Extensions.Configuration.Resolver 0.0.4

Extensions.Configuration.Resolver

Description

This package adds functionality to Microsoft.Extensions.Configuration, to resolve substitutions within configuration entries.

Installation

dotnet add package Microsoft.Extensions.Configuration
dotnet add package Extensions.Configuration.Resolver

Usage

Examplary json configuration:

{
  "AppName": "MyApp",
  "UserSettings": "${HOMEPATH}/.{$env:AppName}/settings.json"
}

using Microsoft.Extensions.Configuration;

var configuration = new ConfigurationBuilder
    .AddJsonFile(...)
    .AddEnvironmentVariables()
    .Build();

var userSettingsResolved = configuration.ResolveValue("UserSettings");
// Returns e.g.: "C:\Users\MyUser\.MyApp\settings.json"

Remarks

Supported placeholders:

{$env:KEY}, ${KEY}, $(KEY), %KEY%