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https://github.com/ycs77/eslint-config

Lucas's ESLint config presets
https://github.com/ycs77/eslint-config

Last synced: about 1 month ago
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Lucas's ESLint config presets

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# @ycs77/eslint-config

> Extended from [@antfu/eslint-config](https://github.com/antfu/eslint-config)

[![NPM version][ico-version]][link-npm]
[![Software License][ico-license]](LICENSE)
[![GitHub Tests Action Status][ico-github-action]][link-github-action]
[![Total Downloads][ico-downloads]][link-downloads]

- Auto fix for formatting (aimed to be used standalone **without** Prettier)
- Reasonable defaults, best practices, only one line of config
- Designed to work with TypeScript, JSX, Vue, JSON, YAML, Toml, Markdown, etc. Out-of-box.
- Opinionated, but [very customizable](#customization)
- [ESLint Flat config](https://eslint.org/docs/latest/use/configure/configuration-files-new), compose easily!
- **Style principle**: Minimal for reading, stable for diff, consistent
- Sorted imports, dangling commas
- Single quotes, no semi
- Using [ESLint Stylistic](https://github.com/eslint-stylistic/eslint-stylistic)
- Respects `.gitignore` by default
- Requires ESLint v9.5.0+

## Usage

### Install

```bash
yarn add eslint @ycs77/eslint-config -D
```

### Create config file

Create `eslint.config.mjs` in your project root:

```js
// eslint.config.mjs
import ycs77 from '@ycs77/eslint-config'

export default ycs77()
```

### Add script for package.json

For example:

```json
{
"scripts": {
"lint": "eslint .",
"lint:fix": "eslint . --fix"
}
}
```

## VS Code support (auto fix)

Install [VS Code ESLint extension](https://marketplace.visualstudio.com/items?itemName=dbaeumer.vscode-eslint)

Add the following settings to your `.vscode/settings.json`:

```jsonc
{
// Enable the ESlint flat config support
// (remove this if your ESLint extension above v3.0.5)
"eslint.experimental.useFlatConfig": true,

// Disable the default formatter, use eslint instead
"prettier.enable": false,
"editor.formatOnSave": false,

// Auto fix
"editor.codeActionsOnSave": {
"source.fixAll.eslint": "explicit",
"source.organizeImports": "never"
},

// Silent the stylistic rules in you IDE, but still auto fix them
"eslint.rules.customizations": [
{ "rule": "style/*", "severity": "off", "fixable": true },
{ "rule": "format/*", "severity": "off", "fixable": true },
{ "rule": "*-indent", "severity": "off", "fixable": true },
{ "rule": "*-spacing", "severity": "off", "fixable": true },
{ "rule": "*-spaces", "severity": "off", "fixable": true },
{ "rule": "*-order", "severity": "off", "fixable": true },
{ "rule": "*-dangle", "severity": "off", "fixable": true },
{ "rule": "*-newline", "severity": "off", "fixable": true },
{ "rule": "*quotes", "severity": "off", "fixable": true },
{ "rule": "*semi", "severity": "off", "fixable": true }
],

// Enable eslint for all supported languages
"eslint.validate": [
"javascript",
"javascriptreact",
"typescript",
"typescriptreact",
"vue",
"html",
"markdown",
"json",
"jsonc",
"yaml",
"toml"
]
}
```

## Customization

Since v1.0, we migrated to [ESLint Flat config](https://eslint.org/docs/latest/use/configure/configuration-files-new). It provides much better organization and composition.

Normally you only need to import the `ycs77` preset:

```js
// eslint.config.js
import ycs77 from '@ycs77/eslint-config'

export default ycs77()
```

And that's it! Or you can configure each integration individually, for example:

```js
// eslint.config.js
import ycs77 from '@ycs77/eslint-config'

export default ycs77({
// Enable stylistic formatting rules
// stylistic: true,

// Or customize the stylistic rules
stylistic: {
indent: 2, // 4, or 'tab'
quotes: 'single', // or 'double'
},

// TypeScript and Vue are auto-detected, you can also explicitly enable them:
typescript: true,
vue: true,

// Disable jsonc and yaml support
jsonc: false,
yaml: false,

// `.eslintignore` is no longer supported in Flat config, use `ignores` instead
ignores: [
'./fixtures',
// ...globs
],
})
```

The `ycs77` factory function also accepts any number of arbitrary custom config overrides:

```js
// eslint.config.js
import ycs77 from '@ycs77/eslint-config'

export default ycs77(
{
// Configures for ycs77's config
},

// From the second arguments they are ESLint Flat Configs
// you can have multiple configs
{
files: ['**/*.ts'],
rules: {},
},
{
rules: {},
},
)
```

More advanced you can see the [@antfu/eslint-config's customization](https://github.com/antfu/eslint-config#customization) for more details.

## Credit

- [@antfu/eslint-config](https://github.com/antfu/eslint-config)

## License

Under the [MIT LICENSE](LICENSE)

[ico-version]: https://img.shields.io/npm/v/@ycs77/eslint-config?style=flat-square
[ico-license]: https://img.shields.io/badge/license-MIT-brightgreen?style=flat-square
[ico-github-action]: https://img.shields.io/github/actions/workflow/status/ycs77/eslint-config/ci.yml?branch=main&label=tests&style=flat-square
[ico-downloads]: https://img.shields.io/npm/dt/@ycs77/eslint-config?style=flat-square
[link-npm]: https://www.npmjs.com/package/@ycs77/eslint-config
[link-github-action]: https://github.com/ycs77/eslint-config/actions/workflows/ci.yml?query=branch%3Amain
[link-downloads]: https://www.npmjs.com/package/@ycs77/eslint-config