Add LatestHTMLEvents.of

LatestEvent/build.sbt

@@ -0,0 +1,13 @@
+enablePlugins(ScalaJSPlugin)
+
+import Ordering.Implicits._
+
+libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "1.2.0"
+
+libraryDependencies += {
+ if (VersionNumber(scalaVersion.value).numbers >= Seq(2L, 13L)) {
+ "com.thoughtworks.binding" %%% "binding" % "12.1.0"
+ } else {
+ "com.thoughtworks.binding" %%% "binding" % "11.9.0"
+ }
+}

LatestHTMLEvents/build.sbt

@@ -0,0 +1,35 @@
+enablePlugins(ScalaJSBundlerPlugin)
+
+enablePlugins(ScalaJSPlugin)
+
+enablePlugins(Example)
+
+libraryDependencies += "org.scalatest" %%% "scalatest" % "3.2.10" % Test
+
+libraryDependencies += "org.lrng.binding" %%% "html" % "1.0.3"
+
+Test / requireJsDomEnv := true
+
+import Ordering.Implicits._
+
+publish / skip := VersionNumber(scalaBinaryVersion.value).numbers < Seq(2L, 12L)
+
+// Enable macro annotations by setting scalac flags for Scala 2.13
+scalacOptions ++= {
+ import Ordering.Implicits._
+ if (VersionNumber(scalaVersion.value).numbers >= Seq(2L, 13L)) {
+ Seq("-Ymacro-annotations")
+ } else {
+ Nil
+ }
+}
+
+// Enable macro annotations by adding compiler plugins for Scala 2.11 and 2.12
+libraryDependencies ++= {
+ import Ordering.Implicits._
+ if (VersionNumber(scalaVersion.value).numbers >= Seq(2L, 13L)) {
+ Nil
+ } else {
+ Seq(compilerPlugin("org.scalamacros" % "paradise" % "2.1.1" cross CrossVersion.full))
+ }
+}

LatestHTMLEvents/src/main/scala/com/thoughtworks/binding/LatestHTMLEvents.scala

@@ -0,0 +1,60 @@
+package com.thoughtworks.binding
+
+import org.scalajs.dom.raw.EventTarget
+import org.scalajs.dom.Event
+import org.lrng.binding.html.NodeBinding.Interpolated.MountPointBuilder
+import scala.scalajs.js
+import org.scalajs.dom.Element
+import org.lrng.binding.html.AttributeFactory
+import com.thoughtworks.binding.bindable.Bindable
+
+/** Including [[LatestHTMLEvents.of]], which automatically infers the event type based on the type class defined in
+ * [[org.lrng.binding.html]]
+ *
+ * @example
+ * Given an HTML button element,
+ * {{{
+ * import org.lrng.binding.html, html.autoImports.xml.attributes
+ * import org.scalajs.dom.MouseEvent
+ * @html val myButton = <button>Click me!</button>
+ * }}}
+ *
+ * when creating the latest click event binding with the help of [[LatestHTMLEvents.of]],
+ *
+ * {{{
+ * val latestClickEvent = LatestHTMLEvents.of(myButton.value, attributes.onclick)
+ * }}}
+ *
+ * the event type should be inferred as [[org.scalajs.dom.MouseEvent]],
+ *
+ * {{{
+ * val _ = latestClickEvent: LatestEvent[MouseEvent]
+ * }}}
+ *
+ * and the `MouseEvent` properties, like `clientX`, can be used in the derived [[Binding]]s
+ *
+ * {{{
+ * def clientXBinding = Binding {
+ * val mouseEvent: Option[MouseEvent] = latestClickEvent.bind
+ * mouseEvent.map(_.clientX)
+ * }
+ * }}}
+ */
+object LatestHTMLEvents {
+
+ def of[E <: org.scalajs.dom.Element, AttributeObject <: AttributeFactory.Typed, InferredEvent <: Event](
+ target: E,
+ attribute: AttributeObject
+ )(implicit
+ mountPointBuilder: MountPointBuilder[E, AttributeObject, js.Function1[InferredEvent, _]]
+ ): LatestEvent[InferredEvent] = {
+ val propertyName = attribute.getClass.getSimpleName
+ if (propertyName.startsWith("on") && propertyName.endsWith("$")) {
+ return new LatestEvent(target, propertyName.substring("on".length(), propertyName.length() - "$".length()))
+ } else {
+ throw new IllegalArgumentException(
+ "attribute must be an object defined in [[org.lrng.binding.html.autoImports.xml.attributes]] whose name starts with \"on\""
+ )
+ }
+ }
+}

build.sbt

@@ -1,21 +1,11 @@
 ThisBuild / organization := "com.thoughtworks.binding"
 
-name := "LatestEvent"
+ThisBuild / evictionErrorLevel := Level.Info
 
-enablePlugins(ScalaJSPlugin)
+lazy val LatestEvent = project
 
-import Ordering.Implicits._
+lazy val LatestHTMLEvents = project.dependsOn(LatestEvent)
 
-if (VersionNumber(scalaJSVersion).numbers >= Seq(1L)) {
- libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "2.0.0"
-} else {
- libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "1.2.0"
-}
+publish / skip := true
 
-libraryDependencies += {
- if (VersionNumber(scalaVersion.value).numbers >= Seq(2L, 13L)) {
- "com.thoughtworks.binding" %%% "binding" % "12.1.0"
- } else {
- "com.thoughtworks.binding" %%% "binding" % "11.9.0"
- }
-}
+enablePlugins(ScalaUnidocPlugin)

project/plugins.sbt

@@ -13,3 +13,5 @@ addSbtPlugin("com.thoughtworks.example" % "sbt-example" % "8.1.0")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.7.1")
 
 addSbtPlugin("com.thoughtworks.sbt-scala-js-map" % "sbt-scala-js-map" % "4.1.0")
+
+addSbtPlugin("ch.epfl.scala" % "sbt-scalajs-bundler" % "0.20.0")

project/plugins.sbt.scalajs06

@@ -4,3 +4,9 @@ dependencyOverrides += Defaults.sbtPluginExtra(
  sbtBinaryVersion.value,
  scalaBinaryVersion.value,
 )
+
+dependencyOverrides += Defaults.sbtPluginExtra(
+ "ch.epfl.scala" % "sbt-scalajs-bundler" % "0.15.0-0.6",
+ sbtBinaryVersion.value,
+ scalaBinaryVersion.value,
+)