graphql-iso-date
Version:
A set of RFC 3339 compliant date/time GraphQL scalar types.
78 lines (70 loc) • 2.93 kB
JavaScript
Object.defineProperty(exports, "__esModule", {
value: true
});
var _graphql = require('graphql');
var _utils = require('../utils');
/**
* An RFC 3339 compliant date-time scalar.
*
* Input:
* This scalar takes an RFC 3339 date-time string as input and
* parses it to a javascript Date.
*
* Output:
* This scalar serializes javascript Dates,
* RFC 3339 date-time strings and unix timestamps
* to RFC 3339 UTC date-time strings.
*/
/**
* Copyright (c) 2017, Dirk-Jan Rutten
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
var config = {
name: 'DateTime',
description: 'A date-time string at UTC, such as 2007-12-03T10:15:30Z, ' + 'compliant with the `date-time` format outlined in section 5.6 of ' + 'the RFC 3339 profile of the ISO 8601 standard for representation ' + 'of dates and times using the Gregorian calendar.',
serialize: function serialize(value) {
if (value instanceof Date) {
if ((0, _utils.validateJSDate)(value)) {
return (0, _utils.serializeDateTime)(value);
}
throw new TypeError('DateTime cannot represent an invalid Date instance');
} else if (typeof value === 'string' || value instanceof String) {
if ((0, _utils.validateDateTime)(value)) {
return (0, _utils.serializeDateTimeString)(value);
}
throw new TypeError('DateTime cannot represent an invalid date-time-string ' + value + '.');
} else if (typeof value === 'number' || value instanceof Number) {
if ((0, _utils.validateUnixTimestamp)(value)) {
return (0, _utils.serializeUnixTimestamp)(value);
}
throw new TypeError('DateTime cannot represent an invalid Unix timestamp ' + value);
} else {
throw new TypeError('DateTime cannot be serialized from a non string, ' + 'non numeric or non Date type ' + JSON.stringify(value));
}
},
parseValue: function parseValue(value) {
if (!(typeof value === 'string' || value instanceof String)) {
throw new TypeError('DateTime cannot represent non string type ' + JSON.stringify(value));
}
if ((0, _utils.validateDateTime)(value)) {
return (0, _utils.parseDateTime)(value);
}
throw new TypeError('DateTime cannot represent an invalid date-time-string ' + value + '.');
},
parseLiteral: function parseLiteral(ast) {
if (ast.kind !== _graphql.Kind.STRING) {
throw new TypeError('DateTime cannot represent non string type ' + String(ast.value != null ? ast.value : null));
}
var value = ast.value;
if ((0, _utils.validateDateTime)(value)) {
return (0, _utils.parseDateTime)(value);
}
throw new TypeError('DateTime cannot represent an invalid date-time-string ' + String(value) + '.');
}
}; // eslint-disable-line
exports.default = new _graphql.GraphQLScalarType(config);
;