Render the output in a table or inline

cmd/extract-pattern/main.go

@@ -4,6 +4,10 @@ import (
 	"fmt"
 	"math/rand"
 	"os"
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/charmbracelet/lipgloss/table"
 
 	"github.com/carloscasalar/fantasyname-pattern-extractor/internal/tokenizer"
 	"github.com/carloscasalar/fantasyname-pattern-extractor/internal/transformer"
@@ -23,23 +27,70 @@ func main() {
 	}
 
 	pattern := transformer.NewNaiveTransformer().Transform(*tokenizedSample)
-
-	fmt.Printf("Pattern: !%v\n", pattern.String())
+	capitalizedPattern := fmt.Sprintf("!%s", pattern.String())
 
 	if opts.NumberOfOutputsToGenerate == 0 {
+		titleBox := lipgloss.NewStyle().
+			Bold(true).
+			PaddingLeft(1).
+			Foreground(lipgloss.AdaptiveColor{Light: "202", Dark: "252"})
+		patternBox := lipgloss.NewStyle().
+			MarginLeft(1).
+			Foreground(lipgloss.AdaptiveColor{Light: "#3C3C3C", Dark: "#04B575"})
+		fmt.Println(lipgloss.JoinHorizontal(lipgloss.Left, titleBox.Render("PATTERN:"), patternBox.Render(capitalizedPattern)))
 		return
 	}
-	fmt.Println("Outputs:")
-	capitalizedPattern := fmt.Sprintf("!%s", pattern.String())
+	examples := make([]string, opts.NumberOfOutputsToGenerate)
+
 	for i := 0; i < int(opts.NumberOfOutputsToGenerate); i++ {
 		gen, err := fantasyname.Compile(capitalizedPattern, fantasyname.Collapse(true), fantasyname.RandFn(rand.Intn))
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
 		}
-		fmt.Println(gen.String())
+		examples[i] = gen.String()
+	}
+
+	rows := [][]string{
+		{capitalizedPattern, commaSeparated(examples)},
+	}
+
+	re := lipgloss.NewRenderer(os.Stdout)
+	baseStyle := re.NewStyle().Padding(0, 1)
+	headerStyle := baseStyle.Foreground(lipgloss.AdaptiveColor{Light: "202", Dark: "252"}).Bold(true)
+	patternRow := baseStyle.Foreground(lipgloss.AdaptiveColor{Light: "#3C3C3C", Dark: "#04B575"})
+	columnExample := patternRow.MaxWidth(120).Italic(true)
+	t := table.New().
+		Border(lipgloss.NormalBorder()).
+		BorderStyle(lipgloss.NewStyle().Foreground(lipgloss.Color("99"))).
+		StyleFunc(func(row, col int) lipgloss.Style {
+			if row == 0 {
+				return headerStyle
+			}
+			if col == 0 {
+				return patternRow
+			}
+			return columnExample
+		}).
+		Headers("PATTERN", "EXAMPLES").
+		Rows(rows...)
+	fmt.Println(t)
+}
+
+func commaSeparated(examples []string) string {
+	if len(examples) == 0 {
+		return ""
+	}
+
+	joinedString := new(strings.Builder)
+	for i, example := range examples {
+		joinedString.WriteString(example)
+		if i < len(examples)-1 {
+			joinedString.WriteString(", ")
+		}
 	}
 
+	return joinedString.String()
 }
 
 func readOptionsOrFail() Ops {

cmd/extract-pattern/main_test.go

@@ -14,8 +14,8 @@ func TestMainFunctionSnapshot(t *testing.T) {
 		options        []string
 		expectedOutput string
 	}{
-		{[]string{"-n", "Tanis"}, "Pattern: !cvcvc\n"},
-		{[]string{"-n", "Iöwen"}, "Pattern: !v(<v>|(ä|ë|ï|ö|ü))cvc\n"},
+		{[]string{"-n", "Tanis"}, " PATTERN: !cvcvc\n"},
+		{[]string{"-n", "Iöwen"}, " PATTERN: !v(<v>|(ä|ë|ï|ö|ü))cvc\n"},
 	}
 
 	for _, inputAndExpectedOutput := range inputsAndExpectedOutputs {

go.mod

@@ -3,14 +3,22 @@ module github.com/carloscasalar/fantasyname-pattern-extractor
 go 1.22
 
 require (
+	github.com/charmbracelet/lipgloss v0.12.1
 	github.com/jessevdk/go-flags v1.6.1
 	github.com/s0rg/fantasyname v1.3.4
 	github.com/stretchr/testify v1.9.0
 )
 
 require (
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/x/ansi v0.1.4 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/muesli/termenv v0.15.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	golang.org/x/sys v0.22.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -1,13 +1,31 @@
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/lipgloss v0.12.1 h1:/gmzszl+pedQpjCOH+wFkZr/N90Snz40J/NR7A0zQcs=
+github.com/charmbracelet/lipgloss v0.12.1/go.mod h1:V2CiwIuhx9S1S1ZlADfOj9HmxeMAORuz5izHb0zGbB8=
+github.com/charmbracelet/x/ansi v0.1.4 h1:IEU3D6+dWwPSgZ6HBH+v6oUuZ/nVawMiWj5831KfiLM=
+github.com/charmbracelet/x/ansi v0.1.4/go.mod h1:dk73KoMTT5AX5BsX0KrqhsTqAnhZZoCBjs7dGWp4Ktw=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jessevdk/go-flags v1.6.1 h1:Cvu5U8UGrLay1rZfv/zP7iLpSHGUZ/Ou68T0iX1bBK4=
 github.com/jessevdk/go-flags v1.6.1/go.mod h1:Mk8T1hIAWpOiJiHa9rJASDK2UGWji0EuPGBnNLMooyc=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
+github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
+github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8=
 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/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/s0rg/fantasyname v1.3.4 h1:zqmKri+2MGVxgRfTm0XViZPtoy0wm9BBc6oqOCuALZw=
 github.com/s0rg/fantasyname v1.3.4/go.mod h1:XqTfA5mtZAxnjcSkAwijm1FGoI9FkjRyUOWEEbjsRd0=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
 golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=