[v2] Generate module command. Updated wails dev

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

@@ -3,6 +3,7 @@ package dev
 import (
 	"context"
 	"fmt"
+	"github.com/wailsapp/wails/v2/internal/shell"
 	"io"
 	"net/http"
 	"os"
@@ -106,6 +107,13 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 			return err
 		}
 
+		// Generate wailsjs module
+		LogGreen("Generating wailsjs module...")
+		_, _, err = shell.RunCommand(cwd, "wails", "generate", "module")
+		if err != nil {
+			return err
+		}
+
 		// frontend:dev server command
 		if projectConfig.DevCommand != "" {
 			var devCommandWaitGroup sync.WaitGroup

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

@@ -6,8 +6,6 @@ import (
 	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/generate/template"
 
 	"github.com/leaanthony/clir"
-	"github.com/wailsapp/wails/v2/pkg/clilogger"
-	"github.com/wailsapp/wails/v2/pkg/parser"
 )
 
 // AddSubcommand adds the `generate` command for the Wails application
@@ -15,34 +13,11 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 	command := app.NewSubCommand("generate", "Code Generation Tools")
 
-	//AddModuleCommand(app, command, w)
+	err := AddModuleCommand(app, command, w)
+	if err != nil {
+		return err
+	}
 	template.AddSubCommand(app, command, w)
 
 	return nil
 }
-
-func logPackage(pkg *parser.Package, logger *clilogger.CLILogger) {
-
-	logger.Println("Processed Go package '" + pkg.Gopackage.Name + "' as '" + pkg.Name + "'")
-	for _, strct := range pkg.Structs() {
-		logger.Println("")
-		logger.Println("  Processed struct '" + strct.Name + "'")
-		if strct.IsBound {
-			for _, method := range strct.Methods {
-				logger.Println("    Bound method '" + method.Name + "'")
-			}
-		}
-		if strct.IsUsedAsData {
-			for _, field := range strct.Fields {
-				if !field.Ignored {
-					logger.Print("    Processed ")
-					if field.IsOptional {
-						logger.Print("optional ")
-					}
-					logger.Println("field '" + field.Name + "' as '" + field.JSName() + "'")
-				}
-			}
-		}
-	}
-	logger.Println("")
-}

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

@@ -1,58 +1,50 @@
 package generate
 
 import (
-	"io"
-	"time"
-
 	"github.com/leaanthony/clir"
-	"github.com/wailsapp/wails/v2/pkg/clilogger"
+	"github.com/wailsapp/wails/v2/internal/shell"
-	"github.com/wailsapp/wails/v2/pkg/parser"
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
 )
 
-func AddModuleCommand(app *clir.Cli, parent *clir.Command, w io.Writer) {
+// AddModuleCommand adds the `module` subcommand for the `generate` command
+func AddModuleCommand(app *clir.Cli, parent *clir.Command, w io.Writer) error {
 
-	// Backend API
+	command := parent.NewSubCommand("module", "Generate wailsjs modules")
-	backendAPI := parent.NewSubCommand("module", "Generates a JS module for the frontend to interface with the backend")
 
-	// Quiet Init
+	command.Action(func() error {
-	quiet := false
-	backendAPI.BoolFlag("q", "Suppress output to console", &quiet)
 
-	backendAPI.Action(func() error {
+		filename := "wailsbindings"
+		if runtime.GOOS == "windows" {
+			filename += ".exe"
+		}
+		// go build -tags bindings -o bindings.exe
+		tempDir := os.TempDir()
+		filename = filepath.Join(tempDir, filename)
 
-		// Create logger
+		cwd, err := os.Getwd()
-		logger := clilogger.New(w)
-		logger.Mute(quiet)
-
-		app.PrintBanner()
-
-		logger.Print("Generating Javascript module for Go code...")
-
-		// Start Time
-		start := time.Now()
-
-		p, err := parser.GenerateWailsFrontendPackage()
 		if err != nil {
 			return err
 		}
 
-		logger.Println("done.")
+		_, _, err = shell.RunCommand(cwd, "go", "build", "-tags", "bindings", "-o", filename)
-		logger.Println("")
+		if err != nil {
-
+			return err
-		elapsed := time.Since(start)
-		packages := p.Packages
-
-		// Print report
-		for _, pkg := range p.Packages {
-			if pkg.ShouldGenerate() {
-				logPackage(pkg, logger)
-			}
-
 		}
 
-		logger.Println("%d packages parsed in %s.", len(packages), elapsed)
+		_, _, err = shell.RunCommand(cwd, filename)
+		if err != nil {
+			return err
+		}
+
+		err = os.Remove(filename)
+		if err != nil {
+			return err
+		}
 
 		return nil
-
 	})
+	return nil
 }

v2/internal/appng/app_bindings.go

@@ -0,0 +1,105 @@
+//go:build bindings
+// +build bindings
+
+package appng
+
+import (
+	"github.com/leaanthony/gosod"
+	"github.com/wailsapp/wails/v2/internal/binding"
+	wailsRuntime "github.com/wailsapp/wails/v2/internal/frontend/runtime"
+	"github.com/wailsapp/wails/v2/internal/frontend/runtime/wrapper"
+	"github.com/wailsapp/wails/v2/internal/fs"
+	"github.com/wailsapp/wails/v2/internal/logger"
+	"github.com/wailsapp/wails/v2/internal/project"
+	"github.com/wailsapp/wails/v2/pkg/options"
+	"os"
+	"path/filepath"
+)
+
+// App defines a Wails application structure
+type App struct {
+	logger     *logger.Logger
+	appoptions *options.App
+}
+
+func (a *App) Run() error {
+
+	// Create binding exemptions - Ugly hack. There must be a better way
+	bindingExemptions := []interface{}{a.appoptions.OnStartup, a.appoptions.OnShutdown, a.appoptions.OnDomReady}
+	appBindings := binding.NewBindings(a.logger, a.appoptions.Bind, bindingExemptions)
+
+	err := generateBindings(appBindings)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// CreateApp creates the app!
+func CreateApp(appoptions *options.App) (*App, error) {
+	// Set up logger
+	myLogger := logger.New(appoptions.Logger)
+	myLogger.SetLogLevel(appoptions.LogLevel)
+
+	result := &App{
+		logger:     myLogger,
+		appoptions: appoptions,
+	}
+
+	return result, nil
+
+}
+
+func generateBindings(bindings *binding.Bindings) error {
+
+	cwd, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	projectConfig, err := project.Load(cwd)
+	if err != nil {
+		return err
+	}
+
+	wrapperDir := filepath.Join(projectConfig.WailsJSDir, "wailsjs", "runtime")
+	_ = os.RemoveAll(wrapperDir)
+	extractor := gosod.New(wrapper.RuntimeWrapper)
+	err = extractor.Extract(wrapperDir, nil)
+	if err != nil {
+		return err
+	}
+
+	//ipcdev.js
+	err = os.WriteFile(filepath.Join(wrapperDir, "ipcdev.js"), wailsRuntime.DesktopIPC, 0755)
+	if err != nil {
+		return err
+	}
+	//runtimedev.js
+	err = os.WriteFile(filepath.Join(wrapperDir, "runtimedev.js"), wailsRuntime.RuntimeDesktopJS, 0755)
+	if err != nil {
+		return err
+	}
+
+	targetDir := filepath.Join(projectConfig.WailsJSDir, "wailsjs", "go")
+	err = os.RemoveAll(targetDir)
+	if err != nil {
+		return err
+	}
+	_ = fs.MkDirs(targetDir)
+
+	modelsFile := filepath.Join(targetDir, "models.ts")
+	err = bindings.WriteTS(modelsFile)
+	if err != nil {
+		return err
+	}
+
+	// Write backend method wrappers
+	bindingsFilename := filepath.Join(targetDir, "bindings.js")
+	err = bindings.GenerateBackendJS(bindingsFilename, true)
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}

v2/internal/appng/app_default_windows.go

@@ -1,4 +1,4 @@
-//go:build !dev && !production && windows
+//go:build !dev && !production && !bindings && windows
 
 package appng
 

v2/internal/appng/app_dev.go

@@ -162,7 +162,7 @@ func generateBindings(bindings *binding.Bindings) error {
 
 	// Write backend method wrappers
 	bindingsFilename := filepath.Join(targetDir, "bindings.js")
-	err = bindings.GenerateBackendJS(bindingsFilename)
+	err = bindings.GenerateBackendJS(bindingsFilename, false)
 	if err != nil {
 		return err
 	}

v2/internal/binding/generate.go

@@ -16,7 +16,7 @@ import (
 //go:embed assets/package.json
 var packageJSON []byte
 
-func (b *Bindings) GenerateBackendJS(targetfile string) error {
+func (b *Bindings) GenerateBackendJS(targetfile string, isDevBindings bool) error {
 
 	store := b.db.store
 	var output bytes.Buffer
@@ -24,8 +24,18 @@ func (b *Bindings) GenerateBackendJS(targetfile string) error {
 	output.WriteString(`// @ts-check
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
+`)
 
-const go = {`)
+	if isDevBindings {
+		json, err := b.ToJSON()
+		if err != nil {
+			return err
+		}
+		output.WriteString("window.wailsbindings = " + json + ";")
+		output.WriteString("\n")
+	}
+
+	output.WriteString(`const go = {`)
 	output.WriteString("\n")
 
 	var sortedPackageNames slicer.StringSlicer

v2/internal/frontend/runtime/runtime_dev_desktop.go

@@ -1,3 +1,5 @@
+//go:build dev || bindings || (!dev && !production && !bindings)
+
 package runtime
 
 import _ "embed"