function stringifySourceInfo(source) {
    switch(source.type){
        case 0:
            return `runtime for chunk ${source.chunkPath}`;
        case 1:
            return `parent module ${source.parentId}`;
        default:
            invariant(source, (source)=>`Unknown source type: ${source?.type}`);
    }
}
The module was instantiated because a parent module imported it.