WIP

v2/go.mod

@@ -11,11 +11,13 @@ require (
 	github.com/matryer/is v1.4.0
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/olekukonko/tablewriter v0.0.4
+	github.com/pkg/errors v0.9.1
 	github.com/tdewolff/minify v2.3.6+incompatible
 	github.com/tdewolff/minify/v2 v2.9.5
 	github.com/tdewolff/parse v2.3.4+incompatible // indirect
 	github.com/xyproto/xpm v1.2.1
 	golang.org/x/net v0.0.0-20200822124328-c89045814202
+	golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c
 	golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82
 	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 	nhooyr.io/websocket v1.8.6

v2/go.sum

@@ -63,6 +63,8 @@ github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWb
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/olekukonko/tablewriter v0.0.4 h1:vHD/YYe1Wolo78koG299f7V/VAS08c6IpCLn+Ejf/w8=
 github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=

v2/internal/system/operatingsystem/os_windows.go

@@ -0,0 +1,29 @@
+package operatingsystem
+
+import (
+	"fmt"
+
+	"golang.org/x/sys/windows/registry"
+)
+
+func platformInfo() (*OS, error) {
+	// Default value
+	var result OS
+	result.ID = "Unknown"
+	result.Name = "Windows"
+	result.Version = "Unknown"
+
+	// Credit: https://stackoverflow.com/a/33288328
+	// Ignore errors as it isn't a showstopper
+	key, _ := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
+
+	defer key.Close()
+
+	fmt.Printf("%+v\n", key)
+
+	// Ignore errors as it isn't a showstopper
+	productName, _, _ := key.GetStringValue("ProductName")
+	fmt.Println(productName)
+
+	return nil, nil
+}

v2/internal/system/system_windows.go

@@ -2,14 +2,20 @@
 
 package system
 
-import (
-	"fmt"
-	"syscall"
-)
+import "github.com/wailsapp/wails/v2/internal/system/operatingsystem"
 
-func (i *Info) discover() {
-	dll := syscall.MustLoadDLL("kernel32.dll")
-	p := dll.MustFindProc("GetVersion")
-	v, _, _ := p.Call()
-	fmt.Printf("Windows version %d.%d (Build %d)\n", byte(v), uint8(v>>8), uint16(v>>16))
+func (i *Info) discover() error {
+
+	var err error
+	osinfo, err := operatingsystem.Info()
+	if err != nil {
+		return err
+	}
+	i.OS = osinfo
+
+	// dll := syscall.MustLoadDLL("kernel32.dll")
+	// p := dll.MustFindProc("GetVersion")
+	// v, _, _ := p.Call()
+	// fmt.Printf("Windows version %d.%d (Build %d)\n", byte(v), uint8(v>>8), uint16(v>>16))
+	return nil
 }

v2/pkg/commands/build/backendjs.go

@@ -0,0 +1,40 @@
+package build
+
+import (
+	"path/filepath"
+
+	"github.com/pkg/errors"
+	"github.com/wailsapp/wails/v2/internal/fs"
+)
+
+// GenerateBackendJSPackage will attempt to create the backend javascript package
+// used by the frontend to access methods and structs
+func GenerateBackendJSPackage(options *Options) error {
+
+	// Create directory
+	err := createBackendJSDirectory()
+	if err != nil {
+		return errors.Wrap(err, "Error Generating Backend JS Package")
+	}
+
+	// Generate index.js
+
+	// Generate Method wrappers
+	// err = generateMethodWrappers()
+
+	// Generate Structs
+
+	//
+
+	return nil
+}
+
+func createBackendJSDirectory() error {
+
+	// Path to package dir
+	packageDir, err := filepath.Abs("./frontend/backend")
+	if err != nil {
+		return err
+	}
+	return fs.Mkdir(packageDir)
+}

v2/pkg/commands/build/build.go

@@ -89,6 +89,14 @@ func Build(options *Options) (string, error) {
 	// Initialise Builder
 	builder.SetProjectData(projectData)
 
+	// Generate Frontend JS Package
+	outputLogger.Print("  - Generating Backend JS Package")
+	err = GenerateBackendJSPackage(options)
+	if err != nil {
+		return "", err
+	}
+	outputLogger.Println("done.")
+
 	if !options.IgnoreFrontend {
 		outputLogger.Println("  - Building Wails Frontend")
 		err = builder.BuildFrontend(outputLogger)
@@ -115,6 +123,7 @@ func Build(options *Options) (string, error) {
 		return "", err
 	}
 	outputLogger.Println("done.")
+
 	// Do we need to pack the app?
 	if options.Pack {
 

v2/pkg/commands/build/packager_windows.go

@@ -0,0 +1,6 @@
+package build
+
+func packageApplication(options *Options) error {
+	// TBD
+	return nil
+}