/// <summary>
/// Gets the existing builder or creates an empty one
/// </summary>
/// <param name="ctx"></param>
/// <returns></returns>
public static ContainerBuilder GetContainerBuilder(this StartupContext ctx)
=> ctx.ContextData.GetValueOrCreate(BuilderKey, () =>
{
var builder = new ContainerBuilder();
builder.RegisterInstance(ctx).As(ctx.GetType()).SingleInstance();
return(builder);
});
/// <summary>
/// Configure autofac
/// </summary>
/// <param name="ctx"></param>
/// <param name="cfg"></param>
public static void ConfigureContainer(this StartupContext ctx, Action <ContainerBuilder> cfg)
{
ctx.ContextData.Remove(Key);// delete the built and cached container
var cb = GetContainerBuilder(ctx);
cfg(cb);
}
/// <summary> /// Gets the built container /// </summary> /// <param name="ctx"></param> /// <returns></returns> public static ILifetimeScope Container(this StartupContext ctx) => ctx.ContextData.GetValueOrCreate(Key, () => ctx.GetContainerBuilder().Build());