validating/validator.js

  1. 'use strict'
  3. const DashValidator = require('./charCodeValidator/dashValidator')
  4. const AtValidator = require('./charCodeValidator/atValidator')
  5. const BlankSpaceValidator = require('./charCodeValidator/blankSpaceValidator')
  6. const DotValidator = require('./charCodeValidator/dotValidator')
  7. const ForwardSlashValidator = require('./charCodeValidator/forwardSlashValidator')
  8. const LowerCaseValidator = require('./charCodeValidator/lowercaseLetterValidator')
  9. const RoundBracketValidator = require('./charCodeValidator/roundBracketValidator')
  10. const CurlyBracketValidator = require('./charCodeValidator/curlyBracketValidator')
  11. const UpperCaseValidator = require('./charCodeValidator/uppercaseLetterValidator')
  12. const DigitsValidator = require('./charCodeValidator/digitsValidator')
  14. /** */
  15. class CharacterValidator {
  17.     constructor(validators) {
  18.         this._validators = validators
  19.     }
  21.     static get Builder() {
  23.         return Builder
  24.     }
  26.     /** 
  27.      * Checks if a string contains a valid or invalid character at a given index. This check is very strict
  28.      * and may be simplified in the future
  29.      * @param {String} string the string that contains the character to be validated
  30.      * @param {Number} index the index of the character
  31.      * @returns {boolean} true if the character is a valid character, false if not
  32.     */
  33.     isValid(string, index) {
  34.         return this._validators.some(validator => validator.isValid(string, index))
  35.     }
  36. }
  38. /** 
  39.  * @memberof Validator
  40.  * @private 
  41.  * */
  42. class Builder {
  44.     constructor() {
  45.         this._validators = []
  46.     }
  48.     allowDash() {
  49.         this._validators.push(new DashValidator())
  50.         return this
  51.     }
  53.     /** */
  54.     allowAt() {
  55.         this._validators.push(new AtValidator())
  56.         return this
  57.     }
  59.     /** */
  60.     allowBlank() {
  61.         this._validators.push(new BlankSpaceValidator())
  62.         return this
  63.     }
  65.     /** */
  66.     allowDot() {
  67.         this._validators.push(new DotValidator())
  68.         return this
  69.     }
  71.     /** */
  72.     allowForwardSlash() {
  73.         this._validators.push(new ForwardSlashValidator())
  74.         return this
  75.     }
  77.     /** */
  78.     allowRoundBrackets() {
  79.         this._validators.push(new RoundBracketValidator())
  80.         return this
  81.     }
  83.     /** */
  84.     allowCurlyBrackets() {
  85.         this._validators.push(new CurlyBracketValidator())
  86.         return this
  87.     }
  89.     /** */
  90.     allowUpperCaseLetters() {
  91.         this._validators.push(new UpperCaseValidator())
  92.         return this
  93.     }
  95.     /** */
  96.     allowLowerCaseLetters() {
  97.         this._validators.push(new LowerCaseValidator())
  98.         return this
  99.     }
  101.     allowDigits() {
  102.         this._validators.push(new DigitsValidator())
  103.         return this
  104.     }
  106.     /** */
  107.     build() {
  108.         return new CharacterValidator(this._validators)
  109.     }
  110. }
  112. module.exports = CharacterValidator