graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
30 lines • 1.09 kB
JavaScript
import { GraphQLScalarType } from 'graphql/type/definition';
import { GraphQLError } from 'graphql/error';
import { Kind } from 'graphql/language';
const MAC_REGEX = /^(?:[0-9A-Fa-f]{2}([:-]?)[0-9A-Fa-f]{2})(?:(?:\1|\.)(?:[0-9A-Fa-f]{2}([:-]?)[0-9A-Fa-f]{2})){2}$/;
const validate = (value) => {
if (typeof value !== 'string') {
throw new TypeError(`Value is not string: ${value}`);
}
if (!(MAC_REGEX.test(value))) {
throw new TypeError(`Value is not a valid MAC address: ${value}`);
}
return value;
};
export default new GraphQLScalarType({
name: `MAC`,
description: `A field whose value is a IEEE 802 48-bit MAC address: https://en.wikipedia.org/wiki/MAC_address.`,
serialize(value) {
return validate(value);
},
parseValue(value) {
return validate(value);
},
parseLiteral(ast) {
if (ast.kind !== Kind.STRING) {
throw new GraphQLError(`Can only validate strings as MAC addresses but got a: ${ast.kind}`);
}
return validate(ast.value);
}
});
//# sourceMappingURL=MAC.js.map