ontotext-platform-custom-scalars/lib/scalars/time/GraphQLYearMonth.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_MONTH = 'YearMonth';
var YEAR_MONTH_REGEX = /^-?\d*-(0?[1-9]|1[012])(?:Z|([+-])\d\d:\d\d)?$/;

function validateYearMonth(yearMonth) {
  if (!YEAR_MONTH_REGEX.test(yearMonth)) {
    throw new _graphql.GraphQLError("Invalid value for '".concat(YEAR_MONTH, "' - '").concat(yearMonth, "'"));
  }
}
/**
 * Builds 'yyyy-mm' format for the passed date. If the month is a single digit, to it will be added leading zero.
 *
 * @param value to retrieve the year and the month
 * @returns {string}
 */


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


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

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

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

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

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

exports["default"] = _default;