graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
98 lines (97 loc) • 3.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLDateTime = exports.GraphQLDateTimeConfig = void 0;
/**
* 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.
*
*/
const graphql_1 = require("graphql");
const error_js_1 = require("../../error.js");
const formatter_js_1 = require("./formatter.js");
// eslint-disable-line
const validator_js_1 = require("./validator.js");
exports.GraphQLDateTimeConfig = {
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(value) {
if (value instanceof Date) {
if ((0, validator_js_1.validateJSDate)(value)) {
return value;
}
throw (0, error_js_1.createGraphQLError)('DateTime cannot represent an invalid Date instance');
}
else if (typeof value === 'string') {
if ((0, validator_js_1.validateDateTime)(value)) {
return (0, formatter_js_1.parseDateTime)(value);
}
throw (0, error_js_1.createGraphQLError)(`DateTime cannot represent an invalid date-time-string ${value}.`);
}
else if (typeof value === 'number') {
try {
return new Date(value);
}
catch (_a) {
throw (0, error_js_1.createGraphQLError)('DateTime cannot represent an invalid Unix timestamp ' + value);
}
}
else {
throw (0, error_js_1.createGraphQLError)('DateTime cannot be serialized from a non string, ' +
'non numeric or non Date type ' +
JSON.stringify(value));
}
},
parseValue(value) {
if (value instanceof Date) {
if ((0, validator_js_1.validateJSDate)(value)) {
return value;
}
throw (0, error_js_1.createGraphQLError)('DateTime cannot represent an invalid Date instance');
}
if (typeof value === 'string') {
if ((0, validator_js_1.validateDateTime)(value)) {
return (0, formatter_js_1.parseDateTime)(value);
}
throw (0, error_js_1.createGraphQLError)(`DateTime cannot represent an invalid date-time-string ${value}.`);
}
throw (0, error_js_1.createGraphQLError)(`DateTime cannot represent non string or Date type ${JSON.stringify(value)}`);
},
parseLiteral(ast) {
if (ast.kind !== graphql_1.Kind.STRING) {
throw (0, error_js_1.createGraphQLError)(`DateTime cannot represent non string or Date type ${'value' in ast && ast.value}`, {
nodes: ast,
});
}
const { value } = ast;
if ((0, validator_js_1.validateDateTime)(value)) {
return (0, formatter_js_1.parseDateTime)(value);
}
throw (0, error_js_1.createGraphQLError)(`DateTime cannot represent an invalid date-time-string ${String(value)}.`, { nodes: ast });
},
extensions: {
codegenScalarType: 'Date | string',
jsonSchema: {
type: 'string',
format: 'date-time',
},
},
};
/**
* 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.
*/
exports.GraphQLDateTime = new graphql_1.GraphQLScalarType(exports.GraphQLDateTimeConfig);