cypress-esbuild-preprocessor

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cypress-esbuild-preprocessor

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Bundle Cypress specs using esbuild

cypress-esbuild-preprocessor 최신버젼 다운로드

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# @bahmutov/cypress-esbuild-preprocessor

![cypress version](https://img.shields.io/badge/cypress-15.15.0-brightgreen) ![esbuild version](https://img.shields.io/badge/esbuild-0.28.2-brightgreen) [![ci status][ci image]][ci url]

> Bundle Cypress specs using [esbuild](https://esbuild.github.io/)

## Install

```bash
npm i -D cypress @bahmutov/cypress-esbuild-preprocessor esbuild
# note: this plugin assumes the esbuild is peer dependency
```

### esbuild version support

| esbuild version | cypress-esbuild-preprocessor version |
| --------------- | ------------------------------------ |
| < 0.17          | < 2.2.0                              |
| >= 0.17         | 2.2.0                                |

## Use

### Cypress v10+

In your config file add this module as a preprocessor

```js
// cypress.config.js
import { defineConfig } from 'cypress'
import createBundler from '@bahmutov/cypress-esbuild-preprocessor'

export default defineConfig({
  e2e: {
    setupNodeEvents(on, config) {
      on('file:preprocessor', createBundler())
    },
  },
})
```

### Cypress before v10

In your plugin file use this module as the preprocessor

```js
// cypress/plugins/index.js
const createBundler = require('@bahmutov/cypress-esbuild-preprocessor')
module.exports = (on, config) => {
  on('file:preprocessor', createBundler())
}
```

### ESBuild options

If you want to pass your own [ESBuild options](https://esbuild.github.io/api/)

```js
// cypress/plugins/index.js
const createBundler = require('@bahmutov/cypress-esbuild-preprocessor')
module.exports = (on, config) => {
  const bundler = createBundler({
    // any ESBuild options here
    // https://esbuild.github.io/api/
  })
  on('file:preprocessor', bundler)
}
```

## Debugging

Run with the environment variable `DEBUG=cypress-esbuild-preprocessor`

But also if something is not working, check out the alternative package: [cypress-esbuild-preprocessor](https://github.com/sod/cypress-esbuild-preprocessor#readme)

## Breaking changes

### v1 to v2

- instead of the file preprocessor, exposes a constructor function to allow user options to ESBuild

```js
// v1
const bundler = require('cypress-esbuild-preprocessor')
module.exports = (on, config) => {
  on('file:preprocessor', bundler)
}

// v2
const createBundler = require('cypress-esbuild-preprocessor')
module.exports = (on, config) => {
  // pass ESBuild options to be applied to each spec file
  const bundler = createBundler({
    define: {
      'process.env.NODE_ENV': '"development"',
    },
  })
  on('file:preprocessor', bundler)
}
```

[ci image]: https://github.com/bahmutov/cypress-esbuild-preprocessor/workflows/ci/badge.svg?branch=main
[ci url]: https://github.com/bahmutov/cypress-esbuild-preprocessor/actions

## Small print

- [@bahmutov](https://twitter.com/bahmutov)
- [glebbahmutov.com](https://glebbahmutov.com)
- [blog](https://glebbahmutov.com/blog)
- [videos](https://www.youtube.com/glebbahmutov)
- [presentations](https://slides.com/bahmutov)
- [cypress.tips](https://cypress.tips)
- [Cypress Tips & Tricks Newsletter](https://cypresstips.substack.com/)
- [my Cypress courses](https://cypress.tips/courses)

License: MIT - do anything with the code, but don't blame me if it does not work.

Support: if you find any problems with this module, email / tweet /
[open issue](https://github.com/bahmutov/cypress-esbuild-preprocessor/issues) on Github

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