Make examples column width relative to the terminal width

cmd/extract-pattern/main.go

@@ -4,12 +4,12 @@ import (
 	"fmt"
 	"os"
 
+	"golang.org/x/term"
+
 	"github.com/carloscasalar/fantasyname-pattern-extractor/internal/commands"
+	"github.com/carloscasalar/fantasyname-pattern-extractor/internal/transformer"
 	"github.com/charmbracelet/lipgloss"
 	"github.com/charmbracelet/lipgloss/table"
-
-	"github.com/carloscasalar/fantasyname-pattern-extractor/internal/transformer"
-
 	"github.com/jessevdk/go-flags"
 )
 
@@ -49,7 +49,9 @@ func main() {
 	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)
+	columnExample := patternRow.
+		Width(getColumnExampleWidth(pattern, nameExamples)).
+		Italic(true)
 	t := table.New().
 		Border(lipgloss.NormalBorder()).
 		BorderStyle(lipgloss.NewStyle().Foreground(lipgloss.Color("99"))).
@@ -67,6 +69,16 @@ func main() {
 	fmt.Println(t)
 }
 
+func getColumnExampleWidth(pattern string, nameExamples string) int {
+	totalMaxWidth, _, err := term.GetSize(int(os.Stdin.Fd()))
+	if err != nil {
+		totalMaxWidth = 80
+	}
+	columnExampleMaxWidth := totalMaxWidth - len(pattern) - 10
+	columnExampleWidth := min(columnExampleMaxWidth, len(nameExamples))
+	return columnExampleWidth
+}
+
 func readOptionsOrFail() Ops {
 	var opts Ops
 	parser := flags.NewParser(&opts, flags.Default)

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/jessevdk/go-flags v1.6.1
 	github.com/s0rg/fantasyname v1.3.4
 	github.com/stretchr/testify v1.9.0
+	golang.org/x/term v0.23.0
 )
 
 require (
@@ -15,11 +16,11 @@ require (
 	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/mattn/go-runewidth v0.0.16 // 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
+	golang.org/x/sys v0.24.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -12,8 +12,8 @@ github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69
 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/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
+github.com/mattn/go-runewidth v0.0.16/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=
@@ -26,10 +26,12 @@ github.com/s0rg/fantasyname v1.3.4/go.mod h1:XqTfA5mtZAxnjcSkAwijm1FGoI9FkjRyUOW
 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=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
+golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.23.0 h1:F6D4vR+EHoL9/sWAWgAR1H2DcHr4PareCbAaCo1RpuU=
+golang.org/x/term v0.23.0/go.mod h1:DgV24QBUrK6jhZXl+20l6UWznPlwAHm1Q1mGHtydmSk=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=