ontotext-platform-custom-scalars/lib/scalars/time/GraphQLDate.js

A library of customized GraphQL scalars for Ontotext Platform

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _graphql = require("graphql");

var _Utilities = require("../Utilities");

var _moment = _interopRequireDefault(require("moment"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

var RFC_3339_REGEX = /^(-?\d{4,6}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01]))$/;
var DATE_FORMAT = "YYYY-MM-DD[T]HH:mm:ss.SSS[Z]";

function validateDate(date) {
  if (!RFC_3339_REGEX.test(date)) {
    throw new _graphql.GraphQLError("Invalid value for 'Date' - '".concat(date, "'"));
  }
}

function parseAndFormat(value) {
  var date = (0, _moment["default"])(value);
  return "".concat(date.format("Y"), "-").concat(date.format("MM"), "-").concat(date.format("DD"));
}
/**
 * Defines custom GraphQLScalarType for RFC-3339 compliant Full Date values.
 */


var _default = new _graphql.GraphQLScalarType({
  name: "Date",
  description: "An RFC-3339 compliant Full Date Scalar",
  serialize: function serialize(value) {
    if (value instanceof Date) {
      return parseAndFormat(value);
    } else if (typeof value === 'string' || value instanceof String) {
      if (RFC_3339_REGEX.test(value)) {
        return value;
      }

      if (!isNaN(Date.parse(value))) {
        return parseAndFormat(value);
      }
    }

    throw new _graphql.GraphQLError("Expected '".concat(this.name, "' value, but got '").concat(JSON.stringify(value), "'."));
  },
  parseValue: function parseValue(value) {
    if (typeof value === 'string' || value instanceof String) {
      validateDate(value);

      if (!isNaN(Date.parse(value))) {
        return (0, _moment["default"])(value).format(DATE_FORMAT);
      }
    }

    throw new _graphql.GraphQLError("Expected value in '".concat(this.name, "' format, but got '").concat(JSON.stringify(value), "'."));
  },
  parseLiteral: function parseLiteral(node) {
    var type = node.kind;

    if (type !== _graphql.Kind.STRING) {
      (0, _Utilities.throwConversionError)(type, this.name);
    }

    var dateStr = node.value;
    validateDate(dateStr);
    return (0, _moment["default"])(dateStr).format(DATE_FORMAT);
  }
});

exports["default"] = _default;