Making product information from the wails.json available at runtime on Go and JavaScript ends via runtime::ProductInfo.

v2/internal/app/app_dev.go

@@ -45,6 +45,7 @@ func CreateApp(appoptions *options.App) (*App, error) {
 	ctx := context.Background()
 	ctx = context.WithValue(ctx, "debug", true)
 	ctx = context.WithValue(ctx, "devtoolsEnabled", true)
+	ctx = injectProductInfo(ctx)
 
 	// Set up logger if the appoptions.LogLevel is an invalid value, set it to the default log level
 	appoptions.LogLevel, err = pkglogger.StringToLogLevel(appoptions.LogLevel.String())

v2/internal/app/app_product_info.go

@@ -0,0 +1,19 @@
+package app
+
+import "context"
+
+var (
+	ProductName    = "Unset"
+	ProductVersion = "Unset"
+	CompanyName    = "Unset"
+	Copyright      = "Unset"
+	Comments       = "Unset"
+)
+
+func injectProductInfo(ctx context.Context) context.Context {
+	ctx = context.WithValue(ctx, "productName", ProductName)
+	ctx = context.WithValue(ctx, "productVersion", ProductVersion)
+	ctx = context.WithValue(ctx, "companyName", CompanyName)
+	ctx = context.WithValue(ctx, "copyright", Copyright)
+	return context.WithValue(ctx, "comments", Comments)
+}

v2/internal/app/app_production.go

@@ -37,6 +37,7 @@ func CreateApp(appoptions *options.App) (*App, error) {
 	devtoolsEnabled := IsDevtoolsEnabled()
 	ctx = context.WithValue(ctx, "debug", debug)
 	ctx = context.WithValue(ctx, "devtoolsEnabled", devtoolsEnabled)
+	ctx = injectProductInfo(ctx)
 
 	// Set up logger
 	myLogger := logger.New(appoptions.Logger)

v2/internal/frontend/dispatcher/systemcalls.go

@@ -46,6 +46,8 @@ func (d *Dispatcher) processSystemCall(payload callMessage, sender frontend.Fron
 		return sender.WindowIsFullscreen(), nil
 	case "Environment":
 		return runtime.Environment(d.ctx), nil
+	case "ProductInfo":
+		return runtime.ProductInfo(d.ctx), nil
 	case "ClipboardGetText":
 		t, err := sender.ClipboardGetText()
 		return t, err

v2/internal/frontend/runtime/desktop/main.js

@@ -44,6 +44,10 @@ export function Environment() {
     return Call(":wails:Environment");
 }
 
+export function ProductInfo() {
+  return Call(":wails:ProductInfo");
+}
+
 // The JS runtime
 window.runtime = {
     ...Log,
@@ -59,6 +63,7 @@ window.runtime = {
     EventsOff,
     EventsOffAll,
     Environment,
+    ProductInfo,
     Show,
     Hide,
     Quit

v2/internal/frontend/runtime/wrapper/runtime.d.ts

@@ -32,6 +32,15 @@ export interface EnvironmentInfo {
     arch: string;
 }
 
+// ProductBuildInfo contains product information from the original wails.json file
+export interface ProductBuildInfo {
+  productName: string;
+  productVersion: string;
+  companyName: string;
+  copyright: string;
+  comments: string;
+}
+
 // [EventsEmit](https://wails.io/docs/reference/runtime/events#eventsemit)
 // emits the given event. Optional data may be passed with the event.
 // This will trigger any event listeners.
@@ -214,6 +223,9 @@ export function BrowserOpenURL(url: string): void;
 // Returns information about the environment
 export function Environment(): Promise<EnvironmentInfo>;
 
+// Returns product information from the original wails.json file
+export function ProductInfo(): Promise<ProductBuildInfo>;
+
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
 export function Quit(): void;

v2/internal/frontend/runtime/wrapper/runtime.js

@@ -185,6 +185,10 @@ export function Environment() {
     return window.runtime.Environment();
 }
 
+export function ProductInfo() {
+  return window.runtime.ProductInfo();
+}
+
 export function Quit() {
     window.runtime.Quit();
 }

v2/pkg/commands/build/base.go

@@ -258,6 +258,18 @@ func (b *BaseBuilder) CompileProject(options *Options) error {
 		}
 	}
 
+	// Inject the product info variable values
+	productInfo := options.ProjectData.Info
+	ldflags.Add("-X", fmt.Sprintf("'internal.app.ProductName=%s'", productInfo.ProductName))
+	ldflags.Add("-X", fmt.Sprintf("'internal.app.ProductVersion=%s'", productInfo.ProductVersion))
+	ldflags.Add("-X", fmt.Sprintf("'internal.app.CompanyName=%s'", productInfo.CompanyName))
+	if productInfo.Copyright != nil {
+		ldflags.Add("-X", fmt.Sprintf("'internal.app.Copyright=%s'", *productInfo.Copyright))
+	}
+	if productInfo.Comments != nil {
+		ldflags.Add("-X", fmt.Sprintf("'internal.app.Comments=%s'", *productInfo.Comments))
+	}
+
 	ldflags.Deduplicate()
 
 	if ldflags.Length() > 0 {

v2/pkg/runtime/runtime.go

@@ -105,3 +105,44 @@ func Environment(ctx context.Context) EnvironmentInfo {
 	result.Arch = goruntime.GOARCH
 	return result
 }
+
+// ProductBuildInfo contains product information from the original wails.json file
+type ProductBuildInfo struct {
+	ProductName    string `json:"productName"`
+	ProductVersion string `json:"productVersion"`
+	CompanyName    string `json:"companyName"`
+	Copyright      string `json:"copyright"`
+	Comments       string `json:"comments"`
+}
+
+// ProductInfo returns product information from the original wails.json file
+func ProductInfo(ctx context.Context) ProductBuildInfo {
+	productBuildInfo := ProductBuildInfo{
+		ProductName:    "Unset",
+		ProductVersion: "Unset",
+		CompanyName:    "Unset",
+		Copyright:      "Unset",
+		Comments:       "Unset",
+	}
+	productName := ctx.Value("productName")
+	if productName != nil {
+		productBuildInfo.ProductName = productName.(string)
+	}
+	productVersion := ctx.Value("productVersion")
+	if productVersion != nil {
+		productBuildInfo.ProductVersion = productVersion.(string)
+	}
+	companyName := ctx.Value("companyName")
+	if companyName != nil {
+		productBuildInfo.CompanyName = companyName.(string)
+	}
+	copyright := ctx.Value("copyright")
+	if copyright != nil {
+		productBuildInfo.Copyright = copyright.(string)
+	}
+	comments := ctx.Value("comments")
+	if comments != nil {
+		productBuildInfo.Comments = comments.(string)
+	}
+	return productBuildInfo
+}