to-json-schema/lib/jsonSchemaHelpers.js

Convert JS object to JSON Schema

'use strict'; // content of this file is extracted from jsonschema source

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

var types = {
  string: function testString(instance) {
    return typeof instance === 'string';
  },
  number: function testNumber(instance) {
    // isFinite returns false for NaN, Infinity, and -Infinity
    return typeof instance === 'number' && isFinite(instance); // eslint-disable-line no-restricted-globals
  },
  integer: function testInteger(instance) {
    return typeof instance === 'number' && instance % 1 === 0;
  },
  "boolean": function testBoolean(instance) {
    return typeof instance === 'boolean';
  },
  array: function testArray(instance) {
    return instance instanceof Array;
  },
  "null": function testNull(instance) {
    return instance === null;
  },
  date: function testDate(instance) {
    return instance instanceof Date;
  },
  any:
  /* istanbul ignore next: not using this but keeping it here for sake of completeness */
  function testAny(instance) {
    // eslint-disable-line no-unused-vars
    return true;
  },
  object: function testObject(instance) {
    return instance && _typeof(instance) === 'object' && !(instance instanceof Array) && !(instance instanceof Date);
  }
};
var FORMAT_REGEXPS = {
  'date-time': /^\d{4}-(?:0[0-9]{1}|1[0-2]{1})-(3[01]|0[1-9]|[12][0-9])[tT ](2[0-4]|[01][0-9]):([0-5][0-9]):(60|[0-5][0-9])(\.\d+)?([zZ]|[+-]([0-5][0-9]):(60|[0-5][0-9]))$/,
  date: /^\d{4}-(?:0[0-9]{1}|1[0-2]{1})-(3[01]|0[1-9]|[12][0-9])$/,
  time: /^(2[0-4]|[01][0-9]):([0-5][0-9]):(60|[0-5][0-9])$/,
  email: /^(?:[\w!#$%&'*+-/=?^`{|}~]+\.)*[\w!#$%&'*+-/=?^`{|}~]+@(?:(?:(?:[a-zA-Z0-9](?:[a-zA-Z0-9-](?!\.)){0,61}[a-zA-Z0-9]?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-](?!$)){0,61}[a-zA-Z0-9]?)|(?:\[(?:(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$/,
  'ip-address': /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/,
  ipv6: /^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/,
  uri: /^[a-zA-Z][a-zA-Z0-9+-.]*:[^\s]*$/,
  color: /^(#?([0-9A-Fa-f]{3}){1,2}\b|aqua|black|blue|fuchsia|gray|green|lime|maroon|navy|olive|orange|purple|red|silver|teal|white|yellow|(rgb\(\s*\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b\s*,\s*\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b\s*,\s*\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b\s*\))|(rgb\(\s*(\d?\d%|100%)+\s*,\s*(\d?\d%|100%)+\s*,\s*(\d?\d%|100%)+\s*\)))$/,
  // hostname regex from: http://stackoverflow.com/a/1420225/5628
  hostname: /^(?=.{1,255}$)[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?(?:\.[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?)*\.?$/,
  'host-name': /^(?=.{1,255}$)[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?(?:\.[0-9A-Za-z](?:(?:[0-9A-Za-z]|-){0,61}[0-9A-Za-z])?)*\.?$/,
  alpha: /^[a-zA-Z]+$/,
  alphanumeric: /^[a-zA-Z0-9]+$/,
  'utc-millisec': function utcMillisec(input) {
    return typeof input === 'string' && parseFloat(input) === parseInt(input, 10) && !isNaN(input);
  },
  // eslint-disable-line no-restricted-globals
  regex
  /* istanbul ignore next: not supporting regex right now */
  : function regex(input) {
    // eslint-disable-line space-before-function-paren
    var result = true;

    try {
      new RegExp(input); // eslint-disable-line no-new
    } catch (e) {
      result = false;
    }

    return result;
  },
  style: /\s*(.+?):\s*([^;]+);?/g,
  phone: /^\+(?:[0-9] ?){6,14}[0-9]$/
};
FORMAT_REGEXPS.regexp = FORMAT_REGEXPS.regex;
FORMAT_REGEXPS.pattern = FORMAT_REGEXPS.regex;
FORMAT_REGEXPS.ipv4 = FORMAT_REGEXPS['ip-address'];

var isFormat = function isFormat(input, format) {
  if (typeof input === 'string' && FORMAT_REGEXPS[format] !== undefined) {
    if (FORMAT_REGEXPS[format] instanceof RegExp) {
      return FORMAT_REGEXPS[format].test(input);
    }

    if (typeof FORMAT_REGEXPS[format] === 'function') {
      return FORMAT_REGEXPS[format](input);
    }
  }

  return true;
};

module.exports = {
  types: types,
  isFormat: isFormat,
  FORMAT_REGEXPS: FORMAT_REGEXPS
};