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‎build.sbt‎

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ThisBuild / scalaVersion := "3.2.1"
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lazy val hello = (project in file("."))
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.enablePlugins(ScalaJSPlugin, ScalablyTypedConverterPlugin)
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.settings(
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name := "Scala.js Tutorial",
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scalaJSUseMainModuleInitializer := true,
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libraryDependencies += "org.rogach" %%% "scallop" % "4.1.0",
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libraryDependencies += "com.lihaoyi" %%% "utest" % "0.8.1" % "test",
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testFrameworks += new TestFramework("utest.runner.Framework"),
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Compile / npmDependencies ++= Seq(
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"@types/node" -> "18.11.18"
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),
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stOutputPackage := "typings"
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)
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// This is an application with a main method
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//
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// Add support for the DOM in `run` and `test`
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//jsEnv := new org.scalajs.jsenv.jsdomnodejs.JSDOMNodeJSEnv()
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// uTest settings

‎project/build.properties‎

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sbt.version=1.8.0

‎project/metals.sbt‎

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// DO NOT EDIT! This file is auto-generated.
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// This file enables sbt-bloop to create bloop config files.
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addSbtPlugin("ch.epfl.scala" % "sbt-bloop" % "1.5.6")
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‎project/plugins.sbt‎

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addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.12.0")
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addSbtPlugin("org.scalablytyped.converter" % "sbt-converter" % "1.0.0-beta40")
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//libraryDependencies += "org.scala-js" %% "scalajs-env-jsdom-nodejs" % "1.1.0"

‎project/project/metals.sbt‎

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// DO NOT EDIT! This file is auto-generated.
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// This file enables sbt-bloop to create bloop config files.
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addSbtPlugin("ch.epfl.scala" % "sbt-bloop" % "1.5.6")
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‎project/project/project/metals.sbt‎

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// DO NOT EDIT! This file is auto-generated.
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// This file enables sbt-bloop to create bloop config files.
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addSbtPlugin("ch.epfl.scala" % "sbt-bloop" % "1.5.6")
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‎src/main/scala/tutorial/webapp/DebFiles.scala‎

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package tutorial.webapp
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import java.util.Locale
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import tutorial.webapp.StringExtensions.substringAfterLast
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import tutorial.webapp.StringExtensions.substringAfterFirst
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import tutorial.webapp.StringExtensions.substringBeforeFirst
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import tutorial.webapp.ExtractionStrategy
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object DebFiles {
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def getExecFromDesktop(desktopFileContents: String): Option[String] =
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val i1 =
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desktopFileContents.linesIterator
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.filter(line => line.substringBeforeFirst("=").trim.equalsIgnoreCase("Exec"))
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.map(execLine => execLine.substringAfterFirst("="))
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i1.nextOption()
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def getNameFromDesktop(desktopFileContents: String): Option[String] =
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val i1 =
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desktopFileContents.linesIterator
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.filter(line => line.contains("Name"))
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.map(nameLine => nameLine.replace("Name", "").replace('=', ' ').trim)
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i1.nextOption()
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def processExistingDesktop(desktopFileContents: String, pkgName: String, eStrategy: ExtractionStrategy): String =
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val v1 =
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desktopFileContents.linesIterator
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.map(line =>
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val eqSignIdx = line.indexOf("=")
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if (eqSignIdx != -1) {
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val beforeSign = line.substringBeforeFirst("=").trim()
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if (beforeSign.equalsIgnoreCase("Exec")) {
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val afterSign = line.substringAfterFirst("=").trim()
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val cmd = buildExecCmd(eStrategy, pkgName, Some(afterSign))
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s"Exec=${cmd}"
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} else if (beforeSign.equalsIgnoreCase("Icon")) {
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s"Icon=${pkgName}"
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} else {
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line
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}
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} else {
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line
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}
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).mkString("\n")
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v1
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def buildExecCmd(eStrategy: ExtractionStrategy, pkgName: String, existingCommand: Option[String]): String =
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eStrategy match {
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case ExtractionStrategy.Preserve =>
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s"/opt/${pkgName}/${pkgName}.AppImage"
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case ExtractionStrategy.Unpack =>
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if (existingCommand.count(cmd => cmd.contains("AppRun")) == 1) {
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s"/opt/${pkgName}/${existingCommand.get}"
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} else {
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s"/opt/${pkgName}/AppRun"
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}
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}
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def buildDesktopFile(appImageFileName: String, visibleAppName: Option[String], dirNameInOpt: String): String =
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val appImageFileNoExtension = appImageFileName.substring(0, appImageFileName.lastIndexOf("."))
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Seq(
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"[Desktop Entry]",
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s"Name=${visibleAppName.getOrElse(appImageFileNoExtension)}",
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s"Exec=gnome-terminal -e /opt/${dirNameInOpt}/AppRun --no-sandbox %U",
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"Terminal=true",
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"Type=Application",
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).mkString("\n")
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def buildControlFile(pkgName: String, installedSize: Int, pkgVersion: String): String =
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Seq(
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s"Package: ${pkgName}",
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s"Version: ${pkgVersion}",
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"Architecture: all",
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"Maintainer: appimage2deb",
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s"Installed-Size: ${installedSize}",
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"Section: Miscellaneous",
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"Priority: optional",
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"Description: Converted from AppImage",
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" Application archive converted from AppImage",
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"" // without this: end of file during value of field 'Description' (missing final newline)
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).mkString("\n")
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def buildPostInst(): String =
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Seq(
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"#!/bin/sh",
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"update-desktop-database",
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).mkString("\n")
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def buildPostRm(): String =
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buildPostInst()
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def buildExecFile(execCmd: String): String =
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Seq(
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"#!/bin/sh",
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execCmd + " " +" \"$@\"",
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).mkString("\n")
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}

‎src/main/scala/tutorial/webapp/ExtractionStrategy.scala‎

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package tutorial.webapp
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enum ExtractionStrategy:
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case Preserve, Unpack

‎src/main/scala/tutorial/webapp/Interop.scala‎

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package tutorial.webapp
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import scala.scalajs.js
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object Interop {
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def toScalaArray(input: js.typedarray.Uint8Array): Array[Byte] =
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input.view.map(_.toByte).toArray
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def toScalaArray(input: js.Array[Double]): Array[Byte] =
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input.view.map(_.toByte).toArray
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def toScalaArray(input: js.Array[String]): Array[String] =
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input.view.toArray
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}

‎src/main/scala/tutorial/webapp/Node.scala‎

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package tutorial.webapp
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import typings.node.childProcessMod as node_child_process
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import typings.node.utilMod as node_util
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import typings.node.fsMod as node_fs
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import typings.node.osMod as node_os
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import typings.node.pathMod as node_path
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import typings.node.bufferMod.global.BufferEncoding
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object Node {
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def readFile(filePath: String): String =
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val opts = BufferEncoding.utf8
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val read = node_fs.readFileSync(filePath, opts)
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read
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def writeFile(filePath: String, contents: String): Unit =
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node_fs.writeFileSync(filePath, contents)
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def rename(oldPath: String, newPath: String): Unit =
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node_fs.renameSync(oldPath, newPath)
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def cp(filePath1: String, filePath2: String): Unit =
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node_fs.copyFileSync(filePath1, filePath2)
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def makeDir(dirPath: String): Unit =
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try {
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if (!node_fs.existsSync(dirPath)) {
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val opts = node_fs.MakeDirectoryOptions()
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opts.recursive = true
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node_fs.mkdirSync(dirPath, opts)
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}
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} catch {
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case e: Exception =>
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throw Exception(s"Couldn't create a new directory: ${dirPath}", e)
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}
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def makeTmpDir(): String =
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try {
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val tmpDir = node_fs.mkdtempSync(node_path.join(node_os.tmpdir(), "appimage2deb-"));
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tmpDir
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} catch {
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case e: Exception =>
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throw Exception(s"Couldn't create a new temporary directory", e)
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}
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def chmod(filePath: String, mode: Int): Unit =
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try {
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node_fs.chmodSync(filePath, mode.toDouble);
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} catch {
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case e: Exception =>
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throw Exception(s"Couldn't chmod ${filePath} on ${filePath}")
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}
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def filesInDir(dirPath: String): Array[String] =
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val res = node_fs.readdirSync(dirPath)
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Interop.toScalaArray(res)
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def filesInDirRecursive(dirPath: String): List[String] =
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val filesInDirectory = node_fs.readdirSync(dirPath);
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val a1 =
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filesInDirectory
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.flatMap(file =>
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val nextPath = node_path.resolve(dirPath, file);
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val stats = node_fs.statSync(nextPath).getOrElse(scala.sys.error(s"Couldn't read directory ${nextPath}"))
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if (stats.isDirectory()) {
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filesInDirRecursive(nextPath);
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} else {
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List(nextPath);
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}
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)
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.toList
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a1
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// private def filesInDirRecursiveAux(directory: String, collected: ArrayBuffer[String]): Unit =
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// val filesInDirectory = node_fs.readdirSync(directory);
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// filesInDirectory.foreach(file =>
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// val absolute = node_path.join(directory, file);
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// if (node_fs.statSync(absolute).isDirectory()) {
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// filesInDirRecursiveAux(absolute, collected);
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// } else {
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// collected.push(absolute);
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// }
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// )
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def desktopFileInDir(dirPath: String): Option[String] =
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filesInDir(dirPath)
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.filter(path => path.endsWith(".desktop"))
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.map(node_path.resolve(dirPath, _))
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.headOption
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def appIconInDir(dirPath: String): Option[String] =
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try {
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val linkVal = node_fs.readlinkSync(node_path.resolve(dirPath, ".DirIcon"))
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Some(node_path.resolve(dirPath, linkVal))
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} catch {
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case e: Exception =>
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filesInDir(dirPath)
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.filter(path => path.endsWith(".png") || path.endsWith(".svg"))
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.map(node_path.resolve(dirPath, _))
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.headOption
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}
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}

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