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copypaste calico example running.

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fiatjaf 2023-03-18 20:41:54 -03:00
parent 9366b3820a
commit b54ae5f8fb
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4 changed files with 70 additions and 7 deletions
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2
.scalafmt.conf
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@ -1,2 +1,2 @@
version = 3.4.3
runner.dialect = scala213
runner.dialect = scala3

6
build.sbt
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@ -1,9 +1,9 @@
enablePlugins(ScalaJSPlugin)
enablePlugins(ScalaJSPlugin, EsbuildPlugin)
name := "nostr-army-knife"
scalaVersion := "2.13.7"
scalaVersion := "3.2.2"
scalaJSUseMainModuleInitializer := true
libraryDependencies += "com.armanbilge" %%% "calico" % "0.2.0-RC2"
libraryDependencies += "com.fiatjaf" %%% "snow" % "0.2.0-RC2"
libraryDependencies += "com.fiatjaf" %%% "snow" % "0.0.1-SNAPSHOT"

7
index.html
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@ -1,6 +1,7 @@
<meta charset=utf-8>
<title>nostr army knife</title>
<script src="https://cdn.tailwindcss.com"></script>
<body class="bg-amber-600 text-white m-0">
<main id="main" />
<script src=/target/esbuild/bundle.js></script>
<body class="bg-emerald-200 text-black m-0">
<div id="app"></div>
<script type="module" src="/target/esbuild/bundle.js"></script>
</body>

62
src/main/scala/Main.scala
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@ -1 +1,63 @@
import calico.*
import calico.html.io.{*, given}
import calico.syntax.*
import calico.unsafe.given
import cats.effect.*
import cats.effect.syntax.all.*
import cats.syntax.all.*
import fs2.*
import fs2.concurrent.*
import fs2.dom.*
object Main extends IOWebApp {
def Counter(
label: String,
initialStep: Int
): Resource[IO, HtmlDivElement[IO]] =
SignallingRef[IO]
.of(initialStep)
.product(Channel.unbounded[IO, Int])
.toResource
.flatMap { (step, diff) =>
val allowedSteps = List(1, 2, 3, 5, 10)
div(
p(
"Step: ",
select.withSelf { self =>
(
allowedSteps
.map(step => option(value := step.toString, step.toString)),
value <-- step.map(_.toString),
onChange --> {
_.evalMap(_ => self.value.get)
.map(_.toIntOption)
.unNone
.foreach(step.set)
}
)
}
),
p(
label + ": ",
b(diff.stream.scanMonoid.map(_.toString).holdOptionResource),
" ",
button(
"-",
onClick --> {
_.evalMap(_ => step.get).map(-1 * _).foreach(diff.send(_).void)
}
),
button(
"+",
onClick --> (_.evalMap(_ => step.get).foreach(diff.send(_).void))
)
)
)
}
def render: Resource[IO, HtmlDivElement[IO]] = div(
h1("Let's count!"),
Counter("Sheep", initialStep = 3)
)
}