Unicode updates

* fix: linting

* chore: bump version

* fix: unicode text for Windows

* fix: re-add webview_set_title

.github/stale.yml

@@ -0,0 +1,19 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 30
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - pinned
+  - security
+  - onhold
+  - inprogress
+# Label to use when marking an issue as stale
+staleLabel: wontfix
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false

.gitignore

@@ -16,4 +16,5 @@ examples/**/example*
 cmd/wails/wails
 .DS_Store
 tmp
-node_modules/
+node_modules/
+/runtime/js/runtime/dist

.vscode/launch.json

@@ -4,6 +4,13 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "name": "Test cmd package",
+      "type": "go",
+      "request": "launch",
+      "mode": "test",
+      "program": "${workspaceFolder}/cmd/"
+    },
     {
       "name": "Wails Init",
       "type": "go",

CHANGELOG.md

@@ -1,3 +1,9 @@
+
+2019-07-20 **v0.17.6-pre**
+* Significant refactor of runtime 
+* Removed wailsbridge file - now a unified approach taken
+* Fixed React on Windows - Thanks [Florian Didran](https://github.com/fdidron)!
+
 2019-06-18 **v0.16.0**
 * React template FTW! - Thanks [admin_3.exe](https://github.com/bh90210)!
 * Updated contributors

CONTRIBUTORS.md

@@ -6,6 +6,7 @@ Wails is what it is because of the time and effort given by these great people.
 * [Qais Patankar](https://github.com/qaisjp)
 * [Anthony Lee](https://github.com/alee792)
 * [Adrian Lanzafame](https://github.com/lanzafame)
+* [Mattn](https://github.com/mattn)
 * [0xflotus](https://github.com/0xflotus)
 * [Michael D Henderson](https://github.com/mdhender)
 * [fred2104](https://github.com/fishfishfish2104)
@@ -15,3 +16,8 @@ Wails is what it is because of the time and effort given by these great people.
 * [iceleo-com](https://github.com/iceleo-com)
 * [fallendusk](https://github.com/fallendusk)
 * [Florian Didran](https://github.com/fdidron)
+* [Nikolai Zimmermann](https://github.com/Chronophylos)
+* [Toyam Cox](https://github.com/Vaelatern)
+* [Robin Eklind](https://github.com/mewmew)
+* [Kris Raney](https://github.com/kraney)
+* [soon cheol shin](https://github.com/scshin0572)

README.md

@@ -8,9 +8,10 @@
    <a href="http://godoc.org/github.com/wailsapp/wails"><img src="https://img.shields.io/badge/godoc-reference-blue.svg"/></a>
    <a href="https://www.codefactor.io/repository/github/wailsapp/wails"><img src="https://www.codefactor.io/repository/github/wailsapp/wails/badge" alt="CodeFactor" /></a>
    <a href="https://github.com/wailsapp/wails/issues"><img src="https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat" alt="CodeFactor" /></a>
+   <a href="https://app.fossa.io/projects/git%2Bgithub.com%2Fwailsapp%2Fwails?ref=badge_shield" alt="FOSSA Status"><img src="https://app.fossa.io/api/projects/git%2Bgithub.com%2Fwailsapp%2Fwails.svg?type=shield"/></a>
    <a href="https://houndci.com"><img src="https://img.shields.io/badge/Reviewed_by-Hound-8E64B0.svg"/></a>
    <a href="https://github.com/avelino/awesome-go" rel="nofollow"><img src="https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg" alt="Awesome"></a>
-   <a href="https://dashboard.guardrails.io/default/gh/wailsapp/wails"><img src="https://badges.guardrails.io/wailsapp/wails.svg?token=53657bc22ec360d7673c894fdd70568e918ec581d10d84427ed4de5fe1eeff1a"></a>
+   <a href="https://dev.azure.com/leaanthony/Wails/_build/latest?definitionId=1&branchName=master" rel="nofollow"><img src="https://dev.azure.com/leaanthony/Wails/_apis/build/status/wailsapp.wails?branchName=master" alt="Pipelines"></a>
 </p>
 
 The traditional method of providing web interfaces to Go programs is via a built-in web server. Wails offers a different approach: it provides the ability to wrap both Go code and a web frontend into a single binary. Tools are provided to make this easy for you by handling project creation, compilation and bundling. All you have to do is get creative!
@@ -46,19 +47,41 @@ Make sure you have the xcode command line tools installed. This can be done by r
 
 ### Linux
 
-#### Ubuntu 18.04, Debian 9, Zorin 15
+#### Debian/Ubuntu
 
-`sudo apt install pkg-config build-essential libgtk-3-dev libwebkit2gtk-4.0-dev`
+`sudo apt install libgtk-3-dev libwebkit2gtk-4.0-dev`
+
+_Debian: 8, 9, 10_
+
+_Ubuntu: 16.04, 18.04, 19.04_
+
+_Also succesfully tested on: Zorin 15, Parrot 4.7, Linuxmint 19, Elementary 5, Kali, Neon_
 
 #### Arch Linux
 
 `sudo pacman -S webkit2gtk gtk3`
 
-#### Red Hat Based Distros
+_Also succesfully test on: Manjaro & ArcoLinux_
 
-`sudo yum install webkit2gtk-devel gtk3-devel`
+#### Centos
 
-Note: If you have successfully installed these dependencies on a different flavour of Linux, please consider submitting a PR.
+`sudo yum install webkitgtk3-devel gtk3-devel`
+
+_CentOS 6, 7_
+
+#### Fedora
+
+`sudo yum install webkit2gtk3-devel gtk3-devel`
+
+_Fedora 29, 30_
+
+#### VoidLinux & VoidLinux-musl
+
+`xbps-install gtk+3-devel webkit2gtk-devel`
+
+#### Gentoo
+
+`sudo emerge gtk+:3 webkit-gtk`
 
 ### Windows
 
@@ -122,3 +145,6 @@ This project was mainly coded to the following albums:
   * [Maxthor - Another World](https://open.spotify.com/album/3tklE2Fgw1hCIUstIwPBJF)
   * [Alun Tan Lan - Y Distawrwydd](https://open.spotify.com/album/0c32OywcLpdJCWWMC6vB8v)
 
+## Licensing
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fwailsapp%2Fwails.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fwailsapp%2Fwails?ref=badge_large)

app.go

@@ -1,6 +1,11 @@
 package wails
 
 import (
+	"os"
+	"runtime"
+	"syscall"
+
+	"github.com/syossan27/tebata"
 	"github.com/wailsapp/wails/cmd"
 	"github.com/wailsapp/wails/lib/binding"
 	"github.com/wailsapp/wails/lib/event"
@@ -39,7 +44,7 @@ func CreateApp(optionalConfig ...*AppConfig) *App {
 	}
 
 	result := &App{
-		logLevel:       "info",
+		logLevel:       "debug",
 		renderer:       renderer.NewWebView(),
 		ipc:            ipc.NewManager(),
 		bindingManager: binding.NewManager(),
@@ -66,6 +71,7 @@ func CreateApp(optionalConfig ...*AppConfig) *App {
 
 // Run the app
 func (a *App) Run() error {
+
 	if BuildMode != cmd.BuildModeProd {
 		return a.cli.Run()
 	}
@@ -97,6 +103,18 @@ func (a *App) start() error {
 		return err
 	}
 
+	// Set debug mode
+	if runtime.GOOS == "windows" && BuildMode == cmd.BuildModeDebug {
+		a.renderer.EnableDebug()
+	}
+
+	// Start signal handler
+	t := tebata.New(os.Interrupt, os.Kill, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
+	t.Reserve(func() {
+		a.log.Debug("SIGNAL CAUGHT! Starting Shutdown")
+		a.renderer.Close()
+	})
+
 	// Start event manager and give it our renderer
 	a.eventManager.Start(a.renderer)
 
@@ -112,8 +130,33 @@ func (a *App) start() error {
 		return err
 	}
 
+	// Defer the shutdown
+	defer a.shutdown()
+
 	// Run the renderer
-	return a.renderer.Run()
+	err = a.renderer.Run()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// shutdown the app
+func (a *App) shutdown() {
+	// Make sure this is only called once
+	a.log.Debug("Shutting down")
+
+	// Shutdown Binding Manager
+	a.bindingManager.Shutdown()
+
+	// Shutdown IPC Manager
+	a.ipc.Shutdown()
+
+	// Shutdown Event Manager
+	a.eventManager.Shutdown()
+
+	a.log.Debug("Cleanly Shutdown")
 }
 
 // Bind allows the user to bind the given object

azure-pipelines.yaml

@@ -0,0 +1,138 @@
+# avoid double trigger by applying some rules
+# start a pipeline when push to 'master' branch 
+trigger:
+- master
+# or when pull request on 'develop' branch
+pr:
+- develop
+
+# for now there is only one stage 'Build'
+# in the future we could use multistage strategy for releases
+stages:
+- stage: Build
+
+  # there are 3 jobs
+  # one for each os
+  jobs:
+  - deployment: Linux
+    displayName: Lin
+    variables:
+      GOPATH: '$(Agent.BuildDirectory)/gopath' # Go workspace path
+      GOROOT: '$(Agent.BuildDirectory)/go' # Go installation path
+      GOBIN:  '$(GOPATH)/bin' # Go binaries path
+      GOMODULE: 'on'
+      modulePath: '$(Agent.BuildDirectory)/wails' # Path to the module's code
+    pool:
+      vmImage: 'Ubuntu-16.04'
+    environment: 'linux-dev'
+    strategy:
+      runOnce:
+        deploy:
+          steps:
+          - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
+            clean: true  # whether to fetch clean each time
+            path: wails  # path to check out source code, relative to the agent's build directory (e.g. \_work\1)
+            # go version 1.12.7
+          - script: |
+              wget "https://storage.googleapis.com/golang/go1.12.7.linux-amd64.tar.gz" --output-document "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+              tar -C '$(Agent.BuildDirectory)' -xzf "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+            displayName: 'Install Go 1.12.7 Linux'
+          - script: |
+              mkdir -p '$(GOBIN)'
+              mkdir -p '$(GOPATH)/pkg'
+              mkdir -p '$(GOROOT)'
+              shopt -s extglob
+              shopt -s dotglob
+              echo '##vso[task.prependpath]$(GOBIN)'
+              echo '##vso[task.prependpath]$(GOROOT)/bin'
+            displayName: 'Set up the Go workspace'
+          - script: |
+              go version
+              go get -v -d ./...
+              cd cmd/wails
+              go install
+            workingDirectory: '$(modulePath)'
+            displayName: 'Get dependencies, then build'
+          - script: |
+              wails version
+            workingDirectory: '$(modulePath)'
+            displayName: 'Check we have output'
+
+  - deployment: Mac
+    displayName: Mac
+    variables:
+      GOPATH: '$(Agent.BuildDirectory)/gopath' # Go workspace path
+      GOROOT: '$(Agent.BuildDirectory)/go' # Go installation path
+      GOBIN:  '$(GOPATH)/bin' # Go binaries path
+      GOMODULE: 'on'
+      modulePath: '$(Agent.BuildDirectory)/wails' # Path to the module's code
+    pool:
+      vmImage: 'macOS-10.14'
+    environment: 'mac-dev'
+    strategy:
+      runOnce:
+        deploy:
+          steps:
+          - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
+            clean: true  # whether to fetch clean each time
+            path: wails  # path to check out source code, relative to the agent's build directory (e.g. \_work\1)
+          # go version 1.12.7
+          - script: |
+              wget "https://storage.googleapis.com/golang/go1.12.7.darwin-amd64.tar.gz" --output-document "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+              tar -C '$(Agent.BuildDirectory)' -xzf "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+            displayName: 'Install Go 1.12.7 Linux'
+          - script: |
+              mkdir -p '$(GOBIN)'
+              mkdir -p '$(GOPATH)/pkg'
+              mkdir -p '$(GOROOT)'
+              shopt -s extglob
+              shopt -s dotglob
+              echo '##vso[task.prependpath]$(GOBIN)'
+              echo '##vso[task.prependpath]$(GOROOT)/bin'
+            displayName: 'Set up the Go workspace'
+          - script: |
+              go version
+              go get -v -d ./...
+              cd cmd/wails
+              go install
+            workingDirectory: '$(modulePath)'
+            displayName: 'Get dependencies, then build'
+          - script: |
+              wails version
+            workingDirectory: '$(modulePath)'
+            displayName: 'Check we have output'
+
+  - deployment: Win
+    displayName: Win
+    variables:
+      GOMODULE: 'on'
+      modulePath: '$(Agent.BuildDirectory)/wails' # Path to the module's code
+    pool:
+      vmImage: 'windows-2019'
+    environment: 'win-dev'
+    strategy:
+      runOnce:
+        deploy:
+          steps:
+          - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
+            clean: true  # whether to fetch clean each time
+            path: wails  # path to check out source code, relative to the agent's build directory (e.g. \_work\1)
+          # Go tool installer
+          # Find in cache or download a specific version of Go and add it to the PATH
+          - task: GoTool@0
+            inputs:
+              version: '1.12.7' 
+              goPath: '$(Agent.BuildDirectory)/go'
+              goBin: '$(Agent.BuildDirectory)/go/bin'
+            displayName: 'Set up the Go workspace'
+          - script: |
+              go version
+              go get -v -d ./...
+              cd cmd/wails
+              go install
+            workingDirectory: '$(modulePath)'
+            displayName: 'Get dependencies, then build'
+          - script: |
+              wails version
+            workingDirectory: '$(Agent.BuildDirectory)/go/bin'
+            displayName: 'Check we have output'

azure-pipelines.yml

@@ -0,0 +1,138 @@
+# avoid double trigger by applying some rules
+# start a pipeline when push to 'master' branch 
+trigger:
+- master
+# or when pull request on 'develop' branch
+pr:
+- develop
+
+# for now there is only one stage 'Build'
+# in the future we could use multistage strategy for releases
+stages:
+- stage: Build
+
+  # there are 3 jobs
+  # one for each os
+  jobs:
+  - deployment: Linux
+    displayName: Lin
+    variables:
+      GOPATH: '$(Agent.BuildDirectory)/gopath' # Go workspace path
+      GOROOT: '$(Agent.BuildDirectory)/go' # Go installation path
+      GOBIN:  '$(GOPATH)/bin' # Go binaries path
+      GOMODULE: 'on'
+      modulePath: '$(Agent.BuildDirectory)/wails' # Path to the module's code
+    pool:
+      vmImage: 'Ubuntu-16.04'
+    environment: 'linux-dev'
+    strategy:
+      runOnce:
+        deploy:
+          steps:
+          - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
+            clean: true  # whether to fetch clean each time
+            path: wails  # path to check out source code, relative to the agent's build directory (e.g. \_work\1)
+            # go version 1.12.7
+          - script: |
+              wget "https://storage.googleapis.com/golang/go1.12.7.linux-amd64.tar.gz" --output-document "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+              tar -C '$(Agent.BuildDirectory)' -xzf "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+            displayName: 'Install Go 1.12.7 Linux'
+          - script: |
+              mkdir -p '$(GOBIN)'
+              mkdir -p '$(GOPATH)/pkg'
+              mkdir -p '$(GOROOT)'
+              shopt -s extglob
+              shopt -s dotglob
+              echo '##vso[task.prependpath]$(GOBIN)'
+              echo '##vso[task.prependpath]$(GOROOT)/bin'
+            displayName: 'Set up the Go workspace'
+          - script: |
+              go version
+              go get -v -d ./...
+              cd cmd/wails
+              go install
+            workingDirectory: '$(modulePath)'
+            displayName: 'Get dependencies, then build'
+          - script: |
+              wails version
+            workingDirectory: '$(modulePath)'
+            displayName: 'Check we have output'
+
+  - deployment: Mac
+    displayName: Mac
+    variables:
+      GOPATH: '$(Agent.BuildDirectory)/gopath' # Go workspace path
+      GOROOT: '$(Agent.BuildDirectory)/go' # Go installation path
+      GOBIN:  '$(GOPATH)/bin' # Go binaries path
+      GOMODULE: 'on'
+      modulePath: '$(Agent.BuildDirectory)/wails' # Path to the module's code
+    pool:
+      vmImage: 'macOS-10.14'
+    environment: 'mac-dev'
+    strategy:
+      runOnce:
+        deploy:
+          steps:
+          - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
+            clean: true  # whether to fetch clean each time
+            path: wails  # path to check out source code, relative to the agent's build directory (e.g. \_work\1)
+          # go version 1.12.7
+          - script: |
+              wget "https://storage.googleapis.com/golang/go1.12.7.darwin-amd64.tar.gz" --output-document "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+              tar -C '$(Agent.BuildDirectory)' -xzf "$(Agent.BuildDirectory)/go1.12.7.tar.gz"
+            displayName: 'Install Go 1.12.7 Linux'
+          - script: |
+              mkdir -p '$(GOBIN)'
+              mkdir -p '$(GOPATH)/pkg'
+              mkdir -p '$(GOROOT)'
+              shopt -s extglob
+              shopt -s dotglob
+              echo '##vso[task.prependpath]$(GOBIN)'
+              echo '##vso[task.prependpath]$(GOROOT)/bin'
+            displayName: 'Set up the Go workspace'
+          - script: |
+              go version
+              go get -v -d ./...
+              cd cmd/wails
+              go install
+            workingDirectory: '$(modulePath)'
+            displayName: 'Get dependencies, then build'
+          - script: |
+              wails version
+            workingDirectory: '$(modulePath)'
+            displayName: 'Check we have output'
+
+  - deployment: Win
+    displayName: Win
+    variables:
+      GOMODULE: 'on'
+      modulePath: '$(Agent.BuildDirectory)/wails' # Path to the module's code
+    pool:
+      vmImage: 'windows-2019'
+    environment: 'win-dev'
+    strategy:
+      runOnce:
+        deploy:
+          steps:
+          - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
+            clean: true  # whether to fetch clean each time
+            path: wails  # path to check out source code, relative to the agent's build directory (e.g. \_work\1)
+          # Go tool installer
+          # Find in cache or download a specific version of Go and add it to the PATH
+          - task: GoTool@0
+            inputs:
+              version: '1.12.7' 
+              goPath: '$(Agent.BuildDirectory)/go'
+              goBin: '$(Agent.BuildDirectory)/go/bin'
+            displayName: 'Set up the Go workspace'
+          - script: |
+              go version
+              go get -v -d ./...
+              cd cmd/wails
+              go install
+            workingDirectory: '$(modulePath)'
+            displayName: 'Get dependencies, then build'
+          - script: |
+              wails version
+            workingDirectory: '$(Agent.BuildDirectory)/go/bin'
+            displayName: 'Check we have output'

cmd/github.go

@@ -18,7 +18,7 @@ func NewGitHubHelper() *GitHubHelper {
 }
 
 // GetVersionTags gets the list of tags on the Wails repo
-// It retuns a list of sorted tags in descending order
+// It returns a list of sorted tags in descending order
 func (g *GitHubHelper) GetVersionTags() ([]*SemanticVersion, error) {
 
 	result := []*SemanticVersion{}

cmd/helpers.go

@@ -7,6 +7,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"time"
 
 	"github.com/leaanthony/mewn"
@@ -87,6 +88,17 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 	buildCommand.Add("build")
 
 	if binaryName != "" {
+		// Alter binary name based on OS
+		switch runtime.GOOS {
+		case "windows":
+			if !strings.HasSuffix(binaryName, ".exe") {
+				binaryName += ".exe"
+			}
+		default:
+			if strings.HasSuffix(binaryName, ".exe") {
+				binaryName = strings.TrimSuffix(binaryName, ".exe")
+			}
+		}
 		buildCommand.Add("-o")
 		buildCommand.Add(binaryName)
 	}
@@ -103,7 +115,7 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 	}
 
 	// Add windows flags
-	if runtime.GOOS == "windows" {
+	if runtime.GOOS == "windows" && buildMode == BuildModeProd {
 		ldflags += "-H windowsgui "
 	}
 
@@ -219,6 +231,15 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 
 	const md5sumFile = "package.json.md5"
 
+	// If node_modules does not exist, force a rebuild.
+	nodeModulesPath, err := filepath.Abs(filepath.Join(".", "node_modules"))
+	if err != nil {
+		return err
+	}
+	if !fs.DirExists(nodeModulesPath) {
+		forceRebuild = true
+	}
+
 	// If we aren't forcing the install and the md5sum file exists
 	if !forceRebuild && fs.FileExists(md5sumFile) {
 		// Yes - read contents
@@ -275,7 +296,7 @@ func InstallRuntime(caller string, projectDir string, projectOptions *ProjectOpt
 // 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", "main.js")
+	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, "node_modules", "@wailsapp", "runtime", "init.js")
 	err := fs.CreateFile(bridgeFileTarget, []byte(bridgeFileData))
 	return err
 }
@@ -283,7 +304,7 @@ func InstallBridge(projectDir string, projectOptions *ProjectOptions) error {
 // 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", "main.js")
+	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, "node_modules", "@wailsapp", "runtime", "init.js")
 	err := fs.CreateFile(bridgeFileTarget, []byte(prodInit))
 	return err
 }

cmd/linux.go

@@ -17,122 +17,133 @@ type LinuxDistribution int
 const (
 	// Unknown is the catch-all distro
 	Unknown LinuxDistribution = iota
+	// Debian distribution
+	Debian
 	// Ubuntu distribution
 	Ubuntu
 	// Arch linux distribution
 	Arch
-	// RedHat linux distribution
-	RedHat
-	// Debian distribution
-	Debian
+	// CentOS linux distribution
+	CentOS
+	// Fedora linux distribution
+	Fedora
 	// Gentoo distribution
 	Gentoo
 	// Zorin distribution
 	Zorin
+	// Parrot distribution
+	Parrot
+	// Linuxmint distribution
+	Linuxmint
+	// VoidLinux distribution
+	VoidLinux
+	// Elementary distribution
+	Elementary
+	// Kali distribution
+	Kali
+	// Neon distribution
+	Neon
+	// Manjaro distribution
+	Manjaro
 )
 
 // DistroInfo contains all the information relating to a linux distribution
 type DistroInfo struct {
-	Distribution  LinuxDistribution
-	Description   string
-	Release       string
-	Codename      string
-	DistributorID string
-	DiscoveredBy  string
+	Distribution LinuxDistribution
+	Name         string
+	ID           string
+	Description  string
+	Release      string
 }
 
 // GetLinuxDistroInfo returns information about the running linux distribution
 func GetLinuxDistroInfo() *DistroInfo {
-	result := &DistroInfo{Distribution: Unknown}
-	program := NewProgramHelper()
-	// Does lsb_release exist?
-
-	lsbRelease := program.FindProgram("lsb_release")
-	if lsbRelease != nil {
-		stdout, _, _, err := lsbRelease.Run("-a")
-		if err != nil {
-			return result
-		}
-		result.DiscoveredBy = "lsb"
-		for _, line := range strings.Split(stdout, "\n") {
-			if strings.Contains(line, ":") {
-				// Iterate lines a
-				details := strings.Split(line, ":")
-				key := strings.TrimSpace(details[0])
-				value := strings.TrimSpace(details[1])
-				switch key {
-				case "Distributor ID":
-					result.DistributorID = value
-					switch value {
-					case "Ubuntu":
-						result.Distribution = Ubuntu
-					case "Arch", "ManjaroLinux":
-						result.Distribution = Arch
-					case "Debian":
-						result.Distribution = Debian
-					case "Gentoo":
-						result.Distribution = Gentoo
-					case "Zorin":
-						result.Distribution = Zorin
-					case "Fedora":
-						result.Distribution = RedHat
-					}
-				case "Description":
-					result.Description = value
-				case "Release":
-					result.Release = value
-				case "Codename":
-					result.Codename = value
-				}
-			}
-		}
-		// check if /etc/os-release exists
-	} else if _, err := os.Stat("/etc/os-release"); !os.IsNotExist(err) {
-		// Default value
-		osName := "Unknown"
-		version := ""
-		// read /etc/os-release
+	result := &DistroInfo{
+		Distribution: Unknown,
+		ID:           "unknown",
+		Name:         "Unknown",
+	}
+	_, err := os.Stat("/etc/os-release")
+	if !os.IsNotExist(err) {
 		osRelease, _ := ioutil.ReadFile("/etc/os-release")
-		// Split into lines
-		lines := strings.Split(string(osRelease), "\n")
-		// Iterate lines
-		for _, line := range lines {
-			// Split each line by the equals char
-			splitLine := strings.SplitN(line, "=", 2)
-			// Check we have
-			if len(splitLine) != 2 {
-				continue
-			}
-			switch splitLine[0] {
-			case "NAME":
-				osName = strings.Trim(splitLine[1], "\"")
-			case "VERSION_ID":
-				version = strings.Trim(splitLine[1], "\"")
-			}
-
-		}
-		// Check distro name against list of distros
-		result.Release = version
-		result.DiscoveredBy = "os-release"
-		switch osName {
-		case "Fedora":
-			result.Distribution = RedHat
-		case "CentOS":
-			result.Distribution = RedHat
-		case "Arch Linux":
-			result.Distribution = Arch
-		case "Debian GNU/Linux":
-			result.Distribution = Debian
-		case "Gentoo/Linux":
-			result.Distribution = Gentoo
-		default:
-			result.Distribution = Unknown
-			result.DistributorID = osName
-		}
+		result = parseOsRelease(string(osRelease))
 	}
 	return result
 }
 
+// parseOsRelease parses the given os-release data and returns
+// a DistroInfo struct with the details
+func parseOsRelease(osRelease string) *DistroInfo {
+	result := &DistroInfo{Distribution: Unknown}
+
+	// Default value
+	osID := "unknown"
+	osNAME := "Unknown"
+	version := ""
+
+	// Split into lines
+	lines := strings.Split(osRelease, "\n")
+	// Iterate lines
+	for _, line := range lines {
+		// Split each line by the equals char
+		splitLine := strings.SplitN(line, "=", 2)
+		// Check we have
+		if len(splitLine) != 2 {
+			continue
+		}
+		switch splitLine[0] {
+		case "ID":
+			osID = strings.Trim(splitLine[1], "\"")
+		case "NAME":
+			osNAME = strings.Trim(splitLine[1], "\"")
+		case "VERSION_ID":
+			version = strings.Trim(splitLine[1], "\"")
+		}
+	}
+	// Check distro name against list of distros
+	switch osID {
+	case "fedora":
+		result.Distribution = Fedora
+	case "centos":
+		result.Distribution = CentOS
+	case "arch":
+		result.Distribution = Arch
+	case "debian":
+		result.Distribution = Debian
+	case "ubuntu":
+		result.Distribution = Ubuntu
+	case "gentoo":
+		result.Distribution = Gentoo
+	case "zorin":
+		result.Distribution = Zorin
+	case "parrot":
+		result.Distribution = Parrot
+	case "linuxmint":
+		result.Distribution = Linuxmint
+	case "void":
+		result.Distribution = VoidLinux
+	case "elementary":
+		result.Distribution = Elementary
+	case "kali":
+		result.Distribution = Kali
+	case "neon":
+		result.Distribution = Neon
+	case "manjaro":
+		result.Distribution = Manjaro
+	default:
+		result.Distribution = Unknown
+	}
+
+	result.Name = osNAME
+	result.ID = osID
+	result.Release = version
+
+	return result
+}
+
+// CheckPkgInstalled is all functions that use local programs to see if a package is installed
+type CheckPkgInstalled func(string) (bool, error)
+
 // EqueryInstalled uses equery to see if a package is installed
 func EqueryInstalled(packageName string) (bool, error) {
 	program := NewProgramHelper()
@@ -166,6 +177,17 @@ func PacmanInstalled(packageName string) (bool, error) {
 	return exitCode == 0, nil
 }
 
+// XbpsInstalled uses pacman to see if a package is installed.
+func XbpsInstalled(packageName string) (bool, error) {
+	program := NewProgramHelper()
+	xbpsQuery := program.FindProgram("xbps-query")
+	if xbpsQuery == nil {
+		return false, fmt.Errorf("cannot check dependencies: xbps-query not found")
+	}
+	_, _, exitCode, _ := xbpsQuery.Run("-S", packageName)
+	return exitCode == 0, nil
+}
+
 // RpmInstalled uses rpm to see if a package is installed
 func RpmInstalled(packageName string) (bool, error) {
 	program := NewProgramHelper()
@@ -179,18 +201,18 @@ func RpmInstalled(packageName string) (bool, error) {
 
 // RequestSupportForDistribution promts the user to submit a request to support their
 // currently unsupported distribution
-func RequestSupportForDistribution(distroInfo *DistroInfo, libraryName string) error {
+func RequestSupportForDistribution(distroInfo *DistroInfo) error {
 	var logger = NewLogger()
-	defaultError := fmt.Errorf("unable to check libraries on distribution '%s'. Please ensure that the '%s' equivalent is installed", distroInfo.DistributorID, libraryName)
+	defaultError := fmt.Errorf("unable to check libraries on distribution '%s'", distroInfo.Name)
 
-	logger.Yellow("Distribution '%s' is not currently supported, but we would love to!", distroInfo.DistributorID)
-	q := fmt.Sprintf("Would you like to submit a request to support distribution '%s'?", distroInfo.DistributorID)
+	logger.Yellow("Distribution '%s' is not currently supported, but we would love to!", distroInfo.Name)
+	q := fmt.Sprintf("Would you like to submit a request to support distribution '%s'?", distroInfo.Name)
 	result := Prompt(q, "yes")
 	if strings.ToLower(result) != "yes" {
 		return defaultError
 	}
 
-	title := fmt.Sprintf("Support Distribution '%s'", distroInfo.DistributorID)
+	title := fmt.Sprintf("Support Distribution '%s'", distroInfo.Name)
 
 	var str strings.Builder
 
@@ -205,16 +227,15 @@ func RequestSupportForDistribution(distroInfo *DistroInfo, libraryName string) e
 	str.WriteString(fmt.Sprintf("| Platform      | %s |\n", runtime.GOOS))
 	str.WriteString(fmt.Sprintf("| Arch          | %s |\n", runtime.GOARCH))
 	str.WriteString(fmt.Sprintf("| GO111MODULE   | %s |\n", gomodule))
-	str.WriteString(fmt.Sprintf("| Distribution ID   | %s |\n", distroInfo.DistributorID))
+	str.WriteString(fmt.Sprintf("| Distribution ID   | %s |\n", distroInfo.ID))
+	str.WriteString(fmt.Sprintf("| Distribution Name   | %s |\n", distroInfo.Name))
 	str.WriteString(fmt.Sprintf("| Distribution Version   | %s |\n", distroInfo.Release))
-	str.WriteString(fmt.Sprintf("| Discovered by   | %s |\n", distroInfo.DiscoveredBy))
 
-	body := fmt.Sprintf("**Description**\nDistribution '%s' is currently unsupported.\n\n**Further Information**\n\n%s\n\n*Please add any extra information here, EG: libraries that are needed to make the distribution work, or commands to install them*", distroInfo.DistributorID, str.String())
+	body := fmt.Sprintf("**Description**\nDistribution '%s' is currently unsupported.\n\n**Further Information**\n\n%s\n\n*Please add any extra information here, EG: libraries that are needed to make the distribution work, or commands to install them*", distroInfo.ID, str.String())
 	fullURL := "https://github.com/wailsapp/wails/issues/new?"
 	params := "title=" + title + "&body=" + body
 
 	fmt.Println("Opening browser to file request.")
 	browser.OpenURL(fullURL + url.PathEscape(params))
 	return nil
-
 }

cmd/linux_test.go

@@ -0,0 +1,26 @@
+package cmd
+
+import "testing"
+
+func TestUbuntuDetection(t *testing.T) {
+	osrelease := `
+NAME="Ubuntu"
+VERSION="18.04.2 LTS (Bionic Beaver)"
+ID=ubuntu
+ID_LIKE=debian
+PRETTY_NAME="Ubuntu 18.04.2 LTS"
+VERSION_ID="18.04"
+HOME_URL="https://www.ubuntu.com/"
+SUPPORT_URL="https://help.ubuntu.com/"
+BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
+PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
+VERSION_CODENAME=bionic
+UBUNTU_CODENAME=bionic
+`
+
+	result := parseOsRelease(osrelease)
+	if result.Distribution != Ubuntu {
+		t.Errorf("expected 'Ubuntu' ID but got '%d'", result.Distribution)
+	}
+
+}

cmd/linuxdb.go

@@ -0,0 +1,91 @@
+package cmd
+
+import (
+	"log"
+
+	"github.com/leaanthony/mewn"
+	"gopkg.in/yaml.v3"
+)
+
+// LinuxDB is the database for linux distribution data.
+type LinuxDB struct {
+	Distributions map[string]*Distribution `yaml:"distributions"`
+}
+
+// Distribution holds the os-release ID and a map of releases.
+type Distribution struct {
+	ID       string              `yaml:"id"`
+	Releases map[string]*Release `yaml:"releases"`
+}
+
+// GetRelease attempts to return the specific Release information
+// for the given release name. If there is no specific match, the
+// default release data is returned.
+func (d *Distribution) GetRelease(version string) *Release {
+	result := d.Releases[version]
+	if result == nil {
+		result = d.Releases["default"]
+	}
+	return result
+}
+
+// Release holds the name and version of the release as given by
+// os-release. Programs is a slice of dependant programs required
+// to be present on the local installation for Wails to function.
+// Libraries is a slice of libraries that must be present for Wails
+// applications to compile.
+type Release struct {
+	Name              string          `yaml:"name"`
+	Version           string          `yaml:"version"`
+	GccVersionCommand string          `yaml:"gccversioncommand"`
+	Programs          []*Prerequisite `yaml:"programs"`
+	Libraries         []*Prerequisite `yaml:"libraries"`
+}
+
+// Prerequisite is a simple struct containing a program/library name
+// plus the distribution specific help text indicating how to install
+// it.
+type Prerequisite struct {
+	Name string `yaml:"name"`
+	Help string `yaml:"help,omitempty"`
+}
+
+// Load will load the given filename from disk and attempt to
+// import the data into the LinuxDB.
+func (l *LinuxDB) Load(filename string) error {
+	if fs.FileExists(filename) {
+		data, err := fs.LoadAsBytes(filename)
+		if err != nil {
+			return err
+		}
+		return l.ImportData(data)
+	}
+	return nil
+}
+
+// ImportData will unmarshal the given YAML formatted data
+// into the LinuxDB
+func (l *LinuxDB) ImportData(data []byte) error {
+	return yaml.Unmarshal(data, l)
+}
+
+// GetDistro returns the Distribution information for the
+// given distribution name. If the distribution is not supported,
+// nil is returned.
+func (l *LinuxDB) GetDistro(distro string) *Distribution {
+	return l.Distributions[distro]
+}
+
+// NewLinuxDB creates a new LinuxDB instance from the bundled
+// linuxdb.yaml file.
+func NewLinuxDB() *LinuxDB {
+	data := mewn.Bytes("./linuxdb.yaml")
+	result := LinuxDB{
+		Distributions: make(map[string]*Distribution),
+	}
+	err := result.ImportData(data)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return &result
+}

cmd/linuxdb.yaml

@@ -0,0 +1,188 @@
+---
+distributions:
+  debian:
+    id: debian
+    releases:
+      default:
+        name: Debian
+        version: default
+        gccversioncommand: &gccdumpversion -dumpversion
+        programs: &debiandefaultprograms
+          - name: gcc
+            help: Please install with `sudo apt-get install build-essential` and try again
+          - name: pkg-config
+            help: Please install with `sudo apt-get install pkg-config` and try again
+          - name: npm
+            help: Please install with `curl -sL https://deb.nodesource.com/setup_12.x | sudo bash - && sudo apt-get install -y nodejs` and try again
+        libraries: &debiandefaultlibraries
+          - name: libgtk-3-dev
+            help: Please install with `sudo apt-get install libgtk-3-dev` and try again
+          - name: libwebkit2gtk-4.0-dev
+            help: Please install with `sudo apt-get install libwebkit2gtk-4.0-dev` and try again
+  ubuntu:
+    id: ubuntu
+    releases:
+      default:
+        version: default
+        name: Ubuntu
+        gccversioncommand: &gccdumpfullversion -dumpfullversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  kali:
+    id: kali
+    releases:
+      default:
+        version: default
+        name: Kali GNU/Linux
+        gccversioncommand: *gccdumpfullversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  parrot:
+    id: parrot
+    releases:
+      default:
+        version: default
+        name: Parrot GNU/Linux
+        gccversioncommand: *gccdumpversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  zorin:
+    id: zorin
+    releases:
+      default:
+        version: default
+        name: Zorin
+        gccversioncommand: *gccdumpversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  linuxmint:
+    id: linuxmint
+    releases:
+      default:
+        version: default
+        name: Linux Mint
+        gccversioncommand: *gccdumpversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  elementary:
+    id: elementary
+    releases:
+      default:
+        version: default
+        name: elementary OS
+        gccversioncommand: *gccdumpfullversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  neon:
+    id: neon
+    releases:
+      default:
+        version: default
+        name: KDE neon
+        gccversioncommand: *gccdumpfullversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
+  void:
+    id: void
+    releases:
+      default:
+        version: default
+        name: VoidLinux
+        gccversioncommand: *gccdumpversion
+        programs:
+          - name: gcc
+            help: Please install with `xbps-install base-devel` and try again
+          - name: pkg-config
+            help: Please install with `xbps-install pkg-config` and try again
+          - name: npm
+            help: Please install with `xbps-install nodejs` and try again
+        libraries:
+          - name: gtk+3-devel
+            help: Please install with `xbps-install gtk+3-devel` and try again
+          - name: webkit2gtk-devel
+            help: Please install with `xbps-install webkit2gtk-devel` and try again
+  centos:
+    id: centos
+    releases:
+      default:
+        version: default
+        name: CentOS 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:
+      default:
+        version: default
+        name: Fedora
+        gccversioncommand: *gccdumpfullversion
+        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 `sudo yum install nodejs` and try again
+        libraries:
+          - name: gtk3-devel
+            help: Please install with `sudo yum install gtk3-devel` and try again
+          - name: webkit2gtk3-devel
+            help: Please install with `sudo yum install webkit2gtk3-devel` and try again
+  arch:
+    id: arch
+    releases:
+      default:
+        version: default
+        name: Arch Linux
+        gccversioncommand: *gccdumpversion
+        programs: &archdefaultprograms
+          - name: gcc
+            help: Please install with `sudo pacman -S gcc` and try again
+          - name: pkgconf
+            help: Please install with `sudo pacman -S pkgconf` and try again
+          - name: npm
+            help: Please install with `sudo pacman -S npm` and try again
+        libraries: &archdefaultlibraries
+          - name: gtk3
+            help: Please install with `sudo pacman -S gtk3` and try again
+          - name: webkit2gtk
+            help: Please install with `sudo pacman -S webkit2gtk` and try again
+  manjaro:
+    id: manjaro
+    releases:
+      default:
+        version: default
+        name: Manjaro Linux
+        gccversioncommand: *gccdumpversion
+        programs: *archdefaultprograms
+        libraries: *archdefaultlibraries
+  gentoo:
+    id: gentoo
+    releases:
+      default:
+        version: default
+        name: Gentoo
+        gccversioncommand: *gccdumpversion
+        programs:
+          - name: gcc
+            help: Please install using your system's package manager
+          - name: pkg-config
+            help: Please install using your system's package manager
+          - name: npm
+            help: Please install using your system's package manager
+        libraries:
+          - name: gtk+:3
+            help: Please install with `sudo emerge gtk+:3` and try again
+          - name: webkit-gtk
+            help: Please install with `sudo emerge webkit-gtk` and try again

cmd/linuxdb_test.go

@@ -0,0 +1,81 @@
+package cmd
+
+import "testing"
+
+func TestNewLinuxDB(t *testing.T) {
+	_ = NewLinuxDB()
+}
+
+func TestKnownDistro(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("ubuntu")
+	if result == nil {
+		t.Error("Cannot get distro 'ubuntu'")
+	}
+}
+
+func TestUnknownDistro(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("unknown")
+	if result != nil {
+		t.Error("Should get nil for distribution 'unknown'")
+	}
+}
+
+func TestDefaultRelease(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("ubuntu")
+	if result == nil {
+		t.Error("Cannot get distro 'ubuntu'")
+	}
+
+	release := result.GetRelease("default")
+	if release == nil {
+		t.Error("Cannot get release 'default' for distro 'ubuntu'")
+	}
+}
+
+func TestUnknownRelease(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("ubuntu")
+	if result == nil {
+		t.Error("Cannot get distro 'ubuntu'")
+	}
+
+	release := result.GetRelease("16.04")
+	if release == nil {
+		t.Error("Failed to get release 'default' for unknown release version '16.04'")
+	}
+
+	if release.Version != "default" {
+		t.Errorf("Got version '%s' instead of 'default' for unknown release version '16.04'", result.ID)
+	}
+}
+
+func TestGetPrerequisites(t *testing.T) {
+	var linuxDB = NewLinuxDB()
+	result := linuxDB.GetDistro("debian")
+	if result == nil {
+		t.Error("Cannot get distro 'debian'")
+	}
+
+	release := result.GetRelease("default")
+	if release == nil {
+		t.Error("Failed to get release 'default' for unknown release version '16.04'")
+	}
+
+	if release.Version != "default" {
+		t.Errorf("Got version '%s' instead of 'default' for unknown release version '16.04'", result.ID)
+	}
+
+	if release.Name != "Debian" {
+		t.Errorf("Got Release Name '%s' instead of 'debian' for unknown release version '16.04'", release.Name)
+	}
+
+	if len(release.Programs) != 3 {
+		t.Errorf("Expected %d programs for unknown release version '16.04'", len(release.Programs))
+	}
+	if len(release.Libraries) != 2 {
+		t.Errorf("Expected %d libraries for unknown release version '16.04'", len(release.Libraries))
+	}
+}

cmd/package.go

@@ -191,8 +191,15 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 
 	// Build syso
 	sysofile := filepath.Join(b.fs.Cwd(), basename+"-res.syso")
-	windresCommand := []string{"windres", "-o", sysofile, tgtRCFile}
-	err := NewProgramHelper().RunCommandArray(windresCommand)
+
+	batfile, err := fs.LocalDir(".")
+	if err != nil {
+		return err
+	}
+
+	windresBatFile := filepath.Join(batfile.fullPath, "windres.bat")
+	windresCommand := []string{windresBatFile, sysofile, tgtRCFile}
+	err = NewProgramHelper().RunCommandArray(windresCommand)
 	if err != nil {
 		return err
 	}

cmd/prerequisites.go

@@ -5,13 +5,6 @@ import (
 	"runtime"
 )
 
-// Prerequisite defines a Prerequisite!
-type Prerequisite struct {
-	Name string
-	Help string
-	Path string
-}
-
 func newPrerequisite(name, help string) *Prerequisite {
 	return &Prerequisite{Name: name, Help: help}
 }
@@ -48,16 +41,13 @@ func getRequiredProgramsOSX() *Prerequisites {
 func getRequiredProgramsLinux() *Prerequisites {
 	result := &Prerequisites{}
 	distroInfo := GetLinuxDistroInfo()
-	switch distroInfo.Distribution {
-	case Ubuntu, Debian, Zorin:
-		result.Add(newPrerequisite("gcc", "Please install with `sudo apt install build-essentials` and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with `sudo apt install pkg-config` and try again"))
-		result.Add(newPrerequisite("npm", "Please install with `sudo snap install node --channel=12/stable --classic` and try again"))
-	default:
-		result.Add(newPrerequisite("gcc", "Please install with your system package manager and try again"))
-		result.Add(newPrerequisite("pkg-config", "Please install with your system package manager and try again"))
-		result.Add(newPrerequisite("npm", "Please install from https://nodejs.org/en/download/ and try again"))
-
+	if distroInfo.Distribution != Unknown {
+		var linuxDB = NewLinuxDB()
+		distro := linuxDB.GetDistro(distroInfo.ID)
+		release := distro.GetRelease(distroInfo.Release)
+		for _, program := range release.Programs {
+			result.Add(program)
+		}
 	}
 	return result
 }
@@ -91,23 +81,15 @@ func getRequiredLibrariesOSX() (*Prerequisites, error) {
 
 func getRequiredLibrariesLinux() (*Prerequisites, error) {
 	result := &Prerequisites{}
+	// The Linux Distribution DB
 	distroInfo := GetLinuxDistroInfo()
-	switch distroInfo.Distribution {
-	case Ubuntu, Debian, Zorin:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with `sudo apt install libgtk-3-dev` and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with `sudo apt install libwebkit2gtk-4.0-dev` and try again"))
-	case Gentoo:
-		result.Add(newPrerequisite("gtk+:3", "Please install with `sudo emerge gtk+:3` and try again"))
-		result.Add(newPrerequisite("webkit-gtk", "Please install with `sudo emerge webkit-gtk` and try again"))
-	case Arch:
-		result.Add(newPrerequisite("gtk3", "Please install with `sudo pacman -S gtk3` and try again"))
-		result.Add(newPrerequisite("webkit2gtk", "Please install with `sudo pacman -S webkit2gtk` and try again"))
-	case RedHat:
-		result.Add(newPrerequisite("gtk3-devel", "Please install with `sudo yum install gtk3-devel` and try again"))
-		result.Add(newPrerequisite("webkit2gtk3-devel", "Please install with `sudo yum install webkit2gtk3-devel` and try again"))
-	default:
-		result.Add(newPrerequisite("libgtk-3-dev", "Please install with your system package manager and try again"))
-		result.Add(newPrerequisite("libwebkit2gtk-4.0-dev", "Please install with your system package manager and try again"))
+	if distroInfo.Distribution != Unknown {
+		var linuxDB = NewLinuxDB()
+		distro := linuxDB.GetDistro(distroInfo.ID)
+		release := distro.GetRelease(distroInfo.Release)
+		for _, library := range release.Libraries {
+			result.Add(library)
+		}
 	}
 	return result, nil
 }

cmd/program.go

@@ -100,6 +100,19 @@ func (p *ProgramHelper) InstallGoPackage(packageName string) error {
 	return err
 }
 
+// InstallNPMPackage installs the given npm package
+func (p *ProgramHelper) InstallNPMPackage(packageName string, save bool) error {
+	args := strings.Split("install "+packageName, " ")
+	if save {
+		args = append(args, "--save")
+	}
+	_, stderr, err := p.shell.Run("npm", args...)
+	if err != nil {
+		fmt.Println(stderr)
+	}
+	return err
+}
+
 // RunCommand runs the given command
 func (p *ProgramHelper) RunCommand(command string) error {
 	args := strings.Split(command, " ")
@@ -115,6 +128,7 @@ func (p *ProgramHelper) RunCommandArray(args []string, dir ...string) error {
 		fmt.Printf("ERROR: Looks like '%s' isn't installed. Please install and try again.", program)
 		return err
 	}
+
 	args = args[1:]
 	var stderr string
 	var stdout string

cmd/project.go

@@ -13,6 +13,18 @@ import (
 	"github.com/leaanthony/slicer"
 )
 
+// PackageManager indicates different package managers
+type PackageManager int
+
+const (
+	// UNKNOWN package manager
+	UNKNOWN PackageManager = iota
+	// NPM package manager
+	NPM
+	// YARN package manager
+	YARN
+)
+
 type author struct {
 	Name  string `json:"name"`
 	Email string `json:"email"`
@@ -112,9 +124,9 @@ func (ph *ProjectHelper) NewProjectOptions() *ProjectOptions {
 		Description: "Enter your project description",
 		Version:     "0.1.0",
 		BinaryName:  "",
-		system:      NewSystemHelper(),
-		log:         NewLogger(),
-		templates:   NewTemplateHelper(),
+		system:      ph.system,
+		log:         ph.log,
+		templates:   ph.templates,
 		Author:      &author{},
 	}
 
@@ -153,6 +165,23 @@ func (po *ProjectOptions) Defaults() {
 	po.WailsVersion = Version
 }
 
+// GetNPMBinaryName returns the type of package manager used by the project
+func (po *ProjectOptions) GetNPMBinaryName() (PackageManager, error) {
+	if po.FrontEnd == nil {
+		return UNKNOWN, fmt.Errorf("No frontend specified in project options")
+	}
+
+	if strings.Index(po.FrontEnd.Install, "npm") > -1 {
+		return NPM, nil
+	}
+
+	if strings.Index(po.FrontEnd.Install, "yarn") > -1 {
+		return YARN, nil
+	}
+
+	return UNKNOWN, nil
+}
+
 // PromptForInputs asks the user to input project details
 func (po *ProjectOptions) PromptForInputs() error {
 

cmd/prompt.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"fmt"
 	"os"
-	"runtime"
 	"strconv"
 	"strings"
 )
@@ -20,11 +19,7 @@ func Prompt(question string, defaultValue ...string) string {
 	fmt.Printf(question + ": ")
 	reader := bufio.NewReader(os.Stdin)
 	input, _ := reader.ReadString('\n')
-	EOL := "\n"
-	if runtime.GOOS == "windows" {
-		EOL = "\r\n"
-	}
-	input = strings.Replace(input, EOL, "", -1)
+	input = strings.TrimSpace(input)
 
 	if input != "" {
 		answer = input

cmd/semver.go

@@ -3,7 +3,7 @@ package cmd
 import (
 	"fmt"
 
-	"github.com/masterminds/semver"
+	"github.com/Masterminds/semver"
 )
 
 // SemanticVersion is a struct containing a semantic version

cmd/system.go

@@ -269,55 +269,35 @@ func CheckDependencies(logger *Logger) (bool, error) {
 		if err != nil {
 			return false, err
 		}
+
+		var libraryChecker CheckPkgInstalled
 		distroInfo := GetLinuxDistroInfo()
+
+		switch distroInfo.Distribution {
+		case Ubuntu, Debian, Zorin, Parrot, Linuxmint, Elementary, Kali, Neon:
+			libraryChecker = DpkgInstalled
+		case Arch, Manjaro:
+			libraryChecker = PacmanInstalled
+		case CentOS, Fedora:
+			libraryChecker = RpmInstalled
+		case Gentoo:
+			libraryChecker = EqueryInstalled
+		case VoidLinux:
+			libraryChecker = XbpsInstalled
+		default:
+			return false, RequestSupportForDistribution(distroInfo)
+		}
+
 		for _, library := range *requiredLibraries {
-			switch distroInfo.Distribution {
-			case Ubuntu, Zorin, Debian:
-				installed, err := DpkgInstalled(library.Name)
-				if err != nil {
-					return false, err
-				}
-				if !installed {
-					errors = true
-					logger.Error("Library '%s' not found. %s", library.Name, library.Help)
-				} else {
-					logger.Green("Library '%s' installed.", library.Name)
-				}
-			case Arch:
-				installed, err := PacmanInstalled(library.Name)
-				if err != nil {
-					return false, err
-				}
-				if !installed {
-					errors = true
-					logger.Error("Library '%s' not found. %s", library.Name, library.Help)
-				} else {
-					logger.Green("Library '%s' installed.", library.Name)
-				}
-			case RedHat:
-				installed, err := RpmInstalled(library.Name)
-				if err != nil {
-					return false, err
-				}
-				if !installed {
-					errors = true
-					logger.Error("Library '%s' not found. %s", library.Name, library.Help)
-				} else {
-					logger.Green("Library '%s' installed.", library.Name)
-				}
-			case Gentoo:
-				installed, err := EqueryInstalled(library.Name)
-				if err != nil {
-					return false, err
-				}
-				if !installed {
-					errors = true
-					logger.Error("Library '%s' not found. %s", library.Name, library.Help)
-				} else {
-					logger.Green("Library '%s' installed.", library.Name)
-				}
-			default:
-				return false, RequestSupportForDistribution(distroInfo, library.Name)
+			installed, err := libraryChecker(library.Name)
+			if err != nil {
+				return false, err
+			}
+			if !installed {
+				errors = true
+				logger.Error("Library '%s' not found. %s", library.Name, library.Help)
+			} else {
+				logger.Green("Library '%s' installed.", library.Name)
 			}
 		}
 	}

cmd/templates.go

@@ -67,7 +67,7 @@ func NewTemplateHelper() *TemplateHelper {
 	}
 }
 
-// IsValidTemplate returns true if the given tempalte name resides on disk
+// IsValidTemplate returns true if the given template name resides on disk
 func (t *TemplateHelper) IsValidTemplate(templateName string) bool {
 	pathToTemplate := filepath.Join(t.templateDir.fullPath, templateName)
 	return t.fs.DirExists(pathToTemplate)

cmd/templates/angular-template/frontend/browserslist

@@ -9,4 +9,4 @@
 last 2 versions
 Firefox ESR
 not dead
-not IE 9-11 # For IE 9-11 support, remove 'not'.
+IE 9-11 # For IE 9-11 support, remove 'not'.

cmd/templates/angular-template/frontend/src/main.ts

@@ -6,7 +6,7 @@ import { environment } from './environments/environment';
 
 import 'zone.js'
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 if (environment.production) {
   enableProdMode();

cmd/templates/angular-template/frontend/src/wailsbridge.js

@@ -1,17 +0,0 @@
-/*
-    Wails Bridge (c) 2019-present Lea Anthony
-
-    This prod version is to get around having to rewrite your code
-    for production. When doing a release build, this file will be used 
-    instead of the full version.
-*/
-
-export default {
-  // The main function
-  // Passes the main Wails object to the callback if given.
-  Start: function(callback) {
-    if (callback) {
-      window.wails.events.on("wails:ready", callback);
-    }
-  }
-};

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

@@ -4,6 +4,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "core-js": "^3.1.4",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "wails-react-scripts": "3.0.1-2",

cmd/templates/create-react-app/frontend/src/index.js

@@ -1,9 +1,10 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
+import 'core-js/stable';
 import './index.css';
 import App from './App';
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
   ReactDOM.render(<App />, document.getElementById('app'));

cmd/templates/create-react-app/frontend/src/wailsbridge.js

@@ -1,17 +0,0 @@
-/*
-    Wails Bridge (c) 2019-present Lea Anthony
-
-    This prod version is to get around having to rewrite your code
-    for production. When doing a release build, this file will be used 
-    instead of the full version.
-*/
-
-export default {
-  // The main function
-  // Passes the main Wails object to the callback if given.
-  Start: function (callback) {
-    if (callback) {
-      window.wails.Events.On("wails:ready", callback);
-    }
-  }
-};

cmd/templates/vuebasic/frontend/src/main.js

@@ -4,7 +4,7 @@ import App from './App.vue';
 Vue.config.productionTip = false;
 Vue.config.devtools = true;
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
 	new Vue({

cmd/templates/vuetify-basic/frontend/src/main.js

@@ -12,7 +12,7 @@ import App from './App.vue';
 Vue.config.productionTip = false;
 Vue.config.devtools = true;
 
-import Wails from '@wailsapp/runtime';
+import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
 	new Vue({

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v0.17.5-pre"
+const Version = "v0.18.14-pre"

cmd/wails/0_setup.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"runtime"
 
 	"github.com/wailsapp/wails/cmd"
@@ -24,7 +23,7 @@ func init() {
 
 		system := cmd.NewSystemHelper()
 		err = system.Initialise()
-		if err == nil {
+		if err != nil {
 			return err
 		}
 
@@ -33,23 +32,9 @@ Create your first project by running 'wails init'.`
 		if runtime.GOOS != "windows" {
 			successMessage = "🚀 " + successMessage
 		}
-		// Platform check
-		err = platformCheck()
-		if err != nil {
-			return err
-		}
 
-		// Check we have a cgo capable environment
-		logger.Yellow("Checking for prerequisites...")
-		var requiredProgramErrors bool
-		requiredProgramErrors, err = checkRequiredPrograms()
-		if err != nil {
-			return err
-		}
-
-		// Linux has library deps
-		var libraryErrors bool
-		libraryErrors, err = checkLibraries()
+		// Chrck for programs and libraries dependencies
+		errors, err := cmd.CheckDependencies(logger)
 		if err != nil {
 			return err
 		}
@@ -60,76 +45,14 @@ Create your first project by running 'wails init'.`
 			return err
 		}
 
-		logger.White("")
-
 		// Check for errors
-		var errors = libraryErrors || requiredProgramErrors
-		if !errors {
+		// CheckDependencies() returns !errors
+		// so to get the right message in this
+		// check we have to do it in reversed
+		if errors {
 			logger.Yellow(successMessage)
 		}
 
 		return err
 	})
 }
-
-func platformCheck() error {
-	switch runtime.GOOS {
-	case "darwin":
-		logger.Yellow("Detected Platform: OSX")
-	case "windows":
-		logger.Yellow("Detected Platform: Windows")
-	case "linux":
-		logger.Yellow("Detected Platform: Linux")
-	default:
-		return fmt.Errorf("Platform %s is currently not supported", runtime.GOOS)
-	}
-	return nil
-}
-
-func checkLibraries() (errors bool, err error) {
-	if runtime.GOOS == "linux" {
-		// Check library prerequisites
-		requiredLibraries, err := cmd.GetRequiredLibraries()
-		if err != nil {
-			return false, err
-		}
-		distroInfo := cmd.GetLinuxDistroInfo()
-		for _, library := range *requiredLibraries {
-			switch distroInfo.Distribution {
-			case cmd.Ubuntu, cmd.Zorin, cmd.Debian:
-				installed, err := cmd.DpkgInstalled(library.Name)
-				if err != nil {
-					return false, err
-				}
-				if !installed {
-					errors = true
-					logger.Red("Library '%s' not found. %s", library.Name, library.Help)
-				} else {
-					logger.Green("Library '%s' installed.", library.Name)
-				}
-			default:
-				return false, cmd.RequestSupportForDistribution(distroInfo, library.Name)
-			}
-		}
-	}
-	return false, nil
-}
-
-func checkRequiredPrograms() (errors bool, err error) {
-	requiredPrograms, err := cmd.GetRequiredPrograms()
-	if err != nil {
-		return true, err
-	}
-	errors = false
-	programHelper := cmd.NewProgramHelper()
-	for _, program := range *requiredPrograms {
-		bin := programHelper.FindProgram(program.Name)
-		if bin == nil {
-			errors = true
-			logger.Red("Program '%s' not found. %s", program.Name, program.Help)
-		} else {
-			logger.Green("Program '%s' found: %s", program.Name, bin.Path)
-		}
-	}
-	return
-}

cmd/wails/15_migrate.go

@@ -0,0 +1,408 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/Masterminds/semver"
+	"github.com/leaanthony/spinner"
+	"github.com/wailsapp/wails/cmd"
+)
+
+// Constants
+var checkSpinner = spinner.NewSpinner()
+var migrateProjectOptions = &cmd.ProjectOptions{}
+var migrateFS = cmd.NewFSHelper()
+var migrateGithub = cmd.NewGitHubHelper()
+var programHelper = cmd.NewProgramHelper()
+var lessThanV1 *semver.Constraints
+
+// The user's go.mod
+var goMod string
+var goModFile string
+
+// The user's main.js
+var mainJSFile string
+var mainJSContents string
+
+// Frontend directory
+var frontEndDir string
+
+func init() {
+
+	var dryrun bool
+	var err error
+
+	lessThanV1, err = semver.NewConstraint("< v1.0.0")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// var forceRebuild = false
+	checkSpinner.SetSpinSpeed(50)
+
+	commandDescription := `EXPERIMENTAL - This command attempts to migrate projects to the latest Wails version.`
+	updateCmd := app.Command("migrate", "Migrate projects to latest Wails release").
+		LongDescription(commandDescription).
+		BoolFlag("dryrun", "Only display what would be done", &dryrun)
+
+	updateCmd.Action(func() error {
+
+		message := "Migrate Project"
+		logger.PrintSmallBanner(message)
+		logger.Red("WARNING: This is an experimental command. Ensure you have backups of your project!")
+		logger.Red("It currently only supports npm based projects.")
+		fmt.Println()
+
+		// Check project directory
+		err := checkProjectDirectory()
+		if err != nil {
+			return err
+		}
+
+		// Find Wails version from go.mod
+		wailsVersion, err := getWailsVersion()
+		if err != nil {
+			return err
+		}
+
+		// Get latest stable version
+		var latestVersion *semver.Version
+		latestVersion, err = getLatestWailsVersion()
+		if err != nil {
+			return err
+		}
+
+		var canMigrate bool
+		canMigrate, err = canMigrateVersion(wailsVersion, latestVersion)
+		if err != nil {
+			return err
+		}
+
+		if !canMigrate {
+			return nil
+		}
+
+		// Check for wailsbridge
+		wailsBridge, err := checkWailsBridge()
+		if err != nil {
+			return err
+		}
+
+		// Is main.js using bridge.Init()
+		canUpdateMainJS, err := checkMainJS()
+		if err != nil {
+			return err
+		}
+
+		// TODO: Check if we are using legacy js runtime
+
+		// Operations
+		logger.Yellow("Operations to perform:")
+
+		logger.Yellowf("  - Update to Wails v%s\n", latestVersion)
+
+		if len(wailsBridge) > 0 {
+			logger.Yellow("  - Delete wailsbridge.js")
+		}
+
+		if canUpdateMainJS {
+			logger.Yellow("  - Patch main.js")
+		}
+
+		logger.Yellow("  - Ensure '@wailsapp/runtime` module is installed")
+
+		if dryrun {
+			logger.White("Exiting: Dry Run")
+			return nil
+		}
+
+		logger.Red("*WARNING* About to modify your project!")
+		logger.Red("Type 'YES' to continue: ")
+		scanner := bufio.NewScanner(os.Stdin)
+		scanner.Scan()
+		input := scanner.Text()
+		if input != "YES" {
+			logger.Red("ABORTED!")
+			return nil
+		}
+
+		logger.Yellow("Let's do this!")
+
+		err = updateWailsVersion(wailsVersion, latestVersion)
+		if err != nil {
+			return err
+		}
+
+		if len(wailsBridge) > 0 {
+			err = deleteWailsBridge(wailsBridge)
+			if err != nil {
+				return err
+			}
+		}
+
+		if canUpdateMainJS {
+			err = patchMainJS()
+			if err != nil {
+				return err
+			}
+		}
+
+		// Install runtime
+		err = installWailsRuntime()
+		if err != nil {
+			return err
+		}
+
+		fmt.Println()
+		logger.Yellow("Migration complete! Check project by running `wails build`.")
+		return nil
+	})
+}
+
+func checkProjectDirectory() error {
+	// Get versions
+	checkSpinner.Start("Check Project Directory")
+
+	// Check we are in project directory
+	err := migrateProjectOptions.LoadConfig(migrateFS.Cwd())
+	if err != nil {
+		checkSpinner.Error()
+		return fmt.Errorf("Unable to find 'project.json'. Please check you are in a Wails project directory")
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func getWailsVersion() (*semver.Version, error) {
+	checkSpinner.Start("Get Wails Version")
+	var result *semver.Version
+
+	// Load file
+	var err error
+	goModFile, err = filepath.Abs(filepath.Join(".", "go.mod"))
+	if err != nil {
+		checkSpinner.Error()
+		return nil, fmt.Errorf("Unable to load go.mod at %s", goModFile)
+	}
+	goMod, err = migrateFS.LoadAsString(goModFile)
+	if err != nil {
+		checkSpinner.Error()
+		return nil, fmt.Errorf("Unable to load go.mod")
+	}
+
+	// Find wails version
+	versionRegexp := regexp.MustCompile(`.*github.com/wailsapp/wails.*(v\d+.\d+.\d+)`)
+	versions := versionRegexp.FindStringSubmatch(goMod)
+
+	if len(versions) != 2 {
+		return nil, fmt.Errorf("Unable to determine Wails version")
+	}
+
+	version := versions[1]
+	result, err = semver.NewVersion(version)
+	if err != nil {
+		return nil, fmt.Errorf("Unable to parse Wails version: %s", version)
+	}
+	checkSpinner.Success("Found Wails Version: " + version)
+	return result, nil
+
+}
+
+func canMigrateVersion(wailsVersion *semver.Version, latestVersion *semver.Version) (bool, error) {
+	checkSpinner.Start("Checking ability to Migrate")
+
+	// Check if we are at the latest version!!!!
+	if wailsVersion.Equal(latestVersion) || wailsVersion.GreaterThan(latestVersion) {
+		checkSpinner.Errorf("Checking ability to Migrate: No! (v%s >= v%s)", wailsVersion, latestVersion)
+		return false, nil
+	}
+
+	// Check for < v1.0.0
+	if lessThanV1.Check(wailsVersion) {
+		checkSpinner.Successf("Checking ability to Migrate: Yes! (v%s < v1.0.0)", wailsVersion)
+		return true, nil
+	}
+	checkSpinner.Error("Unable to migrate")
+	return false, fmt.Errorf("No migration rules for version %s", wailsVersion)
+}
+
+func checkWailsBridge() (string, error) {
+	checkSpinner.Start("Checking if legacy Wails Bridge present")
+
+	// Check frontend dir is available
+	if migrateProjectOptions.FrontEnd == nil ||
+		len(migrateProjectOptions.FrontEnd.Dir) == 0 ||
+		!migrateFS.DirExists(migrateProjectOptions.FrontEnd.Dir) {
+		checkSpinner.Error("Unable to determine frontend directory")
+		return "", fmt.Errorf("Unable to determine frontend directory")
+	}
+
+	frontEndDir = migrateProjectOptions.FrontEnd.Dir
+
+	wailsBridgePath, err := filepath.Abs(filepath.Join(".", frontEndDir, "src", "wailsbridge.js"))
+	if err != nil {
+		checkSpinner.Error(err.Error())
+		return "", err
+	}
+
+	// If it doesn't exist, return blank string
+	if !migrateFS.FileExists(wailsBridgePath) {
+		checkSpinner.Success("Checking if legacy Wails Bridge present: No")
+		return "", nil
+	}
+
+	checkSpinner.Success("Checking if legacy Wails Bridge present: Yes")
+	return wailsBridgePath, nil
+
+}
+
+// This function determines if the main.js file using wailsbridge can be auto-updated
+func checkMainJS() (bool, error) {
+
+	checkSpinner.Start("Checking if main.js can be migrated")
+	var err error
+
+	// Check main.js is there
+	if migrateProjectOptions.FrontEnd == nil ||
+		len(migrateProjectOptions.FrontEnd.Dir) == 0 ||
+		!migrateFS.DirExists(migrateProjectOptions.FrontEnd.Dir) {
+		checkSpinner.Error("Unable to determine frontend directory")
+		return false, fmt.Errorf("Unable to determine frontend directory")
+	}
+
+	frontEndDir = migrateProjectOptions.FrontEnd.Dir
+
+	mainJSFile, err = filepath.Abs(filepath.Join(".", frontEndDir, "src", "main.js"))
+	if err != nil {
+		checkSpinner.Error("Unable to find main.js")
+		return false, err
+	}
+
+	mainJSContents, err = migrateFS.LoadAsString(mainJSFile)
+	if err != nil {
+		checkSpinner.Error("Unable to load main.js")
+		return false, err
+	}
+
+	// Check we have a line like: import Bridge from "./wailsbridge";
+	if strings.Index(mainJSContents, `import Bridge from "./wailsbridge";`) == -1 {
+		checkSpinner.Success("Checking if main.js can be migrated: No - Cannot find `import Bridge`")
+		return false, nil
+	}
+
+	// Check we have a line like: Bridge.Start(() => {
+	if strings.Index(mainJSContents, `Bridge.Start(`) == -1 {
+		checkSpinner.Success("Checking if main.js can be migrated: No - Cannot find `Bridge.Start`")
+		return false, nil
+	}
+	checkSpinner.Success("Checking if main.js can be migrated: Yes")
+	return true, nil
+}
+
+func getLatestWailsVersion() (*semver.Version, error) {
+	checkSpinner.Start("Checking GitHub for latest Wails version")
+	version, err := migrateGithub.GetLatestStableRelease()
+	if err != nil {
+		checkSpinner.Error("Checking GitHub for latest Wails version: Failed")
+		return nil, err
+	}
+
+	checkSpinner.Successf("Checking GitHub for latest Wails version: v%s", version)
+	return version.Version, nil
+}
+
+func updateWailsVersion(currentVersion, latestVersion *semver.Version) error {
+	// Patch go.mod
+	checkSpinner.Start("Patching go.mod")
+
+	wailsModule := "github.com/wailsapp/wails"
+	old := fmt.Sprintf("%s v%s", wailsModule, currentVersion)
+	new := fmt.Sprintf("%s v%s", wailsModule, latestVersion)
+
+	goMod = strings.Replace(goMod, old, new, -1)
+	err := ioutil.WriteFile(goModFile, []byte(goMod), 0600)
+	if err != nil {
+		checkSpinner.Error()
+		return err
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func deleteWailsBridge(bridgeFilename string) error {
+	// Patch go.mod
+	checkSpinner.Start("Delete legacy wailsbridge.js")
+
+	err := migrateFS.RemoveFile(bridgeFilename)
+	if err != nil {
+		checkSpinner.Error()
+		return err
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func patchMainJS() error {
+	// Patch main.js
+	checkSpinner.Start("Patching main.js")
+
+	// Patch import line
+	oldImportLine := `import Bridge from "./wailsbridge";`
+	newImportLine := `import * as Wails from "@wailsapp/runtime";`
+	mainJSContents = strings.Replace(mainJSContents, oldImportLine, newImportLine, -1)
+
+	// Patch Start line
+	oldStartLine := `Bridge.Start`
+	newStartLine := `Wails.Init`
+	mainJSContents = strings.Replace(mainJSContents, oldStartLine, newStartLine, -1)
+
+	err := ioutil.WriteFile(mainJSFile, []byte(mainJSContents), 0600)
+	if err != nil {
+		checkSpinner.Error()
+		return err
+	}
+
+	checkSpinner.Success()
+	return nil
+}
+
+func installWailsRuntime() error {
+
+	checkSpinner.Start("Installing @wailsapp/runtime module")
+
+	// Change to the frontend directory
+	err := os.Chdir(frontEndDir)
+	if err != nil {
+		checkSpinner.Error()
+		return nil
+	}
+
+	// Determine package manager
+	packageManager, err := migrateProjectOptions.GetNPMBinaryName()
+	if err != nil {
+		checkSpinner.Error()
+		return nil
+	}
+
+	switch packageManager {
+	case cmd.NPM:
+		// npm install --save @wailsapp/runtime
+		programHelper.InstallNPMPackage("@wailsapp/runtime", true)
+	default:
+		checkSpinner.Error()
+		return fmt.Errorf("Unknown package manager")
+	}
+
+	checkSpinner.Success()
+	return nil
+}

cmd/wails/9_issue.go

@@ -42,12 +42,65 @@ To help you in this process, we will ask for some information, add Go/Wails deta
 			gomodule = "(Not Set)"
 		}
 
+		// get version numbers for GCC, node & npm
+		program := cmd.NewProgramHelper()
+		// string helpers
+		var gccVersion, nodeVersion, npmVersion string
+
+		// choose between OS (mac,linux,win)
+		switch runtime.GOOS {
+		case "darwin":
+			gcc := program.FindProgram("gcc")
+			if gcc != nil {
+				stdout, _, _, _ := gcc.Run("-dumpversion")
+				gccVersion = strings.TrimSpace(stdout)
+			}
+		case "linux":
+			// for linux we have to collect
+			// the distribution name
+			distroInfo := cmd.GetLinuxDistroInfo()
+			linuxDB := cmd.NewLinuxDB()
+			distro := linuxDB.GetDistro(distroInfo.ID)
+			release := distro.GetRelease(distroInfo.Release)
+			gccVersionCommand := release.GccVersionCommand
+
+			gcc := program.FindProgram("gcc")
+			if gcc != nil {
+				stdout, _, _, _ := gcc.Run(gccVersionCommand)
+				gccVersion = strings.TrimSpace(stdout)
+			}
+		case "windows":
+			gcc := program.FindProgram("gcc")
+			if gcc != nil {
+				stdout, _, _, _ := gcc.Run("-dumpversion")
+				gccVersion = strings.TrimSpace(stdout)
+			}
+		}
+
+		npm := program.FindProgram("npm")
+		if npm != nil {
+			stdout, _, _, _ := npm.Run("--version")
+			npmVersion = stdout
+			npmVersion = npmVersion[:len(npmVersion)-1]
+			npmVersion = strings.TrimSpace(npmVersion)
+		}
+
+		node := program.FindProgram("node")
+		if node != nil {
+			stdout, _, _, _ := node.Run("--version")
+			nodeVersion = stdout
+			nodeVersion = nodeVersion[:len(nodeVersion)-1]
+		}
+
 		str.WriteString("\n| Name   | Value |\n| ----- | ----- |\n")
 		str.WriteString(fmt.Sprintf("| Wails Version | %s |\n", cmd.Version))
 		str.WriteString(fmt.Sprintf("| Go Version    | %s |\n", runtime.Version()))
 		str.WriteString(fmt.Sprintf("| Platform      | %s |\n", runtime.GOOS))
 		str.WriteString(fmt.Sprintf("| Arch          | %s |\n", runtime.GOARCH))
 		str.WriteString(fmt.Sprintf("| GO111MODULE   | %s |\n", gomodule))
+		str.WriteString(fmt.Sprintf("| GCC           | %s |\n", gccVersion))
+		str.WriteString(fmt.Sprintf("| Npm           | %s |\n", npmVersion))
+		str.WriteString(fmt.Sprintf("| Node          | %s |\n", nodeVersion))
 
 		fmt.Println()
 		fmt.Println("Processing template and preparing for upload.")

cmd/wails/main.go

@@ -1,6 +1,9 @@
 package main
 
 import (
+	"os"
+	"os/exec"
+
 	"github.com/wailsapp/wails/cmd"
 )
 
@@ -15,5 +18,9 @@ func main() {
 	err := app.Run()
 	if err != nil {
 		logger.Error(err.Error())
+		if exitErr, ok := err.(*exec.ExitError); ok {
+			os.Exit(exitErr.ExitCode())
+		}
+		os.Exit(1)
 	}
 }

cmd/windres.bat

@@ -0,0 +1 @@
+windres.exe -o %1 %2

config.go

@@ -1,6 +1,9 @@
 package wails
 
-import "github.com/leaanthony/mewn"
+import (
+	"github.com/leaanthony/mewn"
+	"github.com/wailsapp/wails/runtime"
+)
 
 // AppConfig is the configuration structure used when creating a Wails App object
 type AppConfig struct {
@@ -65,7 +68,7 @@ func (a *AppConfig) merge(in *AppConfig) error {
 		a.CSS = in.CSS
 	}
 	if in.Title != "" {
-		a.Title = in.Title
+		a.Title = runtime.ProcessEncoding(in.Title)
 	}
 
 	if in.Colour != "" {
@@ -91,12 +94,12 @@ func (a *AppConfig) merge(in *AppConfig) error {
 // Creates the default configuration
 func newConfig(userConfig *AppConfig) (*AppConfig, error) {
 	result := &AppConfig{
-		Width:     800,
-		Height:    600,
-		Resizable: true,
-		Title:     "My Wails App",
-		Colour:    "#FFF", // White by default
-		HTML:      mewn.String("./runtime/assets/default.html"),
+		Width:       800,
+		Height:      600,
+		Resizable:   true,
+		Title:       "My Wails App",
+		Colour:      "#FFF", // White by default
+		defaultHTML: mewn.String("./runtime/assets/default.html"),
 	}
 
 	if userConfig != nil {

go.mod

@@ -1,7 +1,8 @@
 module github.com/wailsapp/wails
 
 require (
-	github.com/Masterminds/semver v1.4.2 // indirect
+	github.com/Masterminds/semver v1.4.2
+	github.com/abadojack/whatlanggo v1.0.1
 	github.com/dchest/cssmin v0.0.0-20151210170030-fb8d9b44afdc // indirect
 	github.com/dchest/htmlmin v0.0.0-20150526090704-e254725e81ac
 	github.com/dchest/jsmin v0.0.0-20160823214000-faeced883947 // indirect
@@ -14,7 +15,6 @@ require (
 	github.com/leaanthony/mewn v0.10.7
 	github.com/leaanthony/slicer v1.3.2
 	github.com/leaanthony/spinner v0.5.3
-	github.com/masterminds/semver v1.4.2
 	github.com/mattn/go-colorable v0.1.1 // indirect
 	github.com/mattn/go-isatty v0.0.7 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
@@ -23,9 +23,11 @@ require (
 	github.com/pkg/errors v0.8.1 // indirect
 	github.com/sirupsen/logrus v1.4.1
 	github.com/stretchr/testify v1.3.0 // indirect
-	github.com/wailsapp/webview v0.2.7
+	github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba
 	golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 // indirect
 	golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 // indirect
 	golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862
+	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.sum

@@ -2,6 +2,8 @@ github.com/Masterminds/semver v1.4.2 h1:WBLTQ37jOCzSLtXNdoo8bNM8876KhNqOKvrlGITg
 github.com/Masterminds/semver v1.4.2/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
 github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8 h1:xzYJEypr/85nBpB11F9br+3HUrpgb+fcm5iADzXXYEw=
 github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8/go.mod h1:oX5x61PbNXchhh0oikYAH+4Pcfw5LKv21+Jnpr6r6Pc=
+github.com/abadojack/whatlanggo v1.0.1 h1:19N6YogDnf71CTHm3Mp2qhYfkRdyvbgwWdd2EPxJRG4=
+github.com/abadojack/whatlanggo v1.0.1/go.mod h1:66WiQbSbJBIlOZMsvbKe5m6pzQovxCH9B/K8tQB2uoc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -25,7 +27,6 @@ github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNU
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/kennygrant/sanitize v1.2.4 h1:gN25/otpP5vAsO2djbMhF/LQX6R7+O1TB4yv8NzpJ3o=
 github.com/kennygrant/sanitize v1.2.4/go.mod h1:LGsjYYtgxbetdg5owWB2mpgUL6e2nfw2eObZ0u0qvak=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.2 h1:DB17ag19krx9CFsz4o3enTrPXyIXCl+2iCXH/aMAp9s=
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -41,14 +42,10 @@ github.com/leaanthony/synx v0.1.0 h1:R0lmg2w6VMb8XcotOwAe5DLyzwjLrskNkwU7LLWsyL8
 github.com/leaanthony/synx v0.1.0/go.mod h1:Iz7eybeeG8bdq640iR+CwYb8p+9EOsgMWghkSRyZcqs=
 github.com/leaanthony/wincursor v0.1.0 h1:Dsyp68QcF5cCs65AMBmxoYNEm0n8K7mMchG6a8fYxf8=
 github.com/leaanthony/wincursor v0.1.0/go.mod h1:7TVwwrzSH/2Y9gLOGH+VhA+bZhoWXBRgbGNTMk+yimE=
-github.com/masterminds/semver v1.4.2 h1:BgrAYDjlAebjtOwS7C/1QZoh5WgyXx4b59ydc+Ph8xI=
-github.com/masterminds/semver v1.4.2/go.mod h1:s7KNT9fnd7edGzwwP7RBX4H0v/CYd5qdOLfkL1V75yg=
-github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.1 h1:G1f5SKeVxmagw/IyvzvtZE4Gybcc4Tr1tf7I8z0XgOg=
 github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
-github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc=
@@ -73,9 +70,9 @@ github.com/stretchr/testify v1.2.1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/zserge/webview v0.0.0-20190123072648-16c93bcaeaeb/go.mod h1:a1CV8KR4Dd1eP2g+mEijGOp+HKczwdKHWyx0aPHKvo4=
+github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba h1:2DHfQOxcpWdGf5q5IzCUFPNvRX9Icf+09RvQK2VnJq0=
+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 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 h1:iMGN4xG0cnqj3t+zOM8wUB0BiPKHEwSxEZCvzcbZuvk=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -84,14 +81,17 @@ golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 h1:6M3SDHlHHDCx2PcQw3S4KsR17
 golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20180606202747-9527bec2660b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb h1:pf3XwC90UUdNPYWZdFjhGBE7DUFuK3Ct1zWmZ65QN30=
 golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862 h1:rM0ROo5vb9AdYJi1110yjWGMej9ITfKddS89P3Fkhug=
 golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862/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=
 gopkg.in/AlecAivazis/survey.v1 v1.8.4/go.mod h1:iBNOmqKz/NUbZx3bA+4hAGLRC7fSK7tgtVDT4tB22XA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22 h1:0efs3hwEZhFKsCoP8l6dDB1AZWMgnEl3yWXWRZTOaEA=
+gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

lib/binding/manager.go

@@ -5,9 +5,9 @@ import (
 	"reflect"
 	"unicode"
 
+	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 	"github.com/wailsapp/wails/lib/messages"
-	"github.com/wailsapp/wails/lib/interfaces"
 )
 
 // Manager handles method binding
@@ -16,6 +16,7 @@ type Manager struct {
 	functions        map[string]*boundFunction
 	internalMethods  *internalMethods
 	initMethods      []*boundMethod
+	shutdownMethods  []*boundMethod
 	log              *logger.CustomLogger
 	renderer         interfaces.Renderer
 	runtime          interfaces.Runtime // The runtime object to pass to bound structs
@@ -127,6 +128,9 @@ func (b *Manager) bindMethod(object interface{}) error {
 		if newMethod.isWailsInit {
 			b.log.Debugf("Detected WailsInit function: %s", fullMethodName)
 			b.initMethods = append(b.initMethods, newMethod)
+		} else if newMethod.isWailsShutdown {
+			b.log.Debugf("Detected WailsShutdown function: %s", fullMethodName)
+			b.shutdownMethods = append(b.shutdownMethods, newMethod)
 		} else {
 			// Save boundMethod
 			b.log.Infof("Bound Method: %s()", fullMethodName)
@@ -195,7 +199,11 @@ func (b *Manager) processFunctionCall(callData *messages.CallData) (interface{},
 			return nil, errorResult.Interface().(error)
 		}
 	}
-	return result[0].Interface(), nil
+	// fmt.Printf("result = '%+v'\n", result)
+	if len(result) > 0 {
+		return result[0].Interface(), nil
+	}
+	return nil, nil
 }
 
 func (b *Manager) processMethodCall(callData *messages.CallData) (interface{}, error) {
@@ -288,3 +296,13 @@ func (b *Manager) callWailsInitMethods() error {
 	}
 	return nil
 }
+
+// Shutdown the binding manager
+func (b *Manager) Shutdown() {
+	b.log.Debug("Shutdown called")
+	for _, method := range b.shutdownMethods {
+		b.log.Debugf("Calling Shutdown for method: %s", method.fullName)
+		method.call("[]")
+	}
+	b.log.Debug("Shutdown complete")
+}

lib/binding/method.go

@@ -18,6 +18,7 @@ type boundMethod struct {
 	log                *logger.CustomLogger
 	hasErrorReturnType bool // Indicates if there is an error return type
 	isWailsInit        bool
+	isWailsShutdown    bool
 }
 
 // Creates a new bound method based on the given method + type
@@ -39,6 +40,11 @@ func newBoundMethod(name string, fullName string, method reflect.Value, objectTy
 		err = result.processWailsInit()
 	}
 
+	// Are we a WailsShutdown method?
+	if result.Name == "WailsShutdown" {
+		err = result.processWailsShutdown()
+	}
+
 	return result, err
 }
 
@@ -211,3 +217,20 @@ func (b *boundMethod) processWailsInit() error {
 
 	return nil
 }
+
+func (b *boundMethod) processWailsShutdown() error {
+	// We must have only 1 input, it must be *wails.Runtime
+	if len(b.inputs) != 0 {
+		return fmt.Errorf("Invalid WailsShutdown() definition. Expected 0 inputs, but got %d", len(b.inputs))
+	}
+
+	// We must have only 1 output, it must be error
+	if len(b.returnTypes) != 0 {
+		return fmt.Errorf("Invalid WailsShutdown() definition. Expected 0 return types, but got %d", len(b.returnTypes))
+	}
+
+	// We are indeed a wails Shutdown method
+	b.isWailsShutdown = true
+
+	return nil
+}

lib/event/manager.go

@@ -3,18 +3,21 @@ package event
 import (
 	"fmt"
 	"sync"
+	"time"
+
+	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 	"github.com/wailsapp/wails/lib/messages"
-	"github.com/wailsapp/wails/lib/interfaces"
 )
 
 // Manager handles and processes events
 type Manager struct {
 	incomingEvents chan *messages.EventData
 	listeners      map[string][]*eventListener
-	exit           bool
+	running        bool
 	log            *logger.CustomLogger
 	renderer       interfaces.Renderer // Messages will be dispatched to the frontend
+	wg             sync.WaitGroup
 }
 
 // NewManager creates a new event manager with a 100 event buffer
@@ -22,7 +25,7 @@ func NewManager() interfaces.EventManager {
 	return &Manager{
 		incomingEvents: make(chan *messages.EventData, 100),
 		listeners:      make(map[string][]*eventListener),
-		exit:           false,
+		running:        false,
 		log:            logger.NewCustomLogger("Events"),
 	}
 }
@@ -87,15 +90,14 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 	// Store renderer
 	e.renderer = renderer
 
-	// Set up waitgroup so we can wait for goroutine to start
-	var wg sync.WaitGroup
-	wg.Add(1)
+	// Set up waitgroup so we can wait for goroutine to quit
+	e.running = true
+	e.wg.Add(1)
 
 	// Run main loop in separate goroutine
 	go func() {
-		wg.Done()
 		e.log.Info("Listening")
-		for e.exit == false {
+		for e.running {
 			// TODO: Listen for application exit
 			select {
 			case event := <-e.incomingEvents:
@@ -139,14 +141,18 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 						}
 					}
 				}
+			default:
+				time.Sleep(1 * time.Millisecond)
 			}
 		}
+		e.wg.Done()
 	}()
-
-	// Wait for goroutine to start
-	wg.Wait()
 }
 
-func (e *Manager) stop() {
-	e.exit = true
+// Shutdown is called when exiting the Application
+func (e *Manager) Shutdown() {
+	e.log.Debug("Shutting Down")
+	e.running = false
+	e.log.Debug("Waiting for main loop to exit")
+	e.wg.Wait()
 }

lib/interfaces/bindingmanager.go

@@ -7,4 +7,5 @@ type BindingManager interface {
 	Bind(object interface{})
 	Start(renderer Renderer, runtime Runtime) error
 	ProcessCall(callData *messages.CallData) (result interface{}, err error)
+	Shutdown()
 }

lib/interfaces/eventmanager.go

@@ -8,4 +8,5 @@ type EventManager interface {
 	Emit(eventName string, optionalData ...interface{})
 	On(eventName string, callback func(...interface{}))
 	Start(Renderer)
+	Shutdown()
 }

lib/interfaces/ipcmanager.go

@@ -5,4 +5,5 @@ type IPCManager interface {
 	BindRenderer(Renderer)
 	Dispatch(message string)
 	Start(eventManager EventManager, bindingManager BindingManager)
+	Shutdown()
 }

lib/interfaces/renderer.go

@@ -3,10 +3,12 @@ package interfaces
 import (
 	"github.com/wailsapp/wails/lib/messages"
 )
+
 // Renderer is an interface describing a Wails target to render the app to
 type Renderer interface {
 	Initialise(AppConfig, IPCManager, EventManager) error
 	Run() error
+	EnableDebug()
 
 	// Binding
 	NewBinding(bindingName string) error

lib/ipc/manager.go

@@ -2,6 +2,8 @@ package ipc
 
 import (
 	"fmt"
+	"sync"
+	"time"
 
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
@@ -12,18 +14,20 @@ import (
 type Manager struct {
 	renderer     interfaces.Renderer // The renderer
 	messageQueue chan *ipcMessage
-	// quitChannel  chan struct{}
+	quitChannel  chan struct{}
 	// signals      chan os.Signal
 	log            *logger.CustomLogger
 	eventManager   interfaces.EventManager
 	bindingManager interfaces.BindingManager
+	running        bool
+	wg             sync.WaitGroup
 }
 
 // NewManager creates a new IPC Manager
 func NewManager() interfaces.IPCManager {
 	result := &Manager{
 		messageQueue: make(chan *ipcMessage, 100),
-		// 		quitChannel:  make(chan struct{}),
+		quitChannel:  make(chan struct{}),
 		// 		signals:      make(chan os.Signal, 1),
 		log: logger.NewCustomLogger("IPC"),
 	}
@@ -44,9 +48,12 @@ func (i *Manager) Start(eventManager interfaces.EventManager, bindingManager int
 
 	i.log.Info("Starting")
 	// signal.Notify(manager.signals, os.Interrupt)
+	i.running = true
+
+	// Keep track of this goroutine
+	i.wg.Add(1)
 	go func() {
-		running := true
-		for running {
+		for i.running {
 			select {
 			case incomingMessage := <-i.messageQueue:
 				i.log.DebugFields("Processing message", logger.Fields{
@@ -117,15 +124,12 @@ func (i *Manager) Start(eventManager interfaces.EventManager, bindingManager int
 				i.log.DebugFields("Finished processing message", logger.Fields{
 					"1D": &incomingMessage,
 				})
-				// 			case <-manager.quitChannel:
-				// 				Debug("[MessageQueue] Quit caught")
-				// 				running = false
-				// 			case <-manager.signals:
-				// 				Debug("[MessageQueue] Signal caught")
-				// 				running = false
+			default:
+				time.Sleep(1 * time.Millisecond)
 			}
 		}
 		i.log.Debug("Stopping")
+		i.wg.Done()
 	}()
 }
 
@@ -167,3 +171,11 @@ func (i *Manager) SendResponse(response *ipcResponse) error {
 	// Call back to the front end
 	return i.renderer.Callback(data)
 }
+
+// Shutdown is called when exiting the Application
+func (i *Manager) Shutdown() {
+	i.log.Debug("Shutdown called")
+	i.running = false
+	i.log.Debug("Waiting of main loop shutdown")
+	i.wg.Wait()
+}

lib/renderer/bridge.go

@@ -48,6 +48,9 @@ type Bridge struct {
 
 	// Mutex for writing to the socket
 	lock sync.Mutex
+
+	// debug
+	debug bool
 }
 
 // Initialise the Bridge Renderer
@@ -74,6 +77,11 @@ func (h *Bridge) evalJS(js string, mtype messageType) error {
 	return nil
 }
 
+// EnableDebug enables debug!
+func (h *Bridge) EnableDebug() {
+	h.debug = true
+}
+
 func (h *Bridge) injectCSS(css string) {
 	// Minify css to overcome issues in the browser with carriage returns
 	minified, err := htmlmin.Minify([]byte(css), &htmlmin.Options{
@@ -117,7 +125,6 @@ func (h *Bridge) sendMessage(conn *websocket.Conn, msg string) {
 
 func (h *Bridge) start(conn *websocket.Conn) {
 
-	// set external.invoke
 	h.log.Infof("Connected to frontend.")
 
 	wailsRuntime := mewn.String("../../runtime/assets/wails.js")
@@ -156,7 +163,7 @@ func (h *Bridge) Run() error {
 	h.log.Info("The frontend will connect automatically.")
 
 	err := h.server.ListenAndServe()
-	if err != nil {
+	if err != nil && err != http.ErrServerClosed {
 		h.log.Fatal(err.Error())
 	}
 	return err
@@ -250,5 +257,9 @@ func (h *Bridge) SetTitle(title string) {
 // Close is unsupported for Bridge but required
 // for the Renderer interface
 func (h *Bridge) Close() {
-	h.log.Warn("Close() unsupported in bridge mode")
+	h.log.Debug("Shutting down")
+	err := h.server.Close()
+	if err != nil {
+		h.log.Errorf(err.Error())
+	}
 }

lib/renderer/webview.go

@@ -13,18 +13,19 @@ import (
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 	"github.com/wailsapp/wails/lib/messages"
-	"github.com/wailsapp/webview"
+	wv "github.com/wailsapp/wails/lib/renderer/webview"
 )
 
 // WebView defines the main webview application window
 // Default values in []
 type WebView struct {
-	window       webview.WebView // The webview object
+	window       wv.WebView // The webview object
 	ipc          interfaces.IPCManager
 	log          *logger.CustomLogger
 	config       interfaces.AppConfig
 	eventManager interfaces.EventManager
 	bindingCache []string
+	debug        bool
 }
 
 // NewWebView returns a new WebView struct
@@ -48,15 +49,24 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 	// Save the config
 	w.config = config
 
+	// defaulthtml
+	HTML := config.GetDefaultHTML()
+	if len(HTML) == 0 {
+		HTML = mewn.String("../../runtime/assets/default.html")
+	}
+
+	HTML = fmt.Sprintf("data:text/html,%s", HTML)
+	fmt.Printf("*** %s ***", HTML)
+	w.log.Infof("URL: %s", HTML)
 	// Create the WebView instance
-	w.window = webview.NewWebview(webview.Settings{
+	w.window = wv.NewWebview(wv.Settings{
 		Width:     config.GetWidth(),
 		Height:    config.GetHeight(),
 		Title:     config.GetTitle(),
 		Resizable: config.GetResizable(),
-		URL:       config.GetDefaultHTML(),
+		URL:       HTML,
 		Debug:     !config.GetDisableInspector(),
-		ExternalInvokeCallback: func(_ webview.WebView, message string) {
+		ExternalInvokeCallback: func(_ wv.WebView, message string) {
 			w.ipc.Dispatch(message)
 		},
 	})
@@ -95,6 +105,7 @@ func (w *WebView) evalJS(js string) error {
 	if len(js) > 45 {
 		outputJS += "..."
 	}
+	// var outputJS = js
 	w.log.DebugFields("Eval", logger.Fields{"js": outputJS})
 	//
 	w.window.Dispatch(func() {
@@ -103,6 +114,11 @@ func (w *WebView) evalJS(js string) error {
 	return nil
 }
 
+// EnableDebug enables debug!
+func (w *WebView) EnableDebug() {
+	w.debug = true
+}
+
 // Escape the Javascripts!
 func escapeJS(js string) (string, error) {
 	result := strings.Replace(js, "\\", "\\\\", -1)
@@ -170,57 +186,60 @@ func (w *WebView) Exit() {
 // Run the window main loop
 func (w *WebView) Run() error {
 
-	w.log.Info("Run()")
+	w.log.Info("Running...")
 
-	// Runtime assets
-	wailsRuntime := mewn.String("../../runtime/assets/wails.js")
-	w.log.Info("1")
+	// Inject firebug in debug mode on Windows
+	if w.debug {
+		w.log.Debug("Injecting firebug")
+		// firebugLite := mewn.String("../../runtime/assets/injectFirebug.js")
+		// w.evalJS(firebugLite)
+	}
 
-	w.evalJS(wailsRuntime)
+	// // Runtime assets
+	// wailsRuntime := mewn.String("../../runtime/assets/wails.js")
+	// w.evalJS(wailsRuntime)
 
-	w.log.Info("2")
+	// // Ping the wait channel when the wails runtime is loaded
+	// w.eventManager.On("wails:loaded", func(...interface{}) {
 
-	// Ping the wait channel when the wails runtime is loaded
-	w.eventManager.On("wails:loaded", func(...interface{}) {
+	// 	// Run this in a different go routine to free up the main process
+	// 	go func() {
 
-		// Run this in a different go routine to free up the main process
-		go func() {
+	// 		// Inject Bindings
+	// 		for _, binding := range w.bindingCache {
+	// 			w.evalJSSync(binding)
+	// 		}
 
-			// Inject Bindings
-			for _, binding := range w.bindingCache {
-				w.evalJSSync(binding)
-			}
+	// 		// Inject user CSS
+	// 		if w.config.GetCSS() != "" {
+	// 			outputCSS := fmt.Sprintf("%.45s", w.config.GetCSS())
+	// 			if len(outputCSS) > 45 {
+	// 				outputCSS += "..."
+	// 			}
+	// 			w.log.DebugFields("Inject User CSS", logger.Fields{"css": outputCSS})
+	// 			w.injectCSS(w.config.GetCSS())
+	// 		} else {
+	// 			// Use default wails css
+	// 			w.log.Debug("Injecting Default Wails CSS")
+	// 			defaultCSS := mewn.String("../../runtime/assets/wails.css")
 
-			// Inject user CSS
-			if w.config.GetCSS() != "" {
-				outputCSS := fmt.Sprintf("%.45s", w.config.GetCSS())
-				if len(outputCSS) > 45 {
-					outputCSS += "..."
-				}
-				w.log.DebugFields("Inject User CSS", logger.Fields{"css": outputCSS})
-				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.injectCSS(defaultCSS)
+	// 		}
 
-				w.injectCSS(defaultCSS)
-			}
+	// 		// Inject user JS
+	// 		if w.config.GetJS() != "" {
+	// 			outputJS := fmt.Sprintf("%.45s", w.config.GetJS())
+	// 			if len(outputJS) > 45 {
+	// 				outputJS += "..."
+	// 			}
+	// 			w.log.DebugFields("Inject User JS", logger.Fields{"js": outputJS})
+	// 			w.evalJSSync(w.config.GetJS())
+	// 		}
 
-			// Inject user JS
-			if w.config.GetJS() != "" {
-				outputJS := fmt.Sprintf("%.45s", w.config.GetJS())
-				if len(outputJS) > 45 {
-					outputJS += "..."
-				}
-				w.log.DebugFields("Inject User JS", logger.Fields{"js": outputJS})
-				w.evalJSSync(w.config.GetJS())
-			}
-
-			// Emit that everything is loaded and ready
-			w.eventManager.Emit("wails:ready")
-		}()
-	})
+	// 		// Emit that everything is loaded and ready
+	// 		w.eventManager.Emit("wails:ready")
+	// 	}()
+	// })
 
 	// Kick off main window loop
 	w.window.Run()
@@ -246,7 +265,7 @@ func (w *WebView) SelectFile() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(webview.DialogTypeOpen, 0, "Select File", "")
+			result = w.window.Dialog(wv.DialogTypeOpen, 0, "Select File", "")
 			wg.Done()
 		})
 	}()
@@ -264,7 +283,7 @@ func (w *WebView) SelectDirectory() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(webview.DialogTypeOpen, webview.DialogFlagDirectory, "Select Directory", "")
+			result = w.window.Dialog(wv.DialogTypeOpen, wv.DialogFlagDirectory, "Select Directory", "")
 			wg.Done()
 		})
 	}()
@@ -282,7 +301,7 @@ func (w *WebView) SelectSaveFile() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(webview.DialogTypeSave, 0, "Save file", "")
+			result = w.window.Dialog(wv.DialogTypeSave, 0, "Save file", "")
 			wg.Done()
 		})
 	}()

lib/renderer/webview/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Serge Zaitsev
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

lib/renderer/webview/webview.go

@@ -0,0 +1,371 @@
+// Package webview implements Go bindings to https://github.com/zserge/webview C library.
+// It is a modified version of webview.go from that repository
+// Bindings closely repeat the C APIs and include both, a simplified
+// single-function API to just open a full-screen webview window, and a more
+// advanced and featureful set of APIs, including Go-to-JavaScript bindings.
+//
+// The library uses gtk-webkit, Cocoa/Webkit and MSHTML (IE8..11) as a browser
+// engine and supports Linux, MacOS and Windows 7..10 respectively.
+//
+package webview
+
+/*
+#cgo linux openbsd freebsd CFLAGS: -DWEBVIEW_GTK=1 -Wno-deprecated-declarations
+#cgo linux openbsd freebsd pkg-config: gtk+-3.0 webkit2gtk-4.0
+
+#cgo windows CFLAGS: -DWEBVIEW_WINAPI=1 -std=c99 -DUNICODE=1 -D_UNICODE=1
+#cgo windows LDFLAGS: -lole32 -lcomctl32 -loleaut32 -luuid -lgdi32
+
+#cgo darwin CFLAGS: -DWEBVIEW_COCOA=1 -x objective-c
+#cgo darwin LDFLAGS: -framework Cocoa -framework WebKit
+
+#include <stdlib.h>
+#include <stdint.h>
+#define WEBVIEW_STATIC
+#define WEBVIEW_IMPLEMENTATION
+#include "webview.h"
+
+extern void _webviewExternalInvokeCallback(void *, void *);
+
+static inline void CgoWebViewFree(void *w) {
+	free((void *)((struct webview *)w)->title);
+	free((void *)((struct webview *)w)->url);
+	free(w);
+}
+
+static inline void *CgoWebViewCreate(int width, int height, char *title, char *url, int resizable, int debug) {
+	struct webview *w = (struct webview *) calloc(1, sizeof(*w));
+	w->width = width;
+	w->height = height;
+	w->title = title;
+	w->url = url;
+	w->resizable = resizable;
+	w->debug = debug;
+	w->external_invoke_cb = (webview_external_invoke_cb_t) _webviewExternalInvokeCallback;
+	if (webview_init(w) != 0) {
+		CgoWebViewFree(w);
+		return NULL;
+	}
+	return (void *)w;
+}
+
+static inline int CgoWebViewLoop(void *w, int blocking) {
+	return webview_loop((struct webview *)w, blocking);
+}
+
+static inline void CgoWebViewTerminate(void *w) {
+	webview_terminate((struct webview *)w);
+}
+
+static inline void CgoWebViewExit(void *w) {
+	webview_exit((struct webview *)w);
+}
+
+static inline void CgoWebViewSetTitle(void *w, char *title) {
+	webview_set_title((struct webview *)w, title);
+}
+
+static inline void CgoWebViewSetFullscreen(void *w, int fullscreen) {
+	webview_set_fullscreen((struct webview *)w, fullscreen);
+}
+
+static inline void CgoWebViewSetColor(void *w, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
+	webview_set_color((struct webview *)w, r, g, b, a);
+}
+
+static inline void CgoDialog(void *w, int dlgtype, int flags,
+		char *title, char *arg, char *res, size_t ressz) {
+	webview_dialog(w, dlgtype, flags,
+		(const char*)title, (const char*) arg, res, ressz);
+}
+
+static inline int CgoWebViewEval(void *w, char *js) {
+	return webview_eval((struct webview *)w, js);
+}
+
+static inline void CgoWebViewInjectCSS(void *w, char *css) {
+	webview_inject_css((struct webview *)w, css);
+}
+
+extern void _webviewDispatchGoCallback(void *);
+static inline void _webview_dispatch_cb(struct webview *w, void *arg) {
+	_webviewDispatchGoCallback(arg);
+}
+static inline void CgoWebViewDispatch(void *w, uintptr_t arg) {
+	webview_dispatch((struct webview *)w, _webview_dispatch_cb, (void *)arg);
+}
+*/
+import "C"
+import (
+	"errors"
+	"runtime"
+	"sync"
+	"unsafe"
+)
+
+func init() {
+	// Ensure that main.main is called from the main thread
+	runtime.LockOSThread()
+}
+
+// Open is a simplified API to open a single native window with a full-size webview in
+// it. It can be helpful if you want to communicate with the core app using XHR
+// or WebSockets (as opposed to using JavaScript bindings).
+//
+// Window appearance can be customized using title, width, height and resizable parameters.
+// URL must be provided and can user either a http or https protocol, or be a
+// local file:// URL. On some platforms "data:" URLs are also supported
+// (Linux/MacOS).
+func Open(title, url string, w, h int, resizable bool) error {
+	titleStr := C.CString(title)
+	defer C.free(unsafe.Pointer(titleStr))
+	urlStr := C.CString(url)
+	defer C.free(unsafe.Pointer(urlStr))
+	resize := C.int(0)
+	if resizable {
+		resize = C.int(1)
+	}
+
+	r := C.webview(titleStr, urlStr, C.int(w), C.int(h), resize)
+	if r != 0 {
+		return errors.New("failed to create webview")
+	}
+	return nil
+}
+
+// ExternalInvokeCallbackFunc is a function type that is called every time
+// "window.external.invoke()" is called from JavaScript. Data is the only
+// obligatory string parameter passed into the "invoke(data)" function from
+// JavaScript. To pass more complex data serialized JSON or base64 encoded
+// string can be used.
+type ExternalInvokeCallbackFunc func(w WebView, data string)
+
+// Settings is a set of parameters to customize the initial WebView appearance
+// and behavior. It is passed into the webview.New() constructor.
+type Settings struct {
+	// WebView main window title
+	Title string
+	// URL to open in a webview
+	URL string
+	// Window width in pixels
+	Width int
+	// Window height in pixels
+	Height int
+	// Allows/disallows window resizing
+	Resizable bool
+	// Enable debugging tools (Linux/BSD/MacOS, on Windows use Firebug)
+	Debug bool
+	// A callback that is executed when JavaScript calls "window.external.invoke()"
+	ExternalInvokeCallback ExternalInvokeCallbackFunc
+}
+
+// WebView is an interface that wraps the basic methods for controlling the UI
+// loop, handling multithreading and providing JavaScript bindings.
+type WebView interface {
+	// Run() starts the main UI loop until the user closes the webview window or
+	// Terminate() is called.
+	Run()
+	// Loop() runs a single iteration of the main UI.
+	Loop(blocking bool) bool
+	// SetTitle() changes window title. This method must be called from the main
+	// thread only. See Dispatch() for more details.
+	SetTitle(title string)
+	// SetFullscreen() controls window full-screen mode. This method must be
+	// called from the main thread only. See Dispatch() for more details.
+	SetFullscreen(fullscreen bool)
+	// SetColor() changes window background color. This method must be called from
+	// the main thread only. See Dispatch() for more details.
+	SetColor(r, g, b, a uint8)
+	// Eval() evaluates an arbitrary JS code inside the webview. This method must
+	// be called from the main thread only. See Dispatch() for more details.
+	Eval(js string) error
+	// InjectJS() injects an arbitrary block of CSS code using the JS API. This
+	// method must be called from the main thread only. See Dispatch() for more
+	// details.
+	InjectCSS(css string)
+	// Dialog() opens a system dialog of the given type and title. String
+	// argument can be provided for certain dialogs, such as alert boxes. For
+	// alert boxes argument is a message inside the dialog box.
+	Dialog(dlgType DialogType, flags int, title string, arg string) string
+	// Terminate() breaks the main UI loop. This method must be called from the main thread
+	// only. See Dispatch() for more details.
+	Terminate()
+	// Dispatch() schedules some arbitrary function to be executed on the main UI
+	// thread. This may be helpful if you want to run some JavaScript from
+	// background threads/goroutines, or to terminate the app.
+	Dispatch(func())
+	// Exit() closes the window and cleans up the resources. Use Terminate() to
+	// forcefully break out of the main UI loop.
+	Exit()
+}
+
+// DialogType is an enumeration of all supported system dialog types
+type DialogType int
+
+const (
+	// DialogTypeOpen is a system file open dialog
+	DialogTypeOpen DialogType = iota
+	// DialogTypeSave is a system file save dialog
+	DialogTypeSave
+	// DialogTypeAlert is a system alert dialog (message box)
+	DialogTypeAlert
+)
+
+const (
+	// DialogFlagFile is a normal file picker dialog
+	DialogFlagFile = C.WEBVIEW_DIALOG_FLAG_FILE
+	// DialogFlagDirectory is an open directory dialog
+	DialogFlagDirectory = C.WEBVIEW_DIALOG_FLAG_DIRECTORY
+	// DialogFlagInfo is an info alert dialog
+	DialogFlagInfo = C.WEBVIEW_DIALOG_FLAG_INFO
+	// DialogFlagWarning is a warning alert dialog
+	DialogFlagWarning = C.WEBVIEW_DIALOG_FLAG_WARNING
+	// DialogFlagError is an error dialog
+	DialogFlagError = C.WEBVIEW_DIALOG_FLAG_ERROR
+)
+
+var (
+	m     sync.Mutex
+	index uintptr
+	fns   = map[uintptr]func(){}
+	cbs   = map[WebView]ExternalInvokeCallbackFunc{}
+)
+
+type webview struct {
+	w unsafe.Pointer
+}
+
+var _ WebView = &webview{}
+
+func boolToInt(b bool) int {
+	if b {
+		return 1
+	}
+	return 0
+}
+
+// NewWebview creates and opens a new webview window using the given settings. The
+// returned object implements the WebView interface. This function returns nil
+// if a window can not be created.
+func NewWebview(settings Settings) WebView {
+	if settings.Width == 0 {
+		settings.Width = 640
+	}
+	if settings.Height == 0 {
+		settings.Height = 480
+	}
+	if settings.Title == "" {
+		settings.Title = "WebView"
+	}
+	w := &webview{}
+	w.w = C.CgoWebViewCreate(C.int(settings.Width), C.int(settings.Height),
+		C.CString(settings.Title), C.CString(settings.URL),
+		C.int(boolToInt(settings.Resizable)), C.int(boolToInt(settings.Debug)))
+	m.Lock()
+	if settings.ExternalInvokeCallback != nil {
+		cbs[w] = settings.ExternalInvokeCallback
+	} else {
+		cbs[w] = func(w WebView, data string) {}
+	}
+	m.Unlock()
+	return w
+}
+
+func (w *webview) Loop(blocking bool) bool {
+	block := C.int(0)
+	if blocking {
+		block = 1
+	}
+	return C.CgoWebViewLoop(w.w, block) == 0
+}
+
+func (w *webview) Run() {
+	for w.Loop(true) {
+	}
+}
+
+func (w *webview) Exit() {
+	C.CgoWebViewExit(w.w)
+}
+
+func (w *webview) Dispatch(f func()) {
+	m.Lock()
+	for ; fns[index] != nil; index++ {
+	}
+	fns[index] = f
+	m.Unlock()
+	C.CgoWebViewDispatch(w.w, C.uintptr_t(index))
+}
+
+func (w *webview) SetTitle(title string) {
+	p := C.CString(title)
+	defer C.free(unsafe.Pointer(p))
+	C.CgoWebViewSetTitle(w.w, p)
+}
+
+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) SetFullscreen(fullscreen bool) {
+	C.CgoWebViewSetFullscreen(w.w, C.int(boolToInt(fullscreen)))
+}
+
+func (w *webview) Dialog(dlgType DialogType, flags int, title string, arg string) string {
+	const maxPath = 4096
+	titlePtr := C.CString(title)
+	defer C.free(unsafe.Pointer(titlePtr))
+	argPtr := C.CString(arg)
+	defer C.free(unsafe.Pointer(argPtr))
+	resultPtr := (*C.char)(C.calloc((C.size_t)(unsafe.Sizeof((*C.char)(nil))), (C.size_t)(maxPath)))
+	defer C.free(unsafe.Pointer(resultPtr))
+	C.CgoDialog(w.w, C.int(dlgType), C.int(flags), titlePtr,
+		argPtr, resultPtr, C.size_t(maxPath))
+	return C.GoString(resultPtr)
+}
+
+func (w *webview) Eval(js string) error {
+	p := C.CString(js)
+	defer C.free(unsafe.Pointer(p))
+	switch C.CgoWebViewEval(w.w, p) {
+	case -1:
+		return errors.New("evaluation failed")
+	}
+	return nil
+}
+
+func (w *webview) InjectCSS(css string) {
+	p := C.CString(css)
+	defer C.free(unsafe.Pointer(p))
+	C.CgoWebViewInjectCSS(w.w, p)
+}
+
+func (w *webview) Terminate() {
+	C.CgoWebViewTerminate(w.w)
+}
+
+//export _webviewDispatchGoCallback
+func _webviewDispatchGoCallback(index unsafe.Pointer) {
+	var f func()
+	m.Lock()
+	f = fns[uintptr(index)]
+	delete(fns, uintptr(index))
+	m.Unlock()
+	f()
+}
+
+//export _webviewExternalInvokeCallback
+func _webviewExternalInvokeCallback(w unsafe.Pointer, data unsafe.Pointer) {
+	m.Lock()
+	var (
+		cb ExternalInvokeCallbackFunc
+		wv WebView
+	)
+	for wv, cb = range cbs {
+		if wv.(*webview).w == w {
+			break
+		}
+	}
+	m.Unlock()
+	cb(wv, C.GoString((*C.char)(data)))
+}

runtime/assets/bridge.js

@@ -95,13 +95,6 @@ function startBridge() {
 		window.wailsbridge.reconnectOverlay.style.display = 'none';
 	}
 
-	// Bridge external.invoke
-	window.external = {
-		invoke: function (msg) {
-			window.wailsbridge.websocket.send(msg);
-		}
-	};
-
 	// Adds a script to the Dom.
 	// Removes it if second parameter is true.
 	function addScript(script, remove) {
@@ -211,7 +204,12 @@ function start(callback) {
 }
 
 function Init(callback) {
+	// Bridge window.invoke
+	window.invoke = function (message) {
+		window.wailsbridge.websocket.send(message);
+	}
+	
 	start(callback);
 }
 
-module.exports = { Init };
+module.exports = Init;

runtime/assets/default.html

@@ -1,18 +1 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-  <meta charset="utf-8">
-  <meta http-equiv="X-UA-Compatible" content="IE=edge">
-</head>
-
-<body>
-  <div id="app"></div>
-  <script type="text/javascript">function AddScript(js, callbackID) {
-      var script = document.createElement('script');
-      script.text = js;
-      document.body.appendChild(script);
-    }</script>
-</body>
-
-</html>
+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><script src="https://raw.githubusercontent.com/firebug/firebug-lite/master/build/firebug-lite-debug.js#startOpened=true"></script></head><body><div id="app"></div><script type="text/javascript">function AddScript(js, callbackID){var script = document.createElement('script');script.text=js;document.body.appendChild(script);}</script></body></html>

runtime/assets/injectFirebug.js

@@ -0,0 +1 @@
+(function(){console.log=function(message){document.body.innerHTML=document.body.innerHTML+'<p>'+message+'</p>';};var script=document.createElement('script');script.src="https://raw.githubusercontent.com/firebug/firebug-lite/master/build/firebug-lite-debug.js#startOpened=true";document.body.appendChild(script);})();

runtime/js/.eslintrc

@@ -15,10 +15,7 @@
             "error",
             "tab"
         ],
-        "linebreak-style": [
-            "error",
-            "unix"
-        ],
+        "linebreak-style": 0,
         "quotes": [
             "error",
             "single"

runtime/js/babel.config.js

@@ -7,7 +7,7 @@ module.exports = function (api) {
     [
       "@babel/preset-env",
       {
-        "useBuiltIns": "entry",
+        "useBuiltIns": "usage",
         "corejs": {
           "version": 3,
           "proposals": true
@@ -16,7 +16,10 @@ module.exports = function (api) {
     ]
   ];
 
+  const plugins = ["@babel/plugin-transform-object-assign", "transform-es2015-shorthand-properties"]
+
   return {
     presets,
+    plugins
   };
 }

runtime/js/bridge/webpack.config.js

@@ -0,0 +1,37 @@
+/* eslint-disable */
+
+const path = require('path');
+
+module.exports = {
+  entry: './bridge.js',
+  mode: 'production',
+  output: {
+    path: path.resolve(__dirname, '..', 'assets'),
+    filename: 'bridge.js',
+    libraryTarget: 'this'
+  },
+  module: {
+    rules: [
+      {
+        test: /\.m?js$/,
+        exclude: /(node_modules|bower_components)/,
+        use: {
+          loader: 'babel-loader',
+          options: {
+            plugins: [],
+            presets: [
+              [
+                '@babel/preset-env',
+                {
+                  'useBuiltIns': 'usage',
+                  'corejs': 3,
+                  'targets': { "browsers": ["last 2 versions", "ie >= 9"] }
+                }
+              ]
+            ]
+          }
+        }
+      }
+    ]
+  }
+};

runtime/js/core/bindings.js

@@ -46,13 +46,15 @@ export function NewBinding(bindingName) {
 	// Check if we have a path (IE Struct)
 	if (bindingSections.length > 1) {
 		// Iterate over binding sections, adding them to the window.backend object
-		for (let index = 0; index < bindingSections.length - 1; index += 1) {
+		for (let index = 0; index < bindingSections.length-1; index += 1) {
 			const name = bindingSections[index];
 			// Is name a valid javascript identifier?
 			if (!isValidIdentifier(name)) {
 				return new Error(`${name} is not a valid javascript identifier.`);
 			}
-			pathToBinding[name] = {};
+			if (!pathToBinding[name]) {
+				pathToBinding[name] = {};
+			}
 			pathToBinding = pathToBinding[name];
 		}
 	}

runtime/js/core/ipc.js

@@ -15,7 +15,11 @@ The lightweight framework for web-like apps
  * @param {string} message
  */
 function Invoke(message) {
-	window.external.invoke(message);
+	if ( window.wailsbridge ) {
+		window.wailsbridge.websocket.send(message);
+	} else {
+		window.external.invoke(message);
+	}
 }
 
 /**

runtime/js/core/main.js

@@ -10,7 +10,7 @@ The lightweight framework for web-like apps
 /* jshint esversion: 6 */
 import * as Log from './log';
 import * as Browser from './browser';
-import { On, Emit, Notify, Heartbeat, Acknowledge } from './events';
+import { On, OnMultiple, Emit, Notify, Heartbeat, Acknowledge } from './events';
 import { NewBinding } from './bindings';
 import { Callback } from './calls';
 import { AddScript, InjectCSS } from './utils';
@@ -35,6 +35,7 @@ var runtime = {
 	Browser,
 	Events: {
 		On,
+		OnMultiple,
 		Emit,
 		Heartbeat,
 		Acknowledge,

runtime/js/package.json

@@ -4,8 +4,8 @@
   "description": "The Javascript Wails Runtime",
   "main": "index.js",
   "scripts": {
-    "build": "eslint core/ && npm run build:prod",
-    "build:prod": "webpack --env prod --colors",
+    "build": "./node_modules/.bin/eslint core/ && npm run build:prod",
+    "build:prod": "./node_modules/.bin/webpack --env prod --colors",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -33,11 +33,15 @@
     "@babel/core": "^7.5.4",
     "@babel/plugin-transform-object-assign": "^7.2.0",
     "@babel/preset-env": "^7.5.4",
+    "babel-core": "^6.26.3",
     "babel-loader": "^8.0.6",
+    "babel-plugin-transform-es2015-shorthand-properties": "^6.24.1",
+    "babel-preset-es2015": "^6.24.1",
     "babel-preset-minify": "^0.5.0",
     "core-js": "^3.1.4",
-    "eslint": "^6.0.1",
-    "webpack": "^4.35.3",
+    "eslint": "^6.5.1",
+    "webpack": "^4.41.2",
     "webpack-cli": "^3.3.5"
-  }
-}
+  },
+  "dependencies": {}
+}

runtime/js/runtime/browser.js

@@ -32,6 +32,6 @@ function OpenFile(filename) {
 }
 
 module.exports = {
-	OpenURL,
-	OpenFile
+	OpenURL: OpenURL,
+	OpenFile: OpenFile
 };

runtime/js/runtime/events.js

@@ -61,9 +61,9 @@ function Emit(eventName) {
  * the event is acknowledged via `Event.Acknowledge`. Once this happens, `callback` is invoked ONCE
  *
  * @export
- * @param {*} eventName
- * @param {*} timeInMilliseconds
- * @param {*} callback
+ * @param {string} eventName
+ * @param {number} timeInMilliseconds
+ * @param {function} callback
  */
 function Heartbeat(eventName, timeInMilliseconds, callback) {
 	window.wails.Events.Heartbeat(eventName, timeInMilliseconds, callback);
@@ -80,10 +80,10 @@ function Acknowledge(eventName) {
 }
 
 module.exports = {
-	OnMultiple,
-	On,
-	Once,
-	Emit,
-	Heartbeat,
-	Acknowledge
+	OnMultiple: OnMultiple,
+	On: On,
+	Once: Once,
+	Emit: Emit,
+	Heartbeat: Heartbeat,
+	Acknowledge: Acknowledge
 };

runtime/js/runtime/init.js

@@ -18,6 +18,4 @@ function Init(callback) {
 	window.wails._.Init(callback);
 }
 
-module.exports = {
-	Init
-};
+module.exports = Init;

runtime/js/runtime/log.js

@@ -62,9 +62,9 @@ function Fatal(message) {
 }
 
 module.exports = {
-	Debug,
-	Info,
-	Warning,
-	Error,
-	Fatal
+	Debug: Debug,
+	Info: Info,
+	Warning: Warning,
+	Error: Error,
+	Fatal: Fatal
 };

runtime/js/runtime/main.js

@@ -15,8 +15,8 @@ const Events = require('./events');
 const Init = require('./init');
 
 module.exports = {
-	Log,
-	Browser,
-	Events,
-	Init
+	Log: Log,
+	Browser: Browser,
+	Events: Events,
+	Init: Init
 };

runtime/js/runtime/package.json

@@ -1,10 +1,12 @@
 {
   "name": "@wailsapp/runtime",
-  "version": "1.0.2",
+  "version": "1.0.8",
   "description": "Wails Javascript runtime library",
   "main": "main.js",
+  "types": "runtime.d.ts",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "webpack"
   },
   "repository": {
     "type": "git",
@@ -20,5 +22,18 @@
   "bugs": {
     "url": "https://github.com/wailsapp/wails/issues"
   },
-  "homepage": "https://github.com/wailsapp/wails#readme"
-}
+  "files": [
+    "*.js",
+    "!webpack.config.js",
+    "runtime.d.ts",
+    "README.md"
+  ],
+  "homepage": "https://github.com/wailsapp/wails#readme",
+  "devDependencies": {
+    "babel-core": "^6.26.3",
+    "babel-loader": "^8.0.6",
+    "babel-preset-es2015": "^6.24.1",
+    "dts-gen": "^0.5.8",
+    "webpack": "^4.41.2"
+  }
+}

runtime/js/runtime/runtime.d.ts

@@ -0,0 +1,26 @@
+export = wailsapp__runtime;
+
+declare const wailsapp__runtime: {
+    Browser: {
+        OpenFile(filename: string): Promise<any>;
+        OpenURL(url: string): Promise<any>;
+    };
+    Events: {
+        Acknowledge(eventName: string): void; 
+        Emit(eventName: string): void;
+        Heartbeat(eventName: string, timeInMilliseconds: number, callback: () => void): void;
+        On(eventName: string, callback: () => void): void;
+        OnMultiple(eventName: string, callback: () => void, maxCallbacks: number): void;
+        Once(eventName: string, callback: () => void): void;
+    };
+    Init(callback: () => void): void;
+    Log: {
+        Debug(message: string): void;
+        Error(message: string): void;
+        Fatal(message: string): void;
+        Info(message: string): void;
+        Warning(message: string): void;
+    };
+};
+
+

runtime/js/runtime/webpack.config.js

@@ -0,0 +1,37 @@
+/* eslint-disable */
+
+const path = require('path');
+
+module.exports = {
+  entry: './main.js',
+  mode: 'production',
+  output: {
+    path: path.resolve(__dirname, 'dist'),
+    filename: 'main.js',
+    libraryTarget: 'this'
+  },
+  module: {
+    rules: [
+      {
+        test: /\.m?js$/,
+        exclude: /(node_modules|bower_components)/,
+        use: {
+          loader: 'babel-loader',
+          options: {
+            plugins: [],
+            presets: [
+              [
+                '@babel/preset-env',
+                {
+                  'useBuiltIns': 'usage',
+                  'corejs': 3,
+                  'targets': { "browsers": ["last 2 versions", "ie >= 9"] }
+                }
+              ]
+            ]
+          }
+        }
+      }
+    ]
+  }
+};

runtime/js/webpack.prod.js

@@ -17,16 +17,14 @@ module.exports = {
         use: {
           loader: 'babel-loader',
           options: {
-            plugins: ['@babel/plugin-transform-object-assign'],
+            plugins: [],
             presets: [
               [
                 '@babel/preset-env',
                 {
-                  'useBuiltIns': 'entry',
-                  'corejs': {
-                    'version': 3,
-                    'proposals': true
-                  }
+                  'useBuiltIns': 'usage',
+                  'corejs': 3,
+                  'targets': { "browsers": ["last 2 versions", "ie >= 9"] }
                 }
               ]
             ]

runtime/window.go

@@ -1,6 +1,54 @@
 package runtime
 
-import "github.com/wailsapp/wails/lib/interfaces"
+import (
+	"bytes"
+	"runtime"
+
+	"github.com/abadojack/whatlanggo"
+	"github.com/wailsapp/wails/lib/interfaces"
+	"golang.org/x/text/encoding"
+	"golang.org/x/text/encoding/japanese"
+	"golang.org/x/text/encoding/korean"
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+func detectEncoding(text string) (encoding.Encoding, string) {
+	// korean
+	var enc encoding.Encoding
+	info := whatlanggo.Detect(text)
+	//fmt.Println("Language:", info.Lang.String(), " Script:", whatlanggo.Scripts[info.Script], " Confidence: ", info.Confidence)
+	switch info.Lang.String() {
+	case "Korean":
+		enc = korean.EUCKR
+	case "Mandarin":
+		enc = simplifiedchinese.GBK
+	case "Japanese":
+		enc = japanese.EUCJP
+	}
+	return enc, info.Lang.String()
+}
+
+// ProcessEncoding attempts to convert CKJ strings to UTF-8
+func ProcessEncoding(text string) string {
+	if runtime.GOOS != "windows" {
+		return text
+	}
+
+	encoding, _ := detectEncoding(text)
+	if encoding != nil {
+		var bufs bytes.Buffer
+		wr := transform.NewWriter(&bufs, encoding.NewEncoder())
+		_, err := wr.Write([]byte(text))
+		defer wr.Close()
+		if err != nil {
+			return ""
+		}
+
+		return bufs.String()
+	}
+	return text
+}
 
 // Window exposes an interface for manipulating the window
 type Window struct {
@@ -31,6 +79,7 @@ func (r *Window) UnFullscreen() {
 
 // SetTitle sets the the window title
 func (r *Window) SetTitle(title string) {
+	title = ProcessEncoding(title)
 	r.renderer.SetTitle(title)
 }
 

scripts/build.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"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()
+	if err != nil {
+		log.Fatal(err)
+	}
+	cmd.Run()
+	fmt.Println(string(output))
+}
+
+// A build step that requires additional params, or platform specific steps for example
+func main() {
+
+	dir, _ := os.Getwd()
+
+	// Build Runtime
+	fmt.Println("**** Building Runtime ****")
+	runtimeDir, _ := filepath.Abs(filepath.Join(dir, "..", "runtime", "js"))
+	os.Chdir(runtimeDir)
+	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"))
+	os.Chdir(execDir)
+	runCommand("go", "install")
+
+	baseDir, _ := filepath.Abs(filepath.Join(dir, ".."))
+	os.Chdir(baseDir)
+	runCommand("go", "mod", "tidy")
+}

scripts/build.sh

@@ -3,11 +3,17 @@
 # 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

wails-mewn.go

@@ -1,4 +0,0 @@
-package wails
-
-// Autogenerated by Mewn - Do not alter
-