'use strict'; const getDocsUrl = require('./utils/get-docs-url'); const create = context => ({ BinaryExpression: node => { if (node.operator === 'instanceof' && node.right.type === 'Identifier' && node.right.name === 'Array') { // Get the source code and extract the left part const arraySourceCode = context.getSourceCode().text.slice(node.left.range[0], node.left.range[1]); context.report({ node, message: 'Use `Array.isArray()` instead of `instanceof Array`.', fix: fixer => fixer.replaceText(node, `Array.isArray(${arraySourceCode})`) }); } } }); module.exports = { create, meta: { type: 'suggestion', docs: { url: getDocsUrl(__filename) }, fixable: 'code' } };