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A Jest transformer using esbuild
| Date | Stars |
|---|---|
| 2026-07-24 | 520 |
| 2026-07-25 | 520 |
| 2026-07-28 | 520 |
| 2026-07-30 | 520 |
| 2026-08-06 | 520 |
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# esbuild-jest
### A Jest transformer using esbuild
With this transformer you can use and transform (ts, js, tsx and jsx) files
[](https://www.npmjs.com/package/esbuild-jest)
## 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'
}
}
]
}
}
```
> Note: if you are using tsconfig.json and jsconfig.json with "paths", Please look `alias-hq` and there documentation https://github.com/davestewart/alias-hq/blob/master/docs/integrations.md
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Alec Larson
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Would you bet a product on this? Bounded 0–100 and slow moving.
matched fp:f9dad29452ca68a9, topic:transformer