ontotext-platform-custom-scalars/lib/scalars/time/GraphQLYear.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 YEAR = 'Year';
var YEAR_REGEX = /-?\d{4,}(Z|([+-])\d\d:\d\d)?/;

function validateYear(year) {
  if (!YEAR_REGEX.test(year)) {
    throw new _graphql.GraphQLError("Invalid value for '".concat(YEAR, "' - '").concat(year, "'"));
  }
}

function getYearAsStr(year) {
  return (0, _moment["default"])([year]).year().toString();
}
/**
 * Defines custom GraphQLScalarType for RFC-3339 compliant year values.
 */


var _default = new _graphql.GraphQLScalarType({
  name: YEAR,
  description: "An RFC-3339 compliant Year Scalar",
  serialize: function serialize(value) {
    if (value instanceof Date) {
      return getYearAsStr(value.getUTCFullYear().toString());
    } else if (typeof value === 'string' || value instanceof String) {
      if (!isNaN(Date.parse(value))) {
        // when the date is in ISO format we need to only the year
        return getYearAsStr(value.match(YEAR_REGEX)[0] || value);
      }

      validateYear(value);
      return getYearAsStr(value.match(YEAR_REGEX)[0] || value);
    }

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

    throw new _graphql.GraphQLError("Expected value in '".concat(YEAR, "' format, but got '").concat(JSON.stringify(value), "'."));
  },
  parseLiteral: function parseLiteral(node) {
    if (node.kind !== _graphql.Kind.STRING) {
      (0, _Utilities.throwConversionError)(node.kind, YEAR);
    }

    var value = node.value;
    validateYear(value);
    return value;
  }
});

exports["default"] = _default;