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zio.config.yaml

YamlConfigSource

object YamlConfigSource

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  9. def fromYamlFile(file: File): config.ConfigSource

    Retrieve a ConfigSource from yaml path.

    Retrieve a ConfigSource from yaml path.

    A complete example usage:

    case class MyConfig(port: Int, url: String)
    
    val result: Either[ReadError[String], MyConfig] =
      YamlConfigSource.fromYamlFile(new File("/path/to/file.yaml"))
        .flatMap(source => read(descriptor[MyConfig] from source)))
  10. def fromYamlPath(path: Path): config.ConfigSource

    Retrieve a ConfigSource from yaml path.

    Retrieve a ConfigSource from yaml path.

    A complete example usage:

    case class MyConfig(port: Int, url: String)
    
    val result: Either[ReadError[String], MyConfig] =
      YamlConfigSource.fromYamlPath(Path.of("/path/to/file.yaml"))
        .flatMap(source => read(descriptor[MyConfig] from source)))
  11. def fromYamlReader(reader: Reader, sourceName: String = "yaml"): config.ConfigSource

    Retrieve a ConfigSource from yaml reader.

    Retrieve a ConfigSource from yaml reader.

    A complete example usage:

    import zio.*
    import scala.io.Source
    import java.io.InputStreamReader
    import zio.config.yaml.YamlConfigSource
    
    case class MyConfig(port: Int, url: String)
    
    def acquire(yamlResourcePath: String) = ZIO.effect(Source.fromResource(yamlResourcePath).reader)
    def release(reader: InputStreamReader) = ZIO.effectTotal(reader.close())
    
    val myConfig: InputStreamReader => IO[ReadError[String], MyConfig] = reader =>
      IO.fromEither(
         for {
           source <- YamlConfigSource.fromYamlReader(reader)
           myConfig <- read(descriptor[MyConfig] from source)
         } yield myConfig
      )
    
    val result: Task[MyConfig] = ZManaged.make(acquire("relative/path/to/your/application/resource.yml"))(release).use(myConfig)
  12. def fromYamlString(yamlString: String, sourceName: String = "yaml"): config.ConfigSource

    Retrieve a ConfigSource from yaml path.

    Retrieve a ConfigSource from yaml path.

    A complete example usage:

    val yamlString = ???
    
    case class MyConfig(port: Int, url: String)
    
    val result: Either[ReadError[String], MyConfig] =
      YamlConfigSource.fromYamlString(yamlString))
        .flatMap(source => read(descriptor[MyConfig] from source)))
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