Function applyTransformation

packages/effect/src/SchemaParser.ts:1037–1069

(
  result: Effect.Effect<unknown, SchemaIssue.Issue, unknown>,
  current: unknown,
  transformation: SchemaAST.Link["transformation"],
  options: SchemaAST.ParseOptions
)

}

function applyTransformation(
  result: Effect.Effect<unknown, SchemaIssue.Issue, unknown>,
  current: unknown,
  transformation: SchemaAST.Link["transformation"],
  options: SchemaAST.ParseOptions
): Effect.Effect<unknown, SchemaIssue.Issue, unknown> {
  let transformed: Effect.Effect<Option.Option<unknown>, SchemaIssue.Issue, unknown>
  if (effectIsExit(result) && result._tag === "Success") {
    const optional = InternalParser.toOption(
      result === InternalParser.sameExit
        ? current
        : (result as InternalParser.Success<unknown, SchemaIssue.Issue>)[InternalParser.args]
    )
    transformed = transformation._tag === "Transformation"
      ? transformation.decode.run(optional, options)
      : transformation.decode(InternalParser.succeed(optional), options)
  } else if (transformation._tag === "Transformation") {
    transformed = Effect.flatMapEager(
      result,
      (value) => transformation.decode.run(InternalParser.toOption(value), options)
    )
  } else {
    transformed = transformation.decode(
      Effect.mapEager(result, InternalParser.toOption),
      options
    )
  }
  return effectIsExit(transformed) && transformed._tag === "Success"
    ? InternalParser.fromOptionExit(
      (transformed as InternalParser.Success<Option.Option<unknown>, SchemaIssue.Issue>)[InternalParser.args]
    )
    : Effect.flatMapEager(transformed, InternalParser.fromOptionExit)
}

function makeConstructorParser(descriptor: SchemaAST.ConstructorDescriptor, compile: Compiler): Parser {
  let sourceParser: Parser