features without needing to precompile their code.

What are @swc-node/register's main functionalities?

On-the-fly TypeScript Compilation

This feature allows you to run TypeScript code directly in Node.js without precompiling it. The code sample demonstrates how to require the @swc-node/register package and run TypeScript code on-the-fly.

require('@swc-node/register');
const tsCode = `const greet = (name: string): string => `Hello, ${name}`;`;
console.log(greet('World'));

Modern JavaScript Syntax Support

This feature allows you to use modern JavaScript syntax (like ES6 arrow functions) in Node.js applications. The code sample shows how to require the @swc-node/register package and run modern JavaScript code on-the-fly.

require('@swc-node/register');
const es6Code = `const add = (a, b) => a + b; console.log(add(2, 3));`;
eval(es6Code);

Configuration Options

This feature allows you to customize the SWC compiler options. The code sample demonstrates how to pass configuration options to the @swc-node/register package to set the JavaScript target version.

require('@swc-node/register')({
  swc: {
    jsc: {
      target: 'es2017'
    }
  }
});
const code = `const x = async () => await Promise.resolve('done'); x().then(console.log);`;
eval(code);

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Package last updated on 17 Jul 2024

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