langoustine-lsp_sjs1_3.0.0.20.source-code.runtime.scala Maven / Gradle / Ivy
/*
* Copyright 2022 Neandertech
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package langoustine.lsp
package runtime
import langoustine.*
import upickle.default.*
import scala.reflect.TypeTest
import langoustine.lsp.json.*
opaque type DocumentUri = String
object DocumentUri extends OpaqueString[DocumentUri]:
given ReadWriter[DocumentUri] =
stringCodec.asInstanceOf[ReadWriter[DocumentUri]]
given TypeTest[Any, DocumentUri] with
def unapply(i: Any) =
if i.isInstanceOf[String] then Some(i.asInstanceOf[i.type & DocumentUri])
else None
opaque type Uri = String
object Uri extends OpaqueString[Uri]:
given ReadWriter[Uri] = stringCodec.asInstanceOf[ReadWriter[Uri]]
given TypeTest[Any, Uri] with
def unapply(i: Any) =
if i.isInstanceOf[String] then Some(i.asInstanceOf[i.type & Uri])
else None
opaque type uinteger = Int
object uinteger extends OpaqueInt[uinteger]:
given ReadWriter[uinteger] = intCodec.asInstanceOf[ReadWriter[uinteger]]
given TypeTest[Any, uinteger] with
def unapply(i: Any) =
if i.isInstanceOf[Int] then Some(i.asInstanceOf[i.type & uinteger])
else None
opaque type Opt[+A] = A | Null
object Opt:
inline def empty: Opt[Nothing] = null
inline def apply[A](a: A): Opt[A] = a
given [A]: CanEqual[Opt[A], Null] = CanEqual.canEqualAny
given [A](using
rd: Reader[A]
): Reader[Opt[A]] =
jsReader.map[Opt[A]] {
case ujson.Null => empty
case other => upickle.default.read(other)(using rd)
}
given [A](using
wt: Writer[A]
): Writer[Opt[A]] =
jsWriter.comap[Opt[A]] {
case other => upickle.default.writeJs(other.asInstanceOf[A])(using wt)
case null => ujson.Null
}
end Opt