graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
38 lines (37 loc) • 1.39 kB
JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLUtcOffset = void 0;
const graphql_1 = require("graphql");
const error_js_1 = require("../error.js");
const UTC_OFFSET_REGEX = /^([+-]?)(\d{2}):(\d{2})$/;
const validate = (value, ast) => {
if (typeof value !== 'string') {
throw (0, error_js_1.createGraphQLError)(`Value is not string: ${value}`, ast ? { nodes: ast } : undefined);
}
if (!UTC_OFFSET_REGEX.test(value)) {
throw (0, error_js_1.createGraphQLError)(`Value is not a valid UTC Offset: ${value}`, ast ? { nodes: ast } : undefined);
}
return value;
};
exports.GraphQLUtcOffset = new graphql_1.GraphQLScalarType({
name: 'UtcOffset',
description: 'A field whose value is a UTC Offset: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones',
serialize: validate,
parseValue: validate,
parseLiteral(ast) {
if (ast.kind !== graphql_1.Kind.STRING) {
throw (0, error_js_1.createGraphQLError)(`Can only validate strings as UTC Offset but got a: ${ast.kind}`, {
nodes: ast,
});
}
return validate(ast.value, ast);
},
extensions: {
codegenScalarType: 'string',
jsonSchema: {
title: 'UtcOffset',
type: 'string',
pattern: UTC_OFFSET_REGEX.source,
},
},
});
;