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3.37.0
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zloirock committed Apr 16, 2024
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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## Changelog
##### Unreleased
- Nothing

##### [3.37.0 - 2024.04.17](https://github.com/zloirock/core-js/releases/tag/v3.37.0)
- Changes [v3.36.1...v3.37.0](https://github.com/zloirock/core-js/compare/v3.36.1...v3.37.0)
- [New `Set` methods proposal](https://github.com/tc39/proposal-set-methods):
- Built-ins:
- `Set.prototype.intersection`
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14 changes: 7 additions & 7 deletions README.md
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### Installation:[](#index)
```sh
// global version
npm install --save core-js@3.36.1
npm install --save core-js@3.37.0
// version without global namespace pollution
npm install --save core-js-pure@3.36.1
npm install --save core-js-pure@3.37.0
// bundled global version
npm install --save core-js-bundle@3.36.1
npm install --save core-js-bundle@3.37.0
```

Or you can use `core-js` [from CDN](https://www.jsdelivr.com/package/npm/core-js-bundle).
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#### `@babel/preset-env`[](#index)

[`@babel/preset-env`](https://github.com/babel/babel/tree/master/packages/babel-preset-env) has `useBuiltIns` option, which optimizes working with global version of `core-js`. With `useBuiltIns` option, you should also set `corejs` option to used version of `core-js`, like `corejs: '3.36'`.
[`@babel/preset-env`](https://github.com/babel/babel/tree/master/packages/babel-preset-env) has `useBuiltIns` option, which optimizes working with global version of `core-js`. With `useBuiltIns` option, you should also set `corejs` option to used version of `core-js`, like `corejs: '3.37'`.

> **Warning!** Recommended to specify used minor `core-js` version, like `corejs: '3.36'`, instead of `corejs: 3`, since with `corejs: 3` will not be injected modules which were added in minor `core-js` releases.
> **Warning!** Recommended to specify used minor `core-js` version, like `corejs: '3.37'`, instead of `corejs: 3`, since with `corejs: 3` will not be injected modules which were added in minor `core-js` releases.
- `useBuiltIns: 'entry'` replaces imports of `core-js` to import only required for a target environment modules. So, for example,
```js
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var array = Array.of(1, 2, 3);
```

By default, `@babel/preset-env` with `useBuiltIns: 'usage'` option only polyfills stable features, but you can enable polyfilling of proposals by `proposals` option, as `corejs: { version: '3.36', proposals: true }`.
By default, `@babel/preset-env` with `useBuiltIns: 'usage'` option only polyfills stable features, but you can enable polyfilling of proposals by `proposals` option, as `corejs: { version: '3.37', proposals: true }`.

> **Warning!** In the case of `useBuiltIns: 'usage'`, you should not add `core-js` imports by yourself, they will be added automatically.
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"env": {
"targets": "> 0.25%, not dead",
"mode": "entry",
"coreJs": "3.36"
"coreJs": "3.37"
}
}
```
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2 changes: 1 addition & 1 deletion deno/corejs/README.md
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*Example*:
```js
import 'https://deno.land/x/corejs@v3.36.1/index.js'; // <- at the top of your entry point
import 'https://deno.land/x/corejs@v3.37.0/index.js'; // <- at the top of your entry point

Object.hasOwn({ foo: 42 }, 'foo'); // => true

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