validate.mjs

import glob from 'glob'
import requireJSON5 from 'require-json5'
import _ from 'lodash'
import process from 'process'
import dirToJson from 'dir-to-json'
import fs from 'fs'

const args = process.argv.slice(2)

// Utility function to add delimiters
const addDelimiter = (a, b) => (a ? `${a}-${b}` : b)

// Check if object has a `value` property and if any children also have `value` (style dictionary
// will only process the topmost object with `value`)
const validate = (obj, path = '', toRet = []) => {
  const hasValue = _.has(obj, 'value')

  for (const key in obj) {
    const value = obj[key]
    const fullPath = addDelimiter(path, key)

    if (hasValue && _.has(value, 'value')) {
      toRet.push(fullPath)
      validate(value, fullPath, toRet)
    } else if (_.isPlainObject(value)) {
      validate(value, fullPath, toRet)
    }
  }

  return toRet
}

// Validate function for file structure
const validateStructure = async () => {
  const isUpdating = args.includes('--update')
  const validationFile = 'validate-structure.json'
  const newData = await dirToJson('./dist', { sortType: true })
  let existingData

  try {
    const raw = fs.readFileSync(validationFile, 'utf8')
    existingData = JSON.parse(raw)
  } catch (err) {
    existingData = null
  }

  // If no existing data found or is updating, create it
  if (!existingData || isUpdating) {
    fs.writeFileSync(validationFile, JSON.stringify(newData))
    console.log('Created new validation data')
    return
  }

  if (!_.isEqual(existingData, newData)) {
    throw new Error('Structure in dist folder has changed!')
  }

  console.log('Dist data structure has not changed')
}

// Main execution flow
const main = async () => {
  const files = glob.sync('./tokens/**/*.json5')
  const results = []

  // Process each file
  files.forEach((file) => {
    const response = validate(requireJSON5(file))

    if (response.length > 0) {
      results.push(`  In ${file}:`)
      results.push(`    ${response.join('\r\n    ')}`)
    }
  })

  if (results.length > 0) {
    console.log('The following tokens are being skipped:')
    console.log(results.join('\r\n'))
    process.exitCode = 1
  } else {
    console.log('All files successfully validated')
  }

  // Validate structure
  try {
    await validateStructure()
  } catch (error) {
    console.error(error.message)
    process.exitCode = 1
  }
}

main()