apemanerror/lib/from_tv4.js

Error parser for apeman.

/**
 * Convert errors from tv4
 * @function fromTv4
 * @see https://github.com/geraintluff/tv4
 */
'use strict'

const tv4 = require('tv4')
const ErrorCodes = require('./error_codes')
const create = require('./create')

/** @lends fromTv4 */
function fromTv4 (error, options) {
  options = options || {}
  if (!error) {
    return null
  }
  if (Array.isArray(error)) {
    return error.map((data) =>
      fromTv4(data, options)
    )
  }

  let code = fromTv4.parseCode(error.code)
  let pointer = error.dataPath
  let params = error.params
  if (params.key) {
    pointer += params.key
  }
  return create(code, pointer,
    {
      trigger: 'JSONSchema',
      context: params,
      namespace: options.namespace
    })
}

Object.assign(fromTv4, {

  parseCode (code) {
    const a = ErrorCodes
    const t = tv4.errorCodes
    switch (code) {
      case t.INVALID_TYPE:
        return a.VALUE_TYPE_INVALID_ERROR
      case t.ENUM_MISMATCH:
      case t.ANY_OF_MISSING:
      case t.ONE_OF_MISSING:
      case t.ONE_OF_MULTIPLE:
      case t.NOT_PASSED:
        return a.VALUE_ERROR
      case t.NUMBER_MULTIPLE_OF:
      case t.NUMBER_NOT_A_NUMBER:
        return a.VALUE_NUMBER_ERROR
      case t.NUMBER_MINIMUM:
      case t.NUMBER_MINIMUM_EXCLUSIVE:
        return a.VALUE_NUMBER_TOO_SMALL_ERROR
      case t.NUMBER_MAXIMUM:
      case t.NUMBER_MAXIMUM_EXCLUSIVE:
        return a.VALUE_NUMBER_TOO_LARGE_ERROR
      case t.STRING_LENGTH_SHORT:
        return a.VALUE_STRING_TOO_SHORT_ERROR
      case t.STRING_LENGTH_LONG:
        return a.VALUE_STRING_TOO_LONG_ERROR
      case t.STRING_PATTERN:
        return a.VALUE_STRING_ERROR
      case t.OBJECT_REQUIRED:
        return a.VALUE_MISSING_ERROR
      case t.OBJECT_PROPERTIES_MINIMUM:
      case t.OBJECT_PROPERTIES_MAXIMUM:
      case t.OBJECT_ADDITIONAL_PROPERTIES:
      case t.OBJECT_DEPENDENCY_KEY:
      case t.ARRAY_LENGTH_SHORT:
      case t.ARRAY_LENGTH_LONG:
      case t.ARRAY_UNIQUE:
      case t.ARRAY_ADDITIONAL_ITEMS:
      case t.FORMAT_CUSTOM:
      case t.KEYWORD_CUSTOM:
      case t.CIRCULAR_REFERENCE:
      case t.UNKNOWN_PROPERTY:
        return a.SOMETHING_WRONG_ERROR
      default:
        console.warn(`[apemanerror] Unknown tv4 error code : ${code}`)
        return a.SOMETHING_WRONG_ERROR
    }
  }
})

module.exports = fromTv4