@sap/eslint-plugin-cds/lib/rules/index.js

ESLint plugin including recommended SAP Cloud Application Programming model and environment rules

'use strict'

const { globalCache } = require('../utils/Cache')
const createRule = require('../utils/createRule')

const fs = require('node:fs')
const path = require('node:path')

/**
 * @param {string} dir - directory to read rules from
 * @param {(module: NodeJS.Module) => unknown} post - post processing function
 * @returns {Record<string, () => NodeJS.Module>}
 */
const readRulesFromDir = (dir, post) => Object.fromEntries(fs.readdirSync(path.join(__dirname, dir))
  .filter(entry => entry.endsWith('.js') && !entry.includes('index'))  // only js files
  .map(file => [path.parse(file).name, require(['.', dir, file].join('/'))])
  .filter(([,module]) => Object.hasOwn(module, 'create'))  // create() is required to exist on top level by eslint -> good check to find actual rules
  .map(([file, module]) => [file, () => post(module)]))

const cdsRules = readRulesFromDir('.', createRule)
const jsRules = readRulesFromDir('js', module => module)
const rules = {...cdsRules, ...jsRules}

globalCache.set('rules', rules)

module.exports = rules