apeman-app-validate/lib/parsing/parse_data.js

apeman app to do schema validation.

/**
 * Parse data in request body.
 * @function parseData
 * @param {string[]} namespace
 * @returns {?Object} - Found data
 */
'use strict'

/** @lends parseData */
function parseData (body, namespace) {
  let data = body
  let getValue = (data, key) => {
    if (!data) {
      return data
    }
    let value = data[ key ]
    if (Array.isArray(value)) {
      return value.map((value, i) =>
        Object.assign({
          __proto__: {
            $pointer: [ (data.$pointer || ''), key, i ].join('/')
          }
        }, value)
      )
    } else if (typeof value === 'object') {
      value = Object.assign({
        __proto__: {
          $pointer: [ (data.$pointer || ''), key ].join('/')
        }
      }, value)
    }
    return value
  }
  if (namespace) {
    let keys = namespace.split(/[\.\/]/g).filter((key) => !!key)
    for (let key of keys) {
      if (data) {
        if (Array.isArray(data)) {
          data = data.map((data) => getValue(data, key))
        } else {
          data = getValue(data, key)
        }
      }
    }
  }
  return data
}

module.exports = parseData