graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
47 lines (46 loc) • 1.52 kB
JavaScript
import { GraphQLScalarType, Kind } from 'graphql';
import { createGraphQLError } from '../error.js';
const CUID_REGEX = /^c[^\s-]{8,}$/i;
const validate = (value, ast) => {
if (typeof value !== 'string') {
throw createGraphQLError(`Value is not string: ${value}`, ast
? {
nodes: ast,
}
: undefined);
}
if (!CUID_REGEX.test(value)) {
throw createGraphQLError(`Value is not a valid cuid: ${value}`, ast
? {
nodes: ast,
}
: undefined);
}
return value;
};
const specifiedByURL = 'https://github.com/ericelliott/cuid#broken-down';
export const GraphQLCuidConfig = /*#__PURE__*/ {
name: 'Cuid',
description: 'A field whose value conforms to the standard cuid format as specified in https://github.com/ericelliott/cuid#broken-down',
serialize: validate,
parseValue: validate,
parseLiteral(ast) {
if (ast.kind !== Kind.STRING) {
throw createGraphQLError(`Can only validate strings as cuids but got a: ${ast.kind}`, {
nodes: [ast],
});
}
return validate(ast.value, ast);
},
specifiedByURL,
specifiedByUrl: specifiedByURL,
extensions: {
codegenScalarType: 'string',
jsonSchema: {
title: 'Cuid',
type: 'string',
pattern: CUID_REGEX.source,
},
},
};
export const GraphQLCuid = /*#__PURE__*/ new GraphQLScalarType(GraphQLCuidConfig);