/// <summary>
/// Adds environment variables to the application
/// </summary>
/// <param name="serviceCollection"></param>
/// <param name="configureOptions"></param>
/// <returns></returns>
public static IServiceCollection AddEnvironment(this IServiceCollection serviceCollection, Action <EnvironmentOptions> configureOptions = null)
{
// configure environment variable options
var options = new EnvironmentOptions();
configureOptions?.Invoke(options);
serviceCollection.AddSingleton(options);
// add environment to the
serviceCollection.TryAdd(ServiceDescriptor.Scoped <IEnvironment, Environment>());
return(serviceCollection);
}
/// <summary>
/// Instantiates an <see cref="Environment"/>
/// </summary>
/// <param name="options"></param>
public Environment(EnvironmentOptions options)
{
Options = options;
VariableProviders = Options.VariableProviders.Concat(Options.VariableProviderFactories.Select(f => f(this))).ToList();
}