# esbuild-jest

> Jest plugin to use esbuild for transformation

Latest version **0.5.0** (published 2021-02-22) · MIT license · 0 weekly downloads

## Install

```sh
npm install esbuild-jest
pnpm add esbuild-jest
yarn add esbuild-jest
bun add esbuild-jest
```

## Health

**Score 25/100 (F)** — status: abandoned.

Positive: has types; esm support; no vulnerabilities.

Warnings: low downloads; pre 1.0.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 0.5.0 |
| Published | 2021-02-22 |
| First published | 2020-05-23 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 3 |
| Unpacked size | 10.2 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 519 |
| Author | Arjay Elbore |
| Maintainers | aelbore |
| Keywords | esbuild, jest, test |

## Links

- npm: https://www.npmjs.com/package/esbuild-jest
- Repository: https://github.com/aelbore/esbuild-jest
- Homepage: https://github.com/aelbore/esbuild-jest#readme
- Issues: https://github.com/aelbore/esbuild-jest/issues
- npm.io page: https://npm.io/package/esbuild-jest

## Dependencies (3)

- [babel-jest](https://npm.io/package/babel-jest.md) ^26.6.3
- [@babel/core](https://npm.io/package/@babel/core.md) ^7.12.17
- [@babel/plugin-transform-modules-commonjs](https://npm.io/package/@babel/plugin-transform-modules-commonjs.md) ^7.12.13

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## Recent versions

- 0.5.0 (latest) — 2021-02-22
- 0.5.0-beta.2 (beta) — 2021-02-20
- 0.5.0-beta.1 — 2021-02-19
- 0.4.0 — 2021-02-06
- 0.4.0-beta.1 — 2021-01-31
- 0.3.0 — 2020-12-03
- 0.3.0-beta.2 — 2020-12-03
- 0.3.0-beta.1 — 2020-11-28
- 0.3.0-beta.0 — 2020-10-14
- 0.2.2 — 2020-08-04
- 0.2.1 — 2020-08-03
- 0.2.0 — 2020-07-07
- 0.2.0-beta.2 — 2020-07-07
- 0.2.0-beta.1 — 2020-07-07
- 0.1.3 — 2020-07-04
- … 4 more at https://npm.io/package/esbuild-jest/versions

## README

# esbuild-jest

### A Jest transformer using esbuild
With this transformer you can use and transform (ts, js, tsx and jsx) files

[![npm](https://img.shields.io/npm/v/esbuild-jest.svg)](https://www.npmjs.com/package/esbuild-jest)
![build status](https://github.com/aelbore/esbuild-jest/actions/workflows/ci.yml/badge.svg)

## Install

```bash
npm install --save-dev esbuild-jest esbuild
```

#### Setting up Jest config file

esbuild-jest transformer should be used in your Jest config file like this:

```js
{
  "transform": {
    "^.+\\.tsx?$": "esbuild-jest"
  }
}
```

#### Setting up Jest config file with transformOptions
```typescript
export interface Options {
  jsxFactory?: string
  jsxFragment?: string
  sourcemap?: boolean | 'inline' | 'external'
  loaders?: {
    [ext: string]: Loader
  },
  target?: string
  format?: string
}
```

```js
{
  "transform": {
    "^.+\\.tsx?$": [ 
      "esbuild-jest", 
      { 
        sourcemap: true,
        loaders: {
          '.spec.ts': 'tsx'
        }
      } 
    ]
  }
}
```

---
_Source: https://npm.io/package/esbuild-jest · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._