diff --git a/devTools/FC.targets b/devTools/FC.targets
deleted file mode 100644
index da1098baed0c5192c06133fda1768b6cc9fda611..0000000000000000000000000000000000000000
--- a/devTools/FC.targets
+++ /dev/null
@@ -1,120 +0,0 @@
-<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-	<!-- Task to concat files injecting their names in between -->
-	<UsingTask TaskName="ConcatFiles" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll" >
-		<ParameterGroup>
-			<Inputs ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="true" />
-			<BaseDir ParameterType="System.String" Required="true" />
-			<Output ParameterType="System.String" Required="true" />
-		</ParameterGroup>
-		<Task>
-			<Using Namespace="System"/>
-			<Using Namespace="System.IO"/>
-			<Code Type="Fragment" Language="cs"><![CDATA[
-				using (StreamWriter output = new StreamWriter(Output)) {
-					int bdl = BaseDir.Length;
-					foreach (ITaskItem item in Inputs) {
-						string inp = item.GetMetadata("FullPath");
-						string rp = inp.StartsWith(BaseDir) ? inp.Substring(bdl) : inp; // a simple relative path
-						output.WriteLine("/* Source: {0} */", rp);
-						output.Write(File.ReadAllText(inp));
-						output.WriteLine();
-					}
-				}
-			]]></Code>
-		</Task>
-	</UsingTask>
-
-	<!-- https://stackoverflow.com/questions/7837644/how-to-replace-string-in-file-using-msbuild -->
-<!-- Unused
-	<UsingTask TaskName="ReplaceFileText" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll">
-	<ParameterGroup>
-		<InputFilename ParameterType="System.String" Required="true" />
-		<OutputFilename ParameterType="System.String" Required="true" />
-		<MatchExpression ParameterType="System.String" Required="true" />
-		<ReplacementText ParameterType="System.String" Required="true" />
-	</ParameterGroup>
-	<Task>
-		<Using Namespace="System" />
-		<Using Namespace="System.IO" />
-		<Using Namespace="System.Text.RegularExpressions" />
-		<Code Type="Fragment" Language="cs">
-		<![CDATA[
-				File.WriteAllText(
-					OutputFilename,
-					Regex.Replace(File.ReadAllText(InputFilename), MatchExpression, ReplacementText)
-					);
-			]]>
-		</Code>
-	</Task>
-	</UsingTask>
--->
-	<!-- https://stackoverflow.com/questions/3524317/regex-to-strip-line-comments-from-c-sharp/3524689#3524689 -->
-	<UsingTask TaskName="StripComments" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll">
-	<ParameterGroup>
-		<InputFilename ParameterType="System.String" Required="true" />
-		<OutputFilename ParameterType="System.String" Required="true" />
-	</ParameterGroup>
-	<Task>
-		<Using Namespace="System" />
-		<Using Namespace="System.IO" />
-		<Using Namespace="System.Text.RegularExpressions" />
-		<Code Type="Fragment" Language="cs">
-		<![CDATA[
-				var blockComments = @"/\*(.*?)\*/";
-				var lineComments = @"//(.*?)\r?\n";
-				var strings = @"""((\\[^\n]|[^""\n])*)""";
-				var verbatimStrings = @"@(""[^""]*"")+";
-				File.WriteAllText(
-					OutputFilename,
-					Regex.Replace(File.ReadAllText(InputFilename),
-						blockComments + "|" + lineComments + "|" + strings + "|" + verbatimStrings,
-						me => {
-							if (me.Value.StartsWith("/*") || me.Value.StartsWith("//"))
-								return me.Value.StartsWith("//") ? "\n" : "";
-							// Keep the literal strings
-							return me.Value;
-						},
-						RegexOptions.Singleline
-					)
-				);
-			]]>
-		</Code>
-	</Task>
-	</UsingTask>
-
-	<UsingTask TaskName="GetToolPath" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll" >
-		<ParameterGroup>
-			<ToolName Required="true" />
-			<LocalPath />
-			<ToolPath Output="true" />
-			<ToolFound ParameterType="System.Boolean" Output="true" />
-		</ParameterGroup>
-		<Task>
-			<Reference Include="Microsoft.Win32.Registry" />
-			<Code Type="Class" Language="cs" Source="$(MSBuildThisFileDirectory)FindToolPath.cs" />
-		</Task>
-	</UsingTask>
-
-
-	<Target Name="FindGitWindows" Condition=" '$([MSBuild]::IsOsPlatform(Windows))' ">
-		<GetToolPath ToolName="git">
-			<Output TaskParameter="ToolPath" PropertyName="GitExe"/>
-			<Output TaskParameter="ToolFound" PropertyName="GitExeFound"/>
-		</GetToolPath>
-	</Target>
-
-	<Target Name="FindGitUnix" Condition=" '$([MSBuild]::IsOSUnixLike())' " >
-		<PropertyGroup>
-			<GitExe>git</GitExe>
-		</PropertyGroup>
-		<Exec Command="$(GitExe) help > /dev/null" IgnoreExitCode="True">
-			<Output TaskParameter="ExitCode" PropertyName="GitExeExitCode" />
-		</Exec>
-		<PropertyGroup>
-			<GitExeFound Condition=" '$(GitExeExitCode)' == '0' " >true</GitExeFound>
-			<GitExeFound Condition=" '$(GitExeExitCode)' != '0' " >false</GitExeFound>
-		</PropertyGroup>
-	</Target>
-
-	<Target Name="FindGit" DependsOnTargets="FindGitWindows;FindGitUnix" />
-</Project>
diff --git a/devTools/FindToolPath.cs b/devTools/FindToolPath.cs
deleted file mode 100644
index 282dc7020ffc8d43202ad6ea349cb49662da1933..0000000000000000000000000000000000000000
--- a/devTools/FindToolPath.cs
+++ /dev/null
@@ -1,127 +0,0 @@
-using Microsoft.Build.Framework;
-using Microsoft.Build.Utilities;
-using System;
-using System.IO;
-using System.Linq;
-using System.Text;
-using Microsoft.Win32;
-
-/*
- Copyright (c) 2014, LoreSoft
- This class was taken from https://github.com/loresoft/msbuildtasks/ and is licensed under BSD-2 license
-*/
-internal static class ToolPathUtil
-{
-	public static bool SafeFileExists(string path, string toolName)
-	{
-		return SafeFileExists(Path.Combine(path, toolName));
-	}
-
-	public static bool SafeFileExists(string file)
-	{
-		Console.WriteLine(String.Format("Testing {0}", file));
-		try { return File.Exists(file); }
-		catch { } // eat exception
-
-		return false;
-	}
-
-	public static string MakeToolName(string name)
-	{
-		return (Environment.OSVersion.Platform == PlatformID.Unix) ?
-			name : name + ".exe";
-	}
-
-	public static string FindInRegistry(string toolName)
-	{
-		try
-		{
-			RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\" + toolName, false);
-			if (key != null)
-			{
-				string possiblePath = key.GetValue(null) as string;
-				if (SafeFileExists(possiblePath))
-					return Path.GetDirectoryName(possiblePath);
-			}
-		}
-		catch (System.Security.SecurityException) { }
-
-		return null;
-	}
-
-	public static string FindInPath(string toolName)
-	{
-		string pathEnvironmentVariable = Environment.GetEnvironmentVariable("PATH") ?? string.Empty;
-		string[] paths = pathEnvironmentVariable.Split(new[] { Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries);
-		foreach (string path in paths)
-		{
-			if (SafeFileExists(path, toolName))
-			{
-				return path;
-			}
-		}
-
-		return null;
-	}
-
-	public static string FindInProgramFiles(string toolName, params string[] commonLocations)
-	{
-		foreach (string location in commonLocations)
-		{
-			string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), location);
-			if (SafeFileExists(path, toolName))
-			{
-				return path;
-			}
-		}
-
-		return null;
-	}
-
-	public static string FindInLocalPath(string toolName, string localPath)
-	{
-		if (localPath == null)
-			return null;
-
-		string path = new DirectoryInfo(localPath).FullName;
-		if (SafeFileExists(localPath, toolName))
-		{
-			return path;
-		}
-
-		return null;
-	}
-}
-
-public class GetToolPath : Microsoft.Build.Utilities.Task
-{
-	public virtual string ToolName { get; set; }
-	public virtual string LocalPath { get; set; }
-	public virtual string ToolPath { get; set; }
-	public virtual bool Success { get; set; }
-
-	public override bool Execute()
-	{
-		this.ToolPath = null;
-		this.Success = false;
-		string tool = ToolPathUtil.MakeToolName(ToolName);
-
-		string toolDir =
-					ToolPathUtil.FindInPath(tool) ??
-					ToolPathUtil.FindInRegistry(tool) ??
-					ToolPathUtil.FindInProgramFiles(tool, tool) ??
-					ToolPathUtil.FindInProgramFiles(tool, Path.Combine(tool, "bin")) ??
-					ToolPathUtil.FindInLocalPath(tool, LocalPath);
-
-
-		if (toolDir == null)
-		{
-			throw new Exception(String.Format("Could not find {0}. Looked in PATH locations and various common folders inside Program Files as well as LocalPath.", tool));
-		}
-
-		Console.WriteLine("Found {0} at {1}", tool, toolDir);
-		ToolPath = Path.Combine(toolDir, tool);
-		Success = true;
-		return Success;
-	}
-}
diff --git a/devTools/makeTwineCSSPassage.bat b/devTools/makeTwineCSSPassage.bat
deleted file mode 100644
index 9ac31514777781a95093238c4ec817460a6a6707..0000000000000000000000000000000000000000
--- a/devTools/makeTwineCSSPassage.bat
+++ /dev/null
@@ -1,23 +0,0 @@
-@echo off
-:: Generates devNotes/twineCSS.txt from all .css files in src/ subdir
-
-:: See if we can find a git installation
-setlocal enabledelayedexpansion
-
-for %%k in (HKCU HKLM) do (
-	for %%w in (\ \Wow6432Node\) do (
-		for /f "skip=2 delims=: tokens=1*" %%a in ('reg query "%%k\SOFTWARE%%wMicrosoft\Windows\CurrentVersion\Uninstall\Git_is1" /v InstallLocation 2^> nul') do (
-			for /f "tokens=3" %%z in ("%%a") do (
-				set GIT=%%z:%%b
-				set GITFOUND=yes
-				goto FOUND
-			)
-		)
-	)
-)
-
-:FOUND
-if %GITFOUND% == yes (
-	set "PATH=%GIT%bin;%PATH%"
-	bash --login -c ./makeTwineCSSPassage.sh
-)
diff --git a/devTools/makeTwineCSSPassage.sh b/devTools/makeTwineCSSPassage.sh
deleted file mode 100755
index de6abc320e849659dd2888eeab2b199d3740281f..0000000000000000000000000000000000000000
--- a/devTools/makeTwineCSSPassage.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/sh
-# Generates devNotes/twine CSS.txt from all .css files in src/ subdir
-
-# Joins all .css files from the current dir (recursive) into a Twee [script] passage
-# arguments:
-# $1: root repo dir
-# $2: output file name
-collectCSSForTwine() {
-	local files=$(find . -iname '*.css' -print)
-	files=$(echo "$files" | sort)
-	echo "" > "$2"
-	for f in $files; do
-		printf "\n/* ${f} */\n" >> "$2"
-		cat "$f" >> "$2"
-	done
-}
-
-ROOT_REPO_DIR="$(git rev-parse --show-toplevel)"
-cd "${ROOT_REPO_DIR}"/src
-collectCSSForTwine "${ROOT_REPO_DIR}" "${ROOT_REPO_DIR}/devNotes/twine CSS.txt"
diff --git a/devTools/makeTwineJSPassage.bat b/devTools/makeTwineJSPassage.bat
deleted file mode 100644
index a7c7568c0d1521c51427394f21bcb3e147bcab71..0000000000000000000000000000000000000000
--- a/devTools/makeTwineJSPassage.bat
+++ /dev/null
@@ -1,23 +0,0 @@
-@echo off
-:: Generates devNotes/twineJS.txt from all .js files in src/ subdir
-
-:: See if we can find a git installation
-setlocal enabledelayedexpansion
-
-for %%k in (HKCU HKLM) do (
-	for %%w in (\ \Wow6432Node\) do (
-		for /f "skip=2 delims=: tokens=1*" %%a in ('reg query "%%k\SOFTWARE%%wMicrosoft\Windows\CurrentVersion\Uninstall\Git_is1" /v InstallLocation 2^> nul') do (
-			for /f "tokens=3" %%z in ("%%a") do (
-				set GIT=%%z:%%b
-				set GITFOUND=yes
-				goto FOUND
-			)
-		)
-	)
-)
-
-:FOUND
-if %GITFOUND% == yes (
-	set "PATH=%GIT%bin;%PATH%"
-	bash --login -c ./makeTwineJSPassage.sh
-)
diff --git a/devTools/makeTwineJSPassage.sh b/devTools/makeTwineJSPassage.sh
deleted file mode 100755
index 1699140b1c6275ff57cc0b8d220966dc7dbd7a84..0000000000000000000000000000000000000000
--- a/devTools/makeTwineJSPassage.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/sh
-# Generates devNotes/twine JS.txt from all .js files in src/ subdir
-
-# Joins all .js files from the current dir (recursive) into a Twee [script] passage
-# arguments:
-# $1: root repo dir
-# $2: output file name
-collectJSForTwine() {
-	local files=$(find js src -path ./src/art/assistantArt.js -prune -o -name '*.js' -print)
-	files=$(echo "$files" | sort)
-	echo "" > "$2"
-	for f in $files; do
-		printf "\n/* ${f} */\n" >> "$2"
-		sed -nf "$1"/devTools/stripComments.sed "$f" >> "$2"
-	done
-}
-
-ROOT_REPO_DIR="$(git rev-parse --show-toplevel)"
-cd "${ROOT_REPO_DIR}"
-collectJSForTwine "${ROOT_REPO_DIR}" "${ROOT_REPO_DIR}/devNotes/twine JS.txt"
diff --git a/devTools/stripComments.sed b/devTools/stripComments.sed
deleted file mode 100755
index 6fc011ea3e3bfc097628fcc8f70d4fc9c6d4664b..0000000000000000000000000000000000000000
--- a/devTools/stripComments.sed
+++ /dev/null
@@ -1,97 +0,0 @@
-#! /bin/sed -nf
-
-# Remove C and C++ comments, by Brian Hiles (brian_hiles.com)
-
-# taken from https://bash.cyberciti.biz/academic/sed-remove-c-cpp-comments/
-
-# Sped up (and bugfixed to some extent) by Paolo Bonzini (bonzini.org)
-# Works its way through the line, copying to hold space the text up to the
-# first special character (/, ", '). The original version went exactly a
-# character at a time, hence the greater speed of this one. But the concept
-# and especially the trick of building the line in hold space are entirely
-# merit of Brian.
-
-:loop
-
-# ezsh: commented out because it removes '//' and everything after that in string literals
-# This line is sufficient to remove C++ comments!
-#/^\/\// s,.*,,
-
-/^$/{
-  x
-  p
-  n
-  b loop
-}
-/^"/{
-  :double
-  /^$/{
-	x
-	p
-	n
-	/^"/b break
-	b double
-  }
-
-  H
-  x
-  s,\n\(.[^\"]*\).*,\1,
-  x
-  s,.[^\"]*,,
-
-  /^"/b break
-  /^\\/{
-	H
-	x
-	s,\n\(.\).*,\1,
-	x
-	s/.//
-  }
-  b double
-}
-
-/^'/{
-  :single
-  /^$/{
-	x
-	p
-	n
-	/^'/b break
-	b single
-  }
-  H
-  x
-  s,\n\(.[^\']*\).*,\1,
-  x
-  s,.[^\']*,,
-
-  /^'/b break
-  /^\\/{
-	H
-	x
-	s,\n\(.\).*,\1,
-	x
-	s/.//
-  }
-  b single
-}
-
-/^\/\*/{
-  s/.//
-  :ccom
-  s,^.[^*]*,,
-  /^$/ n
-  /^\*\//{
-	s/..//
-	b loop
-  }
-  b ccom
-}
-
-:break
-H
-x
-s,\n\(.[^"'/]*\).*,\1,
-x
-s/.[^"'/]*//
-b loop
diff --git a/fc-pregmod.proj b/fc-pregmod.proj
deleted file mode 100644
index c3c76a32e54435b07cdc433ddd213c9a5a35ff8d..0000000000000000000000000000000000000000
--- a/fc-pregmod.proj
+++ /dev/null
@@ -1,100 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="FinalHTML" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-	<Import Project="devTools\FC.targets" />
-	<PropertyGroup>
-		<OutputDirectory>.\bin\</OutputDirectory>
-		<JSMoudleFileName>fc.js</JSMoudleFileName>
-	</PropertyGroup>
-
-	<PropertyGroup Condition=" '$([System.Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture)' == 'X64' ">
-		<ArchitectureSuffix>64</ArchitectureSuffix>
-	</PropertyGroup>
-	<PropertyGroup Condition=" '$([System.Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture)' == 'X86' ">
-		<ArchitectureSuffix>86</ArchitectureSuffix>
-	</PropertyGroup>
-
-	<PropertyGroup Condition=" '$([MSBuild]::IsOsPlatform(Windows))' ">
-		<TweeGoExe>tweego_win$(ArchitectureSuffix).exe</TweeGoExe>
-	</PropertyGroup>
-	<PropertyGroup Condition=" '$([MSBuild]::IsOsPlatform(Linux))' ">
-		<TweeGoExe>tweego_nix$(ArchitectureSuffix)</TweeGoExe>
-	</PropertyGroup>
-	<PropertyGroup Condition=" '$([MSBuild]::IsOsPlatform(OSX))' ">
-		<TweeGoExe>tweego_osx$(ArchitectureSuffix)</TweeGoExe>
-	</PropertyGroup>
-
-	<Target Name="CollectGitInfo" DependsOnTargets="FindGit">
-		<Exec Command="$(GitExe) rev-parse --short HEAD" ConsoleToMsBuild="true" EchoOff="true">
-			<Output TaskParameter="ConsoleOutput" PropertyName="GitHash" />
-		</Exec>
-	</Target>
-
-	<Target Name="DisplayMessages" DependsOnTargets="CollectGitInfo">
-		<Message Text="MSBuildProjectDirectory: $(MSBuildProjectDirectory)" />
-		<Message Text="ArchitectureSuffix: $(ArchitectureSuffix)" Importance="high" />
-		<Message Text="TweeGoExe: $(TweeGoExe)" Importance="high" />
-		<Message Text="PA: $([System.Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture)" />
-		<Message Text="Git found: $(GitExeFound)" Importance="high" />
-		<Message Text="Git executable: $(GitExe)" Importance="high" />
-		<Message Text="HEAD commit hash: $(GitHash)" Importance="high" />
-	</Target>
-
-	<Target Name="createDirs">
-		<MakeDir Directories="$(OutputDirectory)\resources"/>
-	</Target>
-
-	<Target Name="JSModule" DependsOnTargets="createDirs;DisplayMessages">
-		<ItemGroup>
-			<jsScripts Include=".\js\**\*.js" /> <!-- will be sorted aphabetically -->
-		</ItemGroup>
-		<ConcatFiles Inputs="@(jsSCripts)" BaseDir="$(MSBuildProjectDirectory)" Output="$(OutputDirectory)\$(JSMoudleFileName)"/>
-	</Target>
-
-	<Target Name="InjectGitHash" DependsOnTargets="CollectGitInfo" Condition=" '$(GitExeFound)'" >
-		<WriteLinesToFile
-			File="src/002-config/fc-version.js.commitHash.js"
-			Lines="App.Version.commitHash = '$(GitHash)'%3B"
-			Overwrite="true"
-			Encoding="UTF-8"/>
-	</Target>
-
-	<Target Name="RemoveGeneratedFiles" DependsOnTargets="FindGit" Condition=" '$(GitExeFound)'" >
-		<Delete Files="src/002-config/fc-version.js.commitHash.js"/>
-	</Target>
-
-	<Target Name="tmpOutput" DependsOnTargets="JSModule;InjectGitHash">
-		<Exec Command="devTools\tweeGo\$(TweeGoExe) --module=$(OutputDirectory)\$(JSMoudleFileName) --head devTools\head.html -o $(OutputDirectory)\tmp.html src\" />
-	</Target>
-
-	<Target Name="FinalHTML" DependsOnTargets="tmpOutput;RemoveGeneratedFiles">
-		<Delete Files="$(OutputDirectory)\$(JSMoudleFileName)" />
-		<Move SourceFiles="$(OutputDirectory)\tmp.html" DestinationFiles="$(OutputDirectory)\FC_pregmod.html" />
-	</Target>
-
-	<Target Name="JavaSanityCheck">
-		<Exec Command="java -jar .\devTools\javaSanityCheck\SanityCheck.jar" />
-	</Target>
-
-	<!-- Twine targets -->
-
-	<Target Name="TwineCSS">
-		<ItemGroup>
-			<cssFiles Include=".\src\**\*.css" /> <!-- will be sorted aphabetically -->
-		</ItemGroup>
-		<ConcatFiles Inputs="@(cssFiles)" BaseDir="$(MSBuildProjectDirectory)" Output="$(MSBuildProjectDirectory)\devNotes\twine CSS.txt"/>
-	</Target>
-
-	<Target Name="TwineJS">
-		<ItemGroup>
-			<jsFiles Include=".\js\**\*.js;.\src\**\*.js" Exclude=".\src\art\assistantArt.js"/> <!-- will be sorted aphabetically -->
-		</ItemGroup>
-		<ConcatFiles Inputs="@(jsFiles)" BaseDir="$(MSBuildProjectDirectory)" Output="$(MSBuildProjectDirectory)\devNotes\twine JS.raw"/>
-		<StripComments
-			InputFilename="$(MSBuildProjectDirectory)\devNotes\twine JS.raw"
-			OutputFilename="$(MSBuildProjectDirectory)\devNotes\twine JS.txt"
-		/>
-	</Target>
-
-	<Target Name="Twine" DependsOnTargets="TwineCSS;TwineJS"/>
-
-</Project>
diff --git a/gulpfile.js b/gulpfile.js
index d62153442d4a07fb538b994b78beafc468fde069..814539d4b0f420b4ec33e0d6390114f98b414823 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -7,6 +7,7 @@ const gulp = require('gulp'),
 	shell = require('gulp-shell'),
 	sort = require('gulp-sort'),
 	sourcemaps = require('gulp-sourcemaps'),
+	stripCssJSComments = require('gulp-strip-comments'),
 	autoprefixer = require('autoprefixer'),
 	which = require('which'),
 	fs = require('fs'),
@@ -173,10 +174,7 @@ function prepareComponent(name) {
 function makeThemeCompilationTask(themeName) {
 	const taskName = `make-theme-${themeName}`;
 	gulp.task(taskName, function() {
-		return gulp.src(`themes/${themeName}/**/*.css`)
-			.pipe(sort())
-			.pipe(concat(`${themeName}.css`))
-			.pipe(gulp.dest(cfg.dirs.output));
+		return concatFiles(`themes/${themeName}/**/*.css`, cfg.dirs.output, `${themeName}.css`);
 	});
 	return taskName;
 }
@@ -203,12 +201,11 @@ if (fs.statSync('.git').isDirectory()) {
 	gulp.task('buildHTML', gulp.series(prepare, 'compileStory'));
 }
 
-const themeTasks = [];
-for (const entry of fs.readdirSync('themes')) {
-	if (fs.statSync(path.join('themes', entry)).isDirectory()) {
-		themeTasks.push(makeThemeCompilationTask(entry));
-	}
-}
+const themeTasks = fs.readdirSync('themes')
+	.filter(entry => fs.statSync(path.join('themes', entry)).isDirectory())
+	.map(entry => makeThemeCompilationTask(entry));
+
+
 
 exports.html = gulp.series('buildHTML', moveHTMLInPlace);
 exports.themes = gulp.parallel(themeTasks);
@@ -216,3 +213,19 @@ exports.clean = clean;
 
 exports.default = exports.html;
 exports.all = gulp.parallel(exports.html, exports.themes);
+
+// legacy tasks
+
+gulp.task('twineCSS', function() {
+	return concatFiles([...cfg.sources.module.css, ...cfg.sources.story.css], 'devNotes', 'twine CSS.txt');
+});
+
+gulp.task('twineJS', function() {
+	return gulp.src([...cfg.sources.module.js, ...cfg.sources.story.js, '!src/art/assistantArt.js'])
+		.pipe(stripCssJSComments({trim: true}))
+		.pipe(sort())
+		.pipe(concat('twine JS.txt'))
+		.pipe(gulp.dest('devNotes'));
+});
+
+exports.twine = gulp.parallel('twineCSS', 'twineJS');
diff --git a/package.json b/package.json
index 1b3370741238abc4d33bc6ddb944b2276b3adaa5..57d6a17b50e78d3d3b8d5a5529808231750d9c54 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,10 @@
 		"eslint": "^7.6.0",
 		"eslint-plugin-jsdoc": "^32.0.0",
 		"eslint-plugin-sonarjs": "^0.6.0",
+		"ts-essentials": "^7.0.0",
+		"typescript": "^4.2.0"
+	},
+	"dependencies": {
 		"fancy-log-levels": "^1.0.0",
 		"gulp": "^4.0.2",
 		"gulp-concat": "^2.6.1",
@@ -30,8 +34,7 @@
 		"gulp-shell": "^0.8.0",
 		"gulp-sort": "^2.0.0",
 		"gulp-sourcemaps": "^3.0.0",
-		"ts-essentials": "^7.0.0",
-		"typescript": "^4.2.0",
+		"gulp-strip-comments": "^2.5.2",
 		"which": "^2.0.2",
 		"yargs": "^16.0.0"
 	}