rollup-plugin-eslint

7.0.0 verified Sat Apr 25 auth: no javascript deprecated

A Rollup plugin that verifies entry point and all imported files with ESLint. Version 7.0.0, released 2021-02-12. Maintained by TrySound, this plugin integrates ESLint linting into the Rollup build pipeline. Key differentiators: auto-fix support (via `fix` option) and integration with Rollup's plugin system. Compared to other lint plugins like rollup-plugin-eslint-plugin or @rollup/plugin-eslint (which replaced it), this was the original but is now deprecated in favor of @rollup/plugin-eslint. Last commit was 2019-09-18, so no recent activity.

Common errors

error TypeError: (0 , _rollupPluginEslint.eslint) is not a function ↓

cause Using default import instead of named import in v5+.

fix

Change to: import { eslint } from 'rollup-plugin-eslint'

error Error: Cannot find module 'rollup-plugin-eslint' ↓

cause Package not installed or incorrect path.

fix

Install: npm install rollup-plugin-eslint --save-dev

error The 'eslint' option is not supported. Use 'lint' instead. ↓

cause Confusion with other lint plugins.

fix

Use the 'eslint' function from rollup-plugin-eslint directly.

Warnings

deprecated rollup-plugin-eslint is deprecated. Use @rollup/plugin-eslint instead. ↓

fix Replace with @rollup/plugin-eslint: npm install @rollup/plugin-eslint --save-dev and change import to { eslint } from '@rollup/plugin-eslint'

breaking v5.0.0: Changed from default export to named export. ↓

fix Use import { eslint } from 'rollup-plugin-eslint' instead of import eslint from 'rollup-plugin-eslint'

breaking v6.0.0: Dropped Node.js v6 support and upgraded Rollup to v1. ↓

fix Ensure Node.js >=8 and Rollup >=1.0

breaking v7.0.0: Upgraded ESLint to v6, dropped older ESLint versions. ↓

fix ESLint >=6 required

gotcha Plugin processes files only once; if files change after initial build, they are not re-linted unless Rollup runs again. ↓

fix Use Rollup's watch mode or configure the plugin to run on every build.

Install

npm install rollup-plugin-eslint

yarn add rollup-plugin-eslint

pnpm add rollup-plugin-eslint

Imports

eslint

wrong

import eslint from 'rollup-plugin-eslint'

correct

import { eslint } from 'rollup-plugin-eslint'

Named export since v5.0.0; default export removed.

rollup-plugin-eslint (CommonJS)

wrong

const eslint = require('rollup-plugin-eslint')

correct

const { eslint } = require('rollup-plugin-eslint')

Must destructure to get the named export.

TypeScript types
```
import { eslint } from 'rollup-plugin-eslint'
```
Types are not shipped; use @types/rollup-plugin-eslint or upgrade to @rollup/plugin-eslint which includes types.

Quickstart

Basic Rollup configuration using eslint plugin to lint all JS files in src.

// rollup.config.js
import { rollup } from 'rollup';
import { eslint } from 'rollup-plugin-eslint';

export default {
  input: 'src/main.js',
  plugins: [
    eslint({
      throwOnError: true,
      throwOnWarning: false,
      include: ['src/**/*.js'],
      exclude: ['node_modules/**']
    })
  ]
};