Pat Garrity
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20 lines
540 B
Scala
20 lines
540 B
Scala
package gs.config.v0.source
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import cats.effect.Sync
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import gs.config.v0.ConfigKey
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/** Environment variable implementation of [[ConfigSource]]. Pulls all values
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* from the system environment that was passed to this process.
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*/
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final class EnvironmentConfigSource[F[_]: Sync] extends ConfigSource[F]:
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/** @inheritDocs
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*/
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override def getValue(
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key: ConfigKey[?]
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): F[Option[String]] =
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Sync[F].delay(sys.env.get(key.name.toEnvironmentVariable()))
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/** @inheritDocs
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*/
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override val name: String = "environment"
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