@graphql-tools/delegate/esm/subschemaConfig.js

A set of utils for faster development of GraphQL tools

export function isSubschemaConfig(value) {
    return Boolean(value?.schema);
}
export function cloneSubschemaConfig(subschemaConfig) {
    const newSubschemaConfig = {
        ...subschemaConfig,
        transforms: subschemaConfig.transforms != null ? [...subschemaConfig.transforms] : undefined,
    };
    if (newSubschemaConfig.merge != null) {
        newSubschemaConfig.merge = { ...subschemaConfig.merge };
        for (const typeName in newSubschemaConfig.merge) {
            const mergedTypeConfig = (newSubschemaConfig.merge[typeName] = {
                ...(subschemaConfig.merge?.[typeName] ?? {}),
            });
            if (mergedTypeConfig.entryPoints != null) {
                mergedTypeConfig.entryPoints = mergedTypeConfig.entryPoints.map(entryPoint => ({
                    ...entryPoint,
                }));
            }
            if (mergedTypeConfig.fields != null) {
                const fields = (mergedTypeConfig.fields = { ...mergedTypeConfig.fields });
                for (const fieldName in fields) {
                    fields[fieldName] = { ...fields[fieldName] };
                }
            }
        }
    }
    return newSubschemaConfig;
}