Gimme some colour

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/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()
+}