graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
36 lines • 1.56 kB
JavaScript
import { GraphQLScalarType } from 'graphql/type/definition';
import { GraphQLError } from 'graphql/error';
import { Kind } from 'graphql/language';
const PHONE_NUMBER_REGEX = /^\+[1-9]\d{1,14}$/;
export default new GraphQLScalarType({
name: 'PhoneNumber',
description: 'A field whose value conforms to the standard E.164 format as specified in: https://en.wikipedia.org/wiki/E.164. Basically this is +17895551234.',
serialize(value) {
if (typeof value !== 'string') {
throw new TypeError(`Value is not string: ${value}`);
}
if (!(PHONE_NUMBER_REGEX.test(value))) {
throw new TypeError(`Value is not a valid phone number of the form +17895551234 (10-15 digits): ${value}`);
}
return value;
},
parseValue(value) {
if (typeof value !== 'string') {
throw new TypeError(`Value is not string: ${value}`);
}
if (!(PHONE_NUMBER_REGEX.test(value))) {
throw new TypeError(`Value is not a valid phone number of the form +17895551234 (10-15 digits): ${value}`);
}
return value;
},
parseLiteral(ast) {
if (ast.kind !== Kind.STRING) {
throw new GraphQLError(`Can only validate strings as phone numbers but got a: ${ast.kind}`);
}
if (!(PHONE_NUMBER_REGEX.test(ast.value))) {
throw new TypeError(`Value is not a valid phone number of the form +17895551234 (10-15 digits): ${ast.value}`);
}
return ast.value;
},
});
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