lucuma.ui.syntax.util.scala Maven / Gradle / Ivy

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// Copyright (c) 2016-2022 Association of Universities for Research in Astronomy, Inc. (AURA)
// For license information see LICENSE or https://opensource.org/licenses/BSD-3-Clause

package lucuma.ui.syntax

import cats.Monoid
import japgolly.scalajs.react.Callback
import japgolly.scalajs.react.React
import japgolly.scalajs.react.vdom.html_<^.*
import react.common.EnumValue

import scala.scalajs.js

trait util:
  extension [A](a: A | Unit)(using ev: EnumValue[A])
    def undefToJs: js.UndefOr[String] = a.map(ev.value)

  given Monoid[VdomNode] = new Monoid[VdomNode]:
    val empty: VdomNode = EmptyVdom
    def combine(x: VdomNode, y: VdomNode): VdomNode = React.Fragment(x, y)

  extension (c: Callback.type) def pprintln[T](a: T): Callback = Callback(_root_.pprint.pprintln(a))

object util extends util