mon-entreprise/modele-social/build.js

/* eslint-env node */

const fs = require('fs')
const path = require('path')
const yaml = require('js-yaml')

const publicodesDir = path.resolve(__dirname, './règles')
const outDir = path.resolve(__dirname, './dist')

if (!fs.existsSync(outDir)) {
	fs.mkdirSync(outDir)
}

function recursiveFindYamlFile(dirPath = publicodesDir) {
	return fs
		.readdirSync(dirPath)
		.flatMap((filename) => {
			const fullpath = path.join(dirPath, filename)
			if (fs.statSync(fullpath).isDirectory()) {
				return recursiveFindYamlFile(fullpath)
			} else {
				return filename.endsWith('.yaml') ? fullpath : false
			}
		}).filter(Boolean)
}

function readRules() {
	return recursiveFindYamlFile().reduce((rules, filePath) => {
		const newRules = yaml.load(fs.readFileSync(filePath, 'utf-8'), {filename: filePath})
		const duplicatedRule = Object.keys(newRules).find(ruleName => ruleName in rules)
		if (duplicatedRule) {
			throw new Error(`La règle ${duplicatedRule} a été redéfinie dans dans le fichier ${filePath}, alors qu'elle avait déjà été définie auparavant dans un autre fichier`)
		}
		return Object.assign(rules, newRules)
	}, {})
	
}

// Note: we can't put the output file in the fs.watched directory

function writeJSFile() {
	const rules = readRules()
	const names = Object.keys(rules)
	const jsString = `module.exports = ${JSON.stringify(rules, null, 2)}`
	fs.writeFileSync(path.resolve(outDir, 'index.js'), jsString)
	fs.writeFileSync(
		path.resolve(outDir, 'names.ts'),
		`\nexport type Names = ${names.map((name) => `"${name}"`).join('\n  | ')}\n`
	)
}

writeJSFile()
exports.watchDottedNames = () => fs.watch(publicodesDir, writeJSFile)