v2.0.0-alpha.28

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

@@ -5,12 +5,13 @@ import (
 	"io"
 	"os"
 	"os/signal"
+	"path/filepath"
 	"runtime"
 	"strings"
 	"syscall"
 	"time"
 
-	"github.com/pkg/errors"
+	"github.com/wailsapp/wails/v2/internal/colour"
 
 	"github.com/fsnotify/fsnotify"
 	"github.com/leaanthony/clir"
@@ -20,6 +21,21 @@ import (
 	"github.com/wailsapp/wails/v2/pkg/commands/build"
 )
 
+func LogGreen(message string, args ...interface{}) {
+	text := fmt.Sprintf(message, args...)
+	println(colour.Green(text))
+}
+
+func LogRed(message string, args ...interface{}) {
+	text := fmt.Sprintf(message, args...)
+	println(colour.Red(text))
+}
+
+func LogDarkYellow(message string, args ...interface{}) {
+	text := fmt.Sprintf(message, args...)
+	println(colour.DarkYellow(text))
+}
+
 // AddSubcommand adds the `dev` command for the Wails application
 func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
@@ -52,7 +68,6 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		defer watcher.Close()
 
 		var debugBinaryProcess *process.Process = nil
-		var buildFrontend bool = false
 		var extensionsThatTriggerARebuild = strings.Split(extensions, ",")
 
 		// Setup signal handler
@@ -63,7 +78,10 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 		// Do initial build
 		logger.Println("Building application for development...")
-		debugBinaryProcess, err = restartApp(logger, "dev", ldflags, compilerCommand, debugBinaryProcess)
+		newProcess, err := restartApp(logger, "dev", ldflags, compilerCommand, debugBinaryProcess)
+		if newProcess != nil {
+			debugBinaryProcess = newProcess
+		}
 		if err != nil {
 			return err
 		}
@@ -79,7 +97,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 						if err != nil {
 							logger.Fatal("%s", err.Error())
 						}
-						logger.Println("Watching directory: %s", event.Name)
+						LogGreen("[New Directory] Watching new directory: %s", event.Name)
 					}
 				}
 				return
@@ -88,28 +106,22 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 			// Check for file writes
 			if event.Op&fsnotify.Write == fsnotify.Write {
 
-				logger.Println("modified file: %s", event.Name)
 				var rebuild bool = false
 
 				// Iterate all file patterns
 				for _, pattern := range extensionsThatTriggerARebuild {
-					rebuild = strings.HasSuffix(event.Name, pattern)
-					if err != nil {
-						logger.Fatal(err.Error())
-					}
-					if rebuild {
-						// Only build frontend when the file isn't a Go file
-						buildFrontend = !strings.HasSuffix(event.Name, "go")
+					if strings.HasSuffix(event.Name, pattern) {
+						rebuild = true
 						break
 					}
 				}
 
 				if !rebuild {
-					logger.Println("Filename change: %s did not match extension list (%s)", event.Name, extensions)
+					LogDarkYellow("[File change] %s did not match extension list (%s)", event.Name, extensions)
 					return
 				}
 
-				logger.Println("Partial build triggered: %s updated", event.Name)
+				LogGreen("[Attempting rebuild] %s updated", event.Name)
 
 				// Do a rebuild
 
@@ -128,23 +140,28 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		})
 
 		// Get project dir
-		dir, err := os.Getwd()
+		projectDir, err := os.Getwd()
 		if err != nil {
 			return err
 		}
 
 		// Get all subdirectories
-		dirs, err := fs.GetSubdirectories(dir)
+		dirs, err := fs.GetSubdirectories(projectDir)
 		if err != nil {
 			return err
 		}
 
+		LogGreen("Watching (sub)/directory: %s", projectDir)
+
 		// Setup a watcher for non-node_modules directories
 		dirs.Each(func(dir string) {
 			if strings.Contains(dir, "node_modules") {
 				return
 			}
-			logger.Println("Watching directory: %s", dir)
+			// Ignore build directory
+			if strings.HasPrefix(dir, filepath.Join(projectDir, "build")) {
+				return
+			}
 			err = watcher.Add(dir)
 			if err != nil {
 				logger.Fatal(err.Error())
@@ -156,7 +173,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 		for quit == false {
 			select {
 			case <-quitChannel:
-				println("Caught quit")
+				LogGreen("\nCaught quit")
 				// Notify debouncer to quit
 				debounceQuit <- true
 				quit = true
@@ -171,7 +188,7 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 			}
 		}
 
-		logger.Println("Development mode exited")
+		LogGreen("Development mode exited")
 
 		return nil
 	})
@@ -203,10 +220,10 @@ func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string,
 	appBinary, err := buildApp(logger, outputType, ldflags, compilerCommand)
 	println()
 	if err != nil {
-		logger.Fatal(err.Error())
-		return nil, errors.Wrap(err, "Build Failed:")
+		LogRed("Build error - continuing to run current version")
+		LogDarkYellow(err.Error())
+		return nil, nil
 	}
-	logger.Println("Build new binary: %s", appBinary)
 
 	// Kill existing binary if need be
 	if debugBinaryProcess != nil {
@@ -239,7 +256,7 @@ func restartApp(logger *clilogger.CLILogger, outputType string, ldflags string,
 func buildApp(logger *clilogger.CLILogger, outputType string, ldflags string, compilerCommand string) (string, error) {
 
 	// Create random output file
-	outputFile := fmt.Sprintf("debug-%d", time.Now().Unix())
+	outputFile := fmt.Sprintf("dev-%d", time.Now().Unix())
 
 	// Create BuildOptions
 	buildOptions := &build.Options{

v2/cmd/wails/main.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"fmt"
 	"os"
 
+	"github.com/wailsapp/wails/v2/internal/colour"
+
 	"github.com/wailsapp/wails/v2/cmd/wails/internal/commands/update"
 
 	"github.com/leaanthony/clir"
@@ -19,12 +22,18 @@ func fatal(message string) {
 	os.Exit(1)
 }
 
+func banner(_ *clir.Cli) string {
+	return fmt.Sprintf("%s %s - Go/HTML Application Framework", colour.Yellow("Wails"), colour.DarkRed(version))
+}
+
 func main() {
 
 	var err error
 
 	app := clir.NewCli("Wails", "Go/HTML Application Framework", version)
 
+	app.SetBannerFunction(banner)
+
 	build.AddBuildSubcommand(app, os.Stdout)
 	err = initialise.AddSubcommand(app, os.Stdout)
 	if err != nil {

v2/cmd/wails/version.go

@@ -1,3 +1,3 @@
 package main
 
-var version = "v2.0.0-alpha.26"
+var version = "v2.0.0-alpha.28"

v2/go.mod

@@ -20,9 +20,9 @@ require (
 	github.com/tdewolff/minify v2.3.6+incompatible
 	github.com/tdewolff/parse v2.3.4+incompatible // indirect
 	github.com/tdewolff/test v1.0.6 // indirect
+	github.com/wzshiming/ctc v1.2.3
 	github.com/xyproto/xpm v1.2.1
 	golang.org/x/net v0.0.0-20200822124328-c89045814202
-	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
 	golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c
 	golang.org/x/tools v0.0.0-20200902012652-d1954cc86c82
 	nhooyr.io/websocket v1.8.6

v2/go.sum

@@ -78,6 +78,10 @@ github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
+github.com/wzshiming/ctc v1.2.3 h1:q+hW3IQNsjIlOFBTGZZZeIXTElFM4grF4spW/errh/c=
+github.com/wzshiming/ctc v1.2.3/go.mod h1:2tVAtIY7SUyraSk0JxvwmONNPFL4ARavPuEsg5+KA28=
+github.com/wzshiming/winseq v0.0.0-20200112104235-db357dc107ae h1:tpXvBXC3hpQBDCc9OojJZCQMVRAbT3TTdUMP8WguXkY=
+github.com/wzshiming/winseq v0.0.0-20200112104235-db357dc107ae/go.mod h1:VTAq37rkGeV+WOybvZwjXiJOicICdpLCN8ifpISjK20=
 github.com/xyproto/xpm v1.2.1 h1:trdvGjjWBsOOKzBBUPT6JvaIQM3acJEEYfbxN7M96wg=
 github.com/xyproto/xpm v1.2.1/go.mod h1:cMnesLsD0PBXLgjDfTDEaKr8XyTFsnP1QycSqRw7BiY=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -92,11 +96,10 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up
 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/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs=
-golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200107162124-548cf772de50/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200724161237-0e2f3a69832c h1:UIcGWL6/wpCfyGuJnRFJRurA+yj8RrW7Q6x2YMCXt6c=

v2/internal/colour/colour.go

@@ -0,0 +1,89 @@
+package colour
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/wzshiming/ctc"
+)
+
+func Col(col ctc.Color, text string) string {
+	return fmt.Sprintf("%s%s%s", col, text, ctc.Reset)
+}
+
+func Yellow(text string) string {
+	return Col(ctc.ForegroundBrightYellow, text)
+}
+
+func Red(text string) string {
+	return Col(ctc.ForegroundBrightRed, text)
+}
+
+func Blue(text string) string {
+	return Col(ctc.ForegroundBrightBlue, text)
+}
+
+func Green(text string) string {
+	return Col(ctc.ForegroundBrightGreen, text)
+}
+
+func Cyan(text string) string {
+	return Col(ctc.ForegroundBrightCyan, text)
+}
+
+func Magenta(text string) string {
+	return Col(ctc.ForegroundBrightMagenta, text)
+}
+
+func White(text string) string {
+	return Col(ctc.ForegroundBrightWhite, text)
+}
+
+func Black(text string) string {
+	return Col(ctc.ForegroundBrightBlack, text)
+}
+
+func DarkYellow(text string) string {
+	return Col(ctc.ForegroundYellow, text)
+}
+
+func DarkRed(text string) string {
+	return Col(ctc.ForegroundRed, text)
+}
+
+func DarkBlue(text string) string {
+	return Col(ctc.ForegroundBlue, text)
+}
+
+func DarkGreen(text string) string {
+	return Col(ctc.ForegroundGreen, text)
+}
+
+func DarkCyan(text string) string {
+	return Col(ctc.ForegroundCyan, text)
+}
+
+func DarkMagenta(text string) string {
+	return Col(ctc.ForegroundMagenta, text)
+}
+
+func DarkWhite(text string) string {
+	return Col(ctc.ForegroundWhite, text)
+}
+
+func DarkBlack(text string) string {
+	return Col(ctc.ForegroundBlack, text)
+}
+
+var rainbowCols = []func(string) string{Red, Yellow, Green, Cyan, Blue, Magenta}
+
+func Rainbow(text string) string {
+	var builder strings.Builder
+
+	for i := 0; i < len(text); i++ {
+		fn := rainbowCols[i%len(rainbowCols)]
+		builder.WriteString(fn(text[i : i+1]))
+	}
+
+	return builder.String()
+}

v2/internal/process/process.go

@@ -39,7 +39,12 @@ func (p *Process) Start() error {
 
 	go func(cmd *exec.Cmd, running *bool, logger *clilogger.CLILogger, exitChannel chan bool) {
 		logger.Println("Starting process (PID: %d)", cmd.Process.Pid)
-		cmd.Wait()
+		err := cmd.Wait()
+		if err != nil {
+			if err.Error() != "signal: killed" {
+				logger.Fatal("Fatal error from app: " + err.Error())
+			}
+		}
 		logger.Println("Exiting process (PID: %d)", cmd.Process.Pid)
 		*running = false
 		exitChannel <- true

v2/pkg/clilogger/clilogger.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"io"
 	"os"
+
+	"github.com/wailsapp/wails/v2/internal/colour"
 )
 
 // CLILogger is used by the cli
@@ -51,9 +53,9 @@ func (c *CLILogger) Println(message string, args ...interface{}) {
 // Fatal prints the given message then aborts
 func (c *CLILogger) Fatal(message string, args ...interface{}) {
 	temp := fmt.Sprintf(message, args...)
-	_, err := fmt.Fprintln(c.Writer, "FATAL: "+temp)
+	_, err := fmt.Fprintln(c.Writer, colour.Red("FATAL: "+temp))
 	if err != nil {
-		println("FATAL: ", err)
+		println(colour.Red("FATAL: " + err.Error()))
 	}
 	os.Exit(1)
 }