grunt-eslint

Validate files with ESLint

Install

 npm install --save-dev grunt-eslint

Usage

 require('load-grunt-tasks')(grunt);

grunt.initConfig({
	eslint: {
		target: ['file.js']
	}
});

grunt.registerTask('default', ['eslint']);

Examples

Custom config and rules

 const noAlertRule = require('./conf/rules/no-alert');

grunt.initConfig({
	eslint: {
		options: {
			overrideConfigFile: 'conf/eslint.js',
			plugins: {
				noAlertRule
			}
		},
		target: ['file.js']
	}
});

Custom formatter

 grunt.initConfig({
	eslint: {
		options: {
			format: './node_modules/eslint-tap/index.js'
		},
		target: ['file.js']
	}
});

Options

See the ESLint options.

In addition the following options are supported:

format

Type: string
Default: 'stylish'

The name of a built-in formatter or path to a custom one.

Some formatters you might find useful: eslint-json, eslint-tap.

outputFile

Type: string
Default: ''

Output the report to a file.

quiet

Type: boolean
Default: false

Report errors only.

maxWarnings

Type: number
Default: -1 (Means no limit)

The nmber of warnings to trigger non-zero exit code.

failOnError

Type: boolean
Default: true

Fail the build if ESLint found any errors.