Package to help eslint config maintainers keep there rules up to date.
npm i -D eslint-rule-finderCheck for unused rules and error if found
eslint-rule-finder --unused .eslint.rcSave Unused Rules to a markdown file as a list
eslint-rule-finder --unused .eslint.rc --save UNUSED.mdBelow is some examples of how to use this with testing frameworks
const { LoadConfig, findUnused } = require('eslint-rule-finder')
const { assert } = require('chai')
let config
describe('Rules', () => {
before(() => {
config = new LoadConfig()
})
it('should have 0 undefined rules', () => {
const unusedRules = findUnused(config)
assert.equal(unusedRules.size, 0)
})
it('should have 0 deprecated rules', () => {
const { deprecated } = config
assert.equal(deprecated.size, 0)
})
})const { LoadConfig, findUnused } = require('eslint-rule-finder')
let config
describe('Rules', () => {
beforeAll(() => {
config = new LoadConfig()
})
it('should have 0 undefined rules', () => {
const unused = findUnused(config)
expect(unused.size).toBe(0)
})
it('should have 0 deprecated rules', () => {
const { deprecated } = config
expect(deprecated).toEqual(new Map())
})
})