WIP

replace os.UserHomeDir with os.UserConfigDir which manages properly the config folder based on platform.

.github/workflows/latest-pre.yml

@@ -13,10 +13,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
-        go-version: 1.12
+        go-version: 1.13
       id: go
 
     - name: Check out code into the Go module directory
@@ -27,6 +27,6 @@ jobs:
         go get -v -d ./...
     - name: Build
       run: go build -v ./cmd/wails
-    
+
     - name: Test
       run: ./wails version

.github/workflows/pr.yml

@@ -13,10 +13,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
-        go-version: 1.12
+        go-version: 1.13
       id: go
 
     - name: Check out code into the Go module directory
@@ -27,6 +27,6 @@ jobs:
         go get -v -d ./...
     - name: Build
       run: go build -v ./cmd/wails
-    
+
     - name: Test
       run: ./wails version

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on:
     branches:
     - master
     tags:
-    - '!**pre**' 
+    - '!**pre**'
 jobs:
 
   build:
@@ -15,10 +15,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
-        go-version: 1.12
+        go-version: 1.13
       id: go
 
     - name: Check out code into the Go module directory
@@ -29,6 +29,6 @@ jobs:
         go get -v -d ./...
     - name: Build
       run: go build -v ./cmd/wails
-    
+
     - name: Test
       run: ./wails version

CONTRIBUTORS.md

@@ -15,7 +15,6 @@ Wails is what it is because of the time and effort given by these great people.
   * [admin_3.exe](https://github.com/bh90210)
   * [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)
@@ -26,4 +25,10 @@ Wails is what it is because of the time and effort given by these great people.
   * [Reuben Thomas-Davis](https://github.com/Rested)
   * [Jarek](https://github.com/Jarek-SRT)
   * [Konez2k](https://github.com/konez2k)
-  * [msms](https://github.com/sayuthisobri)
+  * [msms](https://github.com/sayuthisobri)
+  * [dedo1911](https://github.com/dedo1911)
+  * [Florian Didron](https://github.com/fdidron)
+  * [Christopher Murphy](https://github.com/Splode)
+  * [Zámbó, Levente](https://github.com/Lyimmi)
+  * [artem](https://github.com/Unix4ever)
+  * [Tim Kipp](https://github.com/timkippdev)

README.md

@@ -36,7 +36,7 @@ The official docs can be found at [https://wails.app](https://wails.app).
 
 Wails uses cgo to bind to the native rendering engines so a number of platform dependent libraries are needed as well as an installation of Go. The basic requirements are:
 
-- Go 1.12
+- Go 1.13
 - npm
 
 ### MacOS
@@ -55,7 +55,7 @@ _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_
+_Also succesfully tested on: Zorin 15, Parrot 4.7, Linuxmint 19, Elementary 5, Kali, Neon_, Pop!_OS
 
 #### Arch Linux / ArchLabs
 

cmd/helpers.go

@@ -293,9 +293,11 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 				fmt.Println(err)
 			}
 		}
-		if projectOptions.Platform == "windows" {
-			helper.CleanWindows(projectOptions)
-		}
+		// Removed by popular demand
+		// TODO: Potentially add a flag to cleanup
+		// if projectOptions.Platform == "windows" {
+		// 	helper.CleanWindows(projectOptions)
+		// }
 	}()
 
 	if projectOptions.CrossCompile {
@@ -561,6 +563,11 @@ func ldFlags(po *ProjectOptions, buildMode string) string {
 
 	ldflags += "-X github.com/wailsapp/wails.BuildMode=" + buildMode
 
+	// Add additional ldflags passed in via the `ldflags` cli flag
+	if len(po.LdFlags) > 0 {
+		ldflags += " " + po.LdFlags
+	}
+
 	// If we wish to generate typescript
 	if po.typescriptDefsFilename != "" {
 		cwd, err := os.Getwd()

cmd/linux.go

@@ -59,6 +59,10 @@ const (
 	Leap
 	// ArchLabs distribution
 	ArchLabs
+	// PopOS distribution
+	PopOS
+	// Solus distribution
+	Solus
 )
 
 // DistroInfo contains all the information relating to a linux distribution
@@ -107,7 +111,7 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		}
 		switch splitLine[0] {
 		case "ID":
-			osID = strings.Trim(splitLine[1], "\"")
+			osID = strings.ToLower(strings.Trim(splitLine[1], "\""))
 		case "NAME":
 			osNAME = strings.Trim(splitLine[1], "\"")
 		case "VERSION_ID":
@@ -116,7 +120,7 @@ func parseOsRelease(osRelease string) *DistroInfo {
 	}
 
 	// Check distro name against list of distros
-	switch strings.ToLower(osID) {
+	switch osID {
 	case "fedora":
 		result.Distribution = Fedora
 	case "centos":
@@ -159,6 +163,10 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = Tumbleweed
 	case "opensuse-leap":
 		result.Distribution = Leap
+	case "pop":
+		result.Distribution = PopOS
+	case "solus":
+		result.Distribution = Solus
 	default:
 		result.Distribution = Unknown
 	}
@@ -195,6 +203,17 @@ func DpkgInstalled(packageName string) (bool, error) {
 	return exitCode == 0, nil
 }
 
+// EOpkgInstalled uses dpkg to see if a package is installed
+func EOpkgInstalled(packageName string) (bool, error) {
+	program := NewProgramHelper()
+	eopkg := program.FindProgram("eopkg")
+	if eopkg == nil {
+		return false, fmt.Errorf("cannot check dependencies: eopkg not found")
+	}
+	stdout, _, _, _ := eopkg.Run("info", packageName)
+	return strings.HasPrefix(stdout, "Installed"), nil
+}
+
 // PacmanInstalled uses pacman to see if a package is installed.
 func PacmanInstalled(packageName string) (bool, error) {
 	program := NewProgramHelper()
@@ -266,5 +285,9 @@ func RequestSupportForDistribution(distroInfo *DistroInfo) error {
 
 	fmt.Println("Opening browser to file request.")
 	browser.OpenURL(fullURL + url.PathEscape(params))
+	result = Prompt("We have a guide for adding support for your distribution. Would you like to view it?", "yes")
+	if strings.ToLower(result) == "yes" {
+		browser.OpenURL("https://wails.app/guides/distro/")
+	}
 	return nil
 }

cmd/linuxdb.yaml

@@ -28,6 +28,15 @@ distributions:
         gccversioncommand: &gccdumpfullversion -dumpfullversion
         programs: *debiandefaultprograms
         libraries: *debiandefaultlibraries
+  pop:
+    id: pop
+    releases:
+      default:
+        version: default
+        name: Pop!_OS
+        gccversioncommand: &gccdumpfullversion -dumpfullversion
+        programs: *debiandefaultprograms
+        libraries: *debiandefaultlibraries
   kali:
     id: kali
     releases:
@@ -232,6 +241,25 @@ distributions:
         gccversioncommand: *gccdumpfullversion
         programs: *debiandefaultprograms
         libraries: *debiandefaultlibraries
+  solus:
+    id: solus
+    releases:
+      default:
+        version: default
+        name: Solus
+        gccversioncommand: *gccdumpfullversion
+        programs: &solusdefaultprograms
+          - name: gcc
+            help: Please install with `sudo eopkg it -c system.devel` and try again
+          - name: pkg-config
+            help: Please install with `sudo eopkg it -c system.devel` and try again
+          - name: npm
+            help: Please install with `sudo eopkg it nodejs` and try again
+        libraries: &solusdefaultlibraries
+          - name: libgtk-3-devel
+            help: Please install with `sudo eopkg it libgtk-3-devel` and try again
+          - name: libwebkit-gtk-devel
+            help: Please install with `sudo eopkg it libwebkit-gtk-devel` and try again
         
   opensuse-tumbleweed:
     id: opensuse-tumbleweed

cmd/package.go

@@ -1,9 +1,12 @@
 package cmd
 
 import (
+	"bufio"
 	"bytes"
+	"encoding/binary"
 	"fmt"
 	"image"
+	"image/png"
 	"io/ioutil"
 	"os"
 	"path"
@@ -14,6 +17,7 @@ import (
 	"time"
 
 	"github.com/jackmordaunt/icns"
+	"golang.org/x/image/draw"
 )
 
 // PackageHelper helps with the 'wails package' command
@@ -55,6 +59,111 @@ func newPlistData(title, exe, packageID, version, author string) *plistData {
 	}
 }
 
+type windowsIcoHeader struct {
+	_          uint16
+	imageType  uint16
+	imageCount uint16
+}
+
+type windowsIcoDescriptor struct {
+	width   uint8
+	height  uint8
+	colours uint8
+	_       uint8
+	planes  uint16
+	bpp     uint16
+	size    uint32
+	offset  uint32
+}
+
+type windowsIcoContainer struct {
+	Header windowsIcoDescriptor
+	Data   []byte
+}
+
+func generateWindowsIcon(pngFilename string, iconfile string) error {
+	sizes := []int{256, 128, 64, 48, 32, 16}
+
+	pngfile, err := os.Open(pngFilename)
+	if err != nil {
+		return err
+	}
+	defer pngfile.Close()
+
+	pngdata, err := png.Decode(pngfile)
+	if err != nil {
+		return err
+	}
+
+	icons := []windowsIcoContainer{}
+
+	for _, size := range sizes {
+		rect := image.Rect(0, 0, int(size), int(size))
+		rawdata := image.NewRGBA(rect)
+		scale := draw.CatmullRom
+		scale.Scale(rawdata, rect, pngdata, pngdata.Bounds(), draw.Over, nil)
+
+		icondata := new(bytes.Buffer)
+		writer := bufio.NewWriter(icondata)
+		err = png.Encode(writer, rawdata)
+		if err != nil {
+			return err
+		}
+		writer.Flush()
+
+		imgSize := size
+		if imgSize >= 256 {
+			imgSize = 0
+		}
+
+		data := icondata.Bytes()
+
+		icn := windowsIcoContainer{
+			Header: windowsIcoDescriptor{
+				width:  uint8(imgSize),
+				height: uint8(imgSize),
+				planes: 1,
+				bpp:    32,
+				size:   uint32(len(data)),
+			},
+			Data: data,
+		}
+		icons = append(icons, icn)
+	}
+
+	outfile, err := os.Create(iconfile)
+	if err != nil {
+		return err
+	}
+	defer outfile.Close()
+
+	ico := windowsIcoHeader{
+		imageType:  1,
+		imageCount: uint16(len(sizes)),
+	}
+	err = binary.Write(outfile, binary.LittleEndian, ico)
+	if err != nil {
+		return err
+	}
+
+	offset := uint32(6 + 16*len(sizes))
+	for _, icon := range icons {
+		icon.Header.offset = offset
+		err = binary.Write(outfile, binary.LittleEndian, icon.Header)
+		if err != nil {
+			return err
+		}
+		offset += icon.Header.size
+	}
+	for _, icon := range icons {
+		_, err = outfile.Write(icon.Data)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func defaultString(val string, defaultVal string) string {
 	if val != "" {
 		return val
@@ -103,6 +212,8 @@ func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
 	packageID := strings.Join([]string{"wails", name, version}, ".")
 	plistData := newPlistData(name, exe, packageID, version, author)
 	appname := po.Name + ".app"
+	plistFilename := path.Join(build, appname, "Contents", "Info.plist")
+	customPlist := path.Join(b.fs.Cwd(), "info.plist")
 
 	// Check binary exists
 	source := path.Join(build, exe)
@@ -121,28 +232,48 @@ func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
 	// Remove the existing package
 	os.RemoveAll(appname)
 
+	// Create directories
 	exeDir := path.Join(build, appname, "/Contents/MacOS")
 	b.fs.MkDirs(exeDir, 0755)
 	resourceDir := path.Join(build, appname, "/Contents/Resources")
 	b.fs.MkDirs(resourceDir, 0755)
-	tmpl := template.New("infoPlist")
-	plistFile := filepath.Join(b.getPackageFileBaseDir(), "info.plist")
-	infoPlist, err := ioutil.ReadFile(plistFile)
-	if err != nil {
-		return err
-	}
-	tmpl.Parse(string(infoPlist))
 
-	// Write the template to a buffer
-	var tpl bytes.Buffer
-	err = tmpl.Execute(&tpl, plistData)
-	if err != nil {
-		return err
-	}
-	filename := path.Join(build, appname, "Contents", "Info.plist")
-	err = ioutil.WriteFile(filename, tpl.Bytes(), 0644)
-	if err != nil {
-		return err
+	// Do we have a custom plist in the project directory?
+	if !fs.FileExists(customPlist) {
+
+		// No - create a new plist from our defaults
+		tmpl := template.New("infoPlist")
+		plistFile := filepath.Join(b.getPackageFileBaseDir(), "info.plist")
+		infoPlist, err := ioutil.ReadFile(plistFile)
+		if err != nil {
+			return err
+		}
+		tmpl.Parse(string(infoPlist))
+
+		// Write the template to a buffer
+		var tpl bytes.Buffer
+		err = tmpl.Execute(&tpl, plistData)
+		if err != nil {
+			return err
+		}
+
+		// Save to the package
+		err = ioutil.WriteFile(plistFilename, tpl.Bytes(), 0644)
+		if err != nil {
+			return err
+		}
+
+		// Also write to project directory for customisation
+		err = ioutil.WriteFile(customPlist, tpl.Bytes(), 0644)
+		if err != nil {
+			return err
+		}
+	} else {
+		// Yes - we have a plist. Copy it to the package verbatim
+		err = fs.CopyFile(customPlist, plistFilename)
+		if err != nil {
+			return err
+		}
 	}
 
 	// Copy executable
@@ -177,14 +308,16 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 	outputDir := b.fs.Cwd()
 	basename := strings.TrimSuffix(po.BinaryName, ".exe")
 
-	// Copy icon
-	tgtIconFile := filepath.Join(outputDir, basename+".ico")
-	if !b.fs.FileExists(tgtIconFile) {
-		srcIconfile := filepath.Join(b.getPackageFileBaseDir(), "wails.ico")
-		err := b.fs.CopyFile(srcIconfile, tgtIconFile)
-		if err != nil {
-			return err
-		}
+	// Copy default icon if needed
+	icon, err := b.copyIcon()
+	if err != nil {
+		return err
+	}
+
+	// Generate icon from PNG
+	err = generateWindowsIcon(icon, basename+".ico")
+	if err != nil {
+		return err
 	}
 
 	// Copy manifest
@@ -243,7 +376,7 @@ func (b *PackageHelper) PackageWindows(po *ProjectOptions, cleanUp bool) error {
 	return nil
 }
 
-func (b *PackageHelper) copyIcon(resourceDir string) (string, error) {
+func (b *PackageHelper) copyIcon() (string, error) {
 
 	// TODO: Read this from project.json
 	const appIconFilename = "appicon.png"
@@ -268,7 +401,7 @@ func (b *PackageHelper) copyIcon(resourceDir string) (string, error) {
 
 func (b *PackageHelper) packageIconOSX(resourceDir string) error {
 
-	srcIcon, err := b.copyIcon(resourceDir)
+	srcIcon, err := b.copyIcon()
 	if err != nil {
 		return err
 	}

cmd/packages/windows/wails.rc

@@ -1,2 +1,2 @@
 100 ICON    "$NAME$.ico"
-100 24      "$NAME$.exe.manifest"
+110 24      "$NAME$.exe.manifest"

cmd/project.go

@@ -161,6 +161,7 @@ type ProjectOptions struct {
 	CrossCompile           bool
 	Platform               string
 	Architecture           string
+	LdFlags                string
 }
 
 // Defaults sets the default project template

cmd/system.go

@@ -5,12 +5,11 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"os"
 	"path/filepath"
 	"runtime"
 	"strconv"
 	"time"
-
-	homedir "github.com/mitchellh/go-homedir"
 )
 
 // SystemHelper - Defines everything related to the system
@@ -38,10 +37,11 @@ func NewSystemHelper() *SystemHelper {
 // setSystemDirs calculates the system directories it is interested in
 func (s *SystemHelper) setSystemDirs() {
 	var err error
-	s.homeDir, err = homedir.Dir()
+	s.homeDir, err = os.UserHomeDir()
 	if err != nil {
 		log.Fatal("Cannot find home directory! Please file a bug report!")
 	}
+
 	// TODO: A better config system
 	s.wailsSystemDir = filepath.Join(s.homeDir, ".wails")
 	s.wailsSystemConfig = filepath.Join(s.wailsSystemDir, s.configFilename)
@@ -132,7 +132,7 @@ func (s *SystemHelper) setup() error {
 }
 
 const introText = `
-Wails is a lightweight framework for creating web-like desktop apps in Go. 
+Wails is a lightweight framework for creating web-like desktop apps in Go.
 I'll need to ask you a few questions so I can fill in your project templates and then I will try and see if you have the correct dependencies installed. If you don't have the right tools installed, I'll try and suggest how to install them.
 `
 
@@ -274,7 +274,7 @@ func CheckDependencies(logger *Logger) (bool, error) {
 		distroInfo := GetLinuxDistroInfo()
 
 		switch distroInfo.Distribution {
-		case Ubuntu, Debian, Zorin, Parrot, Linuxmint, Elementary, Kali, Neon, Deepin, Raspbian:
+		case Ubuntu, Debian, Zorin, Parrot, Linuxmint, Elementary, Kali, Neon, Deepin, Raspbian, PopOS:
 			libraryChecker = DpkgInstalled
 		case Arch, ArcoLinux, ArchLabs, Manjaro, ManjaroARM:
 			libraryChecker = PacmanInstalled
@@ -284,6 +284,8 @@ func CheckDependencies(logger *Logger) (bool, error) {
 			libraryChecker = EqueryInstalled
 		case VoidLinux:
 			libraryChecker = XbpsInstalled
+		case Solus:
+			libraryChecker = EOpkgInstalled
 		default:
 			return false, RequestSupportForDistribution(distroInfo)
 		}

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

@@ -5,8 +5,8 @@
   "private": true,
   "dependencies": {
     "core-js": "^3.6.4",
-    "react": "^16.13.0",
-    "react-dom": "^16.13.0",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
     "wails-react-scripts": "3.0.1-2",
     "react-modal": "3.11.2",
     "@wailsapp/runtime": "^1.0.10"

cmd/templates/create-react-app/frontend/public/index.html

@@ -1,10 +1,13 @@
 <!DOCTYPE html>
 <html lang="en">
-  <head>
+
+<head>
     <meta charset="utf-8" />
-    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#000000" />
+    <meta name="description" content="Web site created using create-react-app" />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
     <!--
       manifest.json provides metadata used when your web app is installed on a
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
@@ -20,8 +23,9 @@
       Learn how to configure a non-root public URL by running `npm run build`.
     -->
     <title>React App</title>
-  </head>
-  <body>
+</head>
+
+<body>
     <noscript>You need to enable JavaScript to run this app.</noscript>
     <div id="app"></div>
     <!--
@@ -34,5 +38,6 @@
       To begin the development, run `npm start` or `yarn start`.
       To create a production bundle, use `npm run build` or `yarn build`.
     -->
-  </body>
-</html>
+</body>
+
+</html>

cmd/templates/create-react-app/frontend/public/manifest.json

@@ -6,6 +6,16 @@
       "src": "favicon.ico",
       "sizes": "64x64 32x32 24x24 16x16",
       "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
     }
   ],
   "start_url": ".",

cmd/templates/create-react-app/frontend/public/robots.txt

@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:

cmd/templates/create-react-app/frontend/src/App.css

@@ -3,11 +3,16 @@
 }
 
 .App-logo {
-  animation: App-logo-spin infinite 20s linear;
   height: 40vmin;
   pointer-events: none;
 }
 
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
 .App-header {
   background-color: #282c34;
   min-height: 100vh;

cmd/templates/create-react-app/frontend/src/components/HelloWorld.js

@@ -1,48 +1,35 @@
-import React from 'react';
+import React, { useState } from 'react';
 import Modal from 'react-modal';
 
-class HelloWorld extends React.Component {
-  constructor(props, context) {
-    super();
-    this.state = {
-      showModal: false
-    };
+function HelloWorld() {
+	const [showModal, setShowModal] = useState(false);
+	const [result, setResult] = useState(null);
 
-    this.handleOpenModal = this.handleOpenModal.bind(this);
-    this.handleCloseModal = this.handleCloseModal.bind(this);
-  }
+	const handleOpenModal = () => {
+		setShowModal(true);
 
-  handleOpenModal () {
-    this.setState({ showModal: true });
+		window.backend.basic().then((result) => setResult(result));
+	};
 
-    window.backend.basic().then(result =>
-      this.setState({
-        result
-      })
-    );
-  }
+	const handleCloseModal = () => {
+		setShowModal(false);
+	};
 
-  handleCloseModal () {
-    this.setState({ showModal: false });
-  }
-
-  render() {
-    const { result } = this.state;
-    return (
-      <div className="App">
-        <button onClick={this.handleOpenModal} type="button">
-          Hello
-        </button>
-        <Modal
-          isOpen={this.state.showModal}
-          contentLabel="Minimal Modal Example"
-        >
-        <p>{result}</p>
-        <button onClick={this.handleCloseModal}>Close Modal</button>
-        </Modal>
-      </div>
-    );
-  }
+	return (
+		<div className="App">
+			<button onClick={() => handleOpenModal()} type="button">
+				Hello
+      </button>
+			<Modal
+				appElement={document.getElementById("app")}
+				isOpen={showModal}
+				contentLabel="Minimal Modal Example"
+			>
+				<p>{result}</p>
+				<button onClick={() => handleCloseModal()}>Close Modal</button>
+			</Modal>
+		</div>
+	);
 }
 
 export default HelloWorld;

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

@@ -3,9 +3,20 @@ import ReactDOM from 'react-dom';
 import 'core-js/stable';
 import './index.css';
 import App from './App';
+import * as serviceWorker from './serviceWorker';
 
 import * as Wails from '@wailsapp/runtime';
 
 Wails.Init(() => {
-  ReactDOM.render(<App />, document.getElementById('app'));
+  ReactDOM.render(
+    <React.StrictMode>
+      <App />
+    </React.StrictMode>,
+    document.getElementById("app")
+  );
 });
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();

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

@@ -1,8 +1,8 @@
 {
   "name": "React JS",
   "version": "1.0.0",
-  "shortdescription": "Create React App v3 template",
-  "description": "Create React App v3 standar tooling",
+  "shortdescription": "Create React App v4 template",
+  "description": "Create React App v4 standard tooling",
   "install": "npm install",
   "build": "npm run build",
   "author": "bh90210 <ktc@pm.me>",

cmd/templates/vanilla/README.md

@@ -0,0 +1,5 @@
+# README
+
+This is an experimental template for vanilla HTML/JS/CSS.
+
+The webpack rules may need to be adjusted to correctly embed all assets. Babel may also need to be setup correctly.

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

@@ -0,0 +1,42 @@
+{
+  "name": "vanilla",
+  "author": "Lea<l>",
+  "private": true,
+  "scripts": {
+    "serve": "webpack-dev-server",
+    "build": "npx webpack"
+  },
+  "dependencies": {
+    "core-js": "^3.6.4",
+    "regenerator-runtime": "^0.13.3",
+    "@wailsapp/runtime": "^1.0.10"
+  },
+  "devDependencies": {
+    "babel-eslint": "^10.1.0",
+    "copy-webpack-plugin": "^6.0.2",
+    "eslint": "^6.8.0",
+    "eventsource-polyfill": "^0.9.6",
+    "webpack": "^4.43.0",
+    "webpack-cli": "^3.3.11",
+    "webpack-dev-server": "^3.11.0",
+    "webpack-hot-middleware": "^2.25.0"
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true
+    },
+    "extends": [
+      "eslint:recommended"
+    ],
+    "rules": {},
+    "parserOptions": {
+      "parser": "babel-eslint"
+    }
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "not ie <= 8"
+  ]
+}

cmd/templates/vanilla/frontend/src/index.html

@@ -0,0 +1,9 @@
+<html>
+    <head>
+        <link rel="stylesheet" type="text/css" href="main.css">
+    </head>
+    <body>
+        <div id="app"></div>
+        <script src="main.js"></script>
+    </body>
+</html>

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

@@ -0,0 +1,30 @@
+import 'core-js/stable';
+const runtime = require('@wailsapp/runtime');
+
+// Main entry point
+function start() {
+
+	// Ensure the default app div is 100% wide/high
+	var app = document.getElementById('app');
+	app.style.width = '100%';
+	app.style.height = '100%';
+
+	// Inject html
+	app.innerHTML = `
+	<div class='logo'></div>
+	<div class='container'>
+			<button id='button'>Click Me!</button>
+			<div id='result'/>
+	</div>
+	`;
+
+	// Connect button to Go method
+	document.getElementById('button').onclick = function() {
+		window.backend.basic().then( function(result) {
+			document.getElementById('result').innerText = result;
+		});
+	};
+};
+
+// We provide our entrypoint as a callback for runtime.Init
+runtime.Init(start);

cmd/templates/vanilla/frontend/webpack.config.js

@@ -0,0 +1,56 @@
+const path = require('path');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+
+let imageSizeLimit = 9007199254740991; // Number.MAX_SAFE_INTEGER
+let sourceDir = path.resolve(__dirname, 'src');
+let buildDir = path.resolve(__dirname, 'build');
+
+module.exports = {
+	entry: {
+		index: path.resolve(sourceDir, 'main.js')
+	},
+	output: {
+		path: buildDir,
+		filename: 'main.js'
+	},
+	optimization: {
+		splitChunks: false
+	},
+	devServer: {
+		disableHostCheck: true,
+		contentBase: path.join(__dirname, 'src'),
+		compress: true,
+		open: true,
+		port: 8090
+	},
+	mode: 'production',
+	module: {
+		rules: [
+			{
+				test: /\.(png|gif|jpg|woff2?|eot|ttf|otf|svg)(\?.*)?$/i,
+				use: [
+					{
+						loader: 'url-loader',
+						options: {
+							limit: imageSizeLimit
+						}
+					}
+				],
+			}
+		]
+	},
+	plugins: [
+		new CopyWebpackPlugin({
+			patterns: [
+				{
+					from: path.resolve(sourceDir, 'main.css'),
+					to: path.resolve(buildDir, 'main.css')
+				},
+				{
+					from: path.resolve(sourceDir, 'index.html'),
+					to: path.resolve(buildDir, 'index.html')
+				},
+			]
+		})
+	]
+};

cmd/templates/vanilla/go.mod.template

@@ -0,0 +1,5 @@
+module {{.BinaryName}}
+
+require (
+	github.com/wailsapp/wails {{.WailsVersion}}
+)

cmd/templates/vanilla/main.go.template

@@ -0,0 +1,27 @@
+package main
+
+import (
+  "github.com/leaanthony/mewn"
+  "github.com/wailsapp/wails"
+)
+
+func basic() string {
+  return "Hello World!"
+}
+
+func main() {
+
+	js := mewn.String("./frontend/build/main.js")
+	css := mewn.String("./frontend/build/main.css")
+
+  app := wails.CreateApp(&wails.AppConfig{
+    Width:  1024,
+    Height: 768,
+    Title:  "{{.Name}}",
+    JS:     js,
+    CSS:    css,
+    Colour: "#131313",
+  })
+  app.Bind(basic)
+  app.Run()
+}

cmd/templates/vanilla/template.json

@@ -0,0 +1,12 @@
+{
+  "name": "Vanilla",
+  "shortdescription": "A Vanilla HTML/JS template",
+  "description": "A basic template using plain html/js and bundled using Webpack 4",
+  "author": "Lea Anthony<lea.anthony@gmail.com>",
+  "created": "2020-06-14",
+  "frontenddir": "frontend",
+  "install": "npm install",
+  "build": "npm run build",
+  "serve": "npm run serve",
+  "bridge": "src"
+}

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v1.6.0-pre2"
+const Version = "v1.7.2-pre3"

cmd/wails/3_generate.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/leaanthony/spinner"
+	"github.com/wailsapp/wails/lib/stores"
+)
+
+func init() {
+
+	var generateStores = false
+
+	buildSpinner := spinner.NewSpinner()
+	buildSpinner.SetSpinSpeed(50)
+
+	commandDescription := `This command will generate components`
+	generateCommand := app.Command("generate", "Generate components").
+		LongDescription(commandDescription).
+		BoolFlag("s", "Generate Stores", &generateStores)
+
+	generateCommand.Action(func() error {
+
+		logger.PrintSmallBanner("Generating")
+		fmt.Println()
+
+		if generateStores {
+			err := stores.Generate()
+			if err != nil {
+				return err
+			}
+		}
+
+		return nil
+
+	})
+}

cmd/wails/4_build.go

@@ -29,6 +29,7 @@ func init() {
 	var typescriptFilename = ""
 	var verbose = false
 	var platform = ""
+	var ldflags = ""
 
 	buildSpinner := spinner.NewSpinner()
 	buildSpinner.SetSpinSpeed(50)
@@ -40,7 +41,8 @@ func init() {
 		BoolFlag("f", "Force rebuild of application components", &forceRebuild).
 		BoolFlag("d", "Build in Debug mode", &debugMode).
 		BoolFlag("verbose", "Verbose output", &verbose).
-		StringFlag("t", "Generate Typescript definitions to given file (at runtime)", &typescriptFilename)
+		StringFlag("t", "Generate Typescript definitions to given file (at runtime)", &typescriptFilename).
+		StringFlag("ldflags", "Extra options for -ldflags", &ldflags)
 
 	var b strings.Builder
 	for _, plat := range getSupportedPlatforms() {
@@ -84,7 +86,7 @@ func init() {
 				}
 			}
 			if !supported {
-				return fmt.Errorf("Unsupported platform '%s' specified.\nPlease run `wails build -h` to see the supported platform/architecture options.", platform)
+				return fmt.Errorf("unsupported platform '%s' specified.\nPlease run `wails build -h` to see the supported platform/architecture options", platform)
 			}
 
 			projectOptions.CrossCompile = true
@@ -93,6 +95,9 @@ func init() {
 			projectOptions.Architecture = plat[1]
 		}
 
+		// Add ldflags
+		projectOptions.LdFlags = ldflags
+
 		// Validate config
 		// Check if we have a frontend
 		err = cmd.ValidateFrontendConfig(projectOptions)

cmd/wails/6_serve.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"runtime"
 
 	"github.com/leaanthony/spinner"
 	"github.com/wailsapp/wails/cmd"
@@ -34,7 +35,6 @@ func init() {
 
 		// Project options
 		projectOptions := &cmd.ProjectOptions{}
-		projectOptions.Verbose = verbose
 
 		// Check we are in project directory
 		// Check project.json loads correctly
@@ -44,6 +44,10 @@ func init() {
 			return err
 		}
 
+		// Set project options
+		projectOptions.Verbose = verbose
+		projectOptions.Platform = runtime.GOOS
+
 		// Save project directory
 		projectDir := fs.Cwd()
 

cmd/wails/8_update.go

@@ -3,9 +3,9 @@ package main
 import (
 	"fmt"
 	"log"
+	"os"
 
 	"github.com/leaanthony/spinner"
-	"github.com/mitchellh/go-homedir"
 	"github.com/wailsapp/wails/cmd"
 )
 
@@ -146,7 +146,7 @@ func updateToVersion(targetVersion *cmd.SemanticVersion, force bool) error {
 	updateSpinner.Start("Installing Wails " + desiredVersion)
 
 	// Run command in non module directory
-	homeDir, err := homedir.Dir()
+	homeDir, err := os.UserHomeDir()
 	if err != nil {
 		log.Fatal("Cannot find home directory! Please file a bug report!")
 	}

go.mod

@@ -14,19 +14,18 @@ require (
 	github.com/leaanthony/spinner v0.5.3
 	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
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
 	github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4
 	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/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/image v0.0.0-20200430140353-33d19683fad8
+	golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
 	golang.org/x/text v0.3.0
+	golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82
 	gopkg.in/AlecAivazis/survey.v1 v1.8.4
 	gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22
 )
 
-go 1.12
+go 1.13

go.sum

@@ -46,8 +46,6 @@ github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc
 github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b h1:j7+1HpAFS1zy5+Q4qx1fWh90gTKwiN4QCGoY9TWyyO4=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
-github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
-github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4 h1:49lOXmGaUpV9Fz3gd7TFZY106KVlPVa5jcYD1gaQf98=
@@ -66,23 +64,39 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 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=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 h1:iMGN4xG0cnqj3t+zOM8wUB0BiPKHEwSxEZCvzcbZuvk=
-golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/image v0.0.0-20200430140353-33d19683fad8 h1:6WW6V3x1P/jokJBpRQYUJnMHRP6isStQwCozxnU7XQw=
+golang.org/x/image v0.0.0-20200430140353-33d19683fad8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 h1:6M3SDHlHHDCx2PcQw3S4KsR170vGqDhJDOmpVd4Hjak=
-golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 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/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/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/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82 h1:shxDsb9Dz27xzk3A0DxP0JuJnZMpKrdg8+E14eiUAX4=
+golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 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=

lib/interfaces/renderer.go

@@ -17,9 +17,9 @@ type Renderer interface {
 	NotifyEvent(eventData *messages.EventData) error
 
 	// Dialog Runtime
-	SelectFile() string
+	SelectFile(title string, filter string) string
 	SelectDirectory() string
-	SelectSaveFile() string
+	SelectSaveFile(title string, filter string) string
 
 	// Window Runtime
 	SetColour(string) error

lib/renderer/bridge/bridge.go

@@ -114,7 +114,7 @@ func (h *Bridge) NewBinding(methodName string) error {
 
 // SelectFile is unsupported for Bridge but required
 // for the Renderer interface
-func (h *Bridge) SelectFile() string {
+func (h *Bridge) SelectFile(title string, filter string) string {
 	h.log.Warn("SelectFile() unsupported in bridge mode")
 	return ""
 }
@@ -128,7 +128,7 @@ func (h *Bridge) SelectDirectory() string {
 
 // SelectSaveFile is unsupported for Bridge but required
 // for the Renderer interface
-func (h *Bridge) SelectSaveFile() string {
+func (h *Bridge) SelectSaveFile(title string, filter string) string {
 	h.log.Warn("SelectSaveFile() unsupported in bridge mode")
 	return ""
 }
@@ -152,12 +152,19 @@ func (h *Bridge) NotifyEvent(event *messages.EventData) error {
 		// Marshall the data
 		data, err = json.Marshal(event.Data)
 		if err != nil {
-			h.log.Errorf("Cannot unmarshall JSON data in event: %s ", err.Error())
+			h.log.Errorf("Cannot marshal JSON data in event: %s ", err.Error())
 			return err
 		}
 	}
 
-	message := fmt.Sprintf("window.wails._.Notify('%s','%s')", event.Name, data)
+	// Double encode data to ensure everything is escaped correctly.
+	data, err = json.Marshal(string(data))
+	if err != nil {
+		h.log.Errorf("Cannot marshal JSON data in event: %s ", err.Error())
+		return err
+	}
+
+	message := "window.wails._.Notify('" + event.Name + "'," + string(data) + ")"
 	dead := []*session{}
 	for _, session := range h.sessions {
 		err := session.evalJS(message, notifyMessage)

lib/renderer/bridge/renderer-mewn.go

@@ -0,0 +1,9 @@
+package renderer
+
+// Autogenerated by Mewn - Do not alter
+
+import "github.com/leaanthony/mewn"
+
+func init() {
+  mewn.AddAsset(".", "../../runtime/assets/wails.js", "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")
+}

lib/renderer/webview.go

@@ -245,7 +245,7 @@ func (w *WebView) NewBinding(methodName string) error {
 }
 
 // SelectFile opens a dialog that allows the user to select a file
-func (w *WebView) SelectFile() string {
+func (w *WebView) SelectFile(title string, filter string) string {
 	var result string
 
 	// We need to run this on the main thread, however Dispatch is
@@ -255,7 +255,7 @@ func (w *WebView) SelectFile() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(wv.DialogTypeOpen, 0, "Select File", "")
+			result = w.window.Dialog(wv.DialogTypeOpen, 0, title, "", filter)
 			wg.Done()
 		})
 	}()
@@ -273,7 +273,7 @@ func (w *WebView) SelectDirectory() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(wv.DialogTypeOpen, wv.DialogFlagDirectory, "Select Directory", "")
+			result = w.window.Dialog(wv.DialogTypeOpen, wv.DialogFlagDirectory, "Select Directory", "", "")
 			wg.Done()
 		})
 	}()
@@ -282,7 +282,7 @@ func (w *WebView) SelectDirectory() string {
 }
 
 // SelectSaveFile opens a dialog that allows the user to select a file to save
-func (w *WebView) SelectSaveFile() string {
+func (w *WebView) SelectSaveFile(title string, filter string) string {
 	var result string
 	// We need to run this on the main thread, however Dispatch is
 	// non-blocking so we launch this in a goroutine and wait for
@@ -291,7 +291,7 @@ func (w *WebView) SelectSaveFile() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(wv.DialogTypeSave, 0, "Save file", "")
+			result = w.window.Dialog(wv.DialogTypeSave, 0, title, "", filter)
 			wg.Done()
 		})
 	}()
@@ -329,7 +329,14 @@ func (w *WebView) NotifyEvent(event *messages.EventData) error {
 		}
 	}
 
-	message := fmt.Sprintf("wails._.Notify('%s','%s')", event.Name, data)
+	// Double encode data to ensure everything is escaped correctly.
+	data, err = json.Marshal(string(data))
+	if err != nil {
+		w.log.Errorf("Cannot marshal JSON data in event: %s ", err.Error())
+		return err
+	}
+
+	message := "window.wails._.Notify('" + event.Name + "'," + string(data) + ")"
 	return w.evalJS(message)
 }
 

lib/renderer/webview/webview.go

@@ -74,9 +74,9 @@ static inline void CgoWebViewSetColor(void *w, uint8_t r, uint8_t g, uint8_t b,
 }
 
 static inline void CgoDialog(void *w, int dlgtype, int flags,
-		char *title, char *arg, char *res, size_t ressz) {
+char *title, char *arg, char *res, size_t ressz, char *filter) {
 	webview_dialog(w, dlgtype, flags,
-		(const char*)title, (const char*) arg, res, ressz);
+	(const char*)title, (const char*) arg, res, ressz, filter);
 }
 
 static inline int CgoWebViewEval(void *w, char *js) {
@@ -186,7 +186,7 @@ type WebView interface {
 	// 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
+	Dialog(dlgType DialogType, flags int, title string, arg string, filter string) string
 	// Terminate() breaks the main UI loop. This method must be called from the main thread
 	// only. See Dispatch() for more details.
 	Terminate()
@@ -311,7 +311,7 @@ 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 {
+func (w *webview) Dialog(dlgType DialogType, flags int, title string, arg string, filter string) string {
 	const maxPath = 4096
 	titlePtr := C.CString(title)
 	defer C.free(unsafe.Pointer(titlePtr))
@@ -319,8 +319,10 @@ func (w *webview) Dialog(dlgType DialogType, flags int, title string, arg string
 	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))
+	filterPtr := C.CString(filter)
+	defer C.free(unsafe.Pointer(filterPtr))
 	C.CgoDialog(w.w, C.int(dlgType), C.int(flags), titlePtr,
-		argPtr, resultPtr, C.size_t(maxPath))
+		argPtr, resultPtr, C.size_t(maxPath), filterPtr)
 	return C.GoString(resultPtr)
 }
 

lib/renderer/webview/webview.h

@@ -174,7 +174,7 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz);
+                                  char *result, size_t resultsz, char *filter);
   WEBVIEW_API void webview_dispatch(struct webview *w, webview_dispatch_fn fn,
                                     void *arg);
   WEBVIEW_API void webview_terminate(struct webview *w);
@@ -418,7 +418,7 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz)
+                                  char *result, size_t resultsz, char *filter)
   {
     GtkWidget *dlg;
     if (result != NULL)
@@ -438,6 +438,17 @@ struct webview_priv
           "_Cancel", GTK_RESPONSE_CANCEL,
           (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN ? "_Open" : "_Save"),
           GTK_RESPONSE_ACCEPT, NULL);
+      if (filter[0] != '\0') {
+          GtkFileFilter *file_filter = gtk_file_filter_new();
+          gchar **filters  = g_strsplit(filter, ",", -1);
+          gint i;
+          for(i = 0; filters && filters[i]; i++) {
+              gtk_file_filter_add_pattern(file_filter, filters[i]);
+          }
+          gtk_file_filter_set_name(file_filter, filter);
+          gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dlg), file_filter);
+          g_strfreev(filters);
+      }
       gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(dlg), FALSE);
       gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dlg), FALSE);
       gtk_file_chooser_set_show_hidden(GTK_FILE_CHOOSER(dlg), TRUE);
@@ -1410,6 +1421,8 @@ struct webview_priv
     wc.hInstance = hInstance;
     wc.lpfnWndProc = wndproc;
     wc.lpszClassName = classname;
+    wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(100));
+    wc.hIconSm = LoadIcon(hInstance, MAKEINTRESOURCE(100));
     RegisterClassEx(&wc);
 
     style = WS_OVERLAPPEDWINDOW;
@@ -1780,7 +1793,7 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz)
+                                  char *result, size_t resultsz, char *filter)
   {
     if (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN ||
         dlgtype == WEBVIEW_DIALOG_TYPE_SAVE)
@@ -1820,6 +1833,32 @@ struct webview_priv
                     FOS_NOTESTFILECREATE | FOS_NODEREFERENCELINKS |
                     FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE;
       }
+      if (filter[0] != '\0')
+      {
+        int count;
+        int i=0;
+        char* token;
+        char* filter_dup = strdup(filter);
+        for (count=1; filter[count]; filter[count]==',' ? count++ : *filter++);
+        COMDLG_FILTERSPEC rgSpec[count];
+        char* filters[count];
+        token = strtok(filter_dup, ",");
+        while(token != NULL)
+        {
+          filters[i] = token;
+          token = strtok(NULL, ",");
+          i++;
+        }
+        for (int i=0; i < count; i++) {
+          wchar_t *wFilter = (wchar_t *)malloc(4096);
+          MultiByteToWideChar(CP_ACP, 0, filters[i], -1, wFilter, 4096);
+          rgSpec[i].pszName = wFilter;
+          rgSpec[i].pszSpec = wFilter;
+        }
+        if (dlg->lpVtbl->SetFileTypes(dlg, count, rgSpec) != S_OK) {
+          goto error_dlg;
+        }
+      }
       if (dlg->lpVtbl->GetOptions(dlg, &opts) != S_OK)
       {
         goto error_dlg;
@@ -1938,7 +1977,7 @@ struct webview_priv
         (struct webview *)objc_getAssociatedObject(self, "webview");
 
     webview_dialog(w, WEBVIEW_DIALOG_TYPE_OPEN, WEBVIEW_DIALOG_FLAG_FILE, "", "",
-                   filename, 255);
+                   filename, 255, "");
     filename[255] = '\0';
     if (strlen(filename) > 0)
     {
@@ -2201,12 +2240,16 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz)
+                                  char *result, size_t resultsz, char *filter)
   {
     if (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN ||
         dlgtype == WEBVIEW_DIALOG_TYPE_SAVE)
     {
       NSSavePanel *panel;
+      NSString *filter_str = [NSString stringWithUTF8String:filter];
+      filter_str = [filter_str stringByReplacingOccurrencesOfString:@"*."
+                                     withString:@""];
+      NSArray *fileTypes = [filter_str componentsSeparatedByString:@","];
       if (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN)
       {
         NSOpenPanel *openPanel = [NSOpenPanel openPanel];
@@ -2219,6 +2262,10 @@ struct webview_priv
         {
           [openPanel setCanChooseFiles:YES];
           [openPanel setCanChooseDirectories:NO];
+          if(filter[0] != NULL)
+          {
+            [openPanel setAllowedFileTypes:fileTypes];
+          }
         }
         [openPanel setResolvesAliases:NO];
         [openPanel setAllowsMultipleSelection:NO];
@@ -2232,6 +2279,10 @@ struct webview_priv
       [panel setShowsHiddenFiles:YES];
       [panel setExtensionHidden:NO];
       [panel setCanSelectHiddenExtension:NO];
+      if(filter[0] != NULL)
+      {
+        [panel setAllowedFileTypes:fileTypes];
+      }
       [panel setTreatsFilePackagesAsDirectories:YES];
       [panel beginSheetModalForWindow:w->priv.window
                     completionHandler:^(NSInteger result) {

lib/stores/generate.go

@@ -0,0 +1,14 @@
+// Package stores
+package stores
+
+import "os"
+
+// Generate stores that are found in the project
+func Generate() error {
+	cwd, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	ParseProject(cwd)
+	return nil
+}

lib/stores/parse.go

@@ -0,0 +1,442 @@
+package stores
+
+import (
+	"fmt"
+	"go/ast"
+	"os"
+	"strings"
+
+	"github.com/leaanthony/slicer"
+	"golang.org/x/tools/go/packages"
+)
+
+var internalMethods = slicer.String([]string{"WailsInit", "Wails Shutdown"})
+
+var structCache = make(map[string]*ParsedStruct)
+var boundStructs = make(map[string]*ParsedStruct)
+var boundMethods = []string{}
+var boundStructPointerLiterals = []string{}
+var boundStructLiterals = slicer.StringSlicer{}
+var boundVariables = slicer.StringSlicer{}
+var app = ""
+var structPointerFunctionDecls = make(map[string]string)
+var structFunctionDecls = make(map[string]string)
+var variableStructDecls = make(map[string]string)
+var variableFunctionDecls = make(map[string]string)
+
+type Parameter struct {
+	Name string
+	Type string
+}
+
+type ParsedMethod struct {
+	Struct   string
+	Name     string
+	Comments []string
+	Inputs   []*Parameter
+	Returns  []*Parameter
+}
+
+type ParsedStruct struct {
+	Name    string
+	Methods []*ParsedMethod
+}
+
+type BoundStructs []*ParsedStruct
+
+func ParseProject(projectPath string) {
+
+	cfg := &packages.Config{Mode: packages.NeedFiles | packages.NeedSyntax | packages.NeedTypesInfo}
+	pkgs, err := packages.Load(cfg, projectPath)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "load: %v\n", err)
+		os.Exit(1)
+	}
+	if packages.PrintErrors(pkgs) > 0 {
+		os.Exit(1)
+	}
+
+	// Iterate the packages
+	for _, pkg := range pkgs {
+
+		// Iterate the files
+		for _, file := range pkg.Syntax {
+
+			var wailsPkgVar = ""
+
+			ast.Inspect(file, func(n ast.Node) bool {
+				switch x := n.(type) {
+				// Parse import declarations
+				case *ast.ImportSpec:
+					// Determine what wails has been imported as
+					if x.Path.Value == `"github.com/wailsapp/wails/v2"` {
+						wailsPkgVar = x.Name.Name
+					}
+				// Parse calls. We are looking for app.Bind() calls
+				case *ast.CallExpr:
+					f, ok := x.Fun.(*ast.SelectorExpr)
+					if ok {
+						n, ok := f.X.(*ast.Ident)
+						if ok {
+							//Check this is the Bind() call associated with the app variable
+							if n.Name == app && f.Sel.Name == "Bind" {
+								if len(x.Args) == 1 {
+									ce, ok := x.Args[0].(*ast.CallExpr)
+									if ok {
+										n, ok := ce.Fun.(*ast.Ident)
+										if ok {
+											// We found a bind method using a function call
+											// EG: app.Bind( newMyStruct() )
+											boundMethods = append(boundMethods, n.Name)
+										}
+									} else {
+										// We also want to check for Bind( &MyStruct{} )
+										ue, ok := x.Args[0].(*ast.UnaryExpr)
+										if ok {
+											if ue.Op.String() == "&" {
+												cl, ok := ue.X.(*ast.CompositeLit)
+												if ok {
+													t, ok := cl.Type.(*ast.Ident)
+													if ok {
+														// We have found Bind( &MyStruct{} )
+														boundStructPointerLiterals = append(boundStructPointerLiterals, t.Name)
+													}
+												}
+											}
+										} else {
+											// Let's check when the user binds a struct,
+											// rather than a struct pointer: Bind( MyStruct{} )
+											// We do this to provide better hints to the user
+											cl, ok := x.Args[0].(*ast.CompositeLit)
+											if ok {
+												t, ok := cl.Type.(*ast.Ident)
+												if ok {
+													boundStructLiterals.Add(t.Name)
+												}
+											} else {
+												// Also check for when we bind a variable
+												// myVariable := &MyStruct{}
+												// app.Bind( myVariable )
+												i, ok := x.Args[0].(*ast.Ident)
+												if ok {
+													boundVariables.Add(i.Name)
+												}
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+
+				// We scan assignments for a number of reasons:
+				//   * Determine the variable containing the main application
+				//   * Determine the type of variables that get used in Bind()
+				//   * Determine the type of variables that get created with var := &MyStruct{}
+				case *ast.AssignStmt:
+					for _, rhs := range x.Rhs {
+						ce, ok := rhs.(*ast.CallExpr)
+						if ok {
+							se, ok := ce.Fun.(*ast.SelectorExpr)
+							if ok {
+								i, ok := se.X.(*ast.Ident)
+								if ok {
+									// Have we found the wails package name?
+									if i.Name == wailsPkgVar {
+										// Check we are calling a function to create the app
+										if se.Sel.Name == "CreateApp" || se.Sel.Name == "CreateAppWithOptions" {
+											if len(x.Lhs) == 1 {
+												i, ok := x.Lhs[0].(*ast.Ident)
+												if ok {
+													// Found the app variable name
+													app = i.Name
+												}
+											}
+										}
+									}
+								}
+							} else {
+								// Check for function assignment
+								// a := newMyStruct()
+								fe, ok := ce.Fun.(*ast.Ident)
+								if ok {
+									if len(x.Lhs) == 1 {
+										i, ok := x.Lhs[0].(*ast.Ident)
+										if ok {
+											// Store the variable -> Function mapping
+											// so we can later resolve the type
+											variableFunctionDecls[i.Name] = fe.Name
+										}
+									}
+								}
+							}
+						} else {
+							// Check for literal assignment of struct
+							// EG: myvar := MyStruct{}
+							ue, ok := rhs.(*ast.UnaryExpr)
+							if ok {
+								cl, ok := ue.X.(*ast.CompositeLit)
+								if ok {
+									t, ok := cl.Type.(*ast.Ident)
+									if ok {
+										if len(x.Lhs) == 1 {
+											i, ok := x.Lhs[0].(*ast.Ident)
+											if ok {
+												variableStructDecls[i.Name] = t.Name
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				// We scan for functions to build up a list of function names
+				// for a number of reasons:
+				//   * Determine which functions are struct methods that are bound
+				//   * Determine
+				case *ast.FuncDecl:
+					if x.Recv != nil {
+						// This is a struct method
+						for _, field := range x.Recv.List {
+							se, ok := field.Type.(*ast.StarExpr)
+							if ok {
+								// This is a struct pointer method
+								i, ok := se.X.(*ast.Ident)
+								if ok {
+									// We want to ignore Internal functions
+									if internalMethods.Contains(x.Name.Name) {
+										continue
+									}
+									// If we haven't already found this struct,
+									// Create a placeholder in the cache
+									parsedStruct := structCache[i.Name]
+									if parsedStruct == nil {
+										structCache[i.Name] = &ParsedStruct{
+											Name: i.Name,
+										}
+										parsedStruct = structCache[i.Name]
+									}
+
+									// If this method is Public
+									if string(x.Name.Name[0]) == strings.ToUpper((string(x.Name.Name[0]))) {
+										structMethod := &ParsedMethod{
+											Struct: i.Name,
+											Name:   x.Name.Name,
+										}
+										// Check if the method has comments.
+										// If so, save it with the parsed method
+										if x.Doc != nil {
+											for _, comment := range x.Doc.List {
+												stringComment := strings.TrimPrefix(comment.Text, "//")
+												structMethod.Comments = append(structMethod.Comments, strings.TrimSpace(stringComment))
+											}
+										}
+
+										// Save the input parameters
+										if x.Type.Params != nil {
+											for _, inputField := range x.Type.Params.List {
+												t, ok := inputField.Type.(*ast.Ident)
+												if !ok {
+													continue
+												}
+												for _, name := range inputField.Names {
+													structMethod.Inputs = append(structMethod.Inputs, &Parameter{Name: name.Name, Type: t.Name})
+												}
+											}
+										}
+
+										// Save the output parameters
+										if x.Type.Results != nil {
+											for _, outputField := range x.Type.Results.List {
+												t, ok := outputField.Type.(*ast.Ident)
+												if !ok {
+													continue
+												}
+												if len(outputField.Names) == 0 {
+													structMethod.Returns = append(structMethod.Returns, &Parameter{Type: t.Name})
+												} else {
+													for _, name := range outputField.Names {
+														structMethod.Returns = append(structMethod.Returns, &Parameter{Name: name.Name, Type: t.Name})
+													}
+												}
+											}
+										}
+
+										// Append this method to the parsed struct
+										parsedStruct.Methods = append(parsedStruct.Methods, structMethod)
+
+									}
+								}
+							}
+						}
+					} else {
+						// This is a function declaration
+						// We care about its name and return type
+						// This will allow us to resolve types later
+						functionName := x.Name.Name
+
+						// Look for one that returns a single value
+						if x.Type != nil && x.Type.Results != nil && x.Type.Results.List != nil {
+							if len(x.Type.Results.List) == 1 {
+								// Check for *struct
+								t, ok := x.Type.Results.List[0].Type.(*ast.StarExpr)
+								if ok {
+									s, ok := t.X.(*ast.Ident)
+									if ok {
+										// println("*** Function", functionName, "found which returns: *"+s.Name)
+										structPointerFunctionDecls[functionName] = s.Name
+									}
+								} else {
+									// Check for functions that return a struct
+									// This is to help us provide hints if the user binds a struct
+									t, ok := x.Type.Results.List[0].Type.(*ast.Ident)
+									if ok {
+										// println("*** Function", functionName, "found which returns: "+t.Name)
+										structFunctionDecls[functionName] = t.Name
+									}
+								}
+							}
+						}
+					}
+				}
+				return true
+			})
+			// spew.Dump(file)
+		}
+	}
+
+	/***** Update bound structs ******/
+
+	// Resolve bound Methods
+	for _, method := range boundMethods {
+		s, ok := structPointerFunctionDecls[method]
+		if !ok {
+			s, ok = structFunctionDecls[method]
+			if !ok {
+				println("Fatal: Bind statement using", method, "but cannot find", method, "declaration")
+			} else {
+				println("Fatal: Cannot bind struct using method `" + method + "` because it returns a struct (" + s + "). Return a pointer to " + s + " instead.")
+			}
+			os.Exit(1)
+		}
+		structDefinition := structCache[s]
+		if structDefinition == nil {
+			println("Fatal: Bind statement using `"+method+"` but cannot find struct", s, "definition")
+			os.Exit(1)
+		}
+		boundStructs[s] = structDefinition
+	}
+
+	// Resolve bound vars
+	for _, structLiteral := range boundStructPointerLiterals {
+		s, ok := structCache[structLiteral]
+		if !ok {
+			println("Fatal: Bind statement using", structLiteral, "but cannot find", structLiteral, "declaration")
+			os.Exit(1)
+		}
+		boundStructs[structLiteral] = s
+	}
+
+	// Resolve bound variables
+	boundVariables.Each(func(variable string) {
+		v, ok := variableStructDecls[variable]
+		if !ok {
+			method, ok := variableFunctionDecls[variable]
+			if !ok {
+				println("Fatal: Bind statement using variable `" + variable + "` which does not resolve to a struct pointer")
+				os.Exit(1)
+			}
+
+			// Resolve function name
+			v, ok = structPointerFunctionDecls[method]
+			if !ok {
+				v, ok = structFunctionDecls[method]
+				if !ok {
+					println("Fatal: Bind statement using", method, "but cannot find", method, "declaration")
+				} else {
+					println("Fatal: Cannot bind variable `" + variable + "` because it resolves to a struct (" + v + "). Return a pointer to " + v + " instead.")
+				}
+				os.Exit(1)
+			}
+
+		}
+
+		s, ok := structCache[v]
+		if !ok {
+			println("Fatal: Bind statement using variable `" + variable + "` which resolves to a `" + v + "` but cannot find its declaration")
+			os.Exit(1)
+		}
+		boundStructs[v] = s
+
+	})
+
+	// Check for struct literals
+	boundStructLiterals.Each(func(structName string) {
+		println("Fatal: Cannot bind struct using struct literal `" + structName + "{}`. Create a pointer to " + structName + " instead.")
+		os.Exit(1)
+	})
+
+	// Check for bound variables
+	// boundVariables.Each(func(varName string) {
+	// 	println("Fatal: Cannot bind struct using struct literal `" + structName + "{}`. Create a pointer to " + structName + " instead.")
+	// })
+
+	// spew.Dump(boundStructs)
+	// os.Exit(0)
+
+	// }
+	// Inspect the AST and print all identifiers and literals.
+
+	println("export {")
+
+	noOfStructs := len(boundStructs)
+	structCount := 0
+	for _, s := range boundStructs {
+		structCount++
+		println()
+		println("  " + s.Name + ": {")
+		println()
+		noOfMethods := len(s.Methods)
+		for methodCount, m := range s.Methods {
+			println("   /****************")
+			for _, comment := range m.Comments {
+				println("    *", comment)
+			}
+			if len(m.Comments) > 0 {
+				println("    *")
+			}
+			inputNames := ""
+			for _, input := range m.Inputs {
+				println("    * @param {"+input.Type+"}", input.Name)
+				inputNames += input.Name + ", "
+			}
+			print("    * @return Promise<")
+			for _, output := range m.Returns {
+				print(output.Type + "|")
+			}
+			println("Error>")
+			println("    *")
+			println("    ***/")
+			if len(inputNames) > 2 {
+				inputNames = inputNames[:len(inputNames)-2]
+			}
+			println("   ", m.Name+": function("+inputNames+") {")
+			println("     return window.backend." + s.Name + "." + m.Name + "(" + inputNames + ");")
+			print("    }")
+			if methodCount < noOfMethods-1 {
+				print(",")
+			}
+			println()
+			println()
+		}
+		print("  }")
+		if structCount < noOfStructs-1 {
+			print(",")
+		}
+		println()
+	}
+	println()
+	println("}")
+	println()
+
+}

runtime/dialog.go

@@ -1,6 +1,7 @@
 package runtime
 
 import "github.com/wailsapp/wails/lib/interfaces"
+import "strings"
 
 // Dialog exposes an interface to native dialogs
 type Dialog struct {
@@ -15,8 +16,16 @@ func NewDialog(renderer interfaces.Renderer) *Dialog {
 }
 
 // SelectFile prompts the user to select a file
-func (r *Dialog) SelectFile() string {
-	return r.renderer.SelectFile()
+func (r *Dialog) SelectFile(params ...string) string {
+	title := "Select File"
+	filter := ""
+	if len(params) > 0 {
+		title = params[0]
+	}
+	if len(params) > 1 {
+		filter = strings.Replace(params[1], " ", "", -1)
+	}
+	return r.renderer.SelectFile(title, filter)
 }
 
 // SelectDirectory prompts the user to select a directory
@@ -25,6 +34,14 @@ func (r *Dialog) SelectDirectory() string {
 }
 
 // SelectSaveFile prompts the user to select a file for saving
-func (r *Dialog) SelectSaveFile() string {
-	return r.renderer.SelectSaveFile()
+func (r *Dialog) SelectSaveFile(params ...string) string {
+	title := "Select Save"
+	filter := ""
+	if len(params) > 0 {
+		title = params[0]
+	}
+	if len(params) > 1 {
+		filter = strings.Replace(params[1], " ", "", -1)
+	}
+	return r.renderer.SelectSaveFile(title, filter)
 }

runtime/filesystem.go

@@ -1,9 +1,9 @@
 package runtime
 
-import homedir "github.com/mitchellh/go-homedir"
+import "os"
 
 // FileSystem exposes file system utilities to the runtime
-type FileSystem struct {}
+type FileSystem struct{}
 
 // NewFileSystem creates a new FileSystem struct
 func NewFileSystem() *FileSystem {
@@ -12,5 +12,5 @@ func NewFileSystem() *FileSystem {
 
 // HomeDir returns the user's home directory
 func (r *FileSystem) HomeDir() (string, error) {
-	return homedir.Dir()
+	return os.UserHomeDir()
 }

runtime/js/package.json

@@ -29,15 +29,15 @@
   },
   "homepage": "https://github.com/wailsapp/runtime#readme",
   "devDependencies": {
-    "@babel/cli": "^7.5.0",
-    "@babel/core": "^7.5.4",
-    "@babel/plugin-transform-object-assign": "^7.2.0",
-    "@babel/preset-env": "^7.5.4",
-    "babel-loader": "^8.0.6",
-    "babel-preset-minify": "^0.5.0",
-    "core-js": "^3.1.4",
-    "eslint": "^6.5.1",
-    "webpack": "^4.35.3",
-    "webpack-cli": "^3.3.5"
+    "@babel/cli": "^7.11.5",
+    "@babel/core": "^7.11.5",
+    "@babel/plugin-transform-object-assign": "^7.10.4",
+    "@babel/preset-env": "^7.11.5",
+    "babel-loader": "^8.1.0",
+    "babel-preset-minify": "^0.5.1",
+    "core-js": "^3.6.5",
+    "eslint": "^7.8.1",
+    "webpack": "^4.44.1",
+    "webpack-cli": "^3.3.12"
   }
 }