apeman-app-validate/lib/validating/validate_data.js

apeman app to do schema validation.

/**
 * @function validateData
 */
'use strict'

const apemanerror = require('apemanerror')
const apemanschema = require('apemanschema')

/** @lends validateData */
function validateData (data, schema, options = {}) {
  if (!data) {
    let code = apemanerror.ApErrorCodes.RESOURCE_DATA_MISSING_ERROR
    return apemanerror.newError(code, options.namespace, {
      trigger: 'apeman-app-validate'
    })
  }
  if (Array.isArray(data)) {
    let errors = data
      .map((data, i) => validateData(data, schema, options))
      .filter((error) => !!error)
      .reduce((a, b) => [].concat(a, b), [])
    return errors.length > 0 ? errors : null
  }
  let errors = apemanschema.validate(data, schema)
  if (!errors) {
    return null
  }
  let $pointer = data.$pointer || '/'
  return errors.map((error) => {
    let pointer = error.source.pointer
    error.source.pointer = [ '/', $pointer, pointer ].join('/')
    return error
  })
}

module.exports = validateData