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package com.lihaoyi.workbench
import upickle.Js
import upickle.default
import upickle.default.{Reader, Writer}
import upickle.json
import org.scalajs.dom
import org.scalajs.dom.ext._
import scala.scalajs.js
import scala.scalajs.js.annotation.JSExport
import scalajs.concurrent.JSExecutionContext.Implicits.queue
import org.scalajs.dom.raw._
/**
* The connection from workbench server to the client
*/
object Wire extends autowire.Server[Js.Value, Reader, Writer] with ReadWrite{
def wire(parsed: Js.Arr): Unit = {
val Js.Arr(path, args: Js.Obj) = parsed
val req = new Request(default.readJs[Seq[String]](path), args.value.toMap)
Wire.route[Api](WorkbenchClient).apply(req)
}
}
@JSExport
object WorkbenchClient extends Api{
@JSExport
lazy val shadowBody = dom.document.body.cloneNode(deep = true)
@JSExport
var interval = 1000
@JSExport
var success = false
@JSExport
def main(host: String, port: Int): Unit = {
def rec(): Unit = {
Ajax.post(s"http://$host:$port/notifications").onComplete {
case util.Success(data) =>
if (!success) println("Workbench connected")
success = true
interval = 1000
json.read(data.responseText)
.asInstanceOf[Js.Arr]
.value
.foreach(v => Wire.wire(v.asInstanceOf[Js.Arr]))
rec()
case util.Failure(e) =>
if (success) println("Workbench disconnected " + e)
success = false
interval = math.min(interval * 2, 30000)
dom.window.setTimeout(() => rec(), interval)
}
}
// Trigger shadowBody to get captured when the page first loads
dom.window.addEventListener("load", (event: dom.Event) => {
dom.console.log("Loading Workbench")
shadowBody
rec()
})
}
@JSExport
override def clear(): Unit = {
dom.document.asInstanceOf[js.Dynamic].body = shadowBody.cloneNode(true)
for(i <- 0 until 100000){
dom.window.clearTimeout(i)
dom.window.clearInterval(i)
}
}
@JSExport
override def reload(): Unit = {
dom.console.log("Reloading page...")
dom.window.location.reload()
}
@JSExport
override def run(path: String): Unit = {
val tag = dom.document.createElement("script").asInstanceOf[HTMLElement]
tag.setAttribute("src", path)
dom.document.head.appendChild(tag)
}
@JSExport
override def print(level: String, msg: String): Unit = {
level match {
case "error" => dom.console.error(msg)
case "warn" => dom.console.warn(msg)
case "info" => dom.console.info(msg)
case "log" => dom.console.log(msg)
}
}
}
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