apemandb/lib/converting/json_converter.js

Database for apeman project.

/**
 * @class JsonConverter
 */
'use strict'

/** @lends JsonConverter */
class JsonConverter {
  convertToGet (value) {
    return JsonConverter.fromJSONString(value) || value
  }

  convertToSet (value) {
    return JsonConverter.toJSONString(value) || value
  }
}

Object.assign(JsonConverter, {
  toJSONString (values) {
    if (typeof values === 'string') {
      return values
    }
    try {
      return JSON.stringify(values)
    } catch (e) {
      // Do nothing.
      return null
    }
  },
  fromJSONString (value) {
    if (typeof value !== 'string') {
      return value
    }
    try {
      return JSON.parse(value)
    } catch (e) {
      // Do nothing.
      return null
    }
  }
})

module.exports = JsonConverter