graphql-genie/lib/GraphQLUtils.js

GraphQL Genie

import { isListType, isNonNullType } from 'graphql';
export const typeIsList = (type) => {
    let isList = false;
    if (type.name && type.name.endsWith('Connection')) {
        isList = true;
    }
    while (!isList && (isListType(type) || isNonNullType(type) || type.kind === 'NON_NULL' || type.kind === 'LIST')) {
        if (isListType(type) || type.kind === 'LIST') {
            isList = true;
            break;
        }
        type = type.ofType;
    }
    return isList;
};
export const getReturnType = (type) => {
    if (isListType(type) || isNonNullType(type) || type.kind === 'NON_NULL' || type.kind === 'LIST') {
        return getReturnType(type.ofType);
    }
    else {
        return type.name;
    }
};
export class FindByUniqueError extends Error {
    constructor(message, code, properties) {
        super(message);
        if (properties) {
            Object.keys(properties).forEach(key => {
                this[key] = properties[key];
            });
        }
        // if no name provided, use the default. defineProperty ensures that it stays non-enumerable
        if (!this.name) {
            Object.defineProperty(this, 'name', { value: 'ApolloError' });
        }
        // extensions are flattened to be included in the root of GraphQLError's, so
        // don't add properties to extensions
        this.extensions = { code };
    }
}