eslint-plugin-putout

ESLint plugin for 🐊Putout with built-in rules from @putout/eslint-config.

Installation

npm i putout eslint eslint-plugin-putout -D

☝️If you installed eslint globally (using the -g flag) then you must also install putout and eslint-plugin-putout globally.

Usage

Add putout to the plugins section of your .eslintrc.json configuration file. You can omit the eslint-plugin- prefix:

{
    "extends": ["plugin:putout/recommended"],
    "plugins": ["putout"]
}

Then configure the rules you want to use under the rules section.

{
    "rules": {
        "putout/add-newlines-between-types-in-union": "error",
        "putout/add-newlines-between-specifiers": "error",
        "putout/add-newline-before-return": "error",
        "putout/add-newline-before-function-call": "error",
        "putout/add-newline-after-function-call": "error",
        "putout/putout": "error",
        "putout/array-element-newline": "error",
        "putout/single-property-destructuring": "error",
        "putout/multiple-properties-destructuring": "error",
        "putout/long-properties-destructuring": "error",
        "putout/destructuring-as-function-argument": "error",
        "putout/align-spaces": "error",
        "putout/keyword-spacing": "error",
        "putout/newline-function-call-arguments": "error",
        "putout/function-declaration-paren-newline": "error",
        "putout/remove-newline-after-default-import": "error",
        "putout/remove-newline-between-declarations": "error",
        "putout/remove-newline-from-empty-object": "error",
        "putout/remove-empty-newline-before-first-specifier": "error",
        "putout/remove-empty-newline-after-last-specifier": "error",
        "putout/remove-empty-newline-after-last-element": "error",
        "putout/remove-empty-newline-after-import": "error",
        "putout/remove-empty-specifiers": "error",
        "putout/objects-braces-inside-array": "error",
        "putout/object-property-newline": "error",
        "putout/tape-add-newline-between-tests": "error",
        "putout/tape-add-newline-before-assertion": "error",
        "putout/tape-remove-newline-before-t-end": "error"
    }
}

Rules

🐊 Putout

• ✅ Putout
• ✅ Evaluate

📼 Supertape

• ✅ add newline before assertion
• ✅ add newline between tests
• ✅ remove newline before t.end()

TypeScript

• ✅ Add newlines between types in union
• ✅ Object property newline

ESM

• ✅ No unresolved
• ✅ Remove duplicate extension
• ✅ Add newlines between specifiers

Formatting

• ✅ Add newline before return
• ✅ Add newline before function call
• ✅ Add newline after function call
• ✅ Align spaces
• ✅ Array element newline
• ✅ Single property destructuring
• ✅ Multiple properties destructuring
• ✅ For-of multiple properties destructuring
• ✅ Long properties destructuring
• ✅ Destructuring as function argument
• ✅ Keyword spacing
• ✅ Newline function call arguments
• ✅ Function declaration paren newline
• ✅ Remove newline between declarations
• ✅ Remove newline after default import
• ✅ Remove newline from empty object
• ✅ Remove empty newline before first specifier
• ✅ Remove empty newline after last specifier
• ✅ Remove empty newline after last element
• ✅ Remove empty newline after import
• ✅ Remove empty specifiers
• ✅ Objects braces inside array
• ✅ Nonblock statement body newline

Safe mode

When using 🐊Putout in IDE with --fix on save, or when you want to disable the most dangerous rules, use:

{
    "extends": ["plugin:putout/safe"],
    "plugins": ["putout"]
}

Disabled ESLint rules:

• ❌ no-useless-return
• ❌ no-implicit-coercion
• ❌ putout/remove-newline-from-empty-object

Disabled 🐊Putout rules:

• ❌ apply-template-literals;
• ❌ remove-empty;
• ❌ nodejs/remove-process-exit;
• ❌ remove-unused-variables;
• ❌ typescript/remove-unused-types;
• ❌ remove-unused-expressions;
• ❌ remove-unreferenced-variables;
• ❌ remove-useless-arguments;
• ❌ remove-useless-return;
• ❌ remove-useless-spread;
• ❌ remove-useless-variables;
• ❌ tape/remove-skip;
• ❌ tape/remove-only;
• ❌ remove-console;
• ❌ remove-debugger;
• ❌ remove-unreachable-code;
• ❌ for-of/for;
• ❌ for-of/remove-useless;
• ❌ for-of/remove-unused-variables;
• ❌ maybe/noop;

safe+align

When you want to enable ability to align spaces on empty lines, while have all benefits of safe preset: use safe+align.

jsx

When you need to support jsx in files using js extension, use:

{
    "extends": [
        "plugin:putout/jsx"
    ],
    "plugins": [
        "putout"
    ]
}

esm

If you want to use ESM plugins of 🐊Putout you need to use esm preset:

{
    "extends": [
        "plugin:putout/esm"
    ],
    "plugins": [
        "putout"
    ]
}

Flat

The time is came for a FlatConfig. To use it with eslint-plugin-putout add to eslint.config.js:

const {recommended} = require('eslint-plugin-putout/config');

module.exports = [
    ...recommended,
    {},
];

safe and safeAlign supported as well.

License

MIT