[WIP]

TODO: UpdateContextMenu()

.github/FUNDING.yml

@@ -1,12 +0,0 @@
-# These are supported funding model platforms
-
-github: [leaanthony]
-patreon: # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/latest-pre.yml

@@ -13,10 +13,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.16
+    - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
-        go-version: 1.16
+        go-version: 1.13
       id: go
 
     - name: Check out code into the Go module directory

.github/workflows/pr.yml

@@ -13,10 +13,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.16
+    - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
-        go-version: 1.16
+        go-version: 1.13
       id: go
 
     - name: Check out code into the Go module directory

.github/workflows/release.yml

@@ -15,10 +15,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.16
+    - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
-        go-version: 1.16
+        go-version: 1.13
       id: go
 
     - name: Check out code into the Go module directory

.gitignore

@@ -17,8 +17,13 @@ cmd/wails/wails
 .DS_Store
 tmp
 node_modules/
+package.json.md5
+v2/test/**/frontend/dist
+v2/test/**/build/
+v2/test/frameless/icon.png
+v2/test/hidden/icon.png
+v2/test/kitchensink/frontend/public/bundle.*
+v2/pkg/parser/testproject/frontend/wails
 v2/test/kitchensink/frontend/public
-v2/internal/ffenestri/runtime.c
-v2/internal/runtime/assets/desktop.js
 v2/test/kitchensink/build/darwin/desktop/kitchensink
 v2/test/kitchensink/frontend/package.json.md5

.vscode/settings.json

@@ -1,4 +1,8 @@
 {
   "go.formatTool": "goimports",
-  "eslint.alwaysShowStatus": true
+  "eslint.alwaysShowStatus": true,
+  "files.associations": {
+    "__locale": "c",
+    "ios": "c"
+  }
 }

CONTRIBUTORS.md

@@ -40,9 +40,4 @@ Wails is what it is because of the time and effort given by these great people.
   * [Balakrishna Prasad Ganne](https://github.com/aayush420)
   * [Charaf Rezrazi](https://github.com/Rezrazi)
   * [misitebao](https://github.com/misitebao)
-  * [Elie Grenon](https://github.com/DrunkenPoney)
-  * [SophieAu](https://github.com/SophieAu)
-  * [Alexander Matviychuk](https://github.com/alexmat)
-  * [RH12503](https://github.com/RH12503) 
-  * [hi019](https://github.com/hi019)
-  
+  * [Elie Grenon](https://github.com/DrunkenPoney)

README.md

@@ -2,7 +2,7 @@
    <img src="logo_cropped.png" width="40%"><br/>
 </p>
 <p align="center">
-   Build desktop applications using Go & Web Technologies.<br/><br/>
+   A framework for building desktop applications using Go & Web Technologies.<br/><br/>
    <a href="https://github.com/wailsapp/wails/blob/master/LICENSE"><img src="https://img.shields.io/badge/License-MIT-blue.svg"></a>
    <a href="https://goreportcard.com/report/github.com/wailsapp/wails"><img src="https://goreportcard.com/badge/github.com/wailsapp/wails"/></a>
    <a href="http://godoc.org/github.com/wailsapp/wails"><img src="https://img.shields.io/badge/godoc-reference-blue.svg"/></a>
@@ -20,7 +20,7 @@ The official docs can be found at [https://wails.app](https://wails.app).
 
 ## Features
 
-- Use standard Go for the backend
+- Use standard Go libraries/frameworks for the backend
 - Use any frontend technology to build your UI
 - Quickly create Vue, Vuetify or React frontends for your Go programs
 - Expose Go methods/functions to the frontend via a single bind command
@@ -30,21 +30,6 @@ The official docs can be found at [https://wails.app](https://wails.app).
 - Powerful cli tool
 - Multiplatform
 
-## Sponsors
-
-This project is supported by these kind people / companies:
-
-<a href="https://www.jetbrains.com?from=Wails" style="width:100px"><img src="jetbrains-grayscale.png" width="100"/></a>
-<a href="https://pace.dev" style="width:100px"><img src="pace.jpeg" width="100"/></a>
-<a href="https://github.com/tc-hib" style="width:50px;border-radius: 50%">
-  <img src="https://github.com/tc-hib.png?size=50" width="50" style="border-radius: 50%"/>
-</a>
-<a href="https://github.com/picatz" style="width:50px;border-radius: 50%">
-  <img src="https://github.com/picatz.png?size=50" width="50" style="border-radius: 50%"/>
-</a>
-<a href="https://github.com/tylertravisty" style="width:50px;border-radius: 50%">
-  <img src="https://github.com/tylertravisty.png?size=50" width="50" style="border-radius: 50%"/>
-</a>
 
 ## Installation
 
@@ -129,59 +114,17 @@ It is recommended at this stage to read the comprehensive documentation at [http
 
    When I saw WebView, I thought "What I really want is tooling around building a WebView app, a bit like Rails is to Ruby". So initially it was a play on words (Webview on Rails). It just so happened to also be a homophone of the English name for the [Country](https://en.wikipedia.org/wiki/Wales) I am from. So it stuck.
 
-## Contributors
-
-<a href="https://github.com/qaisjp"><img src="https://github.com/qaisjp.png?size=40" width="40"/></a>
-<a href="https://github.com/alee792"><img src="https://github.com/alee792.png?size=40" width="40"/></a>
-<a href="https://github.com/lanzafame"><img src="https://github.com/lanzafame.png?size=40" width="40"/></a>
-<a href="https://github.com/mattn"><img src="https://github.com/mattn.png?size=40" width="40"/></a>
-<a href="https://github.com/0xflotus"><img src="https://github.com/0xflotus.png?size=40" width="40"/></a>
-<a href="https://github.com/mdhender"><img src="https://github.com/mdhender.png?size=40" width="40"/></a>
-<a href="https://github.com/fishfishfish2104"><img src="https://github.com/fishfishfish2104.png?size=40" width="40"/></a>
-<a href="https://github.com/intelwalk"><img src="https://github.com/intelwalk.png?size=40" width="40"/></a>
-<a href="https://github.com/ocelotsloth"><img src="https://github.com/ocelotsloth.png?size=40" width="40"/></a>
-<a href="https://github.com/bh90210"><img src="https://github.com/bh90210.png?size=40" width="40"/></a>
-<a href="https://github.com/iceleo-com"><img src="https://github.com/iceleo-com.png?size=40" width="40"/></a>
-<a href="https://github.com/fallendusk"><img src="https://github.com/fallendusk.png?size=40" width="40"/></a>
-<a href="https://github.com/Chronophylos"><img src="https://github.com/Chronophylos.png?size=40" width="40"/></a>
-<a href="https://github.com/Vaelatern"><img src="https://github.com/Vaelatern.png?size=40" width="40"/></a>
-<a href="https://github.com/mewmew"><img src="https://github.com/mewmew.png?size=40" width="40"/></a>
-<a href="https://github.com/kraney"><img src="https://github.com/kraney.png?size=40" width="40"/></a>
-<a href="https://github.com/JackMordaunt"><img src="https://github.com/JackMordaunt.png?size=40" width="40"/></a>
-<a href="https://github.com/MichaelHipp"><img src="https://github.com/MichaelHipp.png?size=40" width="40"/></a>
-<a href="https://github.com/tmclane"><img src="https://github.com/tmclane.png?size=40" width="40"/></a>
-<a href="https://github.com/Rested"><img src="https://github.com/Rested.png?size=40" width="40"/></a>
-<a href="https://github.com/Jarek-SRT"><img src="https://github.com/Jarek-SRT.png?size=40" width="40"/></a>
-<a href="https://github.com/konez2k"><img src="https://github.com/konez2k.png?size=40" width="40"/></a>
-<a href="https://github.com/sayuthisobri"><img src="https://github.com/sayuthisobri.png?size=40" width="40"/></a>
-<a href="https://github.com/dedo1911"><img src="https://github.com/dedo1911.png?size=40" width="40"/></a>
-<a href="https://github.com/fdidron"><img src="https://github.com/fdidron.png?size=40" width="40"/></a>
-<a href="https://github.com/Splode"><img src="https://github.com/Splode.png?size=40" width="40"/></a>
-<a href="https://github.com/Lyimmi"><img src="https://github.com/Lyimmi.png?size=40" width="40"/></a>
-<a href="https://github.com/Unix4ever"><img src="https://github.com/Unix4ever.png?size=40" width="40"/></a>
-<a href="https://github.com/timkippdev"><img src="https://github.com/timkippdev.png?size=40" width="40"/></a>
-<a href="https://github.com/kyoto44"><img src="https://github.com/kyoto44.png?size=40" width="40"/></a>
-<a href="https://github.com/artooro"><img src="https://github.com/artooro.png?size=40" width="40"/></a>
-<a href="https://github.com/ilgityildirim"><img src="https://github.com/ilgityildirim.png?size=40" width="40"/></a>
-<a href="https://github.com/gelleson"><img src="https://github.com/gelleson.png?size=40" width="40"/></a>
-<a href="https://github.com/kmuchmore"><img src="https://github.com/kmuchmore.png?size=40" width="40"/></a>
-<a href="https://github.com/aayush420"><img src="https://github.com/aayush420.png?size=40" width="40"/></a>
-<a href="https://github.com/Rezrazi"><img src="https://github.com/Rezrazi.png?size=40" width="40"/></a>
-<a href="https://github.com/misitebao"><img src="https://github.com/misitebao.png?size=40" width="40"/></a>
-<a href="https://github.com/DrunkenPoney"><img src="https://github.com/DrunkenPoney.png?size=40" width="40"/></a>
-<a href="https://github.com/SophieAu"><img src="https://github.com/SophieAu.png?size=40" width="40"/></a>
-<a href="https://github.com/alexmat"><img src="https://github.com/alexmat.png?size=40" width="40"/></a>
-<a href="https://github.com/RH12503"><img src="https://github.com/RH12503.png?size=40" width="40"/></a>
-<a href="https://github.com/hi019"><img src="https://github.com/hi019.png?size=40" width="40"/></a></a>
-<a href="https://github.com/Igogrek"><img src="https://github.com/Igogrek.png?size=40" width="40"/></a></a>
-
-
-## Special Mentions
+## Shoulders of Giants
 
 Without the following people, this project would never have existed:
 
   * [Dustin Krysak](https://wiki.ubuntu.com/bashfulrobot) - His support and feedback has been immense. More patience than you can throw a stick at (Not long now Dustin!).
   * [Serge Zaitsev](https://github.com/zserge) - Creator of [Webview](https://github.com/zserge/webview) which Wails uses for the windowing.
+
+And without [these people](CONTRIBUTORS.md), it wouldn't be what it is today. A huge thank you to each and every one of you!
+
+Special Mentions:
+
   * [Byron](https://github.com/bh90210) - At times, Byron has single handedly kept this project alive. Without his incredible input, we never would have got to v1.
 
 This project was mainly coded to the following albums:
@@ -207,8 +150,7 @@ This project was mainly coded to the following albums:
 ## Special Thanks
 
 <p align="center" style="text-align: center">
-   <a href="https://pace.dev"><img src="pace.jpeg"/></a><br/>
-   A *huge* thanks to <a href="https://pace.dev">Pace</a> for sponsoring the project and helping the efforts to get Wails ported to Apple Silicon!<br/><br/>
+   A *huge* thanks to <a href="https://pace.dev"><img src="pace.jpeg"/> Pace</a> for sponsoring the project and helping the efforts to get Wails ported to Apple Silicon!<br/><br/>
    If you are looking for a Project Management tool that's powerful but quick and easy to use, check them out!<br/><br/>
 </p>
 

cmd/github.go

@@ -24,7 +24,7 @@ func (g *GitHubHelper) GetVersionTags() ([]*SemanticVersion, error) {
 	result := []*SemanticVersion{}
 	var err error
 
-	resp, err := http.Get("https://api.github.com/repos/wailsapp/wails/releases")
+	resp, err := http.Get("https://api.github.com/repos/wailsapp/wails/tags")
 	if err != nil {
 		return result, err
 	}

cmd/helpers.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"fmt"
+	"io/ioutil"
 	"os"
 	"os/exec"
 	"os/user"
@@ -11,12 +12,13 @@ import (
 	"strings"
 	"time"
 
+	"github.com/leaanthony/mewn"
+	"github.com/leaanthony/mewn/lib"
 	"github.com/leaanthony/slicer"
 	"github.com/leaanthony/spinner"
-	wailsruntime "github.com/wailsapp/wails/runtime"
 )
 
-const xgoVersion = "1.16.2"
+const xgoVersion = "1.0.1"
 
 var fs = NewFSHelper()
 
@@ -59,6 +61,30 @@ func InstallGoDependencies(verbose bool) error {
 	return nil
 }
 
+// EmbedAssets will embed the built frontend assets via mewn.
+func EmbedAssets() ([]string, error) {
+	mewnFiles := lib.GetMewnFiles([]string{}, false)
+
+	referencedAssets, err := lib.GetReferencedAssets(mewnFiles)
+	if err != nil {
+		return []string{}, err
+	}
+
+	targetFiles := []string{}
+
+	for _, referencedAsset := range referencedAssets {
+		packfileData, err := lib.GeneratePackFileString(referencedAsset, false)
+		if err != nil {
+			return []string{}, err
+		}
+		targetFile := filepath.Join(referencedAsset.BaseDir, referencedAsset.PackageName+"-mewn.go")
+		targetFiles = append(targetFiles, targetFile)
+		ioutil.WriteFile(targetFile, []byte(packfileData), 0644)
+	}
+
+	return targetFiles, nil
+}
+
 func InitializeCrossCompilation(verbose bool) error {
 	// Check Docker
 	if err := CheckIfInstalled("docker"); err != nil {
@@ -101,10 +127,7 @@ func BuildDocker(binaryName string, buildMode string, projectOptions *ProjectOpt
 	// Check build directory
 	buildDirectory := filepath.Join(fs.Cwd(), "build")
 	if !fs.DirExists(buildDirectory) {
-		err := fs.MkDir(buildDirectory)
-		if err != nil {
-			return err
-		}
+		fs.MkDir(buildDirectory)
 	}
 
 	buildCommand := slicer.String()
@@ -175,6 +198,11 @@ func BuildDocker(binaryName string, buildMode string, projectOptions *ProjectOpt
 // BuildNative builds on the target platform itself.
 func BuildNative(binaryName string, forceRebuild bool, buildMode string, projectOptions *ProjectOptions) error {
 
+	// Check Mewn is installed
+	if err := CheckMewn(projectOptions.Verbose); err != nil {
+		return err
+	}
+
 	if err := CheckWindres(); err != nil {
 		return err
 	}
@@ -247,6 +275,12 @@ func BuildNative(binaryName string, forceRebuild bool, buildMode string, project
 func BuildApplication(binaryName string, forceRebuild bool, buildMode string, packageApp bool, projectOptions *ProjectOptions) error {
 	var err error
 
+	// embed resources
+	targetFiles, err := EmbedAssets()
+	if err != nil {
+		return err
+	}
+
 	if projectOptions.CrossCompile {
 		if err := InitializeCrossCompilation(projectOptions.Verbose); err != nil {
 			return err
@@ -262,6 +296,20 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 		}
 	}
 
+	// cleanup temporary embedded assets
+	defer func() {
+		for _, filename := range targetFiles {
+			if err := os.Remove(filename); err != nil {
+				fmt.Println(err)
+			}
+		}
+		// Removed by popular demand
+		// TODO: Potentially add a flag to cleanup
+		// if projectOptions.Platform == "windows" {
+		// 	helper.CleanWindows(projectOptions)
+		// }
+	}()
+
 	if projectOptions.CrossCompile {
 		err = BuildDocker(binaryName, buildMode, projectOptions)
 	} else {
@@ -326,6 +374,30 @@ func BuildFrontend(projectOptions *ProjectOptions) error {
 	return nil
 }
 
+// CheckMewn checks if mewn is installed and if not, attempts to fetch it
+func CheckMewn(verbose bool) (err error) {
+	programHelper := NewProgramHelper(verbose)
+	if !programHelper.IsInstalled("mewn") {
+		var buildSpinner *spinner.Spinner
+		if !verbose {
+			buildSpinner = spinner.New()
+			buildSpinner.SetSpinSpeed(50)
+			buildSpinner.Start("Installing Mewn asset packer...")
+		}
+		err := programHelper.InstallGoPackage("github.com/leaanthony/mewn/cmd/mewn")
+		if err != nil {
+			if buildSpinner != nil {
+				buildSpinner.Error()
+			}
+			return err
+		}
+		if buildSpinner != nil {
+			buildSpinner.Success()
+		}
+	}
+	return nil
+}
+
 // CheckWindres checks if Windres is installed and if not, aborts
 func CheckWindres() (err error) {
 	if runtime.GOOS != "windows" { // FIXME: Handle windows cross-compile for windows!
@@ -421,18 +493,11 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 		}
 
 		// Update md5sum file
-		err := os.WriteFile(md5sumFile, []byte(packageJSONMD5), 0644)
-		if err != nil {
-			return err
-		}
+		ioutil.WriteFile(md5sumFile, []byte(packageJSONMD5), 0644)
 	}
 
 	// Install the runtime
-	if caller == "build" {
-		err = InstallProdRuntime(projectDir, projectOptions)
-	} else {
-		err = InstallBridge(projectDir, projectOptions)
-	}
+	err = InstallRuntime(caller, projectDir, projectOptions)
 	if err != nil {
 		return err
 	}
@@ -445,17 +510,28 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 	return nil
 }
 
+// InstallRuntime installs the correct runtime for the type of build
+func InstallRuntime(caller string, projectDir string, projectOptions *ProjectOptions) error {
+	if caller == "build" {
+		return InstallProdRuntime(projectDir, projectOptions)
+	}
+
+	return InstallBridge(projectDir, projectOptions)
+}
+
 // InstallBridge installs the relevant bridge javascript library
 func InstallBridge(projectDir string, projectOptions *ProjectOptions) error {
+	bridgeFileData := mewn.String("../runtime/assets/bridge.js")
 	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, "node_modules", "@wailsapp", "runtime", "init.js")
-	err := fs.CreateFile(bridgeFileTarget, wailsruntime.BridgeJS)
+	err := fs.CreateFile(bridgeFileTarget, []byte(bridgeFileData))
 	return err
 }
 
 // InstallProdRuntime installs the production runtime
 func InstallProdRuntime(projectDir string, projectOptions *ProjectOptions) error {
+	prodInit := mewn.String("../runtime/js/runtime/init.js")
 	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, "node_modules", "@wailsapp", "runtime", "init.js")
-	err := fs.CreateFile(bridgeFileTarget, wailsruntime.InitJS)
+	err := fs.CreateFile(bridgeFileTarget, []byte(prodInit))
 	return err
 }
 
@@ -519,9 +595,3 @@ func ldFlags(po *ProjectOptions, buildMode string) string {
 	}
 	return ldflags
 }
-
-func getGitConfigValue(key string) (string, error) {
-	output, err := exec.Command("git", "config", "--get", "--null", key).Output()
-	// When using --null git appends a null character (\u0000) to the command output
-	return strings.TrimRight(string(output), "\u0000"), err
-}

cmd/linux.go

@@ -67,10 +67,6 @@ const (
 	Ctlos
 	// EndeavourOS linux distribution
 	EndeavourOS
-	// Crux linux distribution
-	Crux
-	// RHEL distribution
-	RHEL
 )
 
 // DistroInfo contains all the information relating to a linux distribution
@@ -133,8 +129,6 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = Fedora
 	case "centos":
 		result.Distribution = CentOS
-	case "rhel":
-		result.Distribution = RHEL
 	case "arch":
 		result.Distribution = Arch
 	case "archlabs":
@@ -181,8 +175,6 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = Solus
 	case "endeavouros":
 		result.Distribution = EndeavourOS
-	case "crux":
-		result.Distribution = Crux
 	default:
 		result.Distribution = Unknown
 	}
@@ -263,17 +255,6 @@ func RpmInstalled(packageName string) (bool, error) {
 	return exitCode == 0, nil
 }
 
-// PrtGetInstalled uses prt-get to see if a package is installed
-func PrtGetInstalled(packageName string) (bool, error) {
-	program := NewProgramHelper()
-	prtget := program.FindProgram("prt-get")
-	if prtget == nil {
-		return false, fmt.Errorf("cannot check dependencies: prt-get not found")
-	}
-	_, _, exitCode, _ := prtget.Run("isinst", packageName)
-	return exitCode == 0, nil
-}
-
 // RequestSupportForDistribution promts the user to submit a request to support their
 // currently unsupported distribution
 func RequestSupportForDistribution(distroInfo *DistroInfo) error {

cmd/linuxdb.yaml

@@ -138,25 +138,6 @@ distributions:
             help: Please install with `sudo yum install gtk3-devel` and try again
           - name: webkitgtk3-devel
             help: Please install with `sudo yum install webkitgtk3-devel` and try again
-  rhel:
-    id: rhel
-    releases:
-      default:
-        version: default
-        name: Red Hat Enterprise Linux
-        gccversioncommand: *gccdumpversion
-        programs:
-          - name: gcc
-            help: Please install with `sudo yum install gcc-c++ make` and try again
-          - name: pkg-config
-            help: Please install with `sudo yum install pkgconf-pkg-config` and try again
-          - name: npm
-            help: Please install with `sudo yum install epel-release && sudo yum install nodejs` and try again
-        libraries:
-          - name: gtk3-devel
-            help: Please install with `sudo yum install gtk3-devel` and try again
-          - name: webkitgtk3-devel
-            help: Please install with `sudo yum install webkitgtk3-devel` and try again
   fedora:
     id: fedora
     releases:
@@ -326,22 +307,3 @@ distributions:
           gccversioncommand: *gccdumpfullversion
           programs: *opensusedefaultprograms
           libraries: *opensusedefaultlibraries
-  crux:
-      id: crux
-      releases:
-        default:
-          version: default
-          name: Crux Linux
-          gccversioncommand: *gccdumpversion
-          programs:
-            - name: gcc
-              help: Please install with `sudo prt-get depinst gcc-c++ make` and try again
-            - name: pkg-config
-              help: Please install with `sudo prt-get depinst pkg-config` and try again
-            - name: npm
-              help: Please install with `sudo prt-get depinst nodejs` and try again
-          libraries:
-            - name: gtk3
-              help: Please install with `sudo prt-get depinst gtk3` and try again
-            - name: webkitgtk
-              help: Please install with `sudo prt-get depinst webkitgtk` and try again

cmd/package.go

@@ -354,7 +354,7 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 			"docker", "run", "--rm",
 			"-v", outputDir + ":/build",
 			"--entrypoint", "/bin/sh",
-			"wailsapp/xgo:1.16.2",
+			"wailsapp/xgo:latest",
 			"-c", "/usr/bin/x86_64-w64-mingw32-windres -o /build/" + basename + "-res.syso /build/" + basename + ".rc",
 		}
 		if err := NewProgramHelper().RunCommandArray(args); err != nil {

cmd/system.go

@@ -99,16 +99,11 @@ func (s *SystemHelper) setup() error {
 
 	if config.Name != "" {
 		systemConfig["name"] = PromptRequired("What is your name", config.Name)
-	} else if n, err := getGitConfigValue("user.name"); err == nil && n != "" {
-		systemConfig["name"] = PromptRequired("What is your name", n)
 	} else {
 		systemConfig["name"] = PromptRequired("What is your name")
 	}
-
 	if config.Email != "" {
 		systemConfig["email"] = PromptRequired("What is your email address", config.Email)
-	} else if e, err := getGitConfigValue("user.email"); err == nil && e != "" {
-		systemConfig["email"] = PromptRequired("What is your email address", e)
 	} else {
 		systemConfig["email"] = PromptRequired("What is your email address")
 	}
@@ -185,7 +180,7 @@ func (s *SystemHelper) Initialise() error {
 	return s.setup()
 }
 
-// SystemConfig - Defines system wide configuration data
+// SystemConfig - Defines system wode configuration data
 type SystemConfig struct {
 	Name  string `json:"name"`
 	Email string `json:"email"`
@@ -283,7 +278,7 @@ func CheckDependencies(logger *Logger) (bool, error) {
 			libraryChecker = DpkgInstalled
 		case Arch, ArcoLinux, ArchLabs, Ctlos, Manjaro, ManjaroARM, EndeavourOS:
 			libraryChecker = PacmanInstalled
-		case CentOS, Fedora, Tumbleweed, Leap, RHEL:
+		case CentOS, Fedora, Tumbleweed, Leap:
 			libraryChecker = RpmInstalled
 		case Gentoo:
 			libraryChecker = EqueryInstalled
@@ -291,8 +286,6 @@ func CheckDependencies(logger *Logger) (bool, error) {
 			libraryChecker = XbpsInstalled
 		case Solus:
 			libraryChecker = EOpkgInstalled
-		case Crux:
-			libraryChecker = PrtGetInstalled
 		default:
 			return false, RequestSupportForDistribution(distroInfo)
 		}

cmd/templates/angular-template/frontend/package.json.template

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "scripts": {
     "ng": "npx ng",
-    "serve": "npx ng serve --poll=2000 --host=0.0.0.0",
+    "start": "npx ng serve --poll=2000 --host=0.0.0.0",
     "build": "npx ng build --single-bundle true --output-hashing none --prod --bundle-styles false",
     "test": "npx ng test",
     "lint": "npx ng lint",

cmd/templates/angular-template/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-    _ "embed"
+	"github.com/leaanthony/mewn"
 	"github.com/wailsapp/wails"
 )
 
@@ -9,14 +9,11 @@ func basic() string {
 	return "World!"
 }
 
-//go:embed frontend/dist/my-app/main.js
-var js string
-
-//go:embed frontend/dist/my-app/styles.css
-var css string
-
 func main() {
 
+	js := mewn.String("./frontend/dist/my-app/main.js")
+	css := mewn.String("./frontend/dist/my-app/styles.css")
+
 	app := wails.CreateApp(&wails.AppConfig{
 		Width:  1024,
 		Height: 768,

cmd/templates/angular-template/template.json

@@ -14,7 +14,7 @@
   "author": "bh90210 <ktc@pm.me>",
   "created": "2019-06-15 18:23:48.666414555 +0300 EEST m=+223.934866008",
   "frontenddir": "frontend",
-  "serve": "npm run serve",
+  "serve": "npx ng serve --poll=2000",
   "bridge": "src",
   "wailsdir": ""
 }

cmd/templates/create-react-app/frontend/package.json.template

@@ -12,7 +12,7 @@
     "@wailsapp/runtime": "^1.0.10"
   },
   "scripts": {
-    "serve": "react-scripts start",
+    "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"

cmd/templates/create-react-app/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  _ "embed"
+  "github.com/leaanthony/mewn"
   "github.com/wailsapp/wails"
 )
 
@@ -9,14 +9,11 @@ func basic() string {
   return "World!"
 }
 
-//go:embed frontend/build/static/js/main.js
-var js string
-
-//go:embed frontend/build/static/css/main.css
-var css string
-
 func main() {
 
+  js := mewn.String("./frontend/build/static/js/main.js")
+  css := mewn.String("./frontend/build/static/css/main.css")
+
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,
     Height: 768,

cmd/templates/create-react-app/template.json

@@ -8,7 +8,7 @@
   "author": "bh90210 <ktc@pm.me>",
   "created": "2019-06-07 18:23:48.666414555 +0300 EEST m=+223.934866008",
   "frontenddir": "frontend",
-  "serve": "npm run serve",
+  "serve": "npm run start",
   "bridge": "src",
   "wailsdir": ""
 }

cmd/templates/svelte/frontend/package.json.template

@@ -3,7 +3,7 @@
   "author": "{{.Author.Name}}<{{.Author.Email}}>",
   "scripts": {
     "build": "rollup -c",
-    "serve": "rollup -c -w",
+    "dev": "rollup -c -w",
     "start": "sirv public"
   },
   "devDependencies": {

cmd/templates/svelte/frontend/rollup.config.js

@@ -80,6 +80,7 @@ export default {
 				{
 				  targets: '> 0.25%, not dead, IE 11',
 				  modules: false,
+				  spec: true, 
 				  useBuiltIns: 'usage',
 				  forceAllTransforms: true,
 				  corejs: 3,

cmd/templates/svelte/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-    _ "embed"
+	"github.com/leaanthony/mewn"
 	"github.com/wailsapp/wails"
 )
 
@@ -9,13 +9,9 @@ func basic() string {
 	return "World!"
 }
 
-//go:embed frontend/public/build/bundle.js
-var js string
-
-//go:embed frontend/public/build/bundle.css
-var css string
-
 func main() {
+	js := mewn.String("./frontend/public/build/bundle.js")
+	css := mewn.String("./frontend/public/build/bundle.css")
 
 	app := wails.CreateApp(&wails.AppConfig{
 		Width:  1024,

cmd/templates/svelte/template.json

@@ -8,7 +8,7 @@
   "author": "Tim Kipp <timkipp.22.developer@gmail.com>",
   "created": "2020-09-06 13:06:10.469848 -0700 PDT m=+213.578828559",
   "frontenddir": "frontend",
-  "serve": "npm run serve",
+  "serve": "npm run dev",
   "bridge": "src",
   "wailsdir": ""
 }

cmd/templates/vanilla/main.go.template

@@ -1,18 +1,15 @@
 package main
 
 import (
-  _ "embed"
+  "github.com/leaanthony/mewn"
   "github.com/wailsapp/wails"
 )
 
-//go:embed frontend/build/main.js
-var js string
-
-//go:embed frontend/build/main.css
-var css string
-
 func main() {
 
+	js := mewn.String("./frontend/build/main.js")
+	css := mewn.String("./frontend/build/main.css")
+
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,
     Height: 768,

cmd/templates/vue3-full/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  _ "embed"
+  "github.com/leaanthony/mewn"
   "github.com/wailsapp/wails"
 )
 
@@ -9,14 +9,11 @@ func basic() string {
   return "Hello World!"
 }
 
-//go:embed frontend/dist/app.js
-var js string
-
-//go:embed frontend/dist/app.css
-var css string
-
 func main() {
 
+  js := mewn.String("./frontend/dist/app.js")
+  css := mewn.String("./frontend/dist/app.css")
+
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,
     Height: 768,

cmd/templates/vuebasic/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  _ "embed"
+  "github.com/leaanthony/mewn"
   "github.com/wailsapp/wails"
 )
 
@@ -9,14 +9,11 @@ func basic() string {
   return "Hello World!"
 }
 
-//go:embed frontend/dist/app.js
-var js string
-
-//go:embed frontend/dist/app.css
-var css string
-
 func main() {
 
+  js := mewn.String("./frontend/dist/app.js")
+  css := mewn.String("./frontend/dist/app.css")
+
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,
     Height: 768,

cmd/templates/vuetify-basic/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  _ "embed"
+  "github.com/leaanthony/mewn"
   "github.com/wailsapp/wails"
 )
 
@@ -9,14 +9,11 @@ func basic() string {
   return "Hello World!"
 }
 
-//go:embed frontend/dist/app.js
-var js string
-
-//go:embed frontend/dist/app.css
-var css string
-
 func main() {
 
+  js := mewn.String("./frontend/dist/app.js")
+  css := mewn.String("./frontend/dist/app.css")
+
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,
     Height: 768,

cmd/templates/vuetify2-basic/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  _ "embed"
+  "github.com/leaanthony/mewn"
   "github.com/wailsapp/wails"
 )
 
@@ -9,14 +9,11 @@ func basic() string {
   return "Hello World!"
 }
 
-//go:embed frontend/dist/app.js
-var js string
-
-//go:embed frontend/dist/app.css
-var css string
-
 func main() {
 
+  js := mewn.String("./frontend/dist/app.js")
+  css := mewn.String("./frontend/dist/app.css")
+
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,
     Height: 768,

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v1.16.2"
+const Version = "v1.11.0"

cmd/wails/0_setup.go

@@ -39,6 +39,12 @@ Create your first project by running 'wails init'.`
 			return err
 		}
 
+		// Check Mewn
+		err = cmd.CheckMewn(false)
+		if err != nil {
+			return err
+		}
+
 		// Check for errors
 		// CheckDependencies() returns !errors
 		// so to get the right message in this

cmd/wails/4_build.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"log"
 	"os"
 	"runtime"
 	"strings"
@@ -53,10 +52,7 @@ func init() {
 
 	var b strings.Builder
 	for _, plat := range getSupportedPlatforms() {
-		_, err := fmt.Fprintf(&b, " - %s\n", plat)
-		if err != nil {
-			log.Fatal(err)
-		}
+		fmt.Fprintf(&b, " - %s\n", plat)
 	}
 	initCmd.StringFlag("x",
 		fmt.Sprintf("Cross-compile application to specified platform via xgo\n%s", b.String()),
@@ -84,7 +80,7 @@ func init() {
 		fs := cmd.NewFSHelper()
 		err := projectOptions.LoadConfig(fs.Cwd())
 		if err != nil {
-			return fmt.Errorf("unable to find 'project.json'. Please check you are in a Wails project directory")
+			return fmt.Errorf("Unable to find 'project.json'. Please check you are in a Wails project directory")
 		}
 
 		// Set firebug flag
@@ -147,6 +143,12 @@ func init() {
 			if err != nil {
 				return err
 			}
+
+			// Ensure that runtime init.js is the production version
+			err = cmd.InstallProdRuntime(projectDir, projectOptions)
+			if err != nil {
+				return err
+			}
 		}
 
 		// Move to project directory

cmd/wails/6_serve.go

@@ -27,13 +27,19 @@ func init() {
 		logger.PrintSmallBanner(message)
 		fmt.Println()
 
+		// Check Mewn is installed
+		err := cmd.CheckMewn(verbose)
+		if err != nil {
+			return err
+		}
+
 		// Project options
 		projectOptions := &cmd.ProjectOptions{}
 
 		// Check we are in project directory
 		// Check project.json loads correctly
 		fs := cmd.NewFSHelper()
-		err := projectOptions.LoadConfig(fs.Cwd())
+		err = projectOptions.LoadConfig(fs.Cwd())
 		if err != nil {
 			return err
 		}

config.go

@@ -31,18 +31,6 @@ type AppConfig struct {
 	// Indicates whether your app should be resizable
 	Resizable bool
 
-	// Minimum width of a resizable window. If set, MinHeight should also be set.
-	MinWidth int
-
-	// Minimum height of a resizable window. If set, MinWidth should also be set.
-	MinHeight int
-
-	// Maximum width of a resizable window. If set, MaxHeight should also be set.
-	MaxWidth int
-
-	// Maximum height of a resizable window. If set, MaxWidth should also be set.
-	MaxHeight int
-
 	// Indicated if the devtools should be disabled
 	DisableInspector bool
 }
@@ -77,26 +65,6 @@ func (a *AppConfig) GetResizable() bool {
 	return a.Resizable
 }
 
-// GetMinWidth returns the minimum width of the window
-func (a *AppConfig) GetMinWidth() int {
-	return a.MinWidth
-}
-
-// GetMinHeight returns the minimum height of the window
-func (a *AppConfig) GetMinHeight() int {
-	return a.MinHeight
-}
-
-// GetMaxWidth returns the maximum width of the window
-func (a *AppConfig) GetMaxWidth() int {
-	return a.MaxWidth
-}
-
-// GetMaxHeight returns the maximum height of the window
-func (a *AppConfig) GetMaxHeight() int {
-	return a.MaxHeight
-}
-
 // GetDisableInspector returns true if the inspector should be disabled
 func (a *AppConfig) GetDisableInspector() bool {
 	return a.DisableInspector
@@ -147,23 +115,6 @@ func (a *AppConfig) merge(in *AppConfig) error {
 	if in.Height != 0 {
 		a.Height = in.Height
 	}
-
-	if in.MinWidth != 0 {
-		a.MinWidth = in.MinWidth
-	}
-
-	if in.MinHeight != 0 {
-		a.MinHeight = in.MinHeight
-	}
-
-	if in.MaxWidth != 0 {
-		a.MaxWidth = in.MaxWidth
-	}
-
-	if in.MaxHeight != 0 {
-		a.MaxHeight = in.MaxHeight
-	}
-
 	a.Resizable = in.Resizable
 	a.DisableInspector = in.DisableInspector
 
@@ -176,10 +127,6 @@ func newConfig(userConfig *AppConfig) (*AppConfig, error) {
 		Width:     800,
 		Height:    600,
 		Resizable: true,
-		MinWidth:  -1,
-		MinHeight: -1,
-		MaxWidth:  -1,
-		MaxHeight: -1,
 		Title:     "My Wails App",
 		Colour:    "#FFF", // White by default
 		HTML:      defaultHTML,

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/jackmordaunt/icns v1.0.0
 	github.com/kennygrant/sanitize v1.2.4
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
+	github.com/leaanthony/mewn v0.10.7
 	github.com/leaanthony/slicer v1.4.0
 	github.com/leaanthony/spinner v0.5.3
 	github.com/mattn/go-colorable v0.1.1 // indirect
@@ -21,10 +22,10 @@ require (
 	github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba
 	golang.org/x/image v0.0.0-20200430140353-33d19683fad8
 	golang.org/x/net v0.0.0-20200625001655-4c5254603344 // indirect
-	golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
+	golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c
 	golang.org/x/text v0.3.0
 	gopkg.in/AlecAivazis/survey.v1 v1.8.4
 	gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22
 )
 
-go 1.16
+go 1.13

go.sum

@@ -26,6 +26,8 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.2 h1:DB17ag19krx9CFsz4o3
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/pty v1.1.1 h1:VkoXIwSboBpnk99O/KFauAEILuNHv5DVFKZMBN/gUgw=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/leaanthony/mewn v0.10.7 h1:jCcNJyIUOpwj+I5SuATvCugDjHkoo+j6ubEOxxrxmPA=
+github.com/leaanthony/mewn v0.10.7/go.mod h1:CRkTx8unLiSSilu/Sd7i1LwrdaAL+3eQ3ses99qGMEQ=
 github.com/leaanthony/slicer v1.4.0 h1:Q9u4w+UBU4WHjXnEDdz+eRLMKF/rnyosRBiqULnc1J8=
 github.com/leaanthony/slicer v1.4.0/go.mod h1:FwrApmf8gOrpzEWM2J/9Lh79tyq8KTX5AzRtwV7m4AY=
 github.com/leaanthony/spinner v0.5.3 h1:IMTvgdQCec5QA4qRy0wil4XsRP+QcG1OwLWVK/LPZ5Y=
@@ -64,6 +66,7 @@ github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba h1:2DHfQOxcpWdGf5
 github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba/go.mod h1:iLnlXG2Pakcii2CU0cbY07DRCSvpWNa7nFxtevhOChk=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/image v0.0.0-20200430140353-33d19683fad8 h1:6WW6V3x1P/jokJBpRQYUJnMHRP6isStQwCozxnU7XQw=
 golang.org/x/image v0.0.0-20200430140353-33d19683fad8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
@@ -78,6 +81,8 @@ golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c h1:UIcGWL6/wpCfyGuJnRFJRurA+yj8RrW7Q6x2YMCXt6c=
+golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/AlecAivazis/survey.v1 v1.8.4 h1:10xXXN3wgIhPheb5NI58zFgZv32Ana7P3Tl4shW+0Qc=

lib/binding/manager.go

@@ -115,15 +115,15 @@ func (b *Manager) generateTypescriptDefinitions() error {
 
 	for structname, methodList := range b.structList {
 		structname = strings.SplitN(structname, ".", 2)[1]
-		output.WriteString(fmt.Sprintf("interface %s {\n", structname))
+		output.WriteString(fmt.Sprintf("Interface %s {\n", structname))
 		for _, method := range methodList {
-			output.WriteString(fmt.Sprintf("\t%s(...args : any[]):Promise<any>\n", method))
+			output.WriteString(fmt.Sprintf("\t%s: (...args : any[]) => Promise\n", method))
 		}
 		output.WriteString("}\n")
 	}
 
 	output.WriteString("\n")
-	output.WriteString("interface Backend {\n")
+	output.WriteString("Interface Backend {\n")
 
 	for structname := range b.structList {
 		structname = strings.SplitN(structname, ".", 2)[1]
@@ -136,8 +136,7 @@ declare global {
 	interface Window {
 		backend: Backend;
 	}
-}
-export {};`
+}`
 	output.WriteString(globals)
 
 	b.log.Info("Written Typescript file: " + typescriptDefinitionFilename)

lib/event/manager.go

@@ -18,7 +18,6 @@ type Manager struct {
 	log            *logger.CustomLogger
 	renderer       interfaces.Renderer // Messages will be dispatched to the frontend
 	wg             sync.WaitGroup
-	mu             sync.Mutex
 }
 
 // NewManager creates a new event manager with a 100 event buffer
@@ -43,12 +42,12 @@ func (e *Manager) PushEvent(eventData *messages.EventData) {
 // means it does not expire (default).
 type eventListener struct {
 	callback func(...interface{}) // Function to call with emitted event data
-	counter  uint                 // Expire after counter callbacks. 0 = infinite
+	counter  int                  // Expire after counter callbacks. 0 = infinite
 	expired  bool                 // Indicates if the listener has expired
 }
 
 // Creates a new event listener from the given callback function
-func (e *Manager) addEventListener(eventName string, callback func(...interface{}), counter uint) error {
+func (e *Manager) addEventListener(eventName string, callback func(...interface{}), counter int) error {
 
 	// Sanity check inputs
 	if callback == nil {
@@ -76,30 +75,7 @@ func (e *Manager) addEventListener(eventName string, callback func(...interface{
 // On adds a listener for the given event
 func (e *Manager) On(eventName string, callback func(...interface{})) {
 	// Add a persistent eventListener (counter = 0)
-	err := e.addEventListener(eventName, callback, 0)
-	if err != nil {
-		e.log.Error(err.Error())
-	}
-}
-
-// Once adds a listener for the given event that will auto remove
-// after one callback
-func (e *Manager) Once(eventName string, callback func(...interface{})) {
-	// Add a persistent eventListener (counter = 0)
-	err := e.addEventListener(eventName, callback, 1)
-	if err != nil {
-		e.log.Error(err.Error())
-	}
-}
-
-// OnMultiple adds a listener for the given event that will trigger
-// at most <counter> times.
-func (e *Manager) OnMultiple(eventName string, callback func(...interface{}), counter uint) {
-	// Add a persistent eventListener (counter = 0)
-	err := e.addEventListener(eventName, callback, counter)
-	if err != nil {
-		e.log.Error(err.Error())
-	}
+	e.addEventListener(eventName, callback, 0)
 }
 
 // Emit broadcasts the given event to the subscribed listeners
@@ -132,24 +108,20 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 				})
 
 				// Notify renderer
-				err := e.renderer.NotifyEvent(event)
-				if err != nil {
-					e.log.Error(err.Error())
-				}
+				e.renderer.NotifyEvent(event)
 
-				e.mu.Lock()
+				// Notify Go listeners
+				var listenersToRemove []*eventListener
 
 				// Iterate listeners
 				for _, listener := range e.listeners[event.Name] {
 
-					if !listener.expired {
-						// Call listener, perhaps with data
-						if event.Data == nil {
-							go listener.callback()
-						} else {
-							unpacked := event.Data.([]interface{})
-							go listener.callback(unpacked...)
-						}
+					// Call listener, perhaps with data
+					if event.Data == nil {
+						go listener.callback()
+					} else {
+						unpacked := event.Data.([]interface{})
+						go listener.callback(unpacked...)
 					}
 
 					// Update listen counter
@@ -161,8 +133,15 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 					}
 				}
 
-				e.mu.Unlock()
-
+				// Remove expired listeners in place
+				if len(listenersToRemove) > 0 {
+					listeners := e.listeners[event.Name][:0]
+					for _, listener := range listeners {
+						if !listener.expired {
+							listeners = append(listeners, listener)
+						}
+					}
+				}
 			case <-e.quitChannel:
 				e.running = false
 			}

lib/interfaces/appconfig.go

@@ -5,10 +5,6 @@ type AppConfig interface {
 	GetWidth() int
 	GetHeight() int
 	GetTitle() string
-	GetMinWidth() int
-	GetMinHeight() int
-	GetMaxWidth() int
-	GetMaxHeight() int
 	GetResizable() bool
 	GetHTML() string
 	GetDisableInspector() bool

lib/interfaces/eventmanager.go

@@ -6,8 +6,6 @@ import "github.com/wailsapp/wails/lib/messages"
 type EventManager interface {
 	PushEvent(*messages.EventData)
 	Emit(eventName string, optionalData ...interface{})
-	OnMultiple(eventName string, callback func(...interface{}), counter uint)
-	Once(eventName string, callback func(...interface{}))
 	On(eventName string, callback func(...interface{}))
 	Start(Renderer)
 	Shutdown()

lib/interfaces/renderer.go

@@ -22,10 +22,6 @@ type Renderer interface {
 
 	// Window Runtime
 	SetColour(string) error
-
-	SetMinSize(width, height int)
-	SetMaxSize(width, height int)
-
 	Fullscreen()
 	UnFullscreen()
 	SetTitle(title string)

lib/interfaces/runtime.go

@@ -1,4 +1,4 @@
 package interfaces
 
 // Runtime interface
-type Runtime interface{}
+type Runtime interface {}

lib/renderer/bridge/bridge.go

@@ -186,18 +186,6 @@ func (h *Bridge) SetColour(colour string) error {
 	return nil
 }
 
-// SetMinSize is unsupported for Bridge but required
-// for the Renderer interface
-func (h *Bridge) SetMinSize(width, height int) {
-	h.log.Warn("SetMinSize() unsupported in bridge mode")
-}
-
-// SetMaxSize is unsupported for Bridge but required
-// for the Renderer interface
-func (h *Bridge) SetMaxSize(width, height int) {
-	h.log.Warn("SetMaxSize() unsupported in bridge mode")
-}
-
 // Fullscreen is unsupported for Bridge but required
 // for the Renderer interface
 func (h *Bridge) Fullscreen() {

lib/renderer/bridge/session.go

@@ -3,9 +3,8 @@ package renderer
 import (
 	"time"
 
-	"github.com/wailsapp/wails/runtime"
-
 	"github.com/gorilla/websocket"
+	"github.com/leaanthony/mewn"
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 )
@@ -59,7 +58,8 @@ func (s *session) start(firstSession bool) {
 	s.log.Infof("Connected to frontend.")
 	go s.writePump()
 
-	s.evalJS(runtime.WailsJS, wailsRuntimeMessage)
+	wailsRuntime := mewn.String("../../runtime/assets/wails.js")
+	s.evalJS(wailsRuntime, wailsRuntimeMessage)
 
 	// Inject bindings
 	for _, binding := range s.bindingCache {

lib/renderer/webview.go

@@ -8,9 +8,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/wailsapp/wails/runtime"
-
 	"github.com/go-playground/colors"
+	"github.com/leaanthony/mewn"
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 	"github.com/wailsapp/wails/lib/messages"
@@ -30,7 +29,6 @@ type WebView struct {
 	config       interfaces.AppConfig
 	eventManager interfaces.EventManager
 	bindingCache []string
-	maximumSizeSet bool
 }
 
 // NewWebView returns a new WebView struct
@@ -54,37 +52,10 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 	// Save the config
 	w.config = config
 
-	width := config.GetWidth()
-	height := config.GetHeight()
-
-	// Clamp width and height
-	minWidth, minHeight := config.GetMinWidth(), config.GetMinHeight()
-	maxWidth, maxHeight := config.GetMaxWidth(), config.GetMaxHeight()
-	setMinSize := minWidth != -1 && minHeight != -1
-	setMaxSize := maxWidth != -1 && maxHeight != -1
-
-	if setMinSize {
-		if width < minWidth {
-			width = minWidth
-		}
-		if height < minHeight {
-			height = minHeight
-		}
-	}
-
-	if setMaxSize {
-		if width > maxWidth {
-			width = maxWidth
-		}
-		if height > maxHeight {
-			height = maxHeight
-		}
-	}
-
 	// Create the WebView instance
 	w.window = wv.NewWebview(wv.Settings{
-		Width:     width,
-		Height:    height,
+		Width:     config.GetWidth(),
+		Height:    config.GetHeight(),
 		Title:     config.GetTitle(),
 		Resizable: config.GetResizable(),
 		URL:       config.GetHTML(),
@@ -93,24 +64,6 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 			w.ipc.Dispatch(message, w.callback)
 		},
 	})
-		fmt.Println("Control")
-
-	// Set minimum and maximum sizes
-	if setMinSize {
-		w.SetMinSize(minWidth, minHeight)
-	}
-	if setMaxSize {
-		w.SetMaxSize(maxWidth, maxHeight)
-		fmt.Println("Max")
-	}
-
-	// Set minimum and maximum sizes
-	if setMinSize {
-		w.SetMinSize(minWidth, minHeight)
-	}
-	if setMaxSize {
-		w.SetMaxSize(maxWidth, maxHeight)
-	}
 
 	// SignalManager.OnExit(w.Exit)
 
@@ -121,7 +74,6 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 	}
 
 	w.log.Info("Initialised")
-
 	return nil
 }
 
@@ -231,8 +183,8 @@ func (w *WebView) Run() error {
 	}
 
 	// Runtime assets
-	w.log.DebugFields("Injecting wails JS runtime", logger.Fields{"js": runtime.WailsJS})
-	w.evalJS(runtime.WailsJS)
+	wailsRuntime := mewn.String("../../runtime/assets/wails.js")
+	w.evalJS(wailsRuntime)
 
 	// Ping the wait channel when the wails runtime is loaded
 	w.eventManager.On("wails:loaded", func(...interface{}) {
@@ -255,9 +207,10 @@ func (w *WebView) Run() error {
 				w.injectCSS(w.config.GetCSS())
 			} else {
 				// Use default wails css
+				w.log.Debug("Injecting Default Wails CSS")
+				defaultCSS := mewn.String("../../runtime/assets/wails.css")
 
-				w.log.Debug("Injecting Default Wails CSS: " + runtime.WailsCSS)
-				w.injectCSS(runtime.WailsCSS)
+				w.injectCSS(defaultCSS)
 			}
 
 			// Inject user JS
@@ -303,9 +256,6 @@ func (w *WebView) SelectFile(title string, filter string) string {
 			wg.Done()
 		})
 	}()
-
-	defer w.focus() // Ensure the main window is put back into focus afterwards
-
 	wg.Wait()
 	return result
 }
@@ -324,9 +274,6 @@ func (w *WebView) SelectDirectory() string {
 			wg.Done()
 		})
 	}()
-
-	defer w.focus() // Ensure the main window is put back into focus afterwards
-
 	wg.Wait()
 	return result
 }
@@ -345,20 +292,10 @@ func (w *WebView) SelectSaveFile(title string, filter string) string {
 			wg.Done()
 		})
 	}()
-
-	defer w.focus() // Ensure the main window is put back into focus afterwards
-
 	wg.Wait()
 	return result
 }
 
-// focus puts the main window into focus
-func (w *WebView) focus() {
-	w.window.Dispatch(func() {
-		w.window.Focus()
-	})
-}
-
 // callback sends a callback to the frontend
 func (w *WebView) callback(data string) error {
 	callbackCMD := fmt.Sprintf("window.wails._.Callback('%s');", data)
@@ -400,37 +337,11 @@ func (w *WebView) NotifyEvent(event *messages.EventData) error {
 	return w.evalJS(message)
 }
 
-// SetMinSize sets the minimum size of a resizable window
-func (w *WebView) SetMinSize(width, height int) {
-	if w.config.GetResizable() == false {
-		w.log.Warn("Cannot call SetMinSize() - App.Resizable = false")
-		return
-	}
-	w.window.Dispatch(func() {
-		w.window.SetMinSize(width, height)
-	})
-}
-
-// SetMaxSize sets the maximum size of a resizable window
-func (w *WebView) SetMaxSize(width, height int) {
-	if w.config.GetResizable() == false {
-		w.log.Warn("Cannot call SetMaxSize() - App.Resizable = false")
-		return
-	}
-	w.maximumSizeSet = true
-	w.window.Dispatch(func() {
-		w.window.SetMaxSize(width, height)
-	})
-}
-
 // Fullscreen makes the main window go fullscreen
 func (w *WebView) Fullscreen() {
 	if w.config.GetResizable() == false {
 		w.log.Warn("Cannot call Fullscreen() - App.Resizable = false")
 		return
-	} else if w.maximumSizeSet {
-		w.log.Warn("Cannot call Fullscreen() - Maximum size of window set")
-		return
 	}
 	w.window.Dispatch(func() {
 		w.window.SetFullscreen(true)

lib/renderer/webview/webview.go

@@ -65,18 +65,6 @@ static inline void CgoWebViewSetTitle(void *w, char *title) {
 	webview_set_title((struct webview *)w, title);
 }
 
-static inline void CgoWebViewFocus(void *w) {
-	webview_focus((struct webview *)w);
-}
-
-static inline void CgoWebViewMinSize(void *w, int width, int height) {
-	webview_minsize((struct webview *)w, width, height);
-}
-
-static inline void CgoWebViewMaxSize(void *w, int width, int height) {
-	webview_maxsize((struct webview *)w, width, height);
-}
-
 static inline void CgoWebViewSetFullscreen(void *w, int fullscreen) {
 	webview_set_fullscreen((struct webview *)w, fullscreen);
 }
@@ -182,16 +170,6 @@ type WebView interface {
 	// SetTitle() changes window title. This method must be called from the main
 	// thread only. See Dispatch() for more details.
 	SetTitle(title string)
-
-	// Focus() puts the main window into focus
-	Focus()
-
-	// SetMinSize() sets the minimum size of the window
-	SetMinSize(width, height int)
-
-	// SetMaxSize() sets the maximum size of the window
-	SetMaxSize(width, height int)
-
 	// SetFullscreen() controls window full-screen mode. This method must be
 	// called from the main thread only. See Dispatch() for more details.
 	SetFullscreen(fullscreen bool)
@@ -329,18 +307,6 @@ func (w *webview) SetColor(r, g, b, a uint8) {
 	C.CgoWebViewSetColor(w.w, C.uint8_t(r), C.uint8_t(g), C.uint8_t(b), C.uint8_t(a))
 }
 
-func (w *webview) Focus() {
-	C.CgoWebViewFocus(w.w)
-}
-
-func (w *webview) SetMinSize(width, height int) {
-	C.CgoWebViewMinSize(w.w, C.int(width), C.int(height))
-}
-
-func (w *webview) SetMaxSize(width, height int) {
-	C.CgoWebViewMaxSize(w.w, C.int(width), C.int(height))
-}
-
 func (w *webview) SetFullscreen(fullscreen bool) {
 	C.CgoWebViewSetFullscreen(w.w, C.int(boolToInt(fullscreen)))
 }
@@ -387,9 +353,7 @@ func _webviewDispatchGoCallback(index unsafe.Pointer) {
 	f = fns[uintptr(index)]
 	delete(fns, uintptr(index))
 	m.Unlock()
-	if f != nil {
-		f()
-	}
+	f()
 }
 
 //export _webviewExternalInvokeCallback
@@ -405,7 +369,5 @@ func _webviewExternalInvokeCallback(w unsafe.Pointer, data unsafe.Pointer) {
 		}
 	}
 	m.Unlock()
-	if cb != nil {
-		cb(wv, C.GoString((*C.char)(data)))
-	}
+	cb(wv, C.GoString((*C.char)(data)))
 }

lib/renderer/webview/webview.h

@@ -54,11 +54,6 @@ extern "C"
     int ready;
     int js_busy;
     int should_exit;
-    
-    int min_width;
-    int min_height;
-    int max_width;
-    int max_height;
   };
 #elif defined(WEBVIEW_WINAPI)
 #define CINTERFACE
@@ -80,11 +75,6 @@ struct webview_priv
   DWORD saved_style;
   DWORD saved_ex_style;
   RECT saved_rect;
-
-  int min_width;
-  int min_height;
-  int max_width;
-  int max_height;
 };
 #elif defined(WEBVIEW_COCOA)
 #import <Cocoa/Cocoa.h>
@@ -178,9 +168,6 @@ struct webview_priv
   WEBVIEW_API int webview_eval(struct webview *w, const char *js);
   WEBVIEW_API int webview_inject_css(struct webview *w, const char *css);
   WEBVIEW_API void webview_set_title(struct webview *w, const char *title);
-  WEBVIEW_API void webview_focus(struct webview *w);
-  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height);  
-  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height);
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen);
   WEBVIEW_API void webview_set_color(struct webview *w, uint8_t r, uint8_t g,
                                      uint8_t b, uint8_t a);
@@ -342,12 +329,6 @@ struct webview_priv
     w->priv.should_exit = 0;
     w->priv.queue = g_async_queue_new();
     w->priv.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-    
-    w->priv.min_width = -1;
-    w->priv.min_height = -1;
-    w->priv.max_width = -1;
-    w->priv.max_height = -1;
-    
     gtk_window_set_title(GTK_WINDOW(w->priv.window), w->title);
 
     if (w->resizable)
@@ -415,49 +396,6 @@ struct webview_priv
     gtk_window_set_title(GTK_WINDOW(w->priv.window), title);
   }
 
-  WEBVIEW_API void webview_focus(struct webview *w)
-  {
-    gtk_window_present(GTK_WINDOW(w->priv.window));
-  }
-
-  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height) {
-  
-    w->priv.min_width = width;
-    w->priv.min_height = height;
-
-    GdkGeometry hints;
-    GdkWindowHints usedHints = (GdkWindowHints) GDK_HINT_MIN_SIZE;
-    
-    hints.min_width = w->priv.min_width;
-    hints.min_height = w->priv.min_height;
-    if (w->priv.max_width != -1) {
-      hints.max_width = w->priv.max_width;
-      hints.max_height = w->priv.max_height;
-      usedHints = (GdkWindowHints)(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
-    }
-    
-    gtk_window_set_geometry_hints(GTK_WINDOW(w->priv.window), w->priv.window, &hints, usedHints);
-  }
-
-  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height) {
-    
-    w->priv.max_width = width;
-    w->priv.max_height = height;
-  
-    GdkGeometry hints;
-    GdkWindowHints usedHints = (GdkWindowHints) GDK_HINT_MAX_SIZE;
-    
-    if (w->priv.min_width != -1) {
-      hints.min_width = w->priv.min_width;
-      hints.min_height = w->priv.min_height;
-      usedHints = (GdkWindowHints)(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
-    }
-    hints.max_width = w->priv.max_width;
-    hints.max_height = w->priv.max_height;
-    
-    gtk_window_set_geometry_hints(GTK_WINDOW(w->priv.window), w->priv.window, &hints, usedHints);
-  }
-
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     if (fullscreen)
@@ -1393,39 +1331,7 @@ struct webview_priv
     case WM_CREATE:
       w = (struct webview *)((CREATESTRUCT *)lParam)->lpCreateParams;
       w->priv.hwnd = hwnd;
-
       return EmbedBrowserObject(w);
-    case WM_GETMINMAXINFO:
-    {
-      if (w != NULL) {
-        // get pixel density 
-        HDC hDC = GetDC(NULL);
-        double DPIScaleX = GetDeviceCaps(hDC, 88)/96.0;
-        double DPIScaleY = GetDeviceCaps(hDC, 90)/96.0;
-        ReleaseDC(NULL, hDC);
-      	
-        RECT rcClient, rcWind;
-        POINT ptDiff;
-        GetClientRect(hwnd, &rcClient);
-        GetWindowRect(hwnd, &rcWind);
-
-        int widthExtra = (rcWind.right - rcWind.left) - rcClient.right;
-        int heightExtra = (rcWind.bottom - rcWind.top) - rcClient.bottom;
-
-        LPMINMAXINFO lpMMI = (LPMINMAXINFO)lParam;
-      
-        if (w->priv.min_width != -1) {
-          lpMMI->ptMinTrackSize.x = w->priv.min_width * DPIScaleX + widthExtra;
-          lpMMI->ptMinTrackSize.y = w->priv.min_height * DPIScaleY + heightExtra;
-        }
-        if (w->priv.max_width != -1) {
-          lpMMI->ptMaxTrackSize.x = w->priv.max_width * DPIScaleX + widthExtra;
-          lpMMI->ptMaxTrackSize.y = w->priv.max_height * DPIScaleY + heightExtra;
-        }
-      }
-      
-      return 0;
-    }
     case WM_DESTROY:
       UnEmbedBrowserObject(w);
       PostQuitMessage(0);
@@ -1490,9 +1396,6 @@ struct webview_priv
 
   WEBVIEW_API int webview_init(struct webview *w)
   {
-    w->priv.min_width = -1;
-    w->priv.max_width = -1;
-
     WNDCLASSEX wc;
     HINSTANCE hInstance;
     DWORD style;
@@ -1738,21 +1641,6 @@ struct webview_priv
 #endif
   }
 
-  WEBVIEW_API void webview_focus(struct webview *w)
-  {
-    SetFocus(w->priv.hwnd);
-  }
-
-  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height) {
-    w->priv.min_width = width;
-    w->priv.min_height = height;
-  }
-
-  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height) {
-    w->priv.max_width = width;
-    w->priv.max_height = height;
-  }
-
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     if (w->priv.is_fullscreen == !!fullscreen)
@@ -2320,29 +2208,6 @@ struct webview_priv
     [w->priv.window setTitle:nsTitle];
   }
 
-  WEBVIEW_API void webview_focus(struct webview *w)
-  {
-    [w->priv.window makeKeyWindow];
-  }
-  
-  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height) {
-    NSSize size;
-    size.width = width;
-    size.height = height;
-    [w->priv.window setMinSize:size];
-  }
-  
-  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height) {
-    NSSize size;
-    size.width = width;
-    size.height = height;
-    [w->priv.window setMaxSize:size];
-
-    NSButton *button = [w->priv.window standardWindowButton:NSWindowZoomButton];
-    [button performSelectorOnMainThread:@selector(setEnabled:) withObject:NO
-    waitUntilDone:NO];
-  }
-  
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     int b = ((([w->priv.window styleMask] & NSWindowStyleMaskFullScreen) ==
@@ -2497,4 +2362,4 @@ struct webview_priv
 }
 #endif
 
-#endif /* WEBVIEW_H */
+#endif /* WEBVIEW_H */

package-lock.json

@@ -1,3 +0,0 @@
-{
-  "lockfileVersion": 1
-}

runtime/assets.go

@@ -1,15 +0,0 @@
-package runtime
-
-import _ "embed"
-
-//go:embed assets/bridge.js
-var BridgeJS []byte
-
-//go:embed assets/wails.js
-var WailsJS string
-
-//go:embed assets/wails.css
-var WailsCSS string
-
-//go:embed js/runtime/init.js
-var InitJS []byte

runtime/events.go

@@ -19,16 +19,6 @@ func (r *Events) On(eventName string, callback func(optionalData ...interface{})
 	r.eventManager.On(eventName, callback)
 }
 
-// Once pass through
-func (r *Events) Once(eventName string, callback func(optionalData ...interface{})) {
-	r.eventManager.Once(eventName, callback)
-}
-
-// OnMultiple pass through
-func (r *Events) OnMultiple(eventName string, callback func(optionalData ...interface{}), counter uint) {
-	r.eventManager.OnMultiple(eventName, callback, counter)
-}
-
 // Emit pass through
 func (r *Events) Emit(eventName string, optionalData ...interface{}) {
 	r.eventManager.Emit(eventName, optionalData...)

runtime/js/.eslintrc

@@ -3,12 +3,12 @@
         "browser": true,
         "es6": true,
         "amd": true,
-        "node": true,
+        "node": true
     },
     "extends": "eslint:recommended",
     "parserOptions": {
         "ecmaVersion": 2016,
-        "sourceType": "module",
+        "sourceType": "module"
     },
     "rules": {
         "indent": [

runtime/js/core/browser.js

@@ -26,7 +26,7 @@ export function OpenURL(url) {
  * Opens the given filename using the system's default file handler
  *
  * @export
- * @param {sting} filename
+ * @param {string} filename
  * @returns
  */
 export function OpenFile(filename) {

runtime/js/core/calls.js

@@ -62,7 +62,7 @@ if (window.crypto) {
 export function Call(bindingName, data, timeout) {
 
 	// Timeout infinite by default
-	if (timeout == null || timeout == undefined) {
+	if (timeout == null) {
 		timeout = 0;
 	}
 

runtime/js/core/ipc.js

@@ -45,7 +45,7 @@ function Invoke(message) {
  *
  * @export
  * @param {string} type
- * @param {string} payload
+ * @param {Object} payload
  * @param {string=} callbackID
  */
 export function SendMessage(type, payload, callbackID) {

runtime/js/core/main.js

@@ -1,9 +1,9 @@
 /*
- _       __      _ __
+ _       __      _ __    
 | |     / /___ _(_) /____
 | | /| / / __ `/ / / ___/
-| |/ |/ / /_/ / / (__  )
-|__/|__/\__,_/_/_/____/
+| |/ |/ / /_/ / / (__  ) 
+|__/|__/\__,_/_/_/____/  
 The lightweight framework for web-like apps
 (c) Lea Anthony 2019-present
 */
@@ -21,14 +21,6 @@ import * as Store from './store';
 window.wails = window.wails || {};
 window.backend = {};
 
-// On webkit2gtk >= 2.32, the external object is not passed
-// to the window context,
-window.external = window.external || {
-	invoke: function(x) {
-		window.webkit.messageHandlers.external.postMessage(x);
-	}
-};
-
 // Setup internal calls
 var internal = {
 	NewBinding,
@@ -69,7 +61,7 @@ window.onerror = function (msg, url, lineNo, columnNo, error) {
 };
 
 // Use firebug?
-if( window.usefirebug ) {
+if( window.usefirebug ) { 
 	InjectFirebug();
 }
 
@@ -79,4 +71,4 @@ Emit('wails:loaded');
 // Nothing to init in production
 export function Init(callback) {
 	callback();
-}
+}

runtime/js/package-lock.json

@@ -2681,18 +2681,26 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.11.9",
-        "brorand": "^1.1.0",
+        "bn.js": "^4.4.0",
+        "brorand": "^1.0.1",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.1",
-        "inherits": "^2.0.4",
-        "minimalistic-assert": "^1.0.1",
-        "minimalistic-crypto-utils": "^1.0.1"
+        "hmac-drbg": "^1.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0",
+        "minimalistic-crypto-utils": "^1.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.9",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
+          "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
+          "dev": true
+        }
       }
     },
     "emoji-regex": {
@@ -6582,9 +6590,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
-      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
       "dev": true
     },
     "yallist": {

runtime/js/runtime/.npmignore

@@ -1 +1 @@
-bridge.js
+index.js

runtime/js/runtime/package-lock.json

@@ -451,9 +451,9 @@
       }
     },
     "y18n": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
-      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
       "dev": true
     },
     "yargs": {

runtime/window.go

@@ -67,16 +67,6 @@ func (r *Window) SetColour(colour string) error {
 	return r.renderer.SetColour(colour)
 }
 
-// SetMinSize sets the minimum size of a resizable window
-func (r *Window) SetMinSize(width, height int) {
-	r.renderer.SetMinSize(width, height)
-}
-
-// SetMaxSize sets the maximum size of a resizable window
-func (r *Window) SetMaxSize(width, height int) {
-	r.renderer.SetMaxSize(width, height)
-}
-
 // Fullscreen makes the window fullscreen
 func (r *Window) Fullscreen() {
 	r.renderer.Fullscreen()

scripts/build.go

@@ -8,6 +8,38 @@ import (
 	"path/filepath"
 )
 
+// Default target to run when none is specified
+// If not set, running mage will list available targets
+// var Default = Build
+
+/*
+# Build runtime
+echo "**** Building Runtime ****"
+cd runtime/js
+npm install
+npm run build
+cd ../..
+
+echo "**** Packing Assets ****"
+cd cmd
+mewn
+cd ..
+cd lib/renderer
+mewn
+cd ../..
+
+echo "**** Installing Wails locally ****"
+cd cmd/wails
+go install
+cd ../..
+
+echo "**** Tidying the mods! ****"
+go mod tidy
+
+echo "**** WE ARE DONE! ****"
+
+*/
+
 func runCommand(command string, args ...string) {
 	cmd := exec.Command(command, args...)
 	output, err := cmd.CombinedOutput()
@@ -16,6 +48,7 @@ func runCommand(command string, args ...string) {
 		log.Println(string(output))
 		log.Fatal(err)
 	}
+	cmd.Run()
 	fmt.Println(string(output))
 }
 
@@ -27,26 +60,26 @@ func main() {
 	// Build Runtime
 	fmt.Println("**** Building Runtime ****")
 	runtimeDir, _ := filepath.Abs(filepath.Join(dir, "..", "runtime", "js"))
-	err := os.Chdir(runtimeDir)
-	if err != nil {
-		log.Fatal(err)
-	}
+	os.Chdir(runtimeDir)
 	runCommand("npm", "install")
 	runCommand("npm", "run", "build")
 
+	// Pack assets
+	fmt.Println("**** Packing Assets ****")
+	rendererDir, _ := filepath.Abs(filepath.Join(dir, "..", "lib", "renderer"))
+	os.Chdir(rendererDir)
+	runCommand("mewn")
+	cmdDir, _ := filepath.Abs(filepath.Join(dir, "..", "cmd"))
+	os.Chdir(cmdDir)
+	runCommand("mewn")
+
 	// Install Wails
 	fmt.Println("**** Installing Wails locally ****")
 	execDir, _ := filepath.Abs(filepath.Join(dir, "..", "cmd", "wails"))
-	err = os.Chdir(execDir)
-	if err != nil {
-		log.Fatal(err)
-	}
+	os.Chdir(execDir)
 	runCommand("go", "install")
 
 	baseDir, _ := filepath.Abs(filepath.Join(dir, ".."))
-	err = os.Chdir(baseDir)
-	if err != nil {
-		log.Fatal(err)
-	}
+	os.Chdir(baseDir)
 	runCommand("go", "mod", "tidy")
 }

scripts/build.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 echo "**** Checking if Wails passes unit tests ****"
-if ! go test ./lib/... ./runtime/... ./cmd/...
+if ! go test ./...
 then
     echo ""
     echo "ERROR: Unit tests failed!"
@@ -15,6 +15,15 @@ npm install
 npm run build
 cd ../..
 
+echo "**** Packing Assets ****"
+cd cmd
+mewn
+cd ..
+cd lib/renderer
+mewn
+cd ../..
+
+
 cd cmd/wails
 echo "**** Checking if Wails compiles ****"
 if ! go build .

scripts/updateversion.sh

@@ -16,6 +16,7 @@ cd runtime/js
 npm run build
 
 cd ../..
+mewn
 
 git add cmd/version.go
 git commit cmd/version.go -m "Bump to ${TAG}" 

v2/.vscode/settings.json

@@ -0,0 +1,13 @@
+{
+    "files.associations": {
+        "ios": "c",
+        "typeinfo": "c",
+        "sstream": "c",
+        "__functional_03": "c",
+        "functional": "c",
+        "__locale": "c",
+        "locale": "c",
+        "chrono": "c",
+        "system_error": "c"
+    }
+}

v2/NOTES.md

@@ -0,0 +1,40 @@
+
+# Packing linux
+
+  * create app, app.desktop, app.png (512x512)
+  * chmod +x app!
+  * ./linuxdeploy-x86_64.AppImage --appdir AppDir -i react.png -d react.desktop  -e react --output appimage
+
+
+# Wails Doctor
+
+Tested on:
+
+  * Debian 8
+  * Ubuntu 20.04
+  * Ubuntu 19.10
+  * Solus 4.1
+  * Centos 8
+  * Gentoo
+  * OpenSUSE/leap
+  * Fedora 31
+
+### Development
+
+Add a new package manager processor here: `v2/internal/system/packagemanager/`. IsAvailable should work even if the package is installed.
+Add your new package manager to the list of package managers in `v2/internal/system/packagemanager/packagemanager.go`:
+
+```
+var db = map[string]PackageManager{
+	"eopkg":  NewEopkg(),
+	"apt":    NewApt(),
+	"yum":    NewYum(),
+	"pacman": NewPacman(),
+	"emerge": NewEmerge(),
+	"zypper": NewZypper(),
+}
+```
+
+## Gentoo
+
+  * Setup docker image using: emerge-webrsync -x -v

v2/README.md

@@ -0,0 +1,5 @@
+# Wails v2 ALPHA
+
+This branch contains WORK IN PROGRESS! There are no guarantees. Use at your peril! 
+
+This document will be updated as progress is made.

v2/cmd/wails/internal/commands/build/build.go

@@ -0,0 +1,119 @@
+package build
+
+import (
+	"fmt"
+	"io"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/leaanthony/clir"
+	"github.com/leaanthony/slicer"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/pkg/commands/build"
+)
+
+// AddBuildSubcommand adds the `build` command for the Wails application
+func AddBuildSubcommand(app *clir.Cli, w io.Writer) {
+
+	outputType := "desktop"
+
+	validTargetTypes := slicer.String([]string{"desktop", "hybrid", "server"})
+
+	command := app.NewSubCommand("build", "Builds the application")
+
+	// Setup target type flag
+	description := "Type of application to build. Valid types: " + validTargetTypes.Join(",")
+	command.StringFlag("t", description, &outputType)
+
+	// Setup production flag
+	production := false
+	command.BoolFlag("production", "Build in production mode", &production)
+
+	// Setup pack flag
+	pack := false
+	command.BoolFlag("package", "Create a platform specific package", &pack)
+
+	compilerCommand := "go"
+	command.StringFlag("compiler", "Use a different go compiler to build, eg go1.15beta1", &compilerCommand)
+
+	// Setup Platform flag
+	platform := runtime.GOOS
+	command.StringFlag("platform", "Platform to target", &platform)
+
+	// Quiet Build
+	quiet := false
+	command.BoolFlag("q", "Suppress output to console", &quiet)
+
+	// ldflags to pass to `go`
+	ldflags := ""
+	command.StringFlag("ldflags", "optional ldflags", &ldflags)
+
+	// Log to file
+	logFile := ""
+	command.StringFlag("l", "Log to file", &logFile)
+
+	// Retain assets
+	keepAssets := false
+	command.BoolFlag("k", "Keep generated assets", &keepAssets)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+		logger.Mute(quiet)
+
+		// Validate output type
+		if !validTargetTypes.Contains(outputType) {
+			return fmt.Errorf("output type '%s' is not valid", outputType)
+		}
+
+		if !quiet {
+			app.PrintBanner()
+		}
+
+		task := fmt.Sprintf("Building %s Application", strings.Title(outputType))
+		logger.Println(task)
+		logger.Println(strings.Repeat("-", len(task)))
+
+		// Setup mode
+		mode := build.Debug
+		if production {
+			mode = build.Production
+		}
+
+		// Create BuildOptions
+		buildOptions := &build.Options{
+			Logger:     logger,
+			OutputType: outputType,
+			Mode:       mode,
+			Pack:       pack,
+			Platform:   platform,
+			LDFlags:    ldflags,
+			Compiler:   compilerCommand,
+			KeepAssets: keepAssets,
+		}
+
+		return doBuild(buildOptions)
+	})
+}
+
+// doBuild is our main build command
+func doBuild(buildOptions *build.Options) error {
+
+	// Start Time
+	start := time.Now()
+
+	outputFilename, err := build.Build(buildOptions)
+	if err != nil {
+		return err
+	}
+
+	// Output stats
+	elapsed := time.Since(start)
+	buildOptions.Logger.Println("")
+	buildOptions.Logger.Println(fmt.Sprintf("Built '%s' in %s.", outputFilename, elapsed.Round(time.Millisecond).String()))
+	buildOptions.Logger.Println("")
+
+	return nil
+}

v2/cmd/wails/internal/commands/debug/debug.go

@@ -0,0 +1,123 @@
+package debug
+
+import (
+	"fmt"
+	"github.com/wailsapp/wails/v2/internal/shell"
+	"io"
+	"os"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/leaanthony/clir"
+	"github.com/leaanthony/slicer"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/pkg/commands/build"
+)
+
+// AddSubcommand adds the `debug` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer) error {
+
+	outputType := "desktop"
+
+	validTargetTypes := slicer.String([]string{"desktop", "hybrid", "server"})
+
+	command := app.NewSubCommand("debug", "Builds the application then runs delve on the binary")
+
+	// Setup target type flag
+	description := "Type of application to build. Valid types: " + validTargetTypes.Join(",")
+	command.StringFlag("t", description, &outputType)
+
+	compilerCommand := "go"
+	command.StringFlag("compiler", "Use a different go compiler to build, eg go1.15beta1", &compilerCommand)
+
+	quiet := false
+	command.BoolFlag("q", "Suppress output to console", &quiet)
+
+	// ldflags to pass to `go`
+	ldflags := ""
+	command.StringFlag("ldflags", "optional ldflags", &ldflags)
+
+	// Log to file
+	logFile := ""
+	command.StringFlag("l", "Log to file", &logFile)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+		logger.Mute(quiet)
+
+		// Validate output type
+		if !validTargetTypes.Contains(outputType) {
+			return fmt.Errorf("output type '%s' is not valid", outputType)
+		}
+
+		if !quiet {
+			app.PrintBanner()
+		}
+
+		task := fmt.Sprintf("Building %s Application", strings.Title(outputType))
+		logger.Println(task)
+		logger.Println(strings.Repeat("-", len(task)))
+
+		// Setup mode
+		mode := build.Debug
+
+		// Create BuildOptions
+		buildOptions := &build.Options{
+			Logger:     logger,
+			OutputType: outputType,
+			Mode:       mode,
+			Pack:       false,
+			Platform:   runtime.GOOS,
+			LDFlags:    ldflags,
+			Compiler:   compilerCommand,
+			KeepAssets: false,
+		}
+
+		outputFilename, err := doDebugBuild(buildOptions)
+		if err != nil {
+			return err
+		}
+
+		// Check delve exists
+		delveExists := shell.CommandExists("dlv")
+		if !delveExists {
+			return fmt.Errorf("cannot launch delve (Is it installed?)")
+		}
+
+		// Get cwd
+		cwd, err := os.Getwd()
+		if err != nil {
+			return err
+		}
+
+		// Launch delve
+		println("Launching Delve on port 2345...")
+		command := shell.CreateCommand(cwd, "dlv", "--listen=:2345", "--headless=true", "--api-version=2", "--accept-multiclient", "exec", outputFilename)
+		return command.Run()
+	})
+
+	return nil
+}
+
+// doDebugBuild is our main build command
+func doDebugBuild(buildOptions *build.Options) (string, error) {
+
+	// Start Time
+	start := time.Now()
+
+	outputFilename, err := build.Build(buildOptions)
+	if err != nil {
+		return "", err
+	}
+
+	// Output stats
+	elapsed := time.Since(start)
+	buildOptions.Logger.Println("")
+	buildOptions.Logger.Println(fmt.Sprintf("Built '%s' in %s.", outputFilename, elapsed.Round(time.Millisecond).String()))
+	buildOptions.Logger.Println("")
+
+	return outputFilename, nil
+}

v2/cmd/wails/internal/commands/dev/dev.go

@@ -0,0 +1,314 @@
+package dev
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"os/signal"
+	"runtime"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/wailsapp/wails/v2/pkg/commands/build"
+
+	"github.com/wailsapp/wails/v2/internal/process"
+
+	"github.com/wzshiming/ctc"
+
+	"github.com/wailsapp/wails/v2/internal/fs"
+
+	"github.com/fsnotify/fsnotify"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+)
+
+// AddSubcommand adds the `dev` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer) error {
+
+	command := app.NewSubCommand("dev", "Development mode")
+
+	// Passthrough ldflags
+	ldflags := ""
+	command.StringFlag("ldflags", "optional ldflags", &ldflags)
+
+	// compiler command
+	compilerCommand := "go"
+	command.StringFlag("compiler", "Use a different go compiler to build, eg go1.15beta1", &compilerCommand)
+
+	// extensions to trigger rebuilds
+	extensions := "go"
+	command.StringFlag("e", "Extensions to trigger rebuilds (comma separated) eg go,js,css,html", &extensions)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+		app.PrintBanner()
+
+		// TODO: Check you are in a project directory
+		var extensionsThatTriggerARebuild = strings.Split(extensions, ",")
+
+		reloader, err := NewReloader(logger, extensionsThatTriggerARebuild, ldflags, compilerCommand)
+		if err != nil {
+			return err
+		}
+
+		// Start
+		err = reloader.Start()
+		if err != nil {
+			println("ERRRRRRRRRR: %+v", err)
+		}
+
+		logger.Println("\nDevelopment mode exited")
+
+		return err
+	})
+
+	return nil
+}
+
+type Reloader struct {
+
+	// Main context
+	ctx context.Context
+
+	// Signal context
+	signalContext context.Context
+
+	// notify
+	watcher *fsnotify.Watcher
+
+	// Logger
+	logger *clilogger.CLILogger
+
+	// Extensions to listen for
+	extensionsThatTriggerARebuild []string
+
+	// The binary we are running
+	binary *process.Process
+
+	// options
+	ldflags  string
+	compiler string
+}
+
+func NewReloader(logger *clilogger.CLILogger, extensionsThatTriggerARebuild []string, ldFlags string, compiler string) (*Reloader, error) {
+	var result Reloader
+
+	// Create context
+	result.ctx = context.Background()
+
+	// Signal context (we don't need cancel)
+	signalContext, _ := signal.NotifyContext(result.ctx, os.Interrupt, os.Kill, syscall.SIGTERM)
+	result.signalContext = signalContext
+
+	// Create watcher
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		return nil, err
+	}
+	result.watcher = watcher
+
+	// Logger
+	result.logger = logger
+
+	// Extensions
+	result.extensionsThatTriggerARebuild = extensionsThatTriggerARebuild
+
+	// Options
+	result.ldflags = ldFlags
+	result.compiler = compiler
+
+	return &result, nil
+}
+
+func (r *Reloader) Start() error {
+
+	err := r.rebuildBinary()
+	if err != nil {
+		return err
+	}
+
+	// Get project dir
+	dir, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+
+	// Get all subdirectories
+	dirs, err := fs.GetSubdirectories(dir)
+	if err != nil {
+		return err
+	}
+
+	// Setup a watcher for non-node_modules directories
+	r.logger.Println("Watching (sub)directories: %s", dir)
+
+	dirs.Each(func(dir string) {
+		if strings.Contains(dir, "node_modules") {
+			return
+		}
+		err = r.watcher.Add(dir)
+		if err != nil {
+			r.logger.Fatal(err.Error())
+		}
+	})
+
+	// Main loop
+	for {
+		select {
+		case <-r.signalContext.Done():
+			if r.binary != nil {
+				println("Binary is not nil - kill")
+				return r.binary.Kill()
+			}
+			return nil
+		case event := <-r.watcher.Events:
+			err := r.processWatcherEvent(event)
+			if err != nil {
+				println("error from processWatcherEvent. Calling cancel()")
+				println("Calling kill")
+				return r.binary.Kill()
+			}
+		}
+	}
+}
+
+func (r *Reloader) processWatcherEvent(event fsnotify.Event) error {
+
+	// Check for new directories
+	if event.Op&fsnotify.Create == fsnotify.Create {
+		// If this is a folder, add it to our watch list
+		if fs.DirExists(event.Name) {
+			if !strings.Contains(event.Name, "node_modules") {
+				err := r.watcher.Add(event.Name)
+				if err != nil {
+					return err
+				}
+				r.logger.Println("Watching directory: %s", event.Name)
+			}
+		}
+		return nil
+	}
+
+	// Check for file writes
+	if event.Op&fsnotify.Write == fsnotify.Write {
+
+		var rebuild bool
+
+		// Iterate all file patterns
+		for _, pattern := range r.extensionsThatTriggerARebuild {
+			if strings.HasSuffix(event.Name, pattern) {
+				rebuild = true
+			}
+		}
+
+		if !rebuild {
+			return nil
+		}
+
+		r.logger.Println("\n%s[Build triggered] %s %s", ctc.ForegroundGreen|ctc.ForegroundBright, event.Name, ctc.Reset)
+
+		return r.rebuildBinary()
+	}
+	return nil
+}
+
+func (r *Reloader) rebuildBinary() error {
+
+	// rebuild binary
+	binary, err := r.buildApp()
+	if err != nil {
+		return err
+	}
+
+	// Kill current binary if running
+	if r.binary != nil {
+		err = r.binary.Kill()
+		if err != nil {
+			return err
+		}
+	}
+
+	newProcess := process.NewProcess(r.ctx, r.logger, binary)
+	err = newProcess.Start()
+	if err != nil {
+		return err
+	}
+
+	// Ensure process runs correctly
+
+	return nil
+}
+
+//func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string, compilerCommand string, debugBinaryProcess *process.Process) (*process.Process, error) {
+//
+//	appBinary, err := buildApp(logger, outputType, ldflags, compilerCommand)
+//	println()
+//	if err != nil {
+//		logger.Fatal(err.Error())
+//		return nil, errors.Wrap(err, "Build Failed:")
+//	}
+//	logger.Println("Build new binary: %s", appBinary)
+//
+//	// Kill existing binary if need be
+//	if debugBinaryProcess != nil {
+//		killError := debugBinaryProcess.Kill()
+//
+//		if killError != nil {
+//			logger.Fatal("Unable to kill debug binary (PID: %d)!", debugBinaryProcess.PID())
+//		}
+//
+//		debugBinaryProcess = nil
+//	}
+//
+//	// TODO: Generate `backend.js`
+//
+//	// Start up new binary
+//	newProcess := process.NewProcess(logger, appBinary)
+//	err = newProcess.Start()
+//	if err != nil {
+//		// Remove binary
+//		deleteError := fs.DeleteFile(appBinary)
+//		if deleteError != nil {
+//			logger.Fatal("Unable to delete app binary: " + appBinary)
+//		}
+//		logger.Fatal("Unable to start application: %s", err.Error())
+//	}
+//
+//	// Check if port is open
+//	timeout := time.Second
+//	conn, err := net.DialTimeout("tcp", net.JoinHostPort("host", port), timeout)
+//	if err != nil {
+//		return
+//	}
+//	newProcess.Running
+//	return newProcess, nil
+//}
+
+// buildapp attempts to compile the application
+// It returns the path to the new binary or an error
+func (r *Reloader) buildApp() (string, error) {
+
+	// Create random output file
+	outputFile := fmt.Sprintf("debug-%d", time.Now().Unix())
+
+	// Create BuildOptions
+	buildOptions := &build.Options{
+		Logger:         r.logger,
+		OutputType:     "dev",
+		Mode:           build.Debug,
+		Pack:           false,
+		Platform:       runtime.GOOS,
+		LDFlags:        r.ldflags,
+		Compiler:       r.compiler,
+		OutputFile:     outputFile,
+		IgnoreFrontend: true,
+	}
+
+	return build.Build(buildOptions)
+
+}

v2/cmd/wails/internal/commands/doctor/doctor.go

@@ -0,0 +1,154 @@
+package doctor
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"runtime"
+	"strings"
+	"text/tabwriter"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/internal/system"
+	"github.com/wailsapp/wails/v2/internal/system/packagemanager"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+)
+
+// AddSubcommand adds the `doctor` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer) error {
+
+	command := app.NewSubCommand("doctor", "Diagnose your environment")
+
+	command.Action(func() error {
+
+		logger := clilogger.New(w)
+
+		app.PrintBanner()
+		logger.Print("Scanning system - please wait...")
+
+		// Get system info
+		info, err := system.GetInfo()
+		if err != nil {
+			return err
+		}
+		logger.Println("Done.")
+
+		// Start a new tabwriter
+		w := new(tabwriter.Writer)
+		w.Init(os.Stdout, 8, 8, 0, '\t', 0)
+
+		// Write out the system information
+		fmt.Fprintf(w, "\n")
+		fmt.Fprintf(w, "System\n")
+		fmt.Fprintf(w, "------\n")
+		fmt.Fprintf(w, "%s\t%s\n", "OS:", info.OS.Name)
+		fmt.Fprintf(w, "%s\t%s\n", "Version: ", info.OS.Version)
+		fmt.Fprintf(w, "%s\t%s\n", "ID:", info.OS.ID)
+
+		// Exit early if PM not found
+		if info.PM == nil {
+			fmt.Fprintf(w, "\n%s\t%s", "Package Manager:", "Not Found")
+			w.Flush()
+			println()
+			return nil
+		}
+		fmt.Fprintf(w, "%s\t%s\n", "Package Manager: ", info.PM.Name())
+
+		// Output Go Information
+		fmt.Fprintf(w, "%s\t%s\n", "Go Version:", runtime.Version())
+		fmt.Fprintf(w, "%s\t%s\n", "Platform:", runtime.GOOS)
+		fmt.Fprintf(w, "%s\t%s\n", "Architecture:", runtime.GOARCH)
+
+		// Output Dependencies Status
+		var dependenciesMissing = []string{}
+		var externalPackages = []*packagemanager.Dependancy{}
+		var dependenciesAvailableRequired = 0
+		var dependenciesAvailableOptional = 0
+		fmt.Fprintf(w, "\n")
+		fmt.Fprintf(w, "Dependency\tPackage Name\tStatus\tVersion\n")
+		fmt.Fprintf(w, "----------\t------------\t------\t-------\n")
+
+		// Loop over dependencies
+		for _, dependency := range info.Dependencies {
+
+			name := dependency.Name
+			if dependency.Optional {
+				name += "*"
+			}
+			packageName := "Unknown"
+			status := "Not Found"
+
+			// If we found the package
+			if dependency.PackageName != "" {
+
+				packageName = dependency.PackageName
+
+				// If it's installed, update the status
+				if dependency.Installed {
+					status = "Installed"
+				} else {
+					// Generate meaningful status text
+					status = "Available"
+
+					if dependency.Optional {
+						dependenciesAvailableOptional++
+					} else {
+						dependenciesAvailableRequired++
+					}
+				}
+			} else {
+				if !dependency.Optional {
+					dependenciesMissing = append(dependenciesMissing, dependency.Name)
+				}
+
+				if dependency.External {
+					externalPackages = append(externalPackages, dependency)
+				}
+			}
+
+			fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", name, packageName, status, dependency.Version)
+		}
+		fmt.Fprintf(w, "\n")
+		fmt.Fprintf(w, "* - Optional Dependency\n")
+		w.Flush()
+		logger.Println("")
+		logger.Println("Diagnosis")
+		logger.Println("---------\n")
+
+		// Generate an appropriate diagnosis
+
+		if len(dependenciesMissing) == 0 && dependenciesAvailableRequired == 0 {
+			logger.Println("Your system is ready for Wails development!")
+		}
+
+		if dependenciesAvailableRequired != 0 {
+			log.Println("Install required packages using: " + info.Dependencies.InstallAllRequiredCommand())
+		}
+
+		if dependenciesAvailableOptional != 0 {
+			log.Println("Install optional packages using: " + info.Dependencies.InstallAllOptionalCommand())
+		}
+
+		if len(externalPackages) > 0 {
+			for _, p := range externalPackages {
+				if p.Optional {
+					print("[Optional] ")
+				}
+				log.Println("Install " + p.Name + ": " + p.InstallCommand)
+			}
+		}
+
+		if len(dependenciesMissing) != 0 {
+			// TODO: Check if apps are available locally and if so, adjust the diagnosis
+			log.Println("Fatal:")
+			log.Println("Required dependencies missing: " + strings.Join(dependenciesMissing, " "))
+			log.Println("Please read this article on how to resolve this: https://wails.app/guides/resolving-missing-packages")
+		}
+
+		log.Println("")
+		return nil
+	})
+
+	return nil
+}

v2/cmd/wails/internal/commands/generate/generate.go

@@ -0,0 +1,91 @@
+package generate
+
+import (
+	"io"
+	"time"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/pkg/parser"
+)
+
+// AddSubcommand adds the `dev` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer) error {
+
+	command := app.NewSubCommand("generate", "Code Generation Tools")
+
+	// Backend API
+	backendAPI := command.NewSubCommand("module", "Generates a JS module for the frontend to interface with the backend")
+
+	// Quiet Init
+	quiet := false
+	backendAPI.BoolFlag("q", "Supress output to console", &quiet)
+
+	backendAPI.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+		logger.Mute(quiet)
+
+		app.PrintBanner()
+
+		logger.Print("Generating Javascript module for Go code...")
+
+		// Start Time
+		start := time.Now()
+
+		p, err := parser.GenerateWailsFrontendPackage()
+		if err != nil {
+			return err
+		}
+
+		logger.Println("done.")
+		logger.Println("")
+
+		elapsed := time.Since(start)
+		packages := p.Packages
+
+		// Print report
+		for _, pkg := range p.Packages {
+			if pkg.ShouldGenerate() {
+				logPackage(pkg, logger)
+			}
+
+		}
+
+		logger.Println("%d packages parsed in %s.", len(packages), elapsed)
+
+		return nil
+
+	})
+	return nil
+}
+
+func logPackage(pkg *parser.Package, logger *clilogger.CLILogger) {
+
+	logger.Println("Processed Go package '" + pkg.Gopackage.Name + "' as '" + pkg.Name + "'")
+	for _, strct := range pkg.Structs() {
+		logger.Println("")
+		logger.Println("  Processed struct '" + strct.Name + "'")
+		if strct.IsBound {
+			for _, method := range strct.Methods {
+				logger.Println("    Bound method '" + method.Name + "'")
+			}
+		}
+		if strct.IsUsedAsData {
+			for _, field := range strct.Fields {
+				if !field.Ignored {
+					logger.Print("    Processed ")
+					if field.IsOptional {
+						logger.Print("optional ")
+					}
+					logger.Println("field '" + field.Name + "' as '" + field.JSName() + "'")
+				}
+			}
+		}
+	}
+	logger.Println("")
+
+	// logger.Println("  Original Go Package Path:", pkg.Gopackage.PkgPath)
+	// logger.Println("  Original Go Package Path:", pkg.Gopackage.PkgPath)
+}

v2/cmd/wails/internal/commands/initialise/initialise.go

@@ -0,0 +1,182 @@
+package initialise
+
+import (
+	"fmt"
+	"io"
+	"strings"
+	"time"
+
+	"github.com/leaanthony/clir"
+	"github.com/pkg/errors"
+	"github.com/wailsapp/wails/v2/internal/templates"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/pkg/git"
+)
+
+// AddSubcommand adds the `init` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer) error {
+
+	// Load the template shortnames
+	validShortNames, err := templates.TemplateShortNames()
+	if err != nil {
+		return err
+	}
+
+	command := app.NewSubCommand("init", "Initialise a new Wails project")
+
+	// Setup template name flag
+	templateName := "vanilla"
+	description := "Name of template to use. Valid tempates: " + validShortNames.Join(" ")
+	command.StringFlag("t", description, &templateName)
+
+	// Setup project name
+	projectName := ""
+	command.StringFlag("n", "Name of project", &projectName)
+
+	// Setup project directory
+	projectDirectory := ""
+	command.StringFlag("d", "Project directory", &projectDirectory)
+
+	// Quiet Init
+	quiet := false
+	command.BoolFlag("q", "Supress output to console", &quiet)
+
+	initGit := false
+	gitInstalled := git.IsInstalled()
+	if gitInstalled {
+		// Git Init
+		command.BoolFlag("g", "Initialise git repository", &initGit)
+	}
+
+	// VSCode project files
+	vscode := false
+	command.BoolFlag("vscode", "Generate VSCode project files", &vscode)
+
+	// List templates
+	list := false
+	command.BoolFlag("l", "List templates", &list)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+		logger.Mute(quiet)
+
+		// Are we listing templates?
+		if list {
+			app.PrintBanner()
+			err := templates.OutputList(logger)
+			logger.Println("")
+			return err
+		}
+
+		// Validate output type
+		if !validShortNames.Contains(templateName) {
+			logger.Print(fmt.Sprintf("[ERROR] Template '%s' is not valid", templateName))
+			logger.Println("")
+			command.PrintHelp()
+			return nil
+		}
+
+		// Validate name
+		if len(projectName) == 0 {
+			logger.Println("ERROR: Project name required")
+			logger.Println("")
+			command.PrintHelp()
+			return nil
+		}
+
+		if !quiet {
+			app.PrintBanner()
+		}
+
+		task := fmt.Sprintf("Initialising Project %s", strings.Title(projectName))
+		logger.Println(task)
+		logger.Println(strings.Repeat("-", len(task)))
+
+		// Create Template Options
+		options := &templates.Options{
+			ProjectName:    projectName,
+			TargetDir:      projectDirectory,
+			TemplateName:   templateName,
+			Logger:         logger,
+			GenerateVSCode: vscode,
+			InitGit:        initGit,
+		}
+
+		// Try to discover author details from git config
+		err := findAuthorDetails(options)
+		if err != nil {
+			return err
+		}
+
+		return initProject(options)
+	})
+
+	return nil
+}
+
+// initProject is our main init command
+func initProject(options *templates.Options) error {
+
+	// Start Time
+	start := time.Now()
+
+	// Install the template
+	err := templates.Install(options)
+	if err != nil {
+		return err
+	}
+
+	if options.InitGit {
+		err = initGit(options)
+		if err != nil {
+			return err
+		}
+	}
+
+	// Output stats
+	elapsed := time.Since(start)
+	options.Logger.Println("")
+	options.Logger.Println("Project Name:      " + options.ProjectName)
+	options.Logger.Println("Project Directory: " + options.TargetDir)
+	options.Logger.Println("Project Template:  " + options.TemplateName)
+	if options.GenerateVSCode {
+		options.Logger.Println("VSCode config files generated.")
+	}
+	if options.InitGit {
+		options.Logger.Println("Git repository initialised.")
+	}
+	options.Logger.Println("")
+	options.Logger.Println(fmt.Sprintf("Initialised project '%s' in %s.", options.ProjectName, elapsed.Round(time.Millisecond).String()))
+	options.Logger.Println("")
+
+	return nil
+}
+
+func initGit(options *templates.Options) error {
+	err := git.InitRepo(options.TargetDir)
+	if err != nil {
+		return errors.Wrap(err, "Unable to initialise git repository:")
+	}
+
+	return nil
+}
+
+func findAuthorDetails(options *templates.Options) error {
+	if git.IsInstalled() {
+		name, err := git.Name()
+		if err != nil {
+			return err
+		}
+		options.AuthorName = strings.TrimSpace(name)
+
+		email, err := git.Email()
+		if err != nil {
+			return err
+		}
+		options.AuthorEmail = strings.TrimSpace(email)
+	}
+
+	return nil
+}

v2/cmd/wails/internal/commands/update/update.go

@@ -0,0 +1,164 @@
+package update
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+
+	"github.com/wailsapp/wails/v2/internal/shell"
+
+	"github.com/wailsapp/wails/v2/internal/github"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/pkg/clilogger"
+)
+
+// AddSubcommand adds the `init` command for the Wails application
+func AddSubcommand(app *clir.Cli, w io.Writer, currentVersion string) error {
+
+	command := app.NewSubCommand("update", "Update the Wails CLI")
+	command.LongDescription(`This command allows you to update your version of Wails.`)
+
+	// Setup flags
+	var prereleaseRequired bool
+	command.BoolFlag("pre", "Update to latest Prerelease", &prereleaseRequired)
+
+	var specificVersion string
+	command.StringFlag("version", "Install a specific version (Overrides other flags)", &specificVersion)
+
+	command.Action(func() error {
+
+		// Create logger
+		logger := clilogger.New(w)
+
+		// Print banner
+		app.PrintBanner()
+		logger.Println("Checking for updates...")
+
+		var desiredVersion *github.SemanticVersion
+		var err error
+		var valid bool
+
+		if len(specificVersion) > 0 {
+			// Check if this is a valid version
+			valid, err = github.IsValidTag(specificVersion)
+			if err == nil {
+				if !valid {
+					err = fmt.Errorf("version '%s' is invalid", specificVersion)
+				} else {
+					desiredVersion, err = github.NewSemanticVersion(specificVersion)
+				}
+			}
+		} else {
+			if prereleaseRequired {
+				desiredVersion, err = github.GetLatestPreRelease()
+			} else {
+				desiredVersion, err = github.GetLatestStableRelease()
+			}
+		}
+		if err != nil {
+			return err
+		}
+		fmt.Println()
+
+		fmt.Println("    Current Version : " + currentVersion)
+
+		if len(specificVersion) > 0 {
+			fmt.Printf("    Desired Version : v%s\n", desiredVersion)
+		} else {
+			if prereleaseRequired {
+				fmt.Printf("  Latest Prerelease : v%s\n", desiredVersion)
+			} else {
+				fmt.Printf("     Latest Release : v%s\n", desiredVersion)
+			}
+		}
+
+		return updateToVersion(logger, desiredVersion, len(specificVersion) > 0, currentVersion)
+	})
+
+	return nil
+}
+
+func updateToVersion(logger *clilogger.CLILogger, targetVersion *github.SemanticVersion, force bool, currentVersion string) error {
+
+	var targetVersionString = "v" + targetVersion.String()
+
+	// Early exit
+	if targetVersionString == currentVersion {
+		logger.Println("Looks like you're up to date!")
+		return nil
+	}
+
+	var desiredVersion string
+
+	if !force {
+
+		compareVersion := currentVersion
+
+		currentVersion, err := github.NewSemanticVersion(compareVersion)
+		if err != nil {
+			return err
+		}
+
+		var success bool
+
+		// Release -> Pre-Release = Massage current version to prerelease format
+		if targetVersion.IsPreRelease() && currentVersion.IsRelease() {
+			testVersion, err := github.NewSemanticVersion(compareVersion + "-0")
+			if err != nil {
+				return err
+			}
+			success, _ = targetVersion.IsGreaterThan(testVersion)
+		}
+		// Pre-Release -> Release = Massage target version to prerelease format
+		if targetVersion.IsRelease() && currentVersion.IsPreRelease() {
+			// We are ok with greater than or equal
+			mainversion := currentVersion.MainVersion()
+			targetVersion, err = github.NewSemanticVersion(targetVersion.String())
+			if err != nil {
+				return err
+			}
+			success, _ = targetVersion.IsGreaterThanOrEqual(mainversion)
+		}
+
+		// Release -> Release = Standard check
+		if (targetVersion.IsRelease() && currentVersion.IsRelease()) ||
+			(targetVersion.IsPreRelease() && currentVersion.IsPreRelease()) {
+
+			success, _ = targetVersion.IsGreaterThan(currentVersion)
+		}
+
+		// Compare
+		if !success {
+			logger.Println("Error: The requested version is lower than the current version.")
+			logger.Println("If this is what you really want to do, use `wails update -version %s`", targetVersionString)
+			return nil
+		}
+
+		desiredVersion = "v" + targetVersion.String()
+
+	} else {
+		desiredVersion = "v" + targetVersion.String()
+	}
+
+	fmt.Println()
+	logger.Print("Installing Wails " + desiredVersion + "...")
+
+	// Run command in non module directory
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		log.Fatal("Cannot find home directory! Please file a bug report!")
+	}
+
+	sout, serr, err := shell.RunCommand(homeDir, "go", "get", "github.com/wailsapp/wails/v2/cmd/wails@"+desiredVersion)
+	if err != nil {
+		logger.Println("Failed.")
+		logger.Println(sout + `\n` + serr)
+		return err
+	}
+	fmt.Println()
+	logger.Println("Wails updated to " + desiredVersion)
+
+	return nil
+}

v2/cmd/wails/main.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/wzshiming/ctc"
+
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/update"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/build"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/debug"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/dev"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/doctor"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/generate"
+	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/initialise"
+)
+
+func fatal(message string) {
+	println(message)
+	os.Exit(1)
+}
+
+func col(colour ctc.Color, text string) string {
+	return fmt.Sprintf("%s%s%s", colour, text, ctc.Reset)
+}
+
+func Yellow(str string) string {
+	return col(ctc.ForegroundBrightYellow, str)
+}
+
+func Red(str string) string {
+	return col(ctc.ForegroundBrightRed, str)
+}
+
+func banner(cli *clir.Cli) string {
+	return fmt.Sprintf("%s %s - Go/HTML Application Framework", Yellow("Wails"), Red(version))
+}
+
+func main() {
+
+	var err error
+
+	app := clir.NewCli("Wails", "Go/HTML Application Framework", version)
+
+	app.SetBannerFunction(banner)
+
+	build.AddBuildSubcommand(app, os.Stdout)
+	err = initialise.AddSubcommand(app, os.Stdout)
+	if err != nil {
+		fatal(err.Error())
+	}
+
+	err = debug.AddSubcommand(app, os.Stdout)
+	if err != nil {
+		fatal(err.Error())
+	}
+	err = doctor.AddSubcommand(app, os.Stdout)
+	if err != nil {
+		fatal(err.Error())
+	}
+
+	err = dev.AddSubcommand(app, os.Stdout)
+	if err != nil {
+		fatal(err.Error())
+	}
+
+	err = generate.AddSubcommand(app, os.Stdout)
+	if err != nil {
+		fatal(err.Error())
+	}
+
+	err = update.AddSubcommand(app, os.Stdout, version)
+	if err != nil {
+		fatal(err.Error())
+	}
+
+	err = app.Run()
+	if err != nil {
+		println("\n\nERROR: " + err.Error())
+	}
+}

v2/cmd/wails/version.go

@@ -0,0 +1,3 @@
+package main
+
+var version = "v2.0.0-alpha.26"

v2/go.mod

@@ -0,0 +1,30 @@
+module github.com/wailsapp/wails/v2
+
+go 1.16
+
+require (
+	github.com/Masterminds/semver v1.5.0
+	github.com/davecgh/go-spew v1.1.1
+	github.com/fatih/structtag v1.2.0
+	github.com/fsnotify/fsnotify v1.4.9
+	github.com/gorilla/websocket v1.4.1
+	github.com/imdario/mergo v0.3.11
+	github.com/jackmordaunt/icns v1.0.0
+	github.com/leaanthony/clir v1.0.4
+	github.com/leaanthony/gosod v0.0.4
+	github.com/leaanthony/slicer v1.5.0
+	github.com/matryer/is v1.4.0
+	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
+	github.com/olekukonko/tablewriter v0.0.4
+	github.com/pkg/errors v0.9.1
+	github.com/tdewolff/minify v2.3.6+incompatible
+	github.com/tdewolff/parse v2.3.4+incompatible // indirect
+	github.com/tdewolff/test v1.0.6 // indirect
+	github.com/wzshiming/ctc v1.2.3 // indirect
+	github.com/xyproto/xpm v1.2.1
+	golang.org/x/net v0.0.0-20200822124328-c89045814202
+	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
+	golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c
+	golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82
+	nhooyr.io/websocket v1.8.6
+)

v2/go.sum

@@ -0,0 +1,127 @@
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+github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4=
+github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
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+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82 h1:shxDsb9Dz27xzk3A0DxP0JuJnZMpKrdg8+E14eiUAX4=
+golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+nhooyr.io/websocket v1.8.6 h1:s+C3xAMLwGmlI31Nyn/eAehUlZPwfYZu2JXM621Q5/k=
+nhooyr.io/websocket v1.8.6/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=

v2/internal/app/debug.go

@@ -0,0 +1,41 @@
+// +build debug
+
+package app
+
+import (
+	"flag"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/pkg/logger"
+)
+
+// Init initialises the application for a debug environment
+func (a *App) Init() error {
+	// Indicate debug mode
+	a.debug = true
+
+	if a.appType == "desktop" {
+		// Enable dev tools
+		a.options.DevTools = true
+	}
+
+	// Set log levels
+	greeting := flag.String("loglevel", "debug", "Loglevel to use - Trace, Debug, Info, Warning, Error")
+	flag.Parse()
+	if len(*greeting) > 0 {
+		switch strings.ToLower(*greeting) {
+		case "trace":
+			a.logger.SetLogLevel(logger.TRACE)
+		case "info":
+			a.logger.SetLogLevel(logger.INFO)
+		case "warning":
+			a.logger.SetLogLevel(logger.WARNING)
+		case "error":
+			a.logger.SetLogLevel(logger.ERROR)
+		default:
+			a.logger.SetLogLevel(logger.DEBUG)
+		}
+	}
+
+	return nil
+}

v2/internal/app/default.go

@@ -0,0 +1,41 @@
+// +build !desktop,!hybrid,!server,!dev
+
+package app
+
+// This is the default application that will get run if the user compiles using `go build`.
+// The reason we want to prevent that is that the `wails build` command does a lot of behind
+// the scenes work such as asset compilation. If we allow `go build`, the state of these assets
+// will be unknown and the application will not work as expected.
+
+import (
+	"os"
+
+	"github.com/wailsapp/wails/v2/internal/logger"
+
+	"github.com/wailsapp/wails/v2/pkg/options"
+)
+
+// App defines a Wails application structure
+type App struct {
+	Title     string
+	Width     int
+	Height    int
+	Resizable bool
+
+	// Indicates if the app is running in debug mode
+	debug bool
+
+	logger *logger.Logger
+}
+
+// CreateApp returns a null application
+func CreateApp(_ *options.App) (*App, error) {
+	return &App{}, nil
+}
+
+// Run the application
+func (a *App) Run() error {
+	println(`FATAL: This application was built using "go build". This is unsupported. Please compile using "wails build".`)
+	os.Exit(1)
+	return nil
+}

v2/internal/app/desktop.go

@@ -0,0 +1,235 @@
+// +build desktop,!server
+
+package app
+
+import (
+	"context"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/binding"
+	"github.com/wailsapp/wails/v2/internal/ffenestri"
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+	"github.com/wailsapp/wails/v2/internal/runtime"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+	"github.com/wailsapp/wails/v2/internal/signal"
+	"github.com/wailsapp/wails/v2/internal/subsystem"
+	"github.com/wailsapp/wails/v2/pkg/options"
+)
+
+// App defines a Wails application structure
+type App struct {
+	appType string
+
+	window     *ffenestri.Application
+	servicebus *servicebus.ServiceBus
+	logger     *logger.Logger
+	signal     *signal.Manager
+	options    *options.App
+
+	// Subsystems
+	log     *subsystem.Log
+	runtime *subsystem.Runtime
+	event   *subsystem.Event
+	//binding    *subsystem.Binding
+	call       *subsystem.Call
+	menu       *subsystem.Menu
+	dispatcher *messagedispatcher.Dispatcher
+
+	menuManager *menumanager.Manager
+
+	// Indicates if the app is in debug mode
+	debug bool
+
+	// This is our binding DB
+	bindings *binding.Bindings
+
+	// Application Stores
+	loglevelStore  *runtime.Store
+	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
+}
+
+// Create App
+func CreateApp(appoptions *options.App) (*App, error) {
+
+	// Merge default options
+	options.MergeDefaults(appoptions)
+
+	// Set up logger
+	myLogger := logger.New(appoptions.Logger)
+	myLogger.SetLogLevel(appoptions.LogLevel)
+
+	// Create the menu manager
+	menuManager := menumanager.NewManager()
+
+	// Process the application menu
+	menuManager.SetApplicationMenu(options.GetApplicationMenu(appoptions))
+
+	// Process context menus
+	contextMenus := options.GetContextMenus(appoptions)
+	for _, contextMenu := range contextMenus {
+		menuManager.AddContextMenu(contextMenu)
+	}
+
+	// Process tray menus
+	trayMenus := options.GetTrayMenus(appoptions)
+	for _, trayMenu := range trayMenus {
+		menuManager.AddTrayMenu(trayMenu)
+	}
+
+	window := ffenestri.NewApplicationWithConfig(appoptions, myLogger, menuManager)
+
+	// Create binding exemptions - Ugly hack. There must be a better way
+	bindingExemptions := []interface{}{appoptions.Startup, appoptions.Shutdown}
+
+	result := &App{
+		appType:          "desktop",
+		window:           window,
+		servicebus:       servicebus.New(myLogger),
+		logger:           myLogger,
+		bindings:         binding.NewBindings(myLogger, appoptions.Bind, bindingExemptions),
+		menuManager:      menuManager,
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
+	}
+
+	result.options = appoptions
+
+	// Initialise the app
+	err := result.Init()
+
+	return result, err
+
+}
+
+// Run the application
+func (a *App) Run() error {
+
+	var err error
+
+	// Setup a context
+	var subsystemWaitGroup sync.WaitGroup
+	parentContext := context.WithValue(context.Background(), "waitgroup", &subsystemWaitGroup)
+	ctx, cancel := context.WithCancel(parentContext)
+
+	// Setup signal handler
+	signalsubsystem, err := signal.NewManager(ctx, cancel, a.servicebus, a.logger, a.shutdownCallback)
+	if err != nil {
+		return err
+	}
+	a.signal = signalsubsystem
+	a.signal.Start()
+
+	// Start the service bus
+	a.servicebus.Debug()
+	err = a.servicebus.Start()
+	if err != nil {
+		return err
+	}
+
+	runtimesubsystem, err := subsystem.NewRuntime(ctx, a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
+	if err != nil {
+		return err
+	}
+	a.runtime = runtimesubsystem
+	err = a.runtime.Start()
+	if err != nil {
+		return err
+	}
+
+	// Application Stores
+	a.loglevelStore = a.runtime.GoRuntime().Store.New("wails:loglevel", a.options.LogLevel)
+	a.appconfigStore = a.runtime.GoRuntime().Store.New("wails:appconfig", a.options)
+
+	// Start the logging subsystem
+	log, err := subsystem.NewLog(a.servicebus, a.logger, a.loglevelStore)
+	if err != nil {
+		return err
+	}
+	a.log = log
+	err = a.log.Start()
+	if err != nil {
+		return err
+	}
+
+	// create the dispatcher
+	dispatcher, err := messagedispatcher.New(a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.dispatcher = dispatcher
+	err = dispatcher.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the eventing subsystem
+	eventsubsystem, err := subsystem.NewEvent(ctx, a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.event = eventsubsystem
+	err = a.event.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the menu subsystem
+	menusubsystem, err := subsystem.NewMenu(ctx, a.servicebus, a.logger, a.menuManager)
+	if err != nil {
+		return err
+	}
+	a.menu = menusubsystem
+	err = a.menu.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the call subsystem
+	callSubsystem, err := subsystem.NewCall(ctx, a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
+	if err != nil {
+		return err
+	}
+	a.call = callSubsystem
+	err = a.call.Start()
+	if err != nil {
+		return err
+	}
+
+	// Dump bindings as a debug
+	bindingDump, err := a.bindings.ToJSON()
+	if err != nil {
+		return err
+	}
+
+	err = a.window.Run(dispatcher, bindingDump, a.debug)
+	a.logger.Trace("Ffenestri.Run() exited")
+	if err != nil {
+		return err
+	}
+
+	// Close down all the subsystems
+	a.logger.Trace("Cancelling subsystems")
+	cancel()
+	subsystemWaitGroup.Wait()
+
+	a.logger.Trace("Cancelling dispatcher")
+	dispatcher.Close()
+
+	// Close log
+	a.logger.Trace("Stopping log")
+	log.Close()
+
+	a.logger.Trace("Stopping Service bus")
+	err = a.servicebus.Stop()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

v2/internal/app/dev.go

@@ -0,0 +1,241 @@
+// +build dev
+
+package app
+
+import (
+	"context"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/bridge"
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+
+	"github.com/wailsapp/wails/v2/pkg/options"
+
+	"github.com/wailsapp/wails/v2/internal/binding"
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+	"github.com/wailsapp/wails/v2/internal/runtime"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+	"github.com/wailsapp/wails/v2/internal/signal"
+	"github.com/wailsapp/wails/v2/internal/subsystem"
+)
+
+// App defines a Wails application structure
+type App struct {
+	appType string
+
+	servicebus *servicebus.ServiceBus
+	logger     *logger.Logger
+	signal     *signal.Manager
+	options    *options.App
+
+	// Subsystems
+	log     *subsystem.Log
+	runtime *subsystem.Runtime
+	event   *subsystem.Event
+	//binding    *subsystem.Binding
+	call       *subsystem.Call
+	menu       *subsystem.Menu
+	dispatcher *messagedispatcher.Dispatcher
+
+	menuManager *menumanager.Manager
+
+	// Indicates if the app is in debug mode
+	debug bool
+
+	// This is our binding DB
+	bindings *binding.Bindings
+
+	// Application Stores
+	loglevelStore  *runtime.Store
+	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
+
+	// Bridge
+	bridge *bridge.Bridge
+}
+
+// Create App
+func CreateApp(appoptions *options.App) (*App, error) {
+
+	// Merge default options
+	options.MergeDefaults(appoptions)
+
+	// Set up logger
+	myLogger := logger.New(appoptions.Logger)
+	myLogger.SetLogLevel(appoptions.LogLevel)
+
+	// Create the menu manager
+	menuManager := menumanager.NewManager()
+
+	// Process the application menu
+	menuManager.SetApplicationMenu(options.GetApplicationMenu(appoptions))
+
+	// Process context menus
+	contextMenus := options.GetContextMenus(appoptions)
+	for _, contextMenu := range contextMenus {
+		menuManager.AddContextMenu(contextMenu)
+	}
+
+	// Process tray menus
+	trayMenus := options.GetTrayMenus(appoptions)
+	for _, trayMenu := range trayMenus {
+		menuManager.AddTrayMenu(trayMenu)
+	}
+
+	// Create binding exemptions - Ugly hack. There must be a better way
+	bindingExemptions := []interface{}{appoptions.Startup, appoptions.Shutdown}
+
+	result := &App{
+		appType:          "dev",
+		bindings:         binding.NewBindings(myLogger, appoptions.Bind, bindingExemptions),
+		logger:           myLogger,
+		servicebus:       servicebus.New(myLogger),
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
+		bridge:           bridge.NewBridge(myLogger),
+		menuManager:      menuManager,
+	}
+
+	result.options = appoptions
+
+	// Initialise the app
+	err := result.Init()
+
+	return result, err
+
+}
+
+// Run the application
+func (a *App) Run() error {
+
+	var err error
+
+	// Setup a context
+	var subsystemWaitGroup sync.WaitGroup
+	parentContext := context.WithValue(context.Background(), "waitgroup", &subsystemWaitGroup)
+	ctx, cancel := context.WithCancel(parentContext)
+
+	// Setup signal handler
+	signalsubsystem, err := signal.NewManager(ctx, cancel, a.servicebus, a.logger, a.shutdownCallback)
+	if err != nil {
+		return err
+	}
+	a.signal = signalsubsystem
+	a.signal.Start()
+
+	// Start the service bus
+	a.servicebus.Debug()
+	err = a.servicebus.Start()
+	if err != nil {
+		return err
+	}
+
+	runtimesubsystem, err := subsystem.NewRuntime(ctx, a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
+	if err != nil {
+		return err
+	}
+	a.runtime = runtimesubsystem
+	err = a.runtime.Start()
+	if err != nil {
+		return err
+	}
+
+	// Application Stores
+	a.loglevelStore = a.runtime.GoRuntime().Store.New("wails:loglevel", a.options.LogLevel)
+	a.appconfigStore = a.runtime.GoRuntime().Store.New("wails:appconfig", a.options)
+
+	// Start the logging subsystem
+	log, err := subsystem.NewLog(a.servicebus, a.logger, a.loglevelStore)
+	if err != nil {
+		return err
+	}
+	a.log = log
+	err = a.log.Start()
+	if err != nil {
+		return err
+	}
+
+	// create the dispatcher
+	dispatcher, err := messagedispatcher.New(a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.dispatcher = dispatcher
+	err = dispatcher.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the eventing subsystem
+	eventsubsystem, err := subsystem.NewEvent(ctx, a.servicebus, a.logger)
+	if err != nil {
+		return err
+	}
+	a.event = eventsubsystem
+	err = a.event.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the menu subsystem
+	menusubsystem, err := subsystem.NewMenu(ctx, a.servicebus, a.logger, a.menuManager)
+	if err != nil {
+		return err
+	}
+	a.menu = menusubsystem
+	err = a.menu.Start()
+	if err != nil {
+		return err
+	}
+
+	// Start the call subsystem
+	callSubsystem, err := subsystem.NewCall(ctx, a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
+	if err != nil {
+		return err
+	}
+	a.call = callSubsystem
+	err = a.call.Start()
+	if err != nil {
+		return err
+	}
+
+	// Dump bindings as a debug
+	bindingDump, err := a.bindings.ToJSON()
+	if err != nil {
+		return err
+	}
+
+	// Generate backend.js
+	a.bindings.GenerateBackendJS()
+
+	err = a.bridge.Run(dispatcher, a.menuManager, bindingDump, a.debug)
+	a.logger.Trace("Bridge.Run() exited")
+	if err != nil {
+		return err
+	}
+
+	// Close down all the subsystems
+	a.logger.Trace("Cancelling subsystems")
+	cancel()
+	subsystemWaitGroup.Wait()
+
+	a.logger.Trace("Cancelling dispatcher")
+	dispatcher.Close()
+
+	// Close log
+	a.logger.Trace("Stopping log")
+	log.Close()
+
+	a.logger.Trace("Stopping Service bus")
+	err = a.servicebus.Stop()
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}

v2/internal/app/hybrid.go

@@ -0,0 +1,194 @@
+// +build !server,!desktop,hybrid
+
+package app
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/internal/binding"
+	"github.com/wailsapp/wails/v2/internal/ffenestri"
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+	"github.com/wailsapp/wails/v2/internal/subsystem"
+	"github.com/wailsapp/wails/v2/internal/webserver"
+)
+
+// Config defines the Application's configuration
+type Config struct {
+	Title         string // Title is the value to be displayed in the title bar
+	Width         int    // Width is the desired window width
+	Height        int    // Height is the desired window height
+	DevTools      bool   // DevTools enables or disables the browser development tools
+	Resizable     bool   // Resizable when False prevents window resizing
+	ServerEnabled bool   // ServerEnabled when True allows remote connections
+}
+
+// App defines a Wails application structure
+type App struct {
+	config    Config
+	window    *ffenestri.Application
+	webserver *webserver.WebServer
+	binding   *subsystem.Binding
+	call      *subsystem.Call
+	event     *subsystem.Event
+	log       *subsystem.Log
+	runtime   *subsystem.Runtime
+
+	bindings   *binding.Bindings
+	logger     *logger.Logger
+	dispatcher *messagedispatcher.Dispatcher
+	servicebus *servicebus.ServiceBus
+
+	debug bool
+}
+
+// Create App
+func CreateApp(options *Options) *App {
+
+	// Merge default options
+	options.mergeDefaults()
+
+	// Set up logger
+	myLogger := logger.New(os.Stdout)
+	myLogger.SetLogLevel(logger.INFO)
+
+	window := ffenestri.NewApplicationWithConfig(&ffenestri.Config{
+		Title:       options.Title,
+		Width:       options.Width,
+		Height:      options.Height,
+		MinWidth:    options.MinWidth,
+		MinHeight:   options.MinHeight,
+		MaxWidth:    options.MaxWidth,
+		MaxHeight:   options.MaxHeight,
+		StartHidden: options.StartHidden,
+		DevTools:    options.DevTools,
+
+		Resizable:  !options.DisableResize,
+		Fullscreen: options.Fullscreen,
+	}, myLogger)
+
+	app := &App{
+		window:     window,
+		webserver:  webserver.NewWebServer(myLogger),
+		servicebus: servicebus.New(myLogger),
+		logger:     myLogger,
+		bindings:   binding.NewBindings(myLogger, options.Bind),
+	}
+
+	// Initialise the app
+	app.Init()
+
+	return app
+}
+
+// Run the application
+func (a *App) Run() error {
+
+	// Default app options
+	var port = 8080
+	var ip = "localhost"
+	var suppressLogging = false
+
+	// Create CLI
+	cli := clir.NewCli(filepath.Base(os.Args[0]), "Desktop/Server Build", "")
+
+	// Setup flags
+	cli.IntFlag("p", "Port to serve on", &port)
+	cli.StringFlag("i", "IP to serve on", &ip)
+	cli.BoolFlag("q", "Suppress logging", &suppressLogging)
+
+	// Setup main action
+	cli.Action(func() error {
+
+		// Set IP + Port
+		a.webserver.SetPort(port)
+		a.webserver.SetIP(ip)
+		a.webserver.SetBindings(a.bindings)
+		// Log information (if we aren't suppressing it)
+		if !suppressLogging {
+			cli.PrintBanner()
+			a.logger.Info("Running server at %s", a.webserver.URL())
+		}
+
+		a.servicebus.Start()
+		log, err := subsystem.NewLog(a.servicebus, a.logger)
+		if err != nil {
+			return err
+		}
+		a.log = log
+		a.log.Start()
+		dispatcher, err := messagedispatcher.New(a.servicebus, a.logger)
+		if err != nil {
+			return err
+		}
+		a.dispatcher = dispatcher
+		a.dispatcher.Start()
+
+		// Start the runtime
+		runtime, err := subsystem.NewRuntime(a.servicebus, a.logger)
+		if err != nil {
+			return err
+		}
+		a.runtime = runtime
+		a.runtime.Start()
+
+		// Start the binding subsystem
+		binding, err := subsystem.NewBinding(a.servicebus, a.logger, a.bindings, runtime.GoRuntime())
+		if err != nil {
+			return err
+		}
+		a.binding = binding
+		a.binding.Start()
+
+		// Start the eventing subsystem
+		event, err := subsystem.NewEvent(a.servicebus, a.logger)
+		if err != nil {
+			return err
+		}
+		a.event = event
+		a.event.Start()
+
+		// Start the call subsystem
+		call, err := subsystem.NewCall(a.servicebus, a.logger, a.bindings.DB())
+		if err != nil {
+			return err
+		}
+		a.call = call
+		a.call.Start()
+
+		// Required so that the WailsInit functions are fired!
+		runtime.GoRuntime().Events.Emit("wails:loaded")
+
+		// Set IP + Port
+		a.webserver.SetPort(port)
+		a.webserver.SetIP(ip)
+
+		// Log information (if we aren't suppressing it)
+		if !suppressLogging {
+			cli.PrintBanner()
+			println("Running server at " + a.webserver.URL())
+		}
+
+		// Dump bindings as a debug
+		bindingDump, err := a.bindings.ToJSON()
+		if err != nil {
+			return err
+		}
+
+		go func() {
+			if err := a.webserver.Start(dispatcher, event); err != nil {
+				a.logger.Error("Webserver failed to start %s", err)
+			}
+		}()
+
+		result := a.window.Run(dispatcher, bindingDump)
+		a.servicebus.Stop()
+
+		return result
+	})
+
+	return cli.Run()
+}

v2/internal/app/production.go

@@ -0,0 +1,11 @@
+// +build !debug
+
+package app
+
+import "github.com/wailsapp/wails/v2/pkg/logger"
+
+// Init initialises the application for a production environment
+func (a *App) Init() error {
+	a.logger.SetLogLevel(logger.ERROR)
+	return nil
+}

v2/internal/app/server.go

@@ -0,0 +1,173 @@
+// +build server,!desktop
+
+package app
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/wailsapp/wails/v2/pkg/options"
+
+	"github.com/leaanthony/clir"
+	"github.com/wailsapp/wails/v2/internal/binding"
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+	"github.com/wailsapp/wails/v2/internal/runtime"
+	"github.com/wailsapp/wails/v2/internal/servicebus"
+	"github.com/wailsapp/wails/v2/internal/subsystem"
+	"github.com/wailsapp/wails/v2/internal/webserver"
+)
+
+// App defines a Wails application structure
+type App struct {
+	appType string
+
+	binding *subsystem.Binding
+	call    *subsystem.Call
+	event   *subsystem.Event
+	log     *subsystem.Log
+	runtime *subsystem.Runtime
+
+	options *options.App
+
+	bindings   *binding.Bindings
+	logger     *logger.Logger
+	dispatcher *messagedispatcher.Dispatcher
+	servicebus *servicebus.ServiceBus
+	webserver  *webserver.WebServer
+
+	debug bool
+
+	// Application Stores
+	loglevelStore  *runtime.Store
+	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
+}
+
+// Create App
+func CreateApp(appoptions *options.App) (*App, error) {
+
+	// Merge default options
+	options.MergeDefaults(appoptions)
+
+	// Set up logger
+	myLogger := logger.New(appoptions.Logger)
+	myLogger.SetLogLevel(appoptions.LogLevel)
+
+	result := &App{
+		appType:          "server",
+		bindings:         binding.NewBindings(myLogger, options.Bind),
+		logger:           myLogger,
+		servicebus:       servicebus.New(myLogger),
+		webserver:        webserver.NewWebServer(myLogger),
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
+	}
+
+	// Initialise app
+	result.Init()
+
+	return result, nil
+}
+
+// Run the application
+func (a *App) Run() error {
+
+	// Default app options
+	var port = 8080
+	var ip = "localhost"
+	var supressLogging = false
+	var debugMode = false
+
+	// Create CLI
+	cli := clir.NewCli(filepath.Base(os.Args[0]), "Server Build", "")
+
+	// Setup flags
+	cli.IntFlag("p", "Port to serve on", &port)
+	cli.StringFlag("i", "IP to serve on", &ip)
+	cli.BoolFlag("d", "Debug mode", &debugMode)
+	cli.BoolFlag("q", "Supress logging", &supressLogging)
+
+	// Setup main action
+	cli.Action(func() error {
+
+		// Set IP + Port
+		a.webserver.SetPort(port)
+		a.webserver.SetIP(ip)
+		a.webserver.SetBindings(a.bindings)
+		// Log information (if we aren't supressing it)
+		if !supressLogging {
+			cli.PrintBanner()
+			a.logger.Info("Running server at %s", a.webserver.URL())
+		}
+
+		if debugMode {
+			a.servicebus.Debug()
+		}
+
+		// Start the runtime
+		runtime, err := subsystem.NewRuntime(a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
+		if err != nil {
+			return err
+		}
+		a.runtime = runtime
+		a.runtime.Start()
+
+		// Application Stores
+		a.loglevelStore = a.runtime.GoRuntime().Store.New("wails:loglevel", a.options.LogLevel)
+		a.appconfigStore = a.runtime.GoRuntime().Store.New("wails:appconfig", a.options)
+
+		a.servicebus.Start()
+		log, err := subsystem.NewLog(a.servicebus, a.logger, a.loglevelStore)
+		if err != nil {
+			return err
+		}
+		a.log = log
+		a.log.Start()
+		dispatcher, err := messagedispatcher.New(a.servicebus, a.logger)
+		if err != nil {
+			return err
+		}
+		a.dispatcher = dispatcher
+		a.dispatcher.Start()
+
+		// Start the binding subsystem
+		binding, err := subsystem.NewBinding(a.servicebus, a.logger, a.bindings, runtime.GoRuntime())
+		if err != nil {
+			return err
+		}
+		a.binding = binding
+		a.binding.Start()
+
+		// Start the eventing subsystem
+		event, err := subsystem.NewEvent(a.servicebus, a.logger)
+		if err != nil {
+			return err
+		}
+		a.event = event
+		a.event.Start()
+
+		// Start the call subsystem
+		call, err := subsystem.NewCall(a.servicebus, a.logger, a.bindings.DB(), a.runtime.GoRuntime())
+		if err != nil {
+			return err
+		}
+		a.call = call
+		a.call.Start()
+
+		// Required so that the WailsInit functions are fired!
+		runtime.GoRuntime().Events.Emit("wails:loaded")
+
+		if err := a.webserver.Start(dispatcher, event); err != nil {
+			a.logger.Error("Webserver failed to start %s", err)
+			return err
+		}
+
+		return nil
+	})
+
+	return cli.Run()
+}

v2/internal/assetdb/assetdb.go

@@ -0,0 +1,112 @@
+package assetdb
+
+import (
+	"fmt"
+	"strings"
+	"unsafe"
+)
+
+// AssetDB is a database for assets encoded as byte slices
+type AssetDB struct {
+	db map[string][]byte
+}
+
+// NewAssetDB creates a new AssetDB and initialises a blank db
+func NewAssetDB() *AssetDB {
+	return &AssetDB{
+		db: make(map[string][]byte),
+	}
+}
+
+// AddAsset saves the given byte slice under the given name
+func (a *AssetDB) AddAsset(name string, data []byte) {
+	a.db[name] = data
+}
+
+// Remove removes the named asset
+func (a *AssetDB) Remove(name string) {
+	delete(a.db, name)
+}
+
+// Asset retrieves the byte slice for the given name
+func (a *AssetDB) Read(name string) ([]byte, error) {
+	result := a.db[name]
+	if result == nil {
+		return nil, fmt.Errorf("asset '%s' not found", name)
+	}
+	return result, nil
+}
+
+// AssetAsString returns the asset as a string.
+// It also returns a boolean indicating whether the asset existed or not.
+func (a *AssetDB) String(name string) (string, error) {
+	asset, err := a.Read(name)
+	if err != nil {
+		return "", err
+	}
+	return *(*string)(unsafe.Pointer(&asset)), nil
+}
+
+func (a *AssetDB) Dump() {
+	fmt.Printf("Assets:\n")
+	for k, _ := range a.db {
+		fmt.Println(k)
+	}
+}
+
+// Serialize converts the entire database to a file that when compiled will
+// reconstruct the AssetDB during init()
+// name: name of the asset.AssetDB instance
+// pkg:  package name placed at the top of the file
+func (a *AssetDB) Serialize(name, pkg string) string {
+	var cdata strings.Builder
+	// Set buffer size to 4k
+	cdata.Grow(4096)
+
+	// Write header
+	header := `// DO NOT EDIT - Generated automatically
+package %s
+
+import "github.com/wailsapp/wails/v2/internal/assetdb"
+
+var (
+	%s *assetdb.AssetDB = assetdb.NewAssetDB()
+)
+
+// AssetsDB is a clean interface to the assetdb.AssetDB struct
+type AssetsDB interface {
+	Read(string) ([]byte, error)
+	String(string) (string, error)
+}
+
+// Assets returns the asset database
+func Assets() AssetsDB {
+	return %s
+}
+
+func init() {
+`
+	cdata.WriteString(fmt.Sprintf(header, pkg, name, name))
+
+	for aname, bytes := range a.db {
+		cdata.WriteString(fmt.Sprintf("\t%s.AddAsset(\"%s\", []byte{",
+			name,
+			aname))
+
+		l := len(bytes)
+		if l == 0 {
+			cdata.WriteString("0x00})\n")
+			continue
+		}
+
+		// Convert each byte to hex
+		for _, b := range bytes[:l-1] {
+			cdata.WriteString(fmt.Sprintf("0x%x, ", b))
+		}
+		cdata.WriteString(fmt.Sprintf("0x%x})\n", bytes[l-1]))
+	}
+
+	cdata.WriteString(`}`)
+
+	return cdata.String()
+}

v2/internal/assetdb/assetdb_test.go

@@ -0,0 +1,70 @@
+package assetdb
+
+import "testing"
+import "github.com/matryer/is"
+
+func TestExistsAsBytes(t *testing.T) {
+
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("hello", helloworld)
+
+	result, err := db.Read("hello")
+
+	is.True(err == nil)
+	is.Equal(result, helloworld)
+}
+
+func TestNotExistsAsBytes(t *testing.T) {
+
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("hello4", helloworld)
+
+	result, err := db.Read("hello")
+
+	is.True(err != nil)
+	is.True(result == nil)
+}
+
+func TestExistsAsString(t *testing.T) {
+
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("hello", helloworld)
+
+	result, err := db.String("hello")
+
+	// Ensure it exists
+	is.True(err == nil)
+
+	// Ensure the string is the same as the byte slice
+	is.Equal(result, "Hello, World!")
+}
+
+func TestNotExistsAsString(t *testing.T) {
+
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("hello", helloworld)
+
+	result, err := db.String("help")
+
+	// Ensure it doesn't exist
+	is.True(err != nil)
+
+	// Ensure the string is blank
+	is.Equal(result, "")
+}

v2/internal/assetdb/filesystem.go

@@ -0,0 +1,176 @@
+// +build !desktop
+package assetdb
+
+import (
+	"errors"
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"sort"
+	"strings"
+	"time"
+)
+
+var errWhence = errors.New("Seek: invalid whence")
+var errOffset = errors.New("Seek: invalid offset")
+
+// Open implements the http.FileSystem interface for the AssetDB
+func (a *AssetDB) Open(name string) (http.File, error) {
+	if name == "/" || name == "" {
+		return &Entry{name: "/", dir: true, db: a}, nil
+	}
+
+	if data, ok := a.db[name]; ok {
+		return &Entry{name: name, data: data, size: len(data)}, nil
+	} else {
+		for n, _ := range a.db {
+			if strings.HasPrefix(n, name+"/") {
+				return &Entry{name: name, db: a, dir: true}, nil
+			}
+		}
+	}
+	return &Entry{}, os.ErrNotExist
+}
+
+// readdir returns the directory entries for the requested directory
+func (a *AssetDB) readdir(name string) ([]os.FileInfo, error) {
+	dir := name
+	var ents []string
+
+	fim := make(map[string]os.FileInfo)
+	for fn, data := range a.db {
+		if strings.HasPrefix(fn, dir) {
+			pieces := strings.Split(fn[len(dir)+1:], "/")
+			if len(pieces) == 1 {
+				fim[pieces[0]] = FI{name: pieces[0], dir: false, size: len(data)}
+				ents = append(ents, pieces[0])
+			} else {
+				fim[pieces[0]] = FI{name: pieces[0], dir: true, size: -1}
+				ents = append(ents, pieces[0])
+			}
+		}
+	}
+
+	if len(ents) == 0 {
+		return nil, os.ErrNotExist
+	}
+
+	sort.Strings(ents)
+	var list []os.FileInfo
+	for _, dir := range ents {
+		list = append(list, fim[dir])
+	}
+	return list, nil
+}
+
+// Entry implements the http.File interface to allow for
+// use in the http.FileSystem implementation of AssetDB
+type Entry struct {
+	name string
+	data []byte
+	dir  bool
+	size int
+	db   *AssetDB
+	off  int
+}
+
+// Close is a noop
+func (e Entry) Close() error {
+	return nil
+}
+
+// Read fills the slice provided returning how many bytes were written
+// and any errors encountered
+func (e *Entry) Read(p []byte) (n int, err error) {
+	if e.off >= e.size {
+		return 0, io.EOF
+	}
+	numout := len(p)
+	if numout > e.size {
+		numout = e.size
+	}
+	for i := 0; i < numout; i++ {
+		p[i] = e.data[e.off+i]
+	}
+	e.off += numout
+	n = int(numout)
+	err = nil
+	return
+}
+
+// Seek seeks to the specified offset from the location specified by whence
+func (e *Entry) Seek(offset int64, whence int) (int64, error) {
+	switch whence {
+	default:
+		return 0, errWhence
+	case io.SeekStart:
+		offset += 0
+	case io.SeekCurrent:
+		offset += int64(e.off)
+	case io.SeekEnd:
+		offset += int64(e.size)
+	}
+
+	if offset < 0 {
+		return 0, errOffset
+	}
+	e.off = int(offset)
+	return offset, nil
+}
+
+// Readdir returns the directory entries inside this entry if it is a directory
+func (e Entry) Readdir(count int) ([]os.FileInfo, error) {
+	ents := []os.FileInfo{}
+	if !e.dir {
+		return ents, errors.New("Not a directory")
+	}
+	return e.db.readdir(e.name)
+}
+
+// Stat returns information about this directory entry
+func (e Entry) Stat() (os.FileInfo, error) {
+	return FI{e.name, e.size, e.dir}, nil
+}
+
+// FI is the AssetDB implementation of os.FileInfo.
+type FI struct {
+	name string
+	size int
+	dir  bool
+}
+
+// IsDir returns true if this is a directory
+func (fi FI) IsDir() bool {
+	return fi.dir
+}
+
+// ModTime always returns now
+func (fi FI) ModTime() time.Time {
+	return time.Time{}
+}
+
+// Mode returns the file as readonly and directories
+// as world writeable and executable
+func (fi FI) Mode() os.FileMode {
+	if fi.IsDir() {
+		return 0755 | os.ModeDir
+	}
+	return 0444
+}
+
+// Name returns the name of this object without
+// any leading slashes
+func (fi FI) Name() string {
+	return path.Base(fi.name)
+}
+
+// Size returns the size of this item
+func (fi FI) Size() int64 {
+	return int64(fi.size)
+}
+
+// Sys returns nil
+func (fi FI) Sys() interface{} {
+	return nil
+}

v2/internal/assetdb/filesystem_test.go

@@ -0,0 +1,108 @@
+package assetdb
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/matryer/is"
+)
+
+func TestOpenLeadingSlash(t *testing.T) {
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("/hello", helloworld)
+
+	file, err := db.Open("/hello")
+	// Ensure it does exist
+	is.True(err == nil)
+
+	buff := make([]byte, len(helloworld))
+	n, err := file.Read(buff)
+	fmt.Printf("Error %v\n", err)
+	is.True(err == nil)
+	is.Equal(n, len(helloworld))
+	result := string(buff)
+
+	// Ensure the string is blank
+	is.Equal(result, string(helloworld))
+}
+
+func TestOpen(t *testing.T) {
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("/hello", helloworld)
+
+	file, err := db.Open("/hello")
+
+	// Ensure it does exist
+	is.True(err == nil)
+
+	buff := make([]byte, len(helloworld))
+	n, err := file.Read(buff)
+	is.True(err == nil)
+	is.Equal(n, len(helloworld))
+	result := string(buff)
+
+	// Ensure the string is blank
+	is.Equal(result, string(helloworld))
+}
+
+func TestReaddir(t *testing.T) {
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("/hello", helloworld)
+	db.AddAsset("/directory/hello", helloworld)
+	db.AddAsset("/directory/subdirectory/hello", helloworld)
+
+	dir, err := db.Open("/doesntexist")
+	is.True(err == os.ErrNotExist)
+	ents, err := dir.Readdir(-1)
+	is.Equal([]os.FileInfo{}, ents)
+
+	dir, err = db.Open("/")
+	is.True(dir != nil)
+	is.True(err == nil)
+	ents, err = dir.Readdir(-1)
+	is.True(err == nil)
+	is.Equal(3, len(ents))
+}
+
+func TestReaddirSubdirectory(t *testing.T) {
+	is := is.New(t)
+
+	var helloworld = []byte{72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33}
+
+	db := NewAssetDB()
+	db.AddAsset("/hello", helloworld)
+	db.AddAsset("/directory/hello", helloworld)
+	db.AddAsset("/directory/subdirectory/hello", helloworld)
+
+	expected := []os.FileInfo{
+		FI{name: "hello", dir: false, size: len(helloworld)},
+		FI{name: "subdirectory", dir: true, size: -1},
+	}
+
+	dir, err := db.Open("/directory")
+	is.True(dir != nil)
+	is.True(err == nil)
+	ents, err := dir.Readdir(-1)
+	is.Equal(expected, ents)
+
+	// Check sub-subdirectory
+	dir, err = db.Open("/directory/subdirectory")
+	is.True(dir != nil)
+	is.True(err == nil)
+	ents, err = dir.Readdir(-1)
+	is.True(err == nil)
+	is.Equal([]os.FileInfo{FI{name: "hello", size: len(helloworld)}}, ents)
+}

v2/internal/bind/bind.go

@@ -0,0 +1,9 @@
+package bind
+
+func IsStructPointer(value interface{}) bool {
+	switch t := value.(type) {
+	default:
+		println(t)
+	}
+	return false
+}

v2/internal/binding/assets/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "Package to wrap backend method calls",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC"
+}

v2/internal/binding/binding.go

@@ -0,0 +1,74 @@
+package binding
+
+import (
+	"fmt"
+	"reflect"
+	"runtime"
+	"strings"
+
+	"github.com/leaanthony/slicer"
+
+	"github.com/wailsapp/wails/v2/internal/logger"
+)
+
+type Bindings struct {
+	db         *DB
+	logger     logger.CustomLogger
+	exemptions slicer.StringSlicer
+}
+
+// NewBindings returns a new Bindings object
+func NewBindings(logger *logger.Logger, structPointersToBind []interface{}, exemptions []interface{}) *Bindings {
+	result := &Bindings{
+		db:     newDB(),
+		logger: logger.CustomLogger("Bindings"),
+	}
+
+	for _, exemption := range exemptions {
+		if exemptions == nil {
+			continue
+		}
+		name := runtime.FuncForPC(reflect.ValueOf(exemption).Pointer()).Name()
+		// Yuk yuk yuk! Is there a better way?
+		name = strings.TrimSuffix(name, "-fm")
+		result.exemptions.Add(name)
+	}
+
+	// Add the structs to bind
+	for _, ptr := range structPointersToBind {
+		err := result.Add(ptr)
+		if err != nil {
+			logger.Fatal("Error during binding: " + err.Error())
+		}
+	}
+
+	return result
+}
+
+// Add the given struct methods to the Bindings
+func (b *Bindings) Add(structPtr interface{}) error {
+
+	methods, err := b.getMethods(structPtr)
+	if err != nil {
+		return fmt.Errorf("cannot bind value to app: %s", err.Error())
+	}
+
+	for _, method := range methods {
+		splitName := strings.Split(method.Name, ".")
+		packageName := splitName[0]
+		structName := splitName[1]
+		methodName := splitName[2]
+
+		// Add it as a regular method
+		b.db.AddMethod(packageName, structName, methodName, method)
+	}
+	return nil
+}
+
+func (b *Bindings) DB() *DB {
+	return b.db
+}
+
+func (b *Bindings) ToJSON() (string, error) {
+	return b.db.ToJSON()
+}

v2/internal/binding/boundMethod.go

@@ -0,0 +1,100 @@
+package binding
+
+import (
+	"encoding/json"
+	"fmt"
+	"reflect"
+)
+
+// BoundMethod defines all the data related to a Go method that is
+// bound to the Wails application
+type BoundMethod struct {
+	Name     string        `json:"name"`
+	Inputs   []*Parameter  `json:"inputs,omitempty"`
+	Outputs  []*Parameter  `json:"outputs,omitempty"`
+	Comments string        `json:"comments,omitempty"`
+	Method   reflect.Value `json:"-"`
+}
+
+// InputCount returns the number of inputs this bound method has
+func (b *BoundMethod) InputCount() int {
+	return len(b.Inputs)
+}
+
+// OutputCount returns the number of outputs this bound method has
+func (b *BoundMethod) OutputCount() int {
+	return len(b.Outputs)
+}
+
+// ParseArgs method converts the input json into the types expected by the method
+func (b *BoundMethod) ParseArgs(args []json.RawMessage) ([]interface{}, error) {
+
+	result := make([]interface{}, b.InputCount())
+	if len(args) != b.InputCount() {
+		return nil, fmt.Errorf("received %d arguments to method '%s', expected %d", len(args), b.Name, b.InputCount())
+	}
+	for index, arg := range args {
+		typ := b.Inputs[index].reflectType
+		inputValue := reflect.New(typ).Interface()
+		err := json.Unmarshal(arg, inputValue)
+		if err != nil {
+			return nil, err
+		}
+		if inputValue == nil {
+			result[index] = reflect.Zero(typ).Interface()
+		} else {
+			result[index] = reflect.ValueOf(inputValue).Elem().Interface()
+		}
+	}
+	return result, nil
+}
+
+// Call will attempt to call this bound method with the given args
+func (b *BoundMethod) Call(args []interface{}) (interface{}, error) {
+	// Check inputs
+	expectedInputLength := len(b.Inputs)
+	actualInputLength := len(args)
+	if expectedInputLength != actualInputLength {
+		return nil, fmt.Errorf("%s takes %d inputs. Received %d", b.Name, expectedInputLength, actualInputLength)
+	}
+
+	/** Convert inputs to reflect values **/
+
+	// Create slice for the input arguments to the method call
+	callArgs := make([]reflect.Value, expectedInputLength)
+
+	// Iterate over given arguments
+	for index, arg := range args {
+		// Save the converted argument
+		callArgs[index] = reflect.ValueOf(arg)
+	}
+
+	// Do the call
+	callResults := b.Method.Call(callArgs)
+
+	//** Check results **//
+	var returnValue interface{}
+	var err error
+
+	switch b.OutputCount() {
+	case 1:
+		// Loop over results and determine if the result
+		// is an error or not
+		for _, result := range callResults {
+			interfac := result.Interface()
+			temp, ok := interfac.(error)
+			if ok {
+				err = temp
+			} else {
+				returnValue = interfac
+			}
+		}
+	case 2:
+		returnValue = callResults[0].Interface()
+		if temp, ok := callResults[1].Interface().(error); ok {
+			err = temp
+		}
+	}
+
+	return returnValue, err
+}

v2/internal/binding/db.go

@@ -0,0 +1,104 @@
+package binding
+
+import (
+	"encoding/json"
+	"sync"
+	"unsafe"
+)
+
+// DB is our database of method bindings
+type DB struct {
+	//  map[packagename] -> map[structname] -> map[methodname]*method
+	store map[string]map[string]map[string]*BoundMethod
+
+	// This uses fully qualified method names as a shortcut for store traversal.
+	// It used for performance gains at runtime
+	methodMap map[string]*BoundMethod
+
+	// Lock to ensure sync access to the data
+	lock sync.RWMutex
+}
+
+func newDB() *DB {
+	return &DB{
+		store:     make(map[string]map[string]map[string]*BoundMethod),
+		methodMap: make(map[string]*BoundMethod),
+	}
+}
+
+// GetMethodFromStore returns the method for the given package/struct/method names
+// nil is returned if any one of those does not exist
+func (d *DB) GetMethodFromStore(packageName string, structName string, methodName string) *BoundMethod {
+
+	// Lock the db whilst processing and unlock on return
+	d.lock.RLock()
+	defer d.lock.RUnlock()
+
+	structMap, exists := d.store[packageName]
+	if !exists {
+		return nil
+	}
+	methodMap, exists := structMap[structName]
+	if !exists {
+		return nil
+	}
+	return methodMap[methodName]
+}
+
+// GetMethod returns the method for the given qualified method name
+// qualifiedMethodName is "packagename.structname.methodname"
+func (d *DB) GetMethod(qualifiedMethodName string) *BoundMethod {
+
+	// Lock the db whilst processing and unlock on return
+	d.lock.RLock()
+	defer d.lock.RUnlock()
+
+	return d.methodMap[qualifiedMethodName]
+}
+
+// AddMethod adds the given method definition to the db using the given qualified path: packageName.structName.methodName
+func (d *DB) AddMethod(packageName string, structName string, methodName string, methodDefinition *BoundMethod) {
+
+	// TODO: Validate inputs?
+
+	// Lock the db whilst processing and unlock on return
+	d.lock.Lock()
+	defer d.lock.Unlock()
+
+	// Get the map associated with the package name
+	structMap, exists := d.store[packageName]
+	if !exists {
+		// Create a new map for this packagename
+		d.store[packageName] = make(map[string]map[string]*BoundMethod)
+		structMap = d.store[packageName]
+	}
+
+	// Get the map associated with the struct name
+	methodMap, exists := structMap[structName]
+	if !exists {
+		// Create a new map for this packagename
+		structMap[structName] = make(map[string]*BoundMethod)
+		methodMap = structMap[structName]
+	}
+
+	// Store the method definition
+	methodMap[methodName] = methodDefinition
+
+	// Store in the methodMap
+	key := packageName + "." + structName + "." + methodName
+	d.methodMap[key] = methodDefinition
+
+}
+
+// ToJSON converts the method map to JSON
+func (d *DB) ToJSON() (string, error) {
+
+	// Lock the db whilst processing and unlock on return
+	d.lock.RLock()
+	defer d.lock.RUnlock()
+
+	bytes, err := json.Marshal(&d.store)
+
+	// Return zero copy string as this string will be read only
+	return *(*string)(unsafe.Pointer(&bytes)), err
+}

v2/internal/binding/generate.go

@@ -0,0 +1,170 @@
+package binding
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/internal/fs"
+
+	"github.com/leaanthony/slicer"
+)
+
+const _comment = `
+
+const backend = {
+        main: {
+            "xbarApp": {
+                "GetCategories": () => {
+                    window.backend.main.xbarApp.GetCategories.call(arguments);
+                },
+
+                /**
+                 * @param {string} arg1
+                 */
+                "InstallPlugin": (arg1) => {
+                    window.backend.main.xbarApp.InstallPlugin.call(arguments);
+                },
+                "GetPlugins": () => {
+                    window.backend.main.xbarApp.GetPlugins.call(arguments);
+                }
+            }
+        }
+}
+
+export default backend;`
+
+//go:embed assets/package.json
+var packageJSON []byte
+
+func (b *Bindings) GenerateBackendJS() {
+
+	store := b.db.store
+	var output bytes.Buffer
+
+	output.WriteString(`// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+const backend = {`)
+	output.WriteString("\n")
+
+	var sortedPackageNames slicer.StringSlicer
+	for packageName := range store {
+		sortedPackageNames.Add(packageName)
+	}
+	sortedPackageNames.Sort()
+	for _, packageName := range sortedPackageNames.AsSlice() {
+		packages := store[packageName]
+		output.WriteString(fmt.Sprintf("  \"%s\": {", packageName))
+		output.WriteString("\n")
+		var sortedStructNames slicer.StringSlicer
+		for structName := range packages {
+			sortedStructNames.Add(structName)
+		}
+		sortedStructNames.Sort()
+		for _, structName := range sortedStructNames.AsSlice() {
+			structs := packages[structName]
+			output.WriteString(fmt.Sprintf("    \"%s\": {", structName))
+			output.WriteString("\n")
+
+			var sortedMethodNames slicer.StringSlicer
+			for methodName := range structs {
+				sortedMethodNames.Add(methodName)
+			}
+			sortedMethodNames.Sort()
+
+			for _, methodName := range sortedMethodNames.AsSlice() {
+				methodDetails := structs[methodName]
+				output.WriteString("      /**\n")
+				output.WriteString("       * " + methodName + "\n")
+				var args slicer.StringSlicer
+				for count, input := range methodDetails.Inputs {
+					arg := fmt.Sprintf("arg%d", count+1)
+					args.Add(arg)
+					output.WriteString(fmt.Sprintf("       * @param {%s} %s - Go Type: %s\n", goTypeToJSDocType(input.TypeName), arg, input.TypeName))
+				}
+				returnType := "Promise"
+				returnTypeDetails := ""
+				if methodDetails.OutputCount() > 0 {
+					firstType := goTypeToJSDocType(methodDetails.Outputs[0].TypeName)
+					returnType += "<" + firstType
+					if methodDetails.OutputCount() == 2 {
+						secondType := goTypeToJSDocType(methodDetails.Outputs[1].TypeName)
+						returnType += "|" + secondType
+					}
+					returnType += ">"
+					returnTypeDetails = " - Go Type: " + methodDetails.Outputs[0].TypeName
+				}
+				output.WriteString("       * @returns {" + returnType + "} " + returnTypeDetails + "\n")
+				output.WriteString("       */\n")
+				argsString := args.Join(", ")
+				output.WriteString(fmt.Sprintf("      \"%s\": (%s) => {", methodName, argsString))
+				output.WriteString("\n")
+				output.WriteString(fmt.Sprintf("        return window.backend.%s.%s.%s(%s);", packageName, structName, methodName, argsString))
+				output.WriteString("\n")
+				output.WriteString(fmt.Sprintf("      },"))
+				output.WriteString("\n")
+			}
+			output.WriteString(fmt.Sprintf("    }"))
+			output.WriteString("\n")
+		}
+		output.WriteString(fmt.Sprintf("  }\n"))
+		output.WriteString("\n")
+	}
+
+	output.WriteString(`};
+export default backend;`)
+	output.WriteString("\n")
+
+	dirname, err := fs.RelativeToCwd("frontend/src/backend")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if !fs.DirExists(dirname) {
+		err := fs.Mkdir(dirname)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	packageJsonFile := filepath.Join(dirname, "package.json")
+	if !fs.FileExists(packageJsonFile) {
+		err := os.WriteFile(packageJsonFile, packageJSON, 0755)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	filename := filepath.Join(dirname, "index.js")
+	err = os.WriteFile(filename, output.Bytes(), 0755)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func goTypeToJSDocType(input string) string {
+	switch true {
+	case input == "string":
+		return "string"
+	case input == "error":
+		return "Error"
+	case
+		strings.HasPrefix(input, "int"),
+		strings.HasPrefix(input, "uint"),
+		strings.HasPrefix(input, "float"):
+		return "number"
+	case input == "bool":
+		return "boolean"
+	case strings.HasPrefix(input, "[]"):
+		arrayType := goTypeToJSDocType(input[2:])
+		return "Array.<" + arrayType + ">"
+	default:
+		return "any"
+	}
+}

v2/internal/binding/parameter.go

@@ -0,0 +1,28 @@
+package binding
+
+import "reflect"
+
+// Parameter defines a Go method parameter
+type Parameter struct {
+	Name        string `json:"name,omitempty"`
+	TypeName    string `json:"type"`
+	reflectType reflect.Type
+}
+
+func newParameter(Name string, Type reflect.Type) *Parameter {
+	return &Parameter{
+		Name:        Name,
+		TypeName:    Type.String(),
+		reflectType: Type,
+	}
+}
+
+// IsType returns true if the given
+func (p *Parameter) IsType(typename string) bool {
+	return p.TypeName == typename
+}
+
+// IsError returns true if the parameter type is an error
+func (p *Parameter) IsError() bool {
+	return p.IsType("error")
+}

v2/internal/binding/reflect.go

@@ -0,0 +1,102 @@
+package binding
+
+import (
+	"fmt"
+	"reflect"
+	"runtime"
+)
+
+// isStructPtr returns true if the value given is a
+// pointer to a struct
+func isStructPtr(value interface{}) bool {
+	return reflect.ValueOf(value).Kind() == reflect.Ptr &&
+		reflect.ValueOf(value).Elem().Kind() == reflect.Struct
+}
+
+// isFunction returns true if the given value is a function
+func isFunction(value interface{}) bool {
+	return reflect.ValueOf(value).Kind() == reflect.Func
+}
+
+// isStructPtr returns true if the value given is a struct
+func isStruct(value interface{}) bool {
+	return reflect.ValueOf(value).Kind() == reflect.Struct
+}
+
+func (b *Bindings) getMethods(value interface{}) ([]*BoundMethod, error) {
+
+	// Create result placeholder
+	var result []*BoundMethod
+
+	// Check type
+	if !isStructPtr(value) {
+
+		if isStruct(value) {
+			name := reflect.ValueOf(value).Type().Name()
+			return nil, fmt.Errorf("%s is a struct, not a pointer to a struct", name)
+		}
+
+		if isFunction(value) {
+			name := runtime.FuncForPC(reflect.ValueOf(value).Pointer()).Name()
+			return nil, fmt.Errorf("%s is a function, not a pointer to a struct. Wails v2 has deprecated the binding of functions. Please wrap your functions up in a struct and bind a pointer to that struct.", name)
+		}
+
+		return nil, fmt.Errorf("not a pointer to a struct.")
+	}
+
+	// Process Struct
+	structType := reflect.TypeOf(value)
+	structValue := reflect.ValueOf(value)
+	baseName := structType.String()[1:]
+
+	// Process Methods
+	for i := 0; i < structType.NumMethod(); i++ {
+		methodDef := structType.Method(i)
+		methodName := methodDef.Name
+		fullMethodName := baseName + "." + methodName
+		method := structValue.MethodByName(methodName)
+
+		methodReflectName := runtime.FuncForPC(methodDef.Func.Pointer()).Name()
+		if b.exemptions.Contains(methodReflectName) {
+			continue
+		}
+
+		// Create new method
+		boundMethod := &BoundMethod{
+			Name:     fullMethodName,
+			Inputs:   nil,
+			Outputs:  nil,
+			Comments: "",
+			Method:   method,
+		}
+
+		// Iterate inputs
+		methodType := method.Type()
+		inputParamCount := methodType.NumIn()
+		var inputs []*Parameter
+		for inputIndex := 0; inputIndex < inputParamCount; inputIndex++ {
+			input := methodType.In(inputIndex)
+			thisParam := newParameter("", input)
+			inputs = append(inputs, thisParam)
+		}
+
+		boundMethod.Inputs = inputs
+
+		// Iterate outputs
+		// TODO: Determine what to do about limiting return types
+		//       especially around errors.
+		outputParamCount := methodType.NumOut()
+		var outputs []*Parameter
+		for outputIndex := 0; outputIndex < outputParamCount; outputIndex++ {
+			output := methodType.Out(outputIndex)
+			thisParam := newParameter("", output)
+			outputs = append(outputs, thisParam)
+		}
+		boundMethod.Outputs = outputs
+
+		// Save method in result
+		result = append(result, boundMethod)
+
+	}
+	return result, nil
+}

v2/internal/bridge/bridge.go

@@ -0,0 +1,113 @@
+package bridge
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"sync"
+
+	"github.com/wailsapp/wails/v2/internal/menumanager"
+
+	"github.com/wailsapp/wails/v2/internal/messagedispatcher"
+
+	"github.com/gorilla/websocket"
+	"github.com/wailsapp/wails/v2/internal/logger"
+)
+
+type Bridge struct {
+	upgrader websocket.Upgrader
+	server   *http.Server
+	myLogger *logger.Logger
+
+	bindings   string
+	dispatcher *messagedispatcher.Dispatcher
+
+	mu       sync.Mutex
+	sessions map[string]*session
+
+	ctx    context.Context
+	cancel context.CancelFunc
+
+	// Dialog client
+	dialog *messagedispatcher.DispatchClient
+
+	// Menus
+	menumanager *menumanager.Manager
+}
+
+func NewBridge(myLogger *logger.Logger) *Bridge {
+	result := &Bridge{
+		myLogger: myLogger,
+		upgrader: websocket.Upgrader{CheckOrigin: func(r *http.Request) bool { return true }},
+		sessions: make(map[string]*session),
+	}
+
+	myLogger.SetLogLevel(1)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	result.ctx = ctx
+	result.cancel = cancel
+	result.server = &http.Server{Addr: ":34115"}
+	http.HandleFunc("/bridge", result.wsBridgeHandler)
+	return result
+}
+
+func (b *Bridge) Run(dispatcher *messagedispatcher.Dispatcher, menumanager *menumanager.Manager, bindings string, debug bool) error {
+
+	// Ensure we cancel the context when we shutdown
+	defer b.cancel()
+
+	b.bindings = bindings
+	b.dispatcher = dispatcher
+	b.menumanager = menumanager
+
+	// Setup dialog handler
+	dialogClient := NewDialogClient(b.myLogger)
+	b.dialog = dispatcher.RegisterClient(dialogClient)
+	dialogClient.dispatcher = b.dialog
+
+	b.myLogger.Info("Bridge mode started.")
+
+	err := b.server.ListenAndServe()
+	if err != nil && err != http.ErrServerClosed {
+		return err
+	}
+
+	return nil
+}
+
+func (b *Bridge) wsBridgeHandler(w http.ResponseWriter, r *http.Request) {
+	c, err := b.upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Print("upgrade:", err)
+		return
+	}
+
+	if err != nil {
+		http.Error(w, "Could not open websocket connection", http.StatusBadRequest)
+	}
+	b.myLogger.Info("Connection from frontend accepted [%s].", c.RemoteAddr().String())
+	b.startSession(c)
+
+}
+
+func (b *Bridge) startSession(conn *websocket.Conn) {
+
+	// Create a new session for this connection
+	s := newSession(conn, b.menumanager, b.bindings, b.dispatcher, b.myLogger, b.ctx)
+
+	// Setup the close handler
+	conn.SetCloseHandler(func(int, string) error {
+		b.myLogger.Info("Connection dropped [%s].", s.Identifier())
+		b.dispatcher.RemoveClient(s.client)
+		b.mu.Lock()
+		delete(b.sessions, s.Identifier())
+		b.mu.Unlock()
+		return nil
+	})
+
+	b.mu.Lock()
+	go s.start(len(b.sessions) == 0)
+	b.sessions[s.Identifier()] = s
+	b.mu.Unlock()
+}