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Remove modern envs #119

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Jun 22, 2021
Merged

Remove modern envs #119

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Remove modern envs
billyjanitsch Jun 4, 2021
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Merge branch 'main' into billy/rm-modern
billyjanitsch Jun 8, 2021
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Merge branch 'main' into billy/rm-modern
billyjanitsch Jun 17, 2021
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Merge branch 'main' into billy/rm-modern
billyjanitsch Jun 21, 2021
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billyjanitsch Jun 22, 2021
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25 changes: 7 additions & 18 deletions README.md
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Expand Up @@ -25,27 +25,16 @@ You can set up Babel transpilation in [several ways](http://babeljs.io/docs/setu

The preset can be configured using several options. Note that some options' defaults depend on the [Babel environment](https://babeljs.io/docs/en/options#envname), which may be one of the following:

| Environment | Purpose |
| -------------------- | -------------------------------------------------------------------- |
| `development` | Transpiling an app for development. |
| `production` | Transpiling an app for production. |
| `development-modern` | Transpiling an app for development with only modern browser support. |
| `production-modern` | Transpiling an app for production with only modern browser support. |
| `test` | Transpiling an app or library to run in the current version of Node. |
| `cjs` | Transpiling a library for distribution as CJS. |
| `esm` | Transpiling a library for distribution as ESM. |
| Environment | Purpose |
| ------------- | -------------------------------------------------------------------- |
| `development` | Transpiling an app for development. |
| `production` | Transpiling an app for production. |
| `test` | Transpiling an app or library to run in the current version of Node. |
| `cjs` | Transpiling a library for distribution as CJS. |
| `esm` | Transpiling a library for distribution as ESM. |

The present extends [`@babel/preset-env`](https://babeljs.io/docs/en/babel-preset-env), and forwards all additional options to that preset.

Browser support is provided by `@babel/preset-env`'s [`browserslist` integration](https://babeljs.io/docs/en/babel-preset-env#browserslist-integration), where browser support is declared in a `.browserslistrc` file which can either contain a single set of browser queries or [multiple named groups of queries](https://github.com/browserslist/browserslist#configuring-for-different-environments). This preset's `development` and `production` envs will use the default (`production`) group while the `development-modern` and `production-modern` envs will use a `modern` group. Be sure to specify these groups if using the corresponding environments.

### `browserslistEnv`

`string` | `undefined`<br />
Default: `modern` for `development-modern` and `production-modern` envs, `undefined` otherwise

The Browserslist environment to use. Forwarded to [the corresponding option in `@babel/preset-env`](https://babeljs.io/docs/en/babel-preset-env#browserslistenv).

### `emotion`

`false` | [`options`](https://emotion.sh/docs/@emotion/babel-preset-css-prop#options)<br />
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