graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
80 lines (79 loc) • 3.09 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLDate = exports.GraphQLDateConfig = 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");
const validator_js_1 = require("./validator.js");
exports.GraphQLDateConfig = {
name: 'Date',
description: 'A date string, such as 2007-12-03, compliant with the `full-date` ' +
'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 (0, formatter_js_1.serializeDate)(value);
}
throw (0, error_js_1.createGraphQLError)('Date cannot represent an invalid Date instance');
}
else if (typeof value === 'string') {
if ((0, validator_js_1.validateDate)(value)) {
return value;
}
throw (0, error_js_1.createGraphQLError)(`Date cannot represent an invalid date-string ${value}.`);
}
else {
throw (0, error_js_1.createGraphQLError)('Date cannot represent a non string, or non Date type ' + JSON.stringify(value));
}
},
parseValue(value) {
if (!(typeof value === 'string')) {
throw (0, error_js_1.createGraphQLError)(`Date cannot represent non string type ${JSON.stringify(value)}`);
}
if ((0, validator_js_1.validateDate)(value)) {
return (0, formatter_js_1.parseDate)(value);
}
throw (0, error_js_1.createGraphQLError)(`Date cannot represent an invalid date-string ${value}.`);
},
parseLiteral(ast) {
if (ast.kind !== graphql_1.Kind.STRING) {
throw (0, error_js_1.createGraphQLError)(`Date cannot represent non string type ${'value' in ast && ast.value}`, { nodes: ast });
}
const { value } = ast;
if ((0, validator_js_1.validateDate)(value)) {
return (0, formatter_js_1.parseDate)(value);
}
throw (0, error_js_1.createGraphQLError)(`Date cannot represent an invalid date-string ${String(value)}.`, {
nodes: ast,
});
},
extensions: {
codegenScalarType: 'Date | string',
jsonSchema: {
type: 'string',
format: 'date',
},
},
};
/**
* An RFC 3339 compliant date scalar.
*
* Input:
* This scalar takes an RFC 3339 date string as input and
* parses it to a javascript Date.
*
* Output:
* This scalar serializes javascript Dates and
* RFC 3339 date strings to RFC 3339 date strings.
*/
exports.GraphQLDate = new graphql_1.GraphQLScalarType(exports.GraphQLDateConfig);