pterm

package module
v0.12.63 Latest Latest
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 Go to latest Published: Jul 18, 2023 License: MIT Imports: 27 Imported by: 1,711

README

💻 PTerm | Pretty Terminal Printer

A modern Go framework to make beautiful CLIs

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PTerm

Show Demo Code

PTerm.sh | Installation | Getting Started | Documentation | Examples | Q&A | Discord

📦 Installation

To make PTerm available in your project, you can run the following command.
Make sure to run this command inside your project, when you're using go modules 😉

go get github.com/pterm/pterm

⭐ Main Features

Feature Description
🪀 Easy to use PTerm emphasizes ease of use, with examples and consistent component design.
🤹‍♀️ Cross-Platform PTerm works on various OS and terminals, including Windows CMD, macOS iTerm2, and in CI systems like GitHub Actions.
🧪 Well tested A high test coverage and 28774 automated tests ensure PTerm's reliability.
✨ Consistent Colors PTerm uses the ANSI color scheme for uniformity and supports TrueColor for advanced terminals.
📚 Component system PTerm's flexible Printers can be used individually or combined to generate beautiful console output.
🛠 Configurable PTerm is ready to use without configuration but allows easy customization for unique terminal output.
✏ Documentation Access comprehensive docs on pkg.go.dev and view practical examples in the examples section.

Printers (Components)

Feature Feature Feature Feature Feature
Area
(Examples)		 Barchart
(Examples)		 Basictext
(Examples)		 Bigtext
(Examples)		 Box
(Examples)
Bulletlist
(Examples)		 Center
(Examples)		 Coloring
(Examples)		 Demo
(Examples)		 Header
(Examples)
Interactive confirm
(Examples)		 Interactive continue
(Examples)		 Interactive multiselect
(Examples)		 Interactive select
(Examples)		 Interactive textinput
(Examples)
Logger
(Examples)		 Panel
(Examples)		 Paragraph
(Examples)		 Prefix
(Examples)		 Progressbar
(Examples)
Section
(Examples)		 Spinner
(Examples)		 Style
(Examples)		 Table
(Examples)		 Theme
(Examples)
Tree
(Examples)

🦸‍♂️ Supporters

- User 💸
Jens Lauterbach @jenslauterbach 25$

🧪 Examples


‼️ You can find all the examples, in a much better structure and their source code, in "_examples" ‼️
Click on the link above to show the examples folder.

area/center

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	area, _ := pterm.DefaultArea.WithCenter().Start()

	for i := 0; i < 5; i++ {
		area.Update(pterm.Sprintf("Current count: %d\nAreas can update their content dynamically!", i))
		time.Sleep(time.Second)
	}

	area.Stop()
}

area/default

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	area, _ := pterm.DefaultArea.Start()

	for i := 0; i < 5; i++ {
		area.Update(pterm.Sprintf("Current count: %d\nAreas can update their content dynamically!", i))
		time.Sleep(time.Second)
	}

	area.Stop()
}

area/demo

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	pterm.Info.Println("The previous text will stay in place, while the area updates.")
	pterm.Print("\n\n") // Add two new lines as spacer.

	area, _ := pterm.DefaultArea.WithCenter().Start() // Start the Area printer, with the Center option.
	for i := 0; i < 10; i++ {
		str, _ := pterm.DefaultBigText.WithLetters(pterm.NewLettersFromString(time.Now().Format("15:04:05"))).Srender() // Save current time in str.
		area.Update(str)                                                                                                // Update Area contents.
		time.Sleep(time.Second)
	}
	area.Stop()
}

area/dynamic-chart

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	area, _ := pterm.DefaultArea.WithFullscreen().WithCenter().Start()
	defer area.Stop()

	for i := 0; i < 10; i++ {
		barchart := pterm.DefaultBarChart.WithBars(dynamicBars(i))
		content, _ := barchart.Srender()
		area.Update(content)
		time.Sleep(500 * time.Millisecond)
	}
}

func dynamicBars(i int) pterm.Bars {
	return pterm.Bars{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20 * i},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40 + i},
	}
}

area/fullscreen

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	area, _ := pterm.DefaultArea.WithFullscreen().Start()

	for i := 0; i < 5; i++ {
		area.Update(pterm.Sprintf("Current count: %d\nAreas can update their content dynamically!", i))
		time.Sleep(time.Second)
	}

	area.Stop()
}

area/fullscreen-center

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	area, _ := pterm.DefaultArea.WithFullscreen().WithCenter().Start()

	for i := 0; i < 5; i++ {
		area.Update(pterm.Sprintf("Current count: %d\nAreas can update their content dynamically!", i))
		time.Sleep(time.Second)
	}

	area.Stop()
}

barchart/custom-height

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBarChart.WithBars([]pterm.Bar{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40},
		{Label: "E", Value: 50},
		{Label: "F", Value: 40},
		{Label: "G", Value: 30},
		{Label: "H", Value: 20},
		{Label: "I", Value: 10},
	}).WithHeight(5).Render()
}

barchart/custom-width

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBarChart.WithBars([]pterm.Bar{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40},
		{Label: "E", Value: 50},
		{Label: "F", Value: 40},
		{Label: "G", Value: 30},
		{Label: "H", Value: 20},
		{Label: "I", Value: 10},
	}).WithHorizontal().WithWidth(5).Render()
}

barchart/default

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBarChart.WithBars([]pterm.Bar{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40},
		{Label: "E", Value: 50},
		{Label: "F", Value: 40},
		{Label: "G", Value: 30},
		{Label: "H", Value: 20},
		{Label: "I", Value: 10},
	}).Render()
}

barchart/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	positiveBars := pterm.Bars{
		pterm.Bar{
			Label: "Bar 1",
			Value: 5,
		},
		pterm.Bar{
			Label: "Bar 2",
			Value: 3,
		},
		pterm.Bar{
			Label: "Longer Label",
			Value: 7,
		},
	}

	pterm.Info.Println("Chart example with positive only values (bars use 100% of chart area)")
	_ = pterm.DefaultBarChart.WithBars(positiveBars).Render()
	_ = pterm.DefaultBarChart.WithHorizontal().WithBars(positiveBars).Render()
}

barchart/horizontal

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBarChart.WithBars([]pterm.Bar{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40},
		{Label: "E", Value: 50},
		{Label: "F", Value: 40},
		{Label: "G", Value: 30},
		{Label: "H", Value: 20},
		{Label: "I", Value: 10},
	}).WithHorizontal().Render()
}

barchart/horizontal-show-value

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBarChart.WithBars([]pterm.Bar{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40},
		{Label: "E", Value: 50},
		{Label: "F", Value: 40},
		{Label: "G", Value: 30},
		{Label: "H", Value: 20},
		{Label: "I", Value: 10},
	}).WithHorizontal().WithShowValue().Render()
}

barchart/mixed-values

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	mixedBars := pterm.Bars{
		pterm.Bar{
			Label: "Bar 1",
			Value: 2,
		},
		pterm.Bar{
			Label: "Bar 2",
			Value: -3,
		},
		pterm.Bar{
			Label: "Bar 3",
			Value: -2,
		},
		pterm.Bar{
			Label: "Bar 4",
			Value: 5,
		},
		pterm.Bar{
			Label: "Longer Label",
			Value: 7,
		},
	}

	pterm.DefaultSection.Println("Chart example with mixed values (note screen space usage in case when ABSOLUTE values of negative and positive parts are differ too much)")
	_ = pterm.DefaultBarChart.WithBars(mixedBars).WithShowValue().Render()
	_ = pterm.DefaultBarChart.WithHorizontal().WithBars(mixedBars).WithShowValue().Render()
}

barchart/negative-values

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	negativeBars := pterm.Bars{
		pterm.Bar{
			Label: "Bar 1",
			Value: -5,
		},
		pterm.Bar{
			Label: "Bar 2",
			Value: -3,
		},
		pterm.Bar{
			Label: "Longer Label",
			Value: -7,
		},
	}

	pterm.Info.Println("Chart example with negative only values (bars use 100% of chart area)")
	_ = pterm.DefaultBarChart.WithBars(negativeBars).WithShowValue().Render()
	_ = pterm.DefaultBarChart.WithHorizontal().WithBars(negativeBars).WithShowValue().Render()
}

barchart/show-value

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBarChart.WithBars([]pterm.Bar{
		{Label: "A", Value: 10},
		{Label: "B", Value: 20},
		{Label: "C", Value: 30},
		{Label: "D", Value: 40},
		{Label: "E", Value: 50},
		{Label: "F", Value: 40},
		{Label: "G", Value: 30},
		{Label: "H", Value: 20},
		{Label: "I", Value: 10},
	}).WithShowValue().Render()
}

basictext/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// A BasicText printer is used to print text, without special formatting.
	// As it implements the TextPrinter interface, you can use it in combination with other printers.
	pterm.DefaultBasicText.Println("Default basic text printer.")
	pterm.DefaultBasicText.Println("Can be used in any" + pterm.LightMagenta(" TextPrinter ") + "context.")
	pterm.DefaultBasicText.Println("For example to resolve progressbars and spinners.")
	// If you just want to print text, you should use this instead:
	// 	pterm.Println("Hello, World!")
}

bigtext/colored

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"github.com/pterm/pterm/putils"
)

func main() {
	pterm.DefaultBigText.WithLetters(
		putils.LettersFromStringWithStyle("P", pterm.FgCyan.ToStyle()),
		putils.LettersFromStringWithStyle("Term", pterm.FgLightMagenta.ToStyle())).
		Render()
}

bigtext/default

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"github.com/pterm/pterm/putils"
)

func main() {
	pterm.DefaultBigText.WithLetters(putils.LettersFromString("PTerm")).Render()
}

bigtext/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"github.com/pterm/pterm/putils"
)

func main() {
	// Print a large text with the LetterStyle from the standard theme.
	// Useful for title screens.
	pterm.DefaultBigText.WithLetters(putils.LettersFromString("PTerm")).Render()

	// Print a large text with differently colored letters.
	pterm.DefaultBigText.WithLetters(
		putils.LettersFromStringWithStyle("P", pterm.FgCyan.ToStyle()),
		putils.LettersFromStringWithStyle("Term", pterm.FgLightMagenta.ToStyle())).
		Render()

	// LettersFromStringWithRGB can be used to create a large text with a specific RGB color.
	pterm.DefaultBigText.WithLetters(
		putils.LettersFromStringWithRGB("PTerm", pterm.NewRGB(255, 215, 0))).
		Render()
}

box/custom-padding

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBox.
		WithRightPadding(10).
		WithLeftPadding(10).
		WithTopPadding(2).
		WithBottomPadding(2).
		Println("Hello, World!")
}

box/default

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultBox.Println("Hello, World!")
}

box/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.Info.Println("This might not be rendered correctly on GitHub,\nbut it will work in a real terminal.\nThis is because GitHub does not use a monospaced font by default for SVGs")

	panel1 := pterm.DefaultBox.Sprint("Lorem ipsum dolor sit amet,\nconsectetur adipiscing elit,\nsed do eiusmod tempor incididunt\nut labore et dolore\nmagna aliqua.")
	panel2 := pterm.DefaultBox.WithTitle("title").Sprint("Ut enim ad minim veniam,\nquis nostrud exercitation\nullamco laboris\nnisi ut aliquip\nex ea commodo\nconsequat.")
	panel3 := pterm.DefaultBox.WithTitle("bottom center title").WithTitleBottomCenter().Sprint("Duis aute irure\ndolor in reprehenderit\nin voluptate velit esse cillum\ndolore eu fugiat\nnulla pariatur.")

	panels, _ := pterm.DefaultPanel.WithPanels(pterm.Panels{
		{{Data: panel1}, {Data: panel2}},
		{{Data: panel3}},
	}).Srender()

	pterm.DefaultBox.WithTitle("Lorem Ipsum").WithTitleBottomRight().WithRightPadding(0).WithBottomPadding(0).Println(panels)
}

box/title

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Default titled bpx
	paddedBox := pterm.DefaultBox.WithLeftPadding(4).WithRightPadding(4).WithTopPadding(1).WithBottomPadding(1)

	title := pterm.LightRed("I'm a box!")

	box1 := paddedBox.WithTitle(title).Sprint("Hello, World!\n      1")
	box2 := paddedBox.WithTitle(title).WithTitleTopCenter().Sprint("Hello, World!\n      2")
	box3 := paddedBox.WithTitle(title).WithTitleTopRight().Sprint("Hello, World!\n      3")
	box4 := paddedBox.WithTitle(title).WithTitleBottomRight().Sprint("Hello, World!\n      4")
	box5 := paddedBox.WithTitle(title).WithTitleBottomCenter().Sprint("Hello, World!\n      5")
	box6 := paddedBox.WithTitle(title).WithTitleBottomLeft().Sprint("Hello, World!\n      6")
	box7 := paddedBox.WithTitle(title).WithTitleTopLeft().Sprint("Hello, World!\n      7")

	pterm.DefaultPanel.WithPanels([][]pterm.Panel{
		{{box1}, {box2}, {box3}},
		{{box4}, {box5}, {box6}},
		{{box7}},
	}).Render()
}

bulletlist/customized

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	// Print a customized list with different styles and levels.
	pterm.DefaultBulletList.WithItems([]pterm.BulletListItem{
		{Level: 0, Text: "Blue", TextStyle: pterm.NewStyle(pterm.FgBlue), BulletStyle: pterm.NewStyle(pterm.FgRed)},
		{Level: 1, Text: "Green", TextStyle: pterm.NewStyle(pterm.FgGreen), Bullet: "-", BulletStyle: pterm.NewStyle(pterm.FgLightWhite)},
		{Level: 2, Text: "Cyan", TextStyle: pterm.NewStyle(pterm.FgCyan), Bullet: ">", BulletStyle: pterm.NewStyle(pterm.FgYellow)},
	}).Render()
}

bulletlist/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"github.com/pterm/pterm/putils"
)

func main() {
	// Print a list with different levels.
	// Useful to generate lists automatically from data.
	pterm.DefaultBulletList.WithItems([]pterm.BulletListItem{
		{Level: 0, Text: "Level 0"},
		{Level: 1, Text: "Level 1"},
		{Level: 2, Text: "Level 2"},
	}).Render()

	// Convert a text to a list and print it.
	putils.BulletListFromString(`0
 1
  2
   3`, " ").Render()
}

center/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	pterm.DefaultCenter.Println("This text is centered!\nIt centeres the whole block by default.\nIn that way you can do stuff like this:")

	// Generate BigLetters
	s, _ := pterm.DefaultBigText.WithLetters(pterm.NewLettersFromString("PTerm")).Srender()
	pterm.DefaultCenter.Println(s) // Print BigLetters with the default CenterPrinter

	pterm.DefaultCenter.WithCenterEachLineSeparately().Println("This text is centered!\nBut each line is\ncentered\nseparately")
}

coloring/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print all colors

	pterm.DefaultTable.WithData([][]string{
		{pterm.FgBlack.Sprint("Black"), pterm.FgRed.Sprint("Red"), pterm.FgGreen.Sprint("Green"), pterm.FgYellow.Sprint("Yellow")},
		{"", pterm.FgLightRed.Sprint("Light Red"), pterm.FgLightGreen.Sprint("Light Green"), pterm.FgLightYellow.Sprint("Light Yellow")},
		{pterm.BgBlack.Sprint("Black"), pterm.BgRed.Sprint("Red"), pterm.BgGreen.Sprint("Green"), pterm.BgYellow.Sprint("Yellow")},
		{"", pterm.BgLightRed.Sprint("Light Red"), pterm.BgLightGreen.Sprint("Light Green"), pterm.BgLightYellow.Sprint("Light Yellow")},
		{pterm.FgBlue.Sprint("Blue"), pterm.FgMagenta.Sprint("Magenta"), pterm.FgCyan.Sprint("Cyan"), pterm.FgWhite.Sprint("White")},
		{pterm.FgLightBlue.Sprint("Light Blue"), pterm.FgLightMagenta.Sprint("Light Magenta"), pterm.FgLightCyan.Sprint("Light Cyan"), pterm.FgLightWhite.Sprint("Light White")},
		{pterm.BgBlue.Sprint("Blue"), pterm.BgMagenta.Sprint("Magenta"), pterm.BgCyan.Sprint("Cyan"), pterm.BgWhite.Sprint("White")},
		{pterm.BgLightBlue.Sprint("Light Blue"), pterm.BgLightMagenta.Sprint("Light Magenta"), pterm.BgLightCyan.Sprint("Light Cyan"), pterm.BgLightWhite.Sprint("Light White")},
	}).Render()

	pterm.Println()

	// Print different colored words.
	pterm.Println(pterm.Red("Hello, ") + pterm.Green("World") + pterm.Cyan("!"))
	pterm.Println(pterm.Red("Even " + pterm.Cyan("nested ") + pterm.Green("colors ") + "are supported!"))

	pterm.Println()

	// Or print colors as a style
	style := pterm.NewStyle(pterm.BgRed, pterm.FgLightGreen, pterm.Bold)
	style.Println("This text uses a style and is bold and light green with a red background!")
}

coloring/disable-output

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	for i := 0; i < 15; i++ {
		switch i {
		case 5:
			pterm.Info.Println("Disabled Output!")
			pterm.DisableOutput()
		case 10:
			pterm.EnableOutput()
			pterm.Info.Println("Enabled Output!")
		}

		pterm.Printf("Printing something... [%d/%d]\n", i, 15)
	}
}

coloring/fade-colors

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	// Print info.
	pterm.Info.Println("RGB colors only work in Terminals which support TrueColor.")

	from := pterm.NewRGB(0, 255, 255) // This RGB value is used as the gradients start point.
	to := pterm.NewRGB(255, 0, 255)   // This RGB value is used as the gradients end point.

	// For loop over the range of the terminal height.
	for i := 0; i < pterm.GetTerminalHeight()-2; i++ {
		// Print string which is colored with the faded RGB value.
		from.Fade(0, float32(pterm.GetTerminalHeight()-2), float32(i), to).Println("Hello, World!")
	}
}

coloring/fade-colors-rgb-style

Animation

SHOW SOURCE 
package main

import (
	"strings"

	"github.com/pterm/pterm"
)

func main() {
	white := pterm.NewRGB(255, 255, 255) // This RGB value is used as the gradients start point.
	grey := pterm.NewRGB(128, 128, 128)  // This RGB value is used as the gradients start point.
	black := pterm.NewRGB(0, 0, 0)       // This RGB value is used as the gradients start point.
	red := pterm.NewRGB(255, 0, 0)       // This RGB value is used as the gradients start point.
	purple := pterm.NewRGB(255, 0, 255)  // This RGB value is used as the gradients start point.
	green := pterm.NewRGB(0, 255, 0)     // This RGB value is used as the gradients start point.

	str := "RGB colors only work in Terminals which support TrueColor."
	strs := strings.Split(str, "")
	var fadeInfo string // String which will be used to print.
	for i := 0; i < len(str); i++ {
		// Append faded letter to info string.
		fadeInfo += pterm.NewRGBStyle(white.Fade(0, float32(len(str)), float32(i), purple), grey.Fade(0, float32(len(str)), float32(i), black)).Sprint(strs[i])
	}

	pterm.Info.Println(fadeInfo)

	str = "The background and foreground colors can be customized individually."
	strs = strings.Split(str, "")
	var fade2 string // String which will be used to print info.
	for i := 0; i < len(str); i++ {
		// Append faded letter to info string.
		fade2 += pterm.NewRGBStyle(black, purple.Fade(0, float32(len(str)), float32(i), red)).Sprint(strs[i])
	}

	pterm.Println(fade2)

	str = "Styles can also be applied. For example: Bold or Italic."
	strs = strings.Split(str, "")
	var fade3 string // String which will be used to print.

	bold := 0
	boldStr := strings.Split("Bold", "")
	italic := 0
	italicStr := strings.Split("Italic", "")

	for i := 0; i < len(str); i++ {
		// Append faded letter to info string.
		s := pterm.NewRGBStyle(white.Fade(0, float32(len(str)), float32(i), green), red.Fade(0, float32(len(str)), float32(i), black))

		// if the next letters are "Bold", then add the style "Bold".
		// else if the next letters are "Italic", then add the style "Italic".
		if bold < len(boldStr) && i+len(boldStr) <= len(strs) {
			if strings.Join(strs[i:i+len(boldStr)-bold], "") == strings.Join(boldStr[bold:], "") {
				s = s.AddOptions(pterm.Bold)
				bold++
			}
		} else if italic < len(italicStr) && i+len(italicStr)-italic < len(strs) {
			if strings.Join(strs[i:i+len(italicStr)-italic], "") == strings.Join(italicStr[italic:], "") {
				s = s.AddOptions(pterm.Italic)
				italic++
			}
		}
		fade3 += s.Sprint(strs[i])
	}

	pterm.Println(fade3)
}

coloring/fade-multiple-colors

Animation

SHOW SOURCE 
package main

import (
	"strings"

	"github.com/pterm/pterm"
)

func main() {
	from := pterm.NewRGB(0, 255, 255)  // This RGB value is used as the gradients start point.
	to := pterm.NewRGB(255, 0, 255)    // This RGB value is used as the gradients first point.
	to2 := pterm.NewRGB(255, 0, 0)     // This RGB value is used as the gradients second point.
	to3 := pterm.NewRGB(0, 255, 0)     // This RGB value is used as the gradients third point.
	to4 := pterm.NewRGB(255, 255, 255) // This RGB value is used as the gradients end point.

	str := "RGB colors only work in Terminals which support TrueColor."
	strs := strings.Split(str, "")
	var fadeInfo string // String which will be used to print info.
	// For loop over the range of the string length.
	for i := 0; i < len(str); i++ {
		// Append faded letter to info string.
		fadeInfo += from.Fade(0, float32(len(str)), float32(i), to).Sprint(strs[i])
	}

	// Print info.
	pterm.Info.Println(fadeInfo)

	// For loop over the range of the terminal height.
	for i := 0; i < pterm.GetTerminalHeight()-2; i++ {
		// Print string which is colored with the faded RGB value.
		from.Fade(0, float32(pterm.GetTerminalHeight()-2), float32(i), to, to2, to3, to4).Println("Hello, World!")
	}
}

coloring/override-default-printers

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print default error.
	pterm.Error.Println("This is the default Error")

	// Customize default error.
	pterm.Error.Prefix = pterm.Prefix{
		Text:  "OVERRIDE",
		Style: pterm.NewStyle(pterm.BgCyan, pterm.FgRed),
	}

	// Print new default error.
	pterm.Error.Println("This is the default Error after the prefix was overridden")
}

coloring/print-color-rgb

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print strings with a custom RGB color.
	// NOTICE: This only works with terminals which support TrueColor.
	pterm.NewRGB(178, 44, 199).Println("This text is printed with a custom RGB!")
	pterm.NewRGB(15, 199, 209).Println("This text is printed with a custom RGB!")
	pterm.NewRGB(201, 144, 30, true).Println("This text is printed with a custom RGB background!")
}

coloring/print-color-rgb-style

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	foregroundRGB := pterm.RGB{R: 187, G: 80, B: 0}
	backgroundRGB := pterm.RGB{R: 0, G: 50, B: 123}

	// Print string with a custom foreground and background RGB color.
	pterm.NewRGBStyle(foregroundRGB, backgroundRGB).Println("This text is not styled.")

	// Print string with a custom foreground and background RGB color and style bold.
	pterm.NewRGBStyle(foregroundRGB, backgroundRGB).AddOptions(pterm.Bold).Println("This text is bold.")

	// Print string with a custom foreground and background RGB color and style italic.
	pterm.NewRGBStyle(foregroundRGB, backgroundRGB).AddOptions(pterm.Italic).Println("This text is italic.")
}

demo/demo

Animation

SHOW SOURCE 
package main

import (
	"flag"
	"math/rand"
	"reflect"
	"strconv"
	"strings"
	"time"

	"github.com/pterm/pterm"
	"github.com/pterm/pterm/putils"
)

// Speed the demo up, by setting this flag.
// Usefull for debugging.
// Example:
//
//	go run main.go -speedup
var speedup = flag.Bool("speedup", false, "Speed up the demo")
var skipIntro = flag.Bool("skip-intro", false, "Skips the intro")
var second = time.Second

var pseudoProgramList = strings.Split("pseudo-excel pseudo-photoshop pseudo-chrome pseudo-outlook pseudo-explorer "+
	"pseudo-git pseudo-vsc pseudo-intellij pseudo-minecraft pseudo-scoop pseudo-chocolatey", " ")

func main() {
	setup() // Setup the demo (flags etc.)

	// Show intro
	if !*skipIntro {
		introScreen()
		clear()
	}

	showcase("Structured Logging", 5, func() {
		logger := pterm.DefaultLogger.
			WithLevel(pterm.LogLevelTrace)

		logger.Trace("Doing not so important stuff", logger.Args("priority", "super low"))

		time.Sleep(time.Second * 3)

		interstingStuff := map[string]any{
			"when were crayons invented":  "1903",
			"what is the meaning of life": 42,
			"is this interesting":         true,
		}
		logger.Debug("This might be interesting", logger.ArgsFromMap(interstingStuff))
		time.Sleep(time.Second * 3)

		logger.Info("That was actually interesting", logger.Args("such", "wow"))
		time.Sleep(time.Second * 3)
		logger.Warn("Oh no, I see an error coming to us!", logger.Args("speed", 88, "measures", "mph"))
		time.Sleep(time.Second * 3)
		logger.Error("Damn, here it is!", logger.Args("error", "something went wrong"))
		time.Sleep(time.Second * 3)
		logger.Info("But what's really cool is, that you can print very long logs, and PTerm will automatically wrap them for you! Say goodbye to text, that has weird line breaks!", logger.Args("very", "long"))
	})

	showcase("Progress bar", 2, func() {
		pb, _ := pterm.DefaultProgressbar.WithTotal(len(pseudoProgramList)).WithTitle("Installing stuff").Start()
		for i := 0; i < pb.Total; i++ {
			pb.UpdateTitle("Installing " + pseudoProgramList[i])
			if pseudoProgramList[i] == "pseudo-minecraft" {
				pterm.Warning.Println("Could not install pseudo-minecraft\nThe company policy forbids games.")
			} else {
				pterm.Success.Println("Installing " + pseudoProgramList[i])
			}
			pb.Increment()
			time.Sleep(second / 2)
		}
		pb.Stop()
	})

	showcase("Spinner", 2, func() {
		list := pseudoProgramList[7:]
		spinner, _ := pterm.DefaultSpinner.Start("Installing stuff")
		for i := 0; i < len(list); i++ {
			spinner.UpdateText("Installing " + list[i])
			if list[i] == "pseudo-minecraft" {
				pterm.Warning.Println("Could not install pseudo-minecraft\nThe company policy forbids games.")
			} else {
				pterm.Success.Println("Installing " + list[i])
			}
			time.Sleep(second)
		}
		spinner.Success()
	})

	showcase("Live Output", 2, func() {
		pterm.Info.Println("You can use an Area to display changing output:")
		pterm.Println()
		area, _ := pterm.DefaultArea.WithCenter().Start() // Start the Area printer, with the Center option.
		for i := 0; i < 10; i++ {
			str, _ := pterm.DefaultBigText.WithLetters(putils.LettersFromString(time.Now().Format("15:04:05"))).Srender() // Save current time in str.
			area.Update(str)                                                                                              // Update Area contents.
			time.Sleep(time.Second)
		}
		area.Stop()
	})

	showcase("Tables", 4, func() {
		for i := 0; i < 3; i++ {
			pterm.Println()
		}
		td := [][]string{
			{"Library", "Description"},
			{"PTerm", "Make beautiful CLIs"},
			{"Testza", "Programmer friendly test framework"},
			{"Cursor", "Move the cursor around the terminal"},
		}
		table, _ := pterm.DefaultTable.WithHasHeader().WithData(td).Srender()
		boxedTable, _ := pterm.DefaultTable.WithHasHeader().WithData(td).WithBoxed().Srender()
		pterm.DefaultCenter.Println(table)
		pterm.DefaultCenter.Println(boxedTable)
	})

	showcase("TrueColor Support", 7, func() {
		from := pterm.NewRGB(0, 255, 255) // This RGB value is used as the gradients start point.
		to := pterm.NewRGB(255, 0, 255)   // This RGB value is used as the gradients first point.

		str := "If your terminal has TrueColor support, you can use RGB colors!\nYou can even fade them :)\n\nLorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet."
		strs := strings.Split(str, "")
		var fadeInfo string // String which will be used to print info.
		// For loop over the range of the string length.
		for i := 0; i < len(str); i++ {
			// Append faded letter to info string.
			fadeInfo += from.Fade(0, float32(len(str)), float32(i), to).Sprint(strs[i])
		}
		pterm.DefaultCenter.WithCenterEachLineSeparately().Println(fadeInfo)
	})

	showcase("Fully Customizale", 2, func() {
		for i := 0; i < 4; i++ {
			pterm.Println()
		}
		text := "All printers are fully customizable!"
		area := pterm.DefaultArea.WithCenter()
		area.Update(pterm.DefaultBox.Sprintln(text))
		time.Sleep(second)
		area.Update(pterm.DefaultBox.WithTopPadding(1).Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithTitle("Some title!").WithTitleTopLeft().Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithTitle("Some title!").WithTitleTopCenter().Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithTitle("Some title!").WithTitleTopRight().Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithTitle("Some title!").WithTitleBottomRight().Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithTitle("Some title!").WithTitleBottomCenter().Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithTitle("Some title!").WithTitleBottomLeft().Sprintln(text))
		time.Sleep(second / 3)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithBoxStyle(pterm.NewStyle(pterm.FgCyan)).Sprintln(text))
		time.Sleep(second / 5)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithBoxStyle(pterm.NewStyle(pterm.FgRed)).Sprintln(text))
		time.Sleep(second / 5)
		area.Update(pterm.DefaultBox.WithTopPadding(1).WithBottomPadding(1).WithLeftPadding(1).WithRightPadding(1).WithBoxStyle(pterm.NewStyle(pterm.FgGreen)).Sprintln(text))
		time.Sleep(second / 5)
		area.Update(pterm.DefaultBox.WithTopPadding(1).
			WithBottomPadding(1).
			WithLeftPadding(1).
			WithRightPadding(1).
			WithHorizontalString("═").
			WithVerticalString("║").
			WithBottomLeftCornerString("╗").
			WithBottomRightCornerString("╔").
			WithTopLeftCornerString("╝").
			WithTopRightCornerString("╚").
			Sprintln(text))
		area.Stop()
	})

	showcase("Themes", 2, func() {
		pterm.Info.Println("You can change the color theme of PTerm easily to fit your needs!\nThis is the default one:")
		time.Sleep(second / 2)
		// Print every value of the default theme with its own style.
		v := reflect.ValueOf(pterm.ThemeDefault)
		typeOfS := v.Type()

		if typeOfS == reflect.TypeOf(pterm.Theme{}) {
			for i := 0; i < v.NumField(); i++ {
				field, ok := v.Field(i).Interface().(pterm.Style)
				if ok {
					field.Println(typeOfS.Field(i).Name)
				}
				time.Sleep(time.Millisecond * 250)
			}
		}
	})

	showcase("And much more!", 3, func() {
		for i := 0; i < 4; i++ {
			pterm.Println()
		}
		box := pterm.DefaultBox.
			WithBottomPadding(1).
			WithTopPadding(1).
			WithLeftPadding(3).
			WithRightPadding(3).
			Sprintf("Have fun exploring %s!", pterm.Cyan("PTerm"))
		pterm.DefaultCenter.Println(box)
	})
}

func setup() {
	flag.Parse()
	if *speedup {
		second = time.Millisecond * 200
	}
}

func introScreen() {
	ptermLogo, _ := pterm.DefaultBigText.WithLetters(
		putils.LettersFromStringWithStyle("P", pterm.NewStyle(pterm.FgLightCyan)),
		putils.LettersFromStringWithStyle("Term", pterm.NewStyle(pterm.FgLightMagenta))).
		Srender()

	pterm.DefaultCenter.Print(ptermLogo)

	pterm.DefaultCenter.Print(pterm.DefaultHeader.WithFullWidth().WithBackgroundStyle(pterm.NewStyle(pterm.BgLightBlue)).WithMargin(10).Sprint("PTDP - PTerm Demo Program"))

	pterm.Info.Println("This animation was generated with the latest version of PTerm!" +
		"\nPTerm works on nearly every terminal and operating system." +
		"\nIt's super easy to use!" +
		"\nIf you want, you can customize everything :)" +
		"\nYou can see the code of this demo in the " + pterm.LightMagenta("./_examples/demo") + " directory." +
		"\n" +
		"\nThis demo was updated at: " + pterm.Green(time.Now().Format("02 Jan 2006 - 15:04:05 MST")))
	pterm.Println()
	introSpinner, _ := pterm.DefaultSpinner.WithShowTimer(false).WithRemoveWhenDone(true).Start("Waiting for 15 seconds...")
	time.Sleep(second)
	for i := 14; i > 0; i-- {
		if i > 1 {
			introSpinner.UpdateText("Waiting for " + strconv.Itoa(i) + " seconds...")
		} else {
			introSpinner.UpdateText("Waiting for " + strconv.Itoa(i) + " second...")
		}
		time.Sleep(second)
	}
	introSpinner.Stop()
}

func clear() {
	print("\033[H\033[2J")
}

func showcase(title string, seconds int, content func()) {
	pterm.DefaultHeader.WithBackgroundStyle(pterm.NewStyle(pterm.BgLightBlue)).WithFullWidth().Println(title)
	pterm.Println()
	time.Sleep(second / 2)
	content()
	time.Sleep(second * time.Duration(seconds))
	print("\033[H\033[2J")
}

func randomInt(min, max int) int {
	rand.Seed(time.Now().UnixNano())
	return rand.Intn(max-min+1) + min
}

header/custom

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// All available options: https://pkg.go.dev/github.com/pterm/pterm#HeaderPrinter

	// Build on top of DefaultHeader
	pterm.DefaultHeader. // Use DefaultHeader as base
				WithMargin(15).
				WithBackgroundStyle(pterm.NewStyle(pterm.BgCyan)).
				WithTextStyle(pterm.NewStyle(pterm.FgBlack)).
				Println("This is a custom header!")
	// Instead of printing the header you can set it to a variable.
	// You can then reuse your custom header.

	// Making a completely new HeaderPrinter
	newHeader := pterm.HeaderPrinter{
		TextStyle:       pterm.NewStyle(pterm.FgBlack),
		BackgroundStyle: pterm.NewStyle(pterm.BgRed),
		Margin:          20,
	}

	// Print header.
	newHeader.Println("This is a custom header!")
}

header/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print a default header.
	pterm.DefaultHeader.Println("This is the default header!")
	pterm.Println() // spacer
	pterm.DefaultHeader.WithFullWidth().Println("This is a full-width header.")
}

interactive_confirm/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	result, _ := pterm.DefaultInteractiveConfirm.Show()
	pterm.Println() // Blank line
	pterm.Info.Printfln("You answered: %s", boolToText(result))
}

func boolToText(b bool) string {
	if b {
		return pterm.Green("Yes")
	}
	return pterm.Red("No")
}

interactive_continue/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	result, _ := pterm.DefaultInteractiveContinue.Show()
	pterm.Println() // Blank line
	pterm.Info.Printfln("You answered: %s", result)
}

interactive_multiselect/custom-checkmarks

Animation

SHOW SOURCE 
package main

import (
	"fmt"

	"atomicgo.dev/keyboard/keys"

	"github.com/pterm/pterm"
)

func main() {
	var options []string

	for i := 0; i < 5; i++ {
		options = append(options, fmt.Sprintf("Option %d", i))
	}

	printer := pterm.DefaultInteractiveMultiselect.WithOptions(options)
	printer.Filter = false
	printer.KeyConfirm = keys.Enter
	printer.KeySelect = keys.Space
	printer.Checkmark = &pterm.Checkmark{Checked: pterm.Green("+"), Unchecked: pterm.Red("-")}
	selectedOptions, _ := printer.Show()
	pterm.Info.Printfln("Selected options: %s", pterm.Green(selectedOptions))
}

interactive_multiselect/custom-keys

Animation

SHOW SOURCE 
package main

import (
	"fmt"

	"atomicgo.dev/keyboard/keys"
	"github.com/pterm/pterm"
)

func main() {
	var options []string

	for i := 0; i < 5; i++ {
		options = append(options, fmt.Sprintf("Option %d", i))
	}

	printer := pterm.DefaultInteractiveMultiselect.WithOptions(options)
	printer.Filter = false
	printer.KeyConfirm = keys.Enter
	printer.KeySelect = keys.Space
	selectedOptions, _ := printer.Show()
	pterm.Info.Printfln("Selected options: %s", pterm.Green(selectedOptions))
}

interactive_multiselect/demo

Animation

SHOW SOURCE 
package main

import (
	"fmt"

	"github.com/pterm/pterm"
)

func main() {
	var options []string

	for i := 0; i < 100; i++ {
		options = append(options, fmt.Sprintf("Option %d", i))
	}

	for i := 0; i < 5; i++ {
		options = append(options, fmt.Sprintf("You can use fuzzy searching (%d)", i))
	}

	selectedOptions, _ := pterm.DefaultInteractiveMultiselect.WithOptions(options).Show()
	pterm.Info.Printfln("Selected options: %s", pterm.Green(selectedOptions))
}

interactive_select/demo

Animation

SHOW SOURCE 
package main

import (
	"fmt"

	"github.com/pterm/pterm"
)

func main() {
	var options []string

	for i := 0; i < 100; i++ {
		options = append(options, fmt.Sprintf("Option %d", i))
	}

	for i := 0; i < 5; i++ {
		options = append(options, fmt.Sprintf("You can use fuzzy searching (%d)", i))
	}

	selectedOption, _ := pterm.DefaultInteractiveSelect.WithOptions(options).Show()
	pterm.Info.Printfln("Selected option: %s", pterm.Green(selectedOption))
}

interactive_textinput/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	result, _ := pterm.DefaultInteractiveTextInput.WithMultiLine(false).Show()
	pterm.Println() // Blank line
	pterm.Info.Printfln("You answered: %s", result)
}

interactive_textinput/multi-line

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	result, _ := pterm.DefaultInteractiveTextInput.WithMultiLine().Show() // Text input with multi line enabled
	pterm.Println()                                                       // Blank line
	pterm.Info.Printfln("You answered: %s", result)
}

interactive_textinput/password

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	result, _ := pterm.DefaultInteractiveTextInput.WithMask("*").Show("Enter your password")

	logger := pterm.DefaultLogger
	logger.Info("Password received", logger.Args("password", result))
}

logger/custom-key-styles

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	logger := pterm.DefaultLogger.WithLevel(pterm.LogLevelTrace) // Only show logs with a level of Trace or higher.

	// Overwrite all key styles with a new map
	logger = logger.WithKeyStyles(map[string]pterm.Style{
		"priority": *pterm.NewStyle(pterm.FgRed),
	})

	// The priority key should now be red
	logger.Info("The priority key should now be red", logger.Args("priority", "low", "foo", "bar"))

	// Append a key style to the exisiting ones
	logger.AppendKeyStyle("foo", *pterm.NewStyle(pterm.FgBlue))

	// The foo key should now be blue
	logger.Info("The foo key should now be blue", logger.Args("priority", "low", "foo", "bar"))
}

logger/default

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"time"
)

func main() {
	logger := pterm.DefaultLogger.WithLevel(pterm.LogLevelTrace) // Only show logs with a level of Trace or higher.

	logger.Trace("Doing not so important stuff", logger.Args("priority", "super low"))

	// You can also use the `ArgsFromMap` function to create a `Args` object from a map.
	interstingStuff := map[string]any{
		"when were crayons invented":  "1903",
		"what is the meaning of life": 42,
		"is this interesting":         true,
	}
	logger.Debug("This might be interesting", logger.ArgsFromMap(interstingStuff))

	logger.Info("That was actually interesting", logger.Args("such", "wow"))
	logger.Warn("Oh no, I see an error coming to us!", logger.Args("speed", 88, "measures", "mph"))
	logger.Error("Damn, here it is!", logger.Args("error", "something went wrong"))
	logger.Info("But what's really cool is, that you can print very long logs, and PTerm will automatically wrap them for you! Say goodbye to text, that has weird line breaks!", logger.Args("very", "long"))
	time.Sleep(time.Second * 2)
	logger.Fatal("Oh no, this process is getting killed!", logger.Args("fatal", true))
}

logger/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"time"
)

func main() {
	logger := pterm.DefaultLogger.
		WithLevel(pterm.LogLevelTrace)

	logger.Trace("Doing not so important stuff", logger.Args("priority", "super low"))

	sleep()

	interstingStuff := map[string]any{
		"when were crayons invented":  "1903",
		"what is the meaning of life": 42,
		"is this interesting":         true,
	}
	logger.Debug("This might be interesting", logger.ArgsFromMap(interstingStuff))
	sleep()

	logger.Info("That was actually interesting", logger.Args("such", "wow"))
	sleep()
	logger.Warn("Oh no, I see an error coming to us!", logger.Args("speed", 88, "measures", "mph"))
	sleep()
	logger.Error("Damn, here it is!", logger.Args("error", "something went wrong"))
	sleep()
	logger.Info("But what's really cool is, that you can print very long logs, and PTerm will automatically wrap them for you! Say goodbye to text, that has weird line breaks!", logger.Args("very", "long"))
	sleep()
	logger.Fatal("Oh no, this process is getting killed!", logger.Args("fatal", true))
}

func sleep() {
	time.Sleep(time.Second * 3)
}

logger/json

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	logger := pterm.DefaultLogger.
		WithLevel(pterm.LogLevelTrace).       // Only show logs with a level of Trace or higher.
		WithFormatter(pterm.LogFormatterJSON) // ! Make the logger print JSON logs.

	logger.Trace("Doing not so important stuff", logger.Args("priority", "super low"))

	// You can also use the `ArgsFromMap` function to create a `Args` object from a map.
	interstingStuff := map[string]any{
		"when were crayons invented":  "1903",
		"what is the meaning of life": 42,
		"is this interesting":         true,
	}
	logger.Debug("This might be interesting", logger.ArgsFromMap(interstingStuff))

	logger.Info("That was actually interesting", logger.Args("such", "wow"))
	logger.Warn("Oh no, I see an error coming to us!", logger.Args("speed", 88, "measures", "mph"))
	logger.Error("Damn, here it is!", logger.Args("error", "something went wrong"))
	logger.Info("But what's really cool is, that you can print very long logs, and PTerm will automatically wrap them for you! Say goodbye to text, that has weird line breaks!", logger.Args("very", "long"))
	logger.Fatal("Oh no, this process is getting killed!", logger.Args("fatal", true))
}

logger/with-caller

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	logger := pterm.DefaultLogger.
		WithLevel(pterm.LogLevelTrace). // Only show logs with a level of Trace or higher.
		WithCaller()                    // ! Show the caller of the log function.

	logger.Trace("Doing not so important stuff", logger.Args("priority", "super low"))

	// You can also use the `ArgsFromMap` function to create a `Args` object from a map.
	interstingStuff := map[string]any{
		"when were crayons invented":  "1903",
		"what is the meaning of life": 42,
		"is this interesting":         true,
	}
	logger.Debug("This might be interesting", logger.ArgsFromMap(interstingStuff))

	logger.Info("That was actually interesting", logger.Args("such", "wow"))
	logger.Warn("Oh no, I see an error coming to us!", logger.Args("speed", 88, "measures", "mph"))
	logger.Error("Damn, here it is!", logger.Args("error", "something went wrong"))
	logger.Info("But what's really cool is, that you can print very long logs, and PTerm will automatically wrap them for you! Say goodbye to text, that has weird line breaks!", logger.Args("very", "long"))
	logger.Fatal("Oh no, this process is getting killed!", logger.Args("fatal", true))
}

panel/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Declare panels in a two dimensional grid system.
	panels := pterm.Panels{
		{{Data: "This is the first panel"}, {Data: pterm.DefaultHeader.Sprint("Hello, World!")}, {Data: "This\npanel\ncontains\nmultiple\nlines"}},
		{{Data: pterm.Red("This is another\npanel line")}, {Data: "This is the second panel\nwith a new line"}},
	}

	// Print panels.
	_ = pterm.DefaultPanel.WithPanels(panels).WithPadding(5).Render()
}

paragraph/customized

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print a paragraph with a custom maximal width.
	pterm.DefaultParagraph.WithMaxWidth(60).Println("This is a custom paragraph printer. As you can see, no words are separated, " +
		"but the text is split at the spaces. This is useful for continuous text of all kinds. You can manually change the line width if you want to." +
		"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam")

	// Print one line space.
	pterm.Println()

	// Print text without a paragraph printer.
	pterm.Println("This text is written with the default Println() function. No intelligent splitting here." +
		"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam")
}

paragraph/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print long text with default paragraph printer.
	pterm.DefaultParagraph.Println("This is the default paragraph printer. As you can see, no words are separated, " +
		"but the text is split at the spaces. This is useful for continuous text of all kinds. You can manually change the line width if you want to." +
		"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam")

	// Print one line space.
	pterm.Println()

	// Print long text without paragraph printer.
	pterm.Println("This text is written with the default Println() function. No intelligent splitting here." +
		"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam")
}

prefix/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Enable debug messages.
	pterm.EnableDebugMessages()

	pterm.Debug.Println("Hello, World!")                                                // Print Debug.
	pterm.Info.Println("Hello, World!")                                                 // Print Info.
	pterm.Success.Println("Hello, World!")                                              // Print Success.
	pterm.Warning.Println("Hello, World!")                                              // Print Warning.
	pterm.Error.Println("Errors show the filename and linenumber inside the terminal!") // Print Error.
	pterm.Info.WithShowLineNumber().Println("Other PrefixPrinters can do that too!")    // Print Error.
	// Temporarily set Fatal to false, so that the CI won't crash.
	pterm.Fatal.WithFatal(false).Println("Hello, World!") // Print Fatal.
}

progressbar/demo

Animation

SHOW SOURCE 
package main

import (
	"strings"
	"time"

	"github.com/pterm/pterm"
)

// Slice of strings with placeholder text.
var fakeInstallList = strings.Split("pseudo-excel pseudo-photoshop pseudo-chrome pseudo-outlook pseudo-explorer "+
	"pseudo-dops pseudo-git pseudo-vsc pseudo-intellij pseudo-minecraft pseudo-scoop pseudo-chocolatey", " ")

func main() {
	// Create progressbar as fork from the default progressbar.
	p, _ := pterm.DefaultProgressbar.WithTotal(len(fakeInstallList)).WithTitle("Downloading stuff").Start()

	for i := 0; i < p.Total; i++ {
		if i == 6 {
			time.Sleep(time.Second * 3) // Simulate a slow download.
		}
		p.UpdateTitle("Downloading " + fakeInstallList[i])         // Update the title of the progressbar.
		pterm.Success.Println("Downloading " + fakeInstallList[i]) // If a progressbar is running, each print will be printed above the progressbar.
		p.Increment()                                              // Increment the progressbar by one. Use Add(x int) to increment by a custom amount.
		time.Sleep(time.Millisecond * 350)                         // Sleep 350 milliseconds.
	}
}

section/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Print a section with level one.
	pterm.DefaultSection.Println("This is a section!")
	// Print placeholder.
	pterm.Info.Println("And here is some text.\nThis text could be anything.\nBasically it's just a placeholder")

	// Print a section with level two.
	pterm.DefaultSection.WithLevel(2).Println("This is another section!")
	// Print placeholder.
	pterm.Info.Println("And this is\nmore placeholder text")
}

spinner/demo

Animation

SHOW SOURCE 
package main

import (
	"time"

	"github.com/pterm/pterm"
)

func main() {
	// Create and start a fork of the default spinner.
	spinnerInfo, _ := pterm.DefaultSpinner.Start("Some informational action...")
	time.Sleep(time.Second * 2) // Simulate 3 seconds of processing something.
	spinnerInfo.Info()          // Resolve spinner with error message.

	// Create and start a fork of the default spinner.
	spinnerSuccess, _ := pterm.DefaultSpinner.Start("Doing something important... (will succeed)")
	time.Sleep(time.Second * 2) // Simulate 3 seconds of processing something.
	spinnerSuccess.Success()    // Resolve spinner with success message.

	// Create and start a fork of the default spinner.
	spinnerWarning, _ := pterm.DefaultSpinner.Start("Doing something important... (will warn)")
	time.Sleep(time.Second * 2) // Simulate 3 seconds of processing something.
	spinnerWarning.Warning()    // Resolve spinner with warning message.

	// Create and start a fork of the default spinner.
	spinnerFail, _ := pterm.DefaultSpinner.Start("Doing something important... (will fail)")
	time.Sleep(time.Second * 2) // Simulate 3 seconds of processing something.
	spinnerFail.Fail()          // Resolve spinner with error message.

	// Create and start a fork of the default spinner.
	spinnerNochange, _ := pterm.DefaultSpinner.Start("Checking something important... (will result in no change)")
	// Replace the InfoPrinter with a custom "NOCHG" one
	spinnerNochange.InfoPrinter = &pterm.PrefixPrinter{
		MessageStyle: &pterm.Style{pterm.FgLightBlue},
		Prefix: pterm.Prefix{
			Style: &pterm.Style{pterm.FgBlack, pterm.BgLightBlue},
			Text:  " NOCHG ",
		},
	}
	time.Sleep(time.Second * 2)                     // Simulate 3 seconds of processing something.
	spinnerNochange.Info("No change were required") // Resolve spinner with error message.

	// Create and start a fork of the default spinner.
	spinnerLiveText, _ := pterm.DefaultSpinner.Start("Doing a lot of stuff...")
	time.Sleep(time.Second)                          // Simulate 2 seconds of processing something.
	spinnerLiveText.UpdateText("It's really much")   // Update spinner text.
	time.Sleep(time.Second)                          // Simulate 2 seconds of processing something.
	spinnerLiveText.UpdateText("We're nearly done!") // Update spinner text.
	time.Sleep(time.Second)                          // Simulate 2 seconds of processing something.
	spinnerLiveText.Success("Finally!")              // Resolve spinner with success message.
}

style/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Create styles as new variables
	primary := pterm.NewStyle(pterm.FgLightCyan, pterm.BgGray, pterm.Bold)
	secondary := pterm.NewStyle(pterm.FgLightGreen, pterm.BgWhite, pterm.Italic)

	// Use created styles
	primary.Println("Hello, World!")
	secondary.Println("Hello, World!")
}

table/boxed

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Create a fork of the default table, fill it with data and print it.
	// Data can also be generated and inserted later.
	pterm.DefaultTable.WithHasHeader().WithBoxed().WithData(pterm.TableData{
		{"Firstname", "Lastname", "Email", "Note"},
		{"Paul", "Dean", "augue@velitAliquam.co.uk", ""},
		{"Callie", "Mckay", "nunc.sed@est.com", "这是一个测试, haha!"},
		{"Libby", "Camacho", "lobortis@semper.com", "just a test, hey!"},
		{"张", "小宝", "zhang@example.com", ""},
	}).Render()
}

table/demo

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Create a fork of the default table, fill it with data and print it.
	// Data can also be generated and inserted later.
	pterm.DefaultTable.WithHasHeader().WithData(pterm.TableData{
		{"Firstname", "Lastname", "Email", "Note"},
		{"Paul", "Dean", "augue@velitAliquam.co.uk", ""},
		{"Callie", "Mckay", "nunc.sed@est.com", "这是一个测试, haha!"},
		{"Libby", "Camacho", "lobortis@semper.com", "just a test, hey!"},
		{"张", "小宝", "zhang@example.com", ""},
	}).Render()

	pterm.Println() // Blank line

	// Create a table with multiple lines in a row.
	pterm.DefaultTable.WithHasHeader().WithData(pterm.TableData{
		{"Firstname", "Lastname", "Email"},
		{"Paul\n\nNewline", "Dean", "augue@velitAliquam.co.uk"},
		{"Callie", "Mckay", "nunc.sed@est.com\nNewline"},
		{"Libby", "Camacho", "lobortis@semper.com"},
		{"张", "小宝", "zhang@example.com"},
	}).Render()
}

table/multiple-lines

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Create a table with multiple lines in a row and set a row separator.
	pterm.DefaultTable.WithHasHeader().WithRowSeparator("-").WithHeaderRowSeparator("-").WithData(pterm.TableData{
		{"Firstname", "Lastname", "Email"},
		{"Paul\n\nNewline", "Dean", "augue@velitAliquam.co.uk"},
		{"Callie", "Mckay", "nunc.sed@est.com\nNewline"},
		{"Libby", "Camacho", "lobortis@semper.com"},
		{"张", "小宝", "zhang@example.com"},
	}).Render()
}

table/right-alignment

Animation

SHOW SOURCE 
package main

import "github.com/pterm/pterm"

func main() {
	// Create a fork of the default table, fill it with data and print it.
	// Data can also be generated and inserted later.
	pterm.DefaultTable.WithHasHeader().WithRightAlignment().WithData(pterm.TableData{
		{"Firstname", "Lastname", "Email", "Note"},
		{"Paul", "Dean", "augue@velitAliquam.co.uk", ""},
		{"Callie", "Mckay", "nunc.sed@est.com", "这是一个测试, haha!"},
		{"Libby", "Camacho", "lobortis@semper.com", "just a test, hey!"},
		{"张", "小宝", "zhang@example.com", ""},
	}).Render()
}

theme/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"reflect"
	"time"
)

func main() {
	// Print info.
	pterm.Info.Println("These are the default theme styles.\n" +
		"You can modify them easily to your personal preference,\n" +
		"or create new themes from scratch :)")

	pterm.Println() // Print one line space.

	// Print every value of the default theme with its own style.
	v := reflect.ValueOf(pterm.ThemeDefault)
	typeOfS := v.Type()

	if typeOfS == reflect.TypeOf(pterm.Theme{}) {
		for i := 0; i < v.NumField(); i++ {
			field, ok := v.Field(i).Interface().(pterm.Style)
			if ok {
				field.Println(typeOfS.Field(i).Name)
			}
			time.Sleep(time.Millisecond * 250)
		}
	}
}

tree/demo

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
)

func main() {
	tree := pterm.TreeNode{
		Text: "Top node",
		Children: []pterm.TreeNode{{
			Text: "Child node",
			Children: []pterm.TreeNode{
				{Text: "Grandchild node"},
				{Text: "Grandchild node"},
				{Text: "Grandchild node"},
			},
		}},
	}

	pterm.DefaultTree.WithRoot(tree).Render()
}

tree/from-leveled-list

Animation

SHOW SOURCE 
package main

import (
	"github.com/pterm/pterm"
	"github.com/pterm/pterm/putils"
)

func main() {
	// You can use a LeveledList here, for easy generation.
	leveledList := pterm.LeveledList{
		pterm.LeveledListItem{Level: 0, Text: "C:"},
		pterm.LeveledListItem{Level: 1, Text: "Users"},
		pterm.LeveledListItem{Level: 1, Text: "Windows"},
		pterm.LeveledListItem{Level: 1, Text: "Programs"},
		pterm.LeveledListItem{Level: 1, Text: "Programs(x86)"},
		pterm.LeveledListItem{Level: 1, Text: "dev"},
		pterm.LeveledListItem{Level: 0, Text: "D:"},
		pterm.LeveledListItem{Level: 0, Text: "E:"},
		pterm.LeveledListItem{Level: 1, Text: "Movies"},
		pterm.LeveledListItem{Level: 1, Text: "Music"},
		pterm.LeveledListItem{Level: 2, Text: "LinkinPark"},
		pterm.LeveledListItem{Level: 1, Text: "Games"},
		pterm.LeveledListItem{Level: 2, Text: "Shooter"},
		pterm.LeveledListItem{Level: 3, Text: "CallOfDuty"},
		pterm.LeveledListItem{Level: 3, Text: "CS:GO"},
		pterm.LeveledListItem{Level: 3, Text: "Battlefield"},
		pterm.LeveledListItem{Level: 4, Text: "Battlefield 1"},
		pterm.LeveledListItem{Level: 4, Text: "Battlefield 2"},
		pterm.LeveledListItem{Level: 0, Text: "F:"},
		pterm.LeveledListItem{Level: 1, Text: "dev"},
		pterm.LeveledListItem{Level: 2, Text: "dops"},
		pterm.LeveledListItem{Level: 2, Text: "PTerm"},
	}

	// Generate tree from LeveledList.
	root := putils.TreeFromLeveledList(leveledList)
	root.Text = "Computer"

	// Render TreePrinter
	pterm.DefaultTree.WithRoot(root).Render()
}

GitHub @pterm  ·  Author @MarvinJWendt | PTerm.sh

Documentation

Overview

Package pterm is a modern go module to beautify console output. It can be used without configuration, but if desired, everything can be customized down to the smallest detail.

Official docs are available at: https://docs.pterm.sh

View the animated examples here: https://github.com/pterm/pterm#-examples

Index

Constants

This section is empty.

Variables

View Source 
var (
	// Red is an alias for FgRed.Sprint.
	Red = FgRed.Sprint
	// Cyan is an alias for FgCyan.Sprint.
	Cyan = FgCyan.Sprint
	// Gray is an alias for FgGray.Sprint.
	Gray = FgGray.Sprint
	// Blue is an alias for FgBlue.Sprint.
	Blue = FgBlue.Sprint
	// Black is an alias for FgBlack.Sprint.
	Black = FgBlack.Sprint
	// Green is an alias for FgGreen.Sprint.
	Green = FgGreen.Sprint
	// White is an alias for FgWhite.Sprint.
	White = FgWhite.Sprint
	// Yellow is an alias for FgYellow.Sprint.
	Yellow = FgYellow.Sprint
	// Magenta is an alias for FgMagenta.Sprint.
	Magenta = FgMagenta.Sprint

	// Normal is an alias for FgDefault.Sprint.
	Normal = FgDefault.Sprint

	// LightRed is a shortcut for FgLightRed.Sprint.
	LightRed = FgLightRed.Sprint
	// LightCyan is a shortcut for FgLightCyan.Sprint.
	LightCyan = FgLightCyan.Sprint
	// LightBlue is a shortcut for FgLightBlue.Sprint.
	LightBlue = FgLightBlue.Sprint
	// LightGreen is a shortcut for FgLightGreen.Sprint.
	LightGreen = FgLightGreen.Sprint
	// LightWhite is a shortcut for FgLightWhite.Sprint.
	LightWhite = FgLightWhite.Sprint
	// LightYellow is a shortcut for FgLightYellow.Sprint.
	LightYellow = FgLightYellow.Sprint
	// LightMagenta is a shortcut for FgLightMagenta.Sprint.
	LightMagenta = FgLightMagenta.Sprint
)
View Source 
var (
	// ErrTerminalSizeNotDetectable - the terminal size can not be detected and the fallback values are used.
	ErrTerminalSizeNotDetectable = errors.New("terminal size could not be detected - using fallback value")

	// ErrHexCodeIsInvalid - the given HEX code is invalid.
	ErrHexCodeIsInvalid = errors.New("hex code is not valid")
)
View Source 
var (
	// Info returns a PrefixPrinter, which can be used to print text with an "info" Prefix.
	Info = PrefixPrinter{
		MessageStyle: &ThemeDefault.InfoMessageStyle,
		Prefix: Prefix{
			Style: &ThemeDefault.InfoPrefixStyle,
			Text:  "INFO",
		},
	}

	// Warning returns a PrefixPrinter, which can be used to print text with a "warning" Prefix.
	Warning = PrefixPrinter{
		MessageStyle: &ThemeDefault.WarningMessageStyle,
		Prefix: Prefix{
			Style: &ThemeDefault.WarningPrefixStyle,
			Text:  "WARNING",
		},
	}

	// Success returns a PrefixPrinter, which can be used to print text with a "success" Prefix.
	Success = PrefixPrinter{
		MessageStyle: &ThemeDefault.SuccessMessageStyle,
		Prefix: Prefix{
			Style: &ThemeDefault.SuccessPrefixStyle,
			Text:  "SUCCESS",
		},
	}

	// Error returns a PrefixPrinter, which can be used to print text with an "error" Prefix.
	Error = PrefixPrinter{
		MessageStyle: &ThemeDefault.ErrorMessageStyle,
		Prefix: Prefix{
			Style: &ThemeDefault.ErrorPrefixStyle,
			Text:  " ERROR ",
		},
	}

	// Fatal returns a PrefixPrinter, which can be used to print text with an "fatal" Prefix.
	// NOTICE: Fatal terminates the application immediately!
	Fatal = PrefixPrinter{
		MessageStyle: &ThemeDefault.FatalMessageStyle,
		Prefix: Prefix{
			Style: &ThemeDefault.FatalPrefixStyle,
			Text:  " FATAL ",
		},
		Fatal: true,
	}

	// Debug Prints debug messages. By default it will only print if PrintDebugMessages is true.
	// You can change PrintDebugMessages with EnableDebugMessages and DisableDebugMessages, or by setting the variable itself.
	Debug = PrefixPrinter{
		MessageStyle: &ThemeDefault.DebugMessageStyle,
		Prefix: Prefix{
			Text:  " DEBUG ",
			Style: &ThemeDefault.DebugPrefixStyle,
		},
		Debugger: true,
	}

	// Description returns a PrefixPrinter, which can be used to print text with a "description" Prefix.
	Description = PrefixPrinter{
		MessageStyle: &ThemeDefault.DescriptionMessageStyle,
		Prefix: Prefix{
			Style: &ThemeDefault.DescriptionPrefixStyle,
			Text:  "Description",
		},
	}
)
View Source 
var (
	// Output completely disables output from pterm if set to false. Can be used in CLI application quiet mode.
	Output = true

	// PrintDebugMessages sets if messages printed by the DebugPrinter should be printed.
	PrintDebugMessages = false

	// RawOutput is set to true if pterm.DisableStyling() was called.
	// The variable indicates that PTerm will not add additional styling to text.
	// Use pterm.DisableStyling() or pterm.EnableStyling() to change this variable.
	// Changing this variable directly, will disable or enable the output of colored text.
	RawOutput = false
)
View Source 
var ActiveProgressBarPrinters []*ProgressbarPrinter

ActiveProgressBarPrinters contains all running ProgressbarPrinters. Generally, there should only be one active ProgressbarPrinter at a time.

View Source 
var DefaultArea = AreaPrinter{}

DefaultArea is the default area printer.

View Source 
var (
	// DefaultBarChart is the default BarChartPrinter.
	DefaultBarChart = BarChartPrinter{
		Horizontal:             false,
		VerticalBarCharacter:   "██",
		HorizontalBarCharacter: "█",

		Height: GetTerminalHeight() * 2 / 3,
		Width:  GetTerminalWidth() * 2 / 3,
	}
)
View Source 
var (
	// DefaultBasicText returns a default BasicTextPrinter, which can be used to print text as is.
	// No default style is present for BasicTextPrinter.
	DefaultBasicText = BasicTextPrinter{}
)
View Source 
var DefaultBigText = BigTextPrinter{
	BigCharacters: map[string]string{
		"a": ` █████  
██   ██ 
███████ 
██   ██ 
██   ██ `,
		"A": ` █████  
██   ██ 
███████ 
██   ██ 
██   ██ `,
		"b": `██████  
██   ██ 
██████  
██   ██ 
██████`,
		"B": `██████  
██   ██ 
██████  
██   ██ 
██████`,
		"c": ` ██████ 
██      
██      
██      
 ██████`,
		"C": ` ██████ 
██      
██      
██      
 ██████`,
		"d": `██████  
██   ██ 
██   ██ 
██   ██ 
██████ `,
		"D": `██████  
██   ██ 
██   ██ 
██   ██ 
██████ `,
		"e": `███████ 
██      
█████   
██      
███████`,
		"E": `███████ 
██      
█████   
██      
███████`,
		"f": `███████ 
██      
█████   
██      
██     `,
		"F": `███████ 
██      
█████   
██      
██     `,
		"g": ` ██████  
██       
██   ███ 
██    ██ 
 ██████  `,
		"G": ` ██████  
██       
██   ███ 
██    ██ 
 ██████  `,
		"h": `██   ██ 
██   ██ 
███████ 
██   ██ 
██   ██ `,
		"H": `██   ██ 
██   ██ 
███████ 
██   ██ 
██   ██ `,
		"i": `██ 
██ 
██ 
██ 
██`,
		"I": `██ 
██ 
██ 
██ 
██`,
		"j": `     ██ 
     ██ 
     ██ 
██   ██ 
 █████ `,
		"J": `     ██ 
     ██ 
     ██ 
██   ██ 
 █████ `,
		"k": `██   ██ 
██  ██  
█████   
██  ██  
██   ██`,
		"K": `██   ██ 
██  ██  
█████   
██  ██  
██   ██`,
		"l": `██      
██      
██      
██      
███████ `,
		"L": `██      
██      
██      
██      
███████ `,
		"m": `███    ███ 
████  ████ 
██ ████ ██ 
██  ██  ██ 
██      ██`,
		"M": `███    ███ 
████  ████ 
██ ████ ██ 
██  ██  ██ 
██      ██`,
		"n": `███    ██ 
████   ██ 
██ ██  ██ 
██  ██ ██ 
██   ████`,
		"N": `███    ██ 
████   ██ 
██ ██  ██ 
██  ██ ██ 
██   ████`,
		"o": ` ██████  
██    ██ 
██    ██ 
██    ██ 
 ██████  `,
		"O": ` ██████  
██    ██ 
██    ██ 
██    ██ 
 ██████  `,
		"p": `██████  
██   ██ 
██████  
██      
██     `,
		"P": `██████  
██   ██ 
██████  
██      
██     `,
		"q": ` ██████  
██    ██ 
██    ██ 
██ ▄▄ ██ 
 ██████  
    ▀▀   `,
		"Q": ` ██████  
██    ██ 
██    ██ 
██ ▄▄ ██ 
 ██████  
    ▀▀   `,
		"r": `██████  
██   ██ 
██████  
██   ██ 
██   ██`,
		"R": `██████  
██   ██ 
██████  
██   ██ 
██   ██`,
		"s": `███████ 
██      
███████ 
     ██ 
███████`,
		"S": `███████ 
██      
███████ 
     ██ 
███████`,
		"t": `████████ 
   ██    
   ██    
   ██    
   ██    `,
		"T": `████████ 
   ██    
   ██    
   ██    
   ██    `,
		"u": `██    ██ 
██    ██ 
██    ██ 
██    ██ 
 ██████ `,
		"U": `██    ██ 
██    ██ 
██    ██ 
██    ██ 
 ██████ `,
		"v": `██    ██ 
██    ██ 
██    ██ 
 ██  ██  
  ████   `,
		"V": `██    ██ 
██    ██ 
██    ██ 
 ██  ██  
  ████   `,
		"w": `██     ██ 
██     ██ 
██  █  ██ 
██ ███ ██ 
 ███ ███ `,
		"W": `██     ██ 
██     ██ 
██  █  ██ 
██ ███ ██ 
 ███ ███ `,
		"x": `██   ██ 
 ██ ██  
  ███   
 ██ ██  
██   ██ `,
		"X": `██   ██ 
 ██ ██  
  ███   
 ██ ██  
██   ██ `,
		"y": `██    ██ 
 ██  ██  
  ████   
   ██    
   ██   `,
		"Y": `██    ██ 
 ██  ██  
  ████   
   ██    
   ██   `,
		"z": `███████ 
   ███  
  ███   
 ███    
███████`,
		"Z": `███████ 
   ███  
  ███   
 ███    
███████`,
		"0": ` ██████  
██  ████ 
██ ██ ██ 
████  ██ 
 ██████ `,
		"1": ` ██ 
███ 
 ██ 
 ██ 
 ██ `,
		"2": `██████  
     ██ 
 █████  
██      
███████ `,
		"3": `██████  
     ██ 
 █████  
     ██ 
██████ `,
		"4": `██   ██ 
██   ██ 
███████ 
     ██ 
     ██ `,
		"5": `███████ 
██      
███████ 
     ██ 
███████`,
		"6": ` ██████  
██       
███████  
██    ██ 
 ██████ `,
		"7": `███████ 
     ██ 
    ██  
   ██   
   ██`,
		"8": ` █████  
██   ██ 
 █████  
██   ██ 
 █████ `,
		"9": ` █████  
██   ██ 
 ██████ 
     ██ 
 █████ `,
		" ": "    ",
		"!": `██ 
██ 
██ 
   
██ `,
		"$": `▄▄███▄▄·
██      
███████ 
     ██ 
███████ 
  ▀▀▀  `,
		"%": `██  ██ 
   ██  
  ██   
 ██    
██  ██`,
		"/": `    ██ 
   ██  
  ██   
 ██    
██   `,
		"(": ` ██ 
██  
██  
██  
 ██ `,
		")": `██  
 ██ 
 ██ 
 ██ 
██  `,
		"?": `██████  
     ██ 
  ▄███  
  ▀▀    
  ██   `,
		"[": `███ 
██  
██  
██  
███`,
		"]": `███ 
 ██ 
 ██ 
 ██ 
███ `,
		".": `   
   
   
   
██`,
		",": `   
   
   
   
▄█`,
		"-": `      
      
█████ 
      
      
     `,
		"<": `  ██ 
 ██  
██   
 ██  
  ██ `,
		">": `██   
 ██  
  ██ 
 ██  
██ `,
		"*": `      
▄ ██ ▄
 ████ 
▀ ██ ▀
     `,
		"#": ` ██  ██  
████████ 
 ██  ██  
████████ 
 ██  ██ `,
		"_": `        
        
        
        
███████ `,
		":": `   
██ 
   
   
██ `,
		"°": ` ████  
██  ██ 
 ████  
       
      `,
	},
}

DefaultBigText contains default values for BigTextPrinter.

View Source 
var DefaultBox = BoxPrinter{
	VerticalString:          "|",
	TopRightCornerString:    "└",
	TopLeftCornerString:     "┘",
	BottomLeftCornerString:  "┐",
	BottomRightCornerString: "┌",
	HorizontalString:        "─",
	BoxStyle:                &ThemeDefault.BoxStyle,
	TextStyle:               &ThemeDefault.BoxTextStyle,
	RightPadding:            1,
	LeftPadding:             1,
	TopPadding:              0,
	BottomPadding:           0,
	TitleTopLeft:            true,
}

DefaultBox is the default BoxPrinter.

View Source 
var DefaultBulletList = BulletListPrinter{
	Bullet:      "•",
	TextStyle:   &ThemeDefault.BulletListTextStyle,
	BulletStyle: &ThemeDefault.BulletListBulletStyle,
}

DefaultBulletList contains standards, which can be used to print a BulletListPrinter.

View Source 
var DefaultCenter = CenterPrinter{
	CenterEachLineSeparately: false,
}

DefaultCenter is the default CenterPrinter.

View Source 
var (
	// DefaultHeader returns the printer for a default header text.
	// Defaults to LightWhite, Bold Text and a Gray DefaultHeader background.
	DefaultHeader = HeaderPrinter{
		TextStyle:       &ThemeDefault.HeaderTextStyle,
		BackgroundStyle: &ThemeDefault.HeaderBackgroundStyle,
		Margin:          5,
	}
)
View Source 
var (
	// DefaultInteractiveConfirm is the default InteractiveConfirm printer.
	// Pressing "y" will return true, "n" will return false.
	// Pressing enter without typing "y" or "n" will return the configured default value (by default set to "no").
	DefaultInteractiveConfirm = InteractiveConfirmPrinter{
		DefaultValue: false,
		DefaultText:  "Please confirm",
		TextStyle:    &ThemeDefault.PrimaryStyle,
		ConfirmText:  "Yes",
		ConfirmStyle: &ThemeDefault.SuccessMessageStyle,
		RejectText:   "No",
		RejectStyle:  &ThemeDefault.ErrorMessageStyle,
		SuffixStyle:  &ThemeDefault.SecondaryStyle,
	}
)
View Source 
var (
	// DefaultInteractiveContinue is the default InteractiveContinue printer.
	// Pressing "y" will return yes, "n" will return no, "a" returns all and "s" returns stop.
	// Pressing enter without typing any letter will return the configured default value (by default set to "yes", the fisrt option).
	DefaultInteractiveContinue = InteractiveContinuePrinter{
		DefaultValueIndex: 0,
		DefaultText:       "Do you want to continue",
		TextStyle:         &ThemeDefault.PrimaryStyle,
		Options:           []string{"yes", "no", "all", "cancel"},
		OptionsStyle:      &ThemeDefault.SuccessMessageStyle,
		SuffixStyle:       &ThemeDefault.SecondaryStyle,
	}
)
View Source 
var (
	// DefaultInteractiveMultiselect is the default InteractiveMultiselect printer.
	DefaultInteractiveMultiselect = InteractiveMultiselectPrinter{
		TextStyle:      &ThemeDefault.PrimaryStyle,
		DefaultText:    "Please select your options",
		Options:        []string{},
		OptionStyle:    &ThemeDefault.DefaultText,
		DefaultOptions: []string{},
		MaxHeight:      5,
		Selector:       ">",
		SelectorStyle:  &ThemeDefault.SecondaryStyle,
		Filter:         true,
		KeySelect:      keys.Enter,
		KeyConfirm:     keys.Tab,
		Checkmark:      &ThemeDefault.Checkmark,
	}
)
View Source 
var (
	// DefaultInteractiveSelect is the default InteractiveSelect printer.
	DefaultInteractiveSelect = InteractiveSelectPrinter{
		TextStyle:     &ThemeDefault.PrimaryStyle,
		DefaultText:   "Please select an option",
		Options:       []string{},
		OptionStyle:   &ThemeDefault.DefaultText,
		DefaultOption: "",
		MaxHeight:     5,
		Selector:      ">",
		SelectorStyle: &ThemeDefault.SecondaryStyle,
		Filter:        true,
	}
)
View Source 
var (
	// DefaultInteractiveTextInput is the default InteractiveTextInput printer.
	DefaultInteractiveTextInput = InteractiveTextInputPrinter{
		DefaultText: "Input text",
		TextStyle:   &ThemeDefault.PrimaryStyle,
		Mask:        "",
	}
)
View Source 
var DefaultLogger = Logger{
	Formatter:  LogFormatterColorful,
	Writer:     os.Stdout,
	Level:      LogLevelInfo,
	ShowTime:   true,
	TimeFormat: "2006-01-02 15:04:05",
	MaxWidth:   80,
	KeyStyles: map[string]Style{
		"error":  *NewStyle(FgRed, Bold),
		"err":    *NewStyle(FgRed, Bold),
		"caller": *NewStyle(FgGray, Bold),
	},
}

DefaultLogger is the default logger.

View Source 
var DefaultPanel = PanelPrinter{
	Padding: 1,
}

DefaultPanel is the default PanelPrinter.

View Source 
var DefaultParagraph = ParagraphPrinter{
	MaxWidth: GetTerminalWidth(),
}

DefaultParagraph contains the default values for a ParagraphPrinter.

View Source 
var (
	// DefaultProgressbar is the default ProgressbarPrinter.
	DefaultProgressbar = ProgressbarPrinter{
		Total:                     100,
		BarCharacter:              "█",
		LastCharacter:             "█",
		ElapsedTimeRoundingFactor: time.Second,
		BarStyle:                  &ThemeDefault.ProgressbarBarStyle,
		TitleStyle:                &ThemeDefault.ProgressbarTitleStyle,
		ShowTitle:                 true,
		ShowCount:                 true,
		ShowPercentage:            true,
		ShowElapsedTime:           true,
		BarFiller:                 Gray("█"),
		MaxWidth:                  80,
	}
)
View Source 
var DefaultSection = SectionPrinter{
	Style:           &ThemeDefault.SectionStyle,
	Level:           1,
	TopPadding:      1,
	BottomPadding:   1,
	IndentCharacter: "#",
}

DefaultSection is the default section printer.

View Source 
var DefaultSpinner = SpinnerPrinter{
	Sequence:            []string{"▀ ", " ▀", " ▄", "▄ "},
	Style:               &ThemeDefault.SpinnerStyle,
	Delay:               time.Millisecond * 200,
	ShowTimer:           true,
	TimerRoundingFactor: time.Second,
	TimerStyle:          &ThemeDefault.TimerStyle,
	MessageStyle:        &ThemeDefault.SpinnerTextStyle,
	InfoPrinter:         &Info,
	SuccessPrinter:      &Success,
	FailPrinter:         &Error,
	WarningPrinter:      &Warning,
}

DefaultSpinner is the default SpinnerPrinter.

View Source 
var DefaultTable = TablePrinter{
	Style:                   &ThemeDefault.TableStyle,
	HeaderStyle:             &ThemeDefault.TableHeaderStyle,
	HeaderRowSeparator:      "",
	HeaderRowSeparatorStyle: &ThemeDefault.TableSeparatorStyle,
	Separator:               " | ",
	SeparatorStyle:          &ThemeDefault.TableSeparatorStyle,
	RowSeparator:            "",
	RowSeparatorStyle:       &ThemeDefault.TableSeparatorStyle,
	LeftAlignment:           true,
	RightAlignment:          false,
}

DefaultTable contains standards, which can be used to print a TablePrinter.

View Source 
var DefaultTree = TreePrinter{
	TreeStyle:            &ThemeDefault.TreeStyle,
	TextStyle:            &ThemeDefault.TreeTextStyle,
	TopRightCornerString: "└",
	HorizontalString:     "─",
	TopRightDownString:   "├",
	VerticalString:       "│",
	RightDownLeftString:  "┬",
	Indent:               2,
}

DefaultTree contains standards, which can be used to render a TreePrinter.

View Source 
var FallbackTerminalHeight = 10

FallbackTerminalHeight is the value used for GetTerminalHeight, if the actual height can not be detected You can override that value if necessary.

View Source 
var FallbackTerminalWidth = 80

FallbackTerminalWidth is the value used for GetTerminalWidth, if the actual width can not be detected You can override that value if necessary.

View Source 
var (
	// GrayBoxStyle wraps text in a gray box.
	GrayBoxStyle = NewStyle(BgGray, FgLightWhite)
)
View Source 
var PrintColor = true

PrintColor is false if PTerm should not print colored output.

View Source 
var (
	// ThemeDefault is the default theme used by PTerm.
	// If this variable is overwritten, the new value is used as default theme.
	ThemeDefault = Theme{
		DefaultText:             Style{FgDefault, BgDefault},
		PrimaryStyle:            Style{FgLightCyan},
		SecondaryStyle:          Style{FgLightMagenta},
		HighlightStyle:          Style{Bold, FgYellow},
		InfoMessageStyle:        Style{FgLightCyan},
		InfoPrefixStyle:         Style{FgBlack, BgCyan},
		SuccessMessageStyle:     Style{FgGreen},
		SuccessPrefixStyle:      Style{FgBlack, BgGreen},
		WarningMessageStyle:     Style{FgYellow},
		WarningPrefixStyle:      Style{FgBlack, BgYellow},
		ErrorMessageStyle:       Style{FgLightRed},
		ErrorPrefixStyle:        Style{FgBlack, BgLightRed},
		FatalMessageStyle:       Style{FgLightRed},
		FatalPrefixStyle:        Style{FgBlack, BgLightRed},
		DescriptionMessageStyle: Style{FgDefault},
		DescriptionPrefixStyle:  Style{FgLightWhite, BgDarkGray},
		ScopeStyle:              Style{FgGray},
		ProgressbarBarStyle:     Style{FgCyan},
		ProgressbarTitleStyle:   Style{FgLightCyan},
		HeaderTextStyle:         Style{FgLightWhite, Bold},
		HeaderBackgroundStyle:   Style{BgGray},
		SpinnerStyle:            Style{FgLightCyan},
		SpinnerTextStyle:        Style{FgLightWhite},
		TableStyle:              Style{FgDefault},
		TableHeaderStyle:        Style{FgLightCyan},
		TableSeparatorStyle:     Style{FgGray},
		SectionStyle:            Style{Bold, FgYellow},
		BulletListTextStyle:     Style{FgDefault},
		BulletListBulletStyle:   Style{FgGray},
		TreeStyle:               Style{FgGray},
		TreeTextStyle:           Style{FgDefault},
		LetterStyle:             Style{FgDefault},
		DebugMessageStyle:       Style{FgGray},
		DebugPrefixStyle:        Style{FgBlack, BgGray},
		BoxStyle:                Style{FgDefault},
		BoxTextStyle:            Style{FgDefault},
		BarLabelStyle:           Style{FgLightCyan},
		BarStyle:                Style{FgCyan},
		TimerStyle:              Style{FgGray},
		Checkmark: Checkmark{
			Checked:   Green("✓"),
			Unchecked: Red("✗"),
		},
	}
)

Functions

func DisableColor added in v0.9.2 

func DisableColor()

DisableColor disables colors.

func DisableDebugMessages added in v0.9.0 

func DisableDebugMessages()

DisableDebugMessages disables the output of debug printers.

func DisableOutput added in v0.5.1 

func DisableOutput()

DisableOutput disables the output of PTerm.

func DisableStyling added in v0.12.15 

func DisableStyling()

DisableStyling sets PTerm to RawOutput mode and disables all of PTerms styling. You can use this to print to text files etc. This also calls DisableColor.

func EnableColor added in v0.9.2 

func EnableColor()

EnableColor enables colors.

func EnableDebugMessages added in v0.9.0 

func EnableDebugMessages()

EnableDebugMessages enables the output of debug printers.

func EnableOutput added in v0.10.0 

func EnableOutput()

EnableOutput enables the output of PTerm.

func EnableStyling added in v0.12.15 

func EnableStyling()

EnableStyling enables the default PTerm styling. This also calls EnableColor.

func Fprint added in v0.1.0 

func Fprint(writer io.Writer, a ...interface{})

Fprint formats using the default formats for its operands and writes to w. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func Fprintln added in v0.1.0 

func Fprintln(writer io.Writer, a ...interface{})

Fprintln formats using the default formats for its operands and writes to w. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func Fprinto added in v0.1.0 

func Fprinto(w io.Writer, a ...interface{})

Fprinto prints Printo to a custom writer.

func GetTerminalHeight added in v0.1.0 

func GetTerminalHeight() int

GetTerminalHeight returns the terminal height of the active terminal.

func GetTerminalSize added in v0.1.0 

func GetTerminalSize() (width, height int, err error)

GetTerminalSize returns the width and the height of the active terminal.

func GetTerminalWidth added in v0.1.0 

func GetTerminalWidth() int

GetTerminalWidth returns the terminal width of the active terminal.

func Print 

func Print(a ...interface{})

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func PrintOnError added in v0.12.19 

func PrintOnError(a ...interface{})

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func PrintOnErrorf added in v0.12.33 

func PrintOnErrorf(format string, a ...interface{})

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func Printf 

func Printf(format string, a ...interface{})

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func Printfln added in v0.12.14 

func Printfln(format string, a ...interface{})

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func Println 

func Println(a ...interface{})

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func Printo added in v0.1.0 

func Printo(a ...interface{})

Printo overrides the current line in a terminal. If the current line is empty, the text will be printed like with pterm.Print. Example: 

pterm.Printo("Hello, World")
time.Sleep(time.Second)
pterm.Printo("Hello, Earth!")

func RecalculateTerminalSize added in v0.12.34 

func RecalculateTerminalSize()

RecalculateTerminalSize updates already initialized terminal dimensions. Has to be called after a terminal resize to guarantee proper rendering. Applies only to new instances.

func RemoveColorFromString added in v0.4.0 

func RemoveColorFromString(a ...interface{}) string

RemoveColorFromString removes color codes from a string.

func SetDefaultOutput added in v0.3.1 

func SetDefaultOutput(w io.Writer)

SetDefaultOutput sets the default output of pterm.

func SetForcedTerminalSize added in v0.12.34 

func SetForcedTerminalSize(width int, height int)

setForcedTerminalSize turns off terminal size autodetection. Usuful for unified tests.

func Sprint 

func Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func Sprintf 

func Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func Sprintfln added in v0.12.14 

func Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func Sprintln added in v0.2.0 

func Sprintln(a ...interface{}) string

Sprintln returns what Println would print to the terminal.

func Sprinto added in v0.2.3 

func Sprinto(a ...interface{}) string

Sprinto returns what Printo would print.

Types

type AreaPrinter added in v0.12.18 

type AreaPrinter struct {
	RemoveWhenDone bool
	Fullscreen     bool
	Center         bool
	// contains filtered or unexported fields
}

AreaPrinter prints an area which can be updated easily. use this printer for live output like charts, algorithm visualizations, simulations and even games.

func (*AreaPrinter) Clear added in v0.12.32 

func (p *AreaPrinter) Clear()

Clear is a Wrapper function that clears the content of the Area moves the cursor to the bottom of the terminal, clears n lines upwards from the current position and moves the cursor again.

func (*AreaPrinter) GenericStart added in v0.12.18 

func (p *AreaPrinter) GenericStart() (*LivePrinter, error)

GenericStart runs Start, but returns a LivePrinter. This is used for the interface LivePrinter. You most likely want to use Start instead of this in your program.

func (*AreaPrinter) GenericStop added in v0.12.18 

func (p *AreaPrinter) GenericStop() (*LivePrinter, error)

GenericStop runs Stop, but returns a LivePrinter. This is used for the interface LivePrinter. You most likely want to use Stop instead of this in your program.

func (*AreaPrinter) GetContent added in v0.12.18 

func (p *AreaPrinter) GetContent() string

GetContent returns the current area content.

func (*AreaPrinter) Start added in v0.12.18 

func (p *AreaPrinter) Start(text ...interface{}) (*AreaPrinter, error)

Start the AreaPrinter.

func (*AreaPrinter) Stop added in v0.12.18 

func (p *AreaPrinter) Stop() error

Stop terminates the AreaPrinter immediately. The AreaPrinter will not resolve into anything.

func (*AreaPrinter) Update added in v0.12.18 

func (p *AreaPrinter) Update(text ...interface{})

Update overwrites the content of the AreaPrinter. Can be used live.

func (AreaPrinter) WithCenter added in v0.12.18 

func (p AreaPrinter) WithCenter(b ...bool) *AreaPrinter

WithCenter centers the AreaPrinter content to the terminal.

func (AreaPrinter) WithFullscreen added in v0.12.18 

func (p AreaPrinter) WithFullscreen(b ...bool) *AreaPrinter

WithFullscreen sets the AreaPrinter height the same height as the terminal, making it fullscreen.

func (AreaPrinter) WithRemoveWhenDone added in v0.12.18 

func (p AreaPrinter) WithRemoveWhenDone(b ...bool) *AreaPrinter

WithRemoveWhenDone removes the AreaPrinter content after it is stopped.

type Bar added in v0.12.7 

type Bar struct {
	Label      string
	Value      int
	Style      *Style
	LabelStyle *Style
}

Bar is used in bar charts.

func (Bar) WithLabel added in v0.12.7 

func (p Bar) WithLabel(s string) *Bar

WithLabel returns a new Bar with a specific option.

func (Bar) WithLabelStyle added in v0.12.7 

func (p Bar) WithLabelStyle(style *Style) *Bar

WithLabelStyle returns a new Bar with a specific option.

func (Bar) WithStyle added in v0.12.7 

func (p Bar) WithStyle(style *Style) *Bar

WithStyle returns a new Bar with a specific option.

func (Bar) WithValue added in v0.12.7 

func (p Bar) WithValue(value int) *Bar

WithValue returns a new Bar with a specific option.

type BarChartPrinter added in v0.12.7 

type BarChartPrinter struct {
	Writer     io.Writer
	Bars       Bars
	Horizontal bool
	ShowValue  bool
	// Height sets the maximum height of a vertical bar chart.
	// The default is calculated to fit into the terminal.
	// Ignored if Horizontal is set to true.
	Height int
	// Width sets the maximum width of a horizontal bar chart.
	// The default is calculated to fit into the terminal.
	// Ignored if Horizontal is set to false.
	Width                  int
	VerticalBarCharacter   string
	HorizontalBarCharacter string
}

BarChartPrinter is used to print bar charts.

func (BarChartPrinter) Render added in v0.12.7 

func (p BarChartPrinter) Render() error

Render prints the Template to the terminal.

func (BarChartPrinter) Srender added in v0.12.7 

func (p BarChartPrinter) Srender() (string, error)

Srender renders the BarChart as a string.

func (BarChartPrinter) WithBars added in v0.12.7 

func (p BarChartPrinter) WithBars(bars Bars) *BarChartPrinter

WithBars returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithHeight added in v0.12.7 

func (p BarChartPrinter) WithHeight(value int) *BarChartPrinter

WithHeight returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithHorizontal added in v0.12.7 

func (p BarChartPrinter) WithHorizontal(b ...bool) *BarChartPrinter

WithHorizontal returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithHorizontalBarCharacter added in v0.12.7 

func (p BarChartPrinter) WithHorizontalBarCharacter(char string) *BarChartPrinter

WithHorizontalBarCharacter returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithShowValue added in v0.12.7 

func (p BarChartPrinter) WithShowValue(b ...bool) *BarChartPrinter

WithShowValue returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithVerticalBarCharacter added in v0.12.7 

func (p BarChartPrinter) WithVerticalBarCharacter(char string) *BarChartPrinter

WithVerticalBarCharacter returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithWidth added in v0.12.7 

func (p BarChartPrinter) WithWidth(value int) *BarChartPrinter

WithWidth returns a new BarChartPrinter with a specific option.

func (BarChartPrinter) WithWriter added in v0.12.40 

func (p BarChartPrinter) WithWriter(writer io.Writer) *BarChartPrinter

WithWriter sets the custom Writer.

type Bars added in v0.12.7 

type Bars []Bar

Bars is used to display multiple Bar.

type BasicTextPrinter added in v0.6.0 

type BasicTextPrinter struct {
	Style  *Style
	Writer io.Writer
}

BasicTextPrinter is the printer used to print the input as-is or as specified by user formatting.

func (*BasicTextPrinter) Print added in v0.6.0 

func (p *BasicTextPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to provided writer. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (*BasicTextPrinter) PrintOnError added in v0.12.19 

func (p *BasicTextPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*BasicTextPrinter) PrintOnErrorf added in v0.12.33 

func (p *BasicTextPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*BasicTextPrinter) Printf added in v0.6.0 

func (p *BasicTextPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to provided writer. It returns the number of bytes written and any write error encountered.

func (*BasicTextPrinter) Printfln added in v0.12.14 

func (p *BasicTextPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to provided writer. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (*BasicTextPrinter) Println added in v0.6.0 

func (p *BasicTextPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to provided writer. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (BasicTextPrinter) Sprint added in v0.6.0 

func (p BasicTextPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (BasicTextPrinter) Sprintf added in v0.6.0 

func (p BasicTextPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (BasicTextPrinter) Sprintfln added in v0.12.14 

func (p BasicTextPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (BasicTextPrinter) Sprintln added in v0.6.0 

func (p BasicTextPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (BasicTextPrinter) WithStyle added in v0.6.0 

func (p BasicTextPrinter) WithStyle(style *Style) *BasicTextPrinter

WithStyle adds a style to the printer.

func (BasicTextPrinter) WithWriter added in v0.12.40 

func (p BasicTextPrinter) WithWriter(writer io.Writer) *BasicTextPrinter

type BigTextPrinter added in v0.8.0 

type BigTextPrinter struct {
	// BigCharacters holds the map from a normal character to it's big version.
	BigCharacters map[string]string
	Letters       Letters
	Writer        io.Writer
}

BigTextPrinter renders big text. You can use this as title screen for your application.

func (BigTextPrinter) Render added in v0.8.0 

func (p BigTextPrinter) Render() error

Render prints the BigText to the terminal.

func (BigTextPrinter) Srender added in v0.8.0 

func (p BigTextPrinter) Srender() (string, error)

Srender renders the BigText as a string.

func (BigTextPrinter) WithBigCharacters added in v0.8.0 

func (p BigTextPrinter) WithBigCharacters(chars map[string]string) *BigTextPrinter

WithBigCharacters returns a new BigTextPrinter with specific BigCharacters.

func (BigTextPrinter) WithLetters added in v0.8.0 

func (p BigTextPrinter) WithLetters(letters ...Letters) *BigTextPrinter

WithLetters returns a new BigTextPrinter with specific Letters

func (BigTextPrinter) WithWriter added in v0.12.40 

func (p BigTextPrinter) WithWriter(writer io.Writer) *BigTextPrinter

WithWriter sets the custom Writer.

type BoxPrinter added in v0.12.8 

type BoxPrinter struct {
	Title                   string
	TitleTopLeft            bool
	TitleTopRight           bool
	TitleTopCenter          bool
	TitleBottomLeft         bool
	TitleBottomRight        bool
	TitleBottomCenter       bool
	TextStyle               *Style
	VerticalString          string
	BoxStyle                *Style
	HorizontalString        string
	TopRightCornerString    string
	TopLeftCornerString     string
	BottomLeftCornerString  string
	BottomRightCornerString string
	TopPadding              int
	BottomPadding           int
	RightPadding            int
	LeftPadding             int
	Writer                  io.Writer
}

BoxPrinter is able to render a box around printables.

func (BoxPrinter) Print added in v0.12.8 

func (p BoxPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (BoxPrinter) PrintOnError added in v0.12.19 

func (p BoxPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (BoxPrinter) PrintOnErrorf added in v0.12.33 

func (p BoxPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (BoxPrinter) Printf added in v0.12.8 

func (p BoxPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (BoxPrinter) Printfln added in v0.12.14 

func (p BoxPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (BoxPrinter) Println added in v0.12.8 

func (p BoxPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (BoxPrinter) Sprint added in v0.12.8 

func (p BoxPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (BoxPrinter) Sprintf added in v0.12.8 

func (p BoxPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (BoxPrinter) Sprintfln added in v0.12.14 

func (p BoxPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (BoxPrinter) Sprintln added in v0.12.8 

func (p BoxPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (BoxPrinter) WithBottomLeftCornerString added in v0.12.8 

func (p BoxPrinter) WithBottomLeftCornerString(str string) *BoxPrinter

WithBottomLeftCornerString returns a new box with a specific BottomLeftCornerString.

func (BoxPrinter) WithBottomPadding added in v0.12.8 

func (p BoxPrinter) WithBottomPadding(padding int) *BoxPrinter

WithBottomPadding returns a new box with a specific BottomPadding.

func (BoxPrinter) WithBottomRightCornerString added in v0.12.8 

func (p BoxPrinter) WithBottomRightCornerString(str string) *BoxPrinter

WithBottomRightCornerString returns a new box with a specific BottomRightCornerString.

func (BoxPrinter) WithBoxStyle added in v0.12.8 

func (p BoxPrinter) WithBoxStyle(style *Style) *BoxPrinter

WithBoxStyle returns a new box with a specific box Style.

func (BoxPrinter) WithHorizontalString added in v0.12.8 

func (p BoxPrinter) WithHorizontalString(str string) *BoxPrinter

WithHorizontalString returns a new box with a specific HorizontalString.

func (BoxPrinter) WithLeftPadding added in v0.12.8 

func (p BoxPrinter) WithLeftPadding(padding int) *BoxPrinter

WithLeftPadding returns a new box with a specific LeftPadding.

func (BoxPrinter) WithRightPadding added in v0.12.8 

func (p BoxPrinter) WithRightPadding(padding int) *BoxPrinter

WithRightPadding returns a new box with a specific RightPadding.

func (BoxPrinter) WithTextStyle added in v0.12.8 

func (p BoxPrinter) WithTextStyle(style *Style) *BoxPrinter

WithTextStyle returns a new box with a specific text Style.

func (BoxPrinter) WithTitle added in v0.12.24 

func (p BoxPrinter) WithTitle(str string) *BoxPrinter

WithTitle returns a new box with a specific Title.

func (BoxPrinter) WithTitleBottomCenter added in v0.12.24 

func (p BoxPrinter) WithTitleBottomCenter(b ...bool) *BoxPrinter

WithTitleBottomCenter returns a new box with a specific Title alignment.

func (BoxPrinter) WithTitleBottomLeft added in v0.12.24 

func (p BoxPrinter) WithTitleBottomLeft(b ...bool) *BoxPrinter

WithTitleBottomLeft returns a new box with a specific Title alignment.

func (BoxPrinter) WithTitleBottomRight added in v0.12.24 

func (p BoxPrinter) WithTitleBottomRight(b ...bool) *BoxPrinter

WithTitleBottomRight returns a new box with a specific Title alignment.

func (BoxPrinter) WithTitleTopCenter added in v0.12.24 

func (p BoxPrinter) WithTitleTopCenter(b ...bool) *BoxPrinter

WithTitleTopCenter returns a new box with a specific Title alignment.

func (BoxPrinter) WithTitleTopLeft added in v0.12.24 

func (p BoxPrinter) WithTitleTopLeft(b ...bool) *BoxPrinter

WithTitleTopLeft returns a new box with a specific Title alignment.

func (BoxPrinter) WithTitleTopRight added in v0.12.24 

func (p BoxPrinter) WithTitleTopRight(b ...bool) *BoxPrinter

WithTitleTopRight returns a new box with a specific Title alignment.

func (BoxPrinter) WithTopLeftCornerString added in v0.12.8 

func (p BoxPrinter) WithTopLeftCornerString(str string) *BoxPrinter

WithTopLeftCornerString returns a new box with a specific TopLeftCornerString.

func (BoxPrinter) WithTopPadding added in v0.12.8 

func (p BoxPrinter) WithTopPadding(padding int) *BoxPrinter

WithTopPadding returns a new box with a specific TopPadding.

func (BoxPrinter) WithTopRightCornerString added in v0.12.8 

func (p BoxPrinter) WithTopRightCornerString(str string) *BoxPrinter

WithTopRightCornerString returns a new box with a specific TopRightCornerString.

func (BoxPrinter) WithVerticalString added in v0.12.8 

func (p BoxPrinter) WithVerticalString(str string) *BoxPrinter

WithVerticalString returns a new box with a specific VerticalString.

func (BoxPrinter) WithWriter added in v0.12.40 

func (p BoxPrinter) WithWriter(writer io.Writer) *BoxPrinter

WithWriter sets the custom Writer.

type BulletListItem added in v0.8.0 

type BulletListItem struct {
	Level       int
	Text        string
	TextStyle   *Style
	Bullet      string
	BulletStyle *Style
}

BulletListItem is able to render a ListItem.

func NewBulletListItemFromString deprecated added in v0.9.0 

func NewBulletListItemFromString(text string, padding string) BulletListItem

NewBulletListItemFromString returns a BulletListItem with a Text. The padding is counted in the Text to define the Level of the ListItem.

Deprecated: use putils.BulletListItemFromString instead.

func (BulletListItem) WithBullet added in v0.8.0 

func (p BulletListItem) WithBullet(bullet string) *BulletListItem

WithBullet returns a new BulletListItem with a specific Prefix.

func (BulletListItem) WithBulletStyle added in v0.8.0 

func (p BulletListItem) WithBulletStyle(style *Style) *BulletListItem

WithBulletStyle returns a new BulletListItem with a specific BulletStyle.

func (BulletListItem) WithLevel added in v0.8.0 

func (p BulletListItem) WithLevel(level int) *BulletListItem

WithLevel returns a new BulletListItem with a specific Level.

func (BulletListItem) WithText added in v0.8.0 

func (p BulletListItem) WithText(text string) *BulletListItem

WithText returns a new BulletListItem with a specific Text.

func (BulletListItem) WithTextStyle added in v0.8.0 

func (p BulletListItem) WithTextStyle(style *Style) *BulletListItem

WithTextStyle returns a new BulletListItem with a specific TextStyle.

type BulletListPrinter added in v0.12.0 

type BulletListPrinter struct {
	Items       []BulletListItem
	TextStyle   *Style
	Bullet      string
	BulletStyle *Style
	Writer      io.Writer
}

BulletListPrinter is able to render a list.

func NewBulletListFromString deprecated added in v0.9.0 

func NewBulletListFromString(s string, padding string) BulletListPrinter

NewBulletListFromString returns a BulletListPrinter with Text using the NewTreeListItemFromString method, splitting after return (\n).

Deprecated: use putils.BulletListFromString instead.

func NewBulletListFromStrings deprecated added in v0.9.0 

func NewBulletListFromStrings(s []string, padding string) BulletListPrinter

NewBulletListFromStrings returns a BulletListPrinter with Text using the NewTreeListItemFromString method.

Deprecated: use putils.BulletListFromStrings instead.

func (BulletListPrinter) Render added in v0.12.0 

func (l BulletListPrinter) Render() error

Render prints the list to the terminal.

func (BulletListPrinter) Srender added in v0.12.0 

func (l BulletListPrinter) Srender() (string, error)

Srender renders the list as a string.

func (BulletListPrinter) WithBullet added in v0.12.0 

func (l BulletListPrinter) WithBullet(bullet string) *BulletListPrinter

WithBullet returns a new list with a specific bullet.

func (BulletListPrinter) WithBulletStyle added in v0.12.0 

func (l BulletListPrinter) WithBulletStyle(style *Style) *BulletListPrinter

WithBulletStyle returns a new list with a specific bullet style.

func (BulletListPrinter) WithItems added in v0.12.0 

func (l BulletListPrinter) WithItems(items []BulletListItem) *BulletListPrinter

WithItems returns a new list with specific Items.

func (BulletListPrinter) WithTextStyle added in v0.12.0 

func (l BulletListPrinter) WithTextStyle(style *Style) *BulletListPrinter

WithTextStyle returns a new list with a specific text style.

func (BulletListPrinter) WithWriter added in v0.12.40 

func (l BulletListPrinter) WithWriter(writer io.Writer) *BulletListPrinter

WithWriter sets the custom Writer.

type CenterPrinter added in v0.10.1 

type CenterPrinter struct {
	CenterEachLineSeparately bool
	Writer                   io.Writer
}

CenterPrinter prints centered text.

func (CenterPrinter) Print added in v0.10.1 

func (p CenterPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (CenterPrinter) PrintOnError added in v0.12.19 

func (p CenterPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (CenterPrinter) PrintOnErrorf added in v0.12.33 

func (p CenterPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (CenterPrinter) Printf added in v0.10.1 

func (p CenterPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (CenterPrinter) Printfln added in v0.12.14 

func (p CenterPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (CenterPrinter) Println added in v0.10.1 

func (p CenterPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (CenterPrinter) Sprint added in v0.10.1 

func (p CenterPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (CenterPrinter) Sprintf added in v0.10.1 

func (p CenterPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (CenterPrinter) Sprintfln added in v0.12.14 

func (p CenterPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (CenterPrinter) Sprintln added in v0.10.1 

func (p CenterPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (CenterPrinter) WithCenterEachLineSeparately added in v0.10.1 

func (p CenterPrinter) WithCenterEachLineSeparately(b ...bool) *CenterPrinter

WithCenterEachLineSeparately centers each line separately.

func (CenterPrinter) WithWriter added in v0.12.40 

func (p CenterPrinter) WithWriter(writer io.Writer) *CenterPrinter

WithWriter sets the custom Writer.

type Checkmark added in v0.12.52 

type Checkmark struct {
	Checked   string
	Unchecked string
}

Checkmark is used in the interactive multiselect printer.

type Color 

type Color uint8

Color is a number which will be used to color strings in the terminal. 

const (
	FgBlack Color = iota + 30
	FgRed
	FgGreen
	FgYellow
	FgBlue
	FgMagenta
	FgCyan
	FgWhite
	// FgDefault revert default FG.
	FgDefault Color = 39
)

Foreground colors. basic foreground colors 30 - 37. 

const (
	FgDarkGray Color = iota + 90
	FgLightRed
	FgLightGreen
	FgLightYellow
	FgLightBlue
	FgLightMagenta
	FgLightCyan
	FgLightWhite
	// FgGray is an alias of FgDarkGray.
	FgGray Color = 90
)

Extra foreground color 90 - 97. 

const (
	BgBlack Color = iota + 40
	BgRed
	BgGreen
	BgYellow // BgBrown like yellow
	BgBlue
	BgMagenta
	BgCyan
	BgWhite
	// BgDefault reverts to the default background.
	BgDefault Color = 49
)

Background colors. basic background colors 40 - 47. 

const (
	BgDarkGray Color = iota + 100
	BgLightRed
	BgLightGreen
	BgLightYellow
	BgLightBlue
	BgLightMagenta
	BgLightCyan
	BgLightWhite
	// BgGray is an alias of BgDarkGray.
	BgGray Color = 100
)

Extra background color 100 - 107. 

const (
	Reset Color = iota
	Bold
	Fuzzy
	Italic
	Underscore
	Blink
	FastBlink
	Reverse
	Concealed
	Strikethrough
)

Option settings.

func (Color) Print 

func (c Color) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Color.

func (Color) PrintOnError added in v0.12.19 

func (c Color) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (Color) PrintOnErrorf added in v0.12.33 

func (c Color) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (Color) Printf 

func (c Color) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Color.

func (Color) Printfln added in v0.12.14 

func (c Color) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Color.

func (Color) Println 

func (c Color) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Color.

func (Color) Sprint 

func (c Color) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string. Input will be colored with the parent Color.

func (Color) Sprintf 

func (c Color) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string. Input will be colored with the parent Color.

func (Color) Sprintfln added in v0.12.14 

func (c Color) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended. Input will be colored with the parent Color.

func (Color) Sprintln 

func (c Color) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended. Input will be colored with the parent Color.

func (Color) String 

func (c Color) String() string

String converts the color to a string. eg "35".

func (Color) ToStyle added in v0.12.53 

func (c Color) ToStyle() *Style

ToStyle converts the color to a style.

type HeaderPrinter added in v0.0.1 

type HeaderPrinter struct {
	TextStyle       *Style
	BackgroundStyle *Style
	Margin          int
	FullWidth       bool
	Writer          io.Writer
}

HeaderPrinter contains the data used to craft a header. A header is printed as a big box with text in it. Can be used as title screens or section separator.

func (*HeaderPrinter) Print added in v0.0.1 

func (p *HeaderPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (*HeaderPrinter) PrintOnError added in v0.12.19 

func (p *HeaderPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*HeaderPrinter) PrintOnErrorf added in v0.12.33 

func (p *HeaderPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*HeaderPrinter) Printf added in v0.0.1 

func (p *HeaderPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (*HeaderPrinter) Printfln added in v0.12.14 

func (p *HeaderPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (*HeaderPrinter) Println added in v0.0.1 

func (p *HeaderPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (HeaderPrinter) Sprint added in v0.0.1 

func (p HeaderPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (HeaderPrinter) Sprintf added in v0.0.1 

func (p HeaderPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (HeaderPrinter) Sprintfln added in v0.12.14 

func (p HeaderPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (HeaderPrinter) Sprintln added in v0.0.1 

func (p HeaderPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (HeaderPrinter) WithBackgroundStyle added in v0.1.0 

func (p HeaderPrinter) WithBackgroundStyle(style *Style) *HeaderPrinter

WithBackgroundStyle changes the background styling of the header.

func (HeaderPrinter) WithFullWidth added in v0.1.0 

func (p HeaderPrinter) WithFullWidth(b ...bool) *HeaderPrinter

WithFullWidth enables full width on a HeaderPrinter.

func (HeaderPrinter) WithMargin added in v0.1.0 

func (p HeaderPrinter) WithMargin(margin int) *HeaderPrinter

WithMargin changes the background styling of the header.

func (HeaderPrinter) WithTextStyle added in v0.1.0 

func (p HeaderPrinter) WithTextStyle(style *Style) *HeaderPrinter

WithTextStyle returns a new HeaderPrinter with changed

func (HeaderPrinter) WithWriter added in v0.12.40 

func (p HeaderPrinter) WithWriter(writer io.Writer) *HeaderPrinter

WithWriter sets the custom Writer.

type InteractiveConfirmPrinter added in v0.12.42 

type InteractiveConfirmPrinter struct {
	DefaultValue    bool
	DefaultText     string
	TextStyle       *Style
	ConfirmText     string
	ConfirmStyle    *Style
	RejectText      string
	RejectStyle     *Style
	SuffixStyle     *Style
	OnInterruptFunc func()
}

InteractiveConfirmPrinter is a printer for interactive confirm prompts.

func (InteractiveConfirmPrinter) Show added in v0.12.42 

func (p InteractiveConfirmPrinter) Show(text ...string) (bool, error)

Show shows the confirm prompt.

Example: 

result, _ := pterm.DefaultInteractiveConfirm.Show("Are you sure?")
pterm.Println(result)

func (InteractiveConfirmPrinter) WithConfirmStyle added in v0.12.42 

func (p InteractiveConfirmPrinter) WithConfirmStyle(style *Style) *InteractiveConfirmPrinter

WithConfirmStyle sets the confirm style.

func (InteractiveConfirmPrinter) WithConfirmText added in v0.12.42 

func (p InteractiveConfirmPrinter) WithConfirmText(text string) *InteractiveConfirmPrinter

WithConfirmText sets the confirm text.

func (InteractiveConfirmPrinter) WithDefaultText added in v0.12.42 

func (p InteractiveConfirmPrinter) WithDefaultText(text string) *InteractiveConfirmPrinter

WithDefaultText sets the default text.

func (InteractiveConfirmPrinter) WithDefaultValue added in v0.12.42 

func (p InteractiveConfirmPrinter) WithDefaultValue(value bool) *InteractiveConfirmPrinter

WithDefaultValue sets the default value, which will be returned when the user presses enter without typing "y" or "n".

func (InteractiveConfirmPrinter) WithOnInterruptFunc added in v0.12.63 

func (p InteractiveConfirmPrinter) WithOnInterruptFunc(exitFunc func()) *InteractiveConfirmPrinter

OnInterrupt sets the function to execute on exit of the input reader

func (InteractiveConfirmPrinter) WithRejectStyle added in v0.12.42 

func (p InteractiveConfirmPrinter) WithRejectStyle(style *Style) *InteractiveConfirmPrinter

WithRejectStyle sets the reject style.

func (InteractiveConfirmPrinter) WithRejectText added in v0.12.42 

func (p InteractiveConfirmPrinter) WithRejectText(text string) *InteractiveConfirmPrinter

WithRejectText sets the reject text.

func (InteractiveConfirmPrinter) WithSuffixStyle added in v0.12.42 

func (p InteractiveConfirmPrinter) WithSuffixStyle(style *Style) *InteractiveConfirmPrinter

WithSuffixStyle sets the suffix style.

func (InteractiveConfirmPrinter) WithTextStyle added in v0.12.42 

func (p InteractiveConfirmPrinter) WithTextStyle(style *Style) *InteractiveConfirmPrinter

WithTextStyle sets the text style.

type InteractiveContinuePrinter added in v0.12.47 

type InteractiveContinuePrinter struct {
	DefaultValueIndex int
	DefaultText       string
	TextStyle         *Style
	Options           []string
	OptionsStyle      *Style
	Handles           []string
	ShowShortHandles  bool
	SuffixStyle       *Style
}

InteractiveContinuePrinter is a printer for interactive continue prompts.

func (InteractiveContinuePrinter) Show added in v0.12.47 

func (p InteractiveContinuePrinter) Show(text ...string) (string, error)

Show shows the continue prompt.

Example: 

result, _ := pterm.DefaultInteractiveContinue.Show("Do you want to apply the changes?")
pterm.Println(result)

func (InteractiveContinuePrinter) WithDefaultText added in v0.12.47 

func (p InteractiveContinuePrinter) WithDefaultText(text string) *InteractiveContinuePrinter

WithDefaultText sets the default text.

func (InteractiveContinuePrinter) WithDefaultValue added in v0.12.47 

func (p InteractiveContinuePrinter) WithDefaultValue(value string) *InteractiveContinuePrinter

WithDefaultValue sets the default value, which will be returned when the user presses enter without typing any letter.

func (InteractiveContinuePrinter) WithDefaultValueIndex added in v0.12.47 

func (p InteractiveContinuePrinter) WithDefaultValueIndex(value int) *InteractiveContinuePrinter

WithDefaultValueIndex sets the default value, which will be returned when the user presses enter without typing any letter.

func (InteractiveContinuePrinter) WithHandles added in v0.12.47 

func (p InteractiveContinuePrinter) WithHandles(handles []string) *InteractiveContinuePrinter

WithHandles allows you to customize the short handles for the answers.

func (InteractiveContinuePrinter) WithOptions added in v0.12.47 

func (p InteractiveContinuePrinter) WithOptions(options []string) *InteractiveContinuePrinter

WithOptions sets the options.

func (InteractiveContinuePrinter) WithOptionsStyle added in v0.12.47 

func (p InteractiveContinuePrinter) WithOptionsStyle(style *Style) *InteractiveContinuePrinter

WithOptionsStyle sets the continue style.

func (InteractiveContinuePrinter) WithShowShortHandles added in v0.12.47 

func (p InteractiveContinuePrinter) WithShowShortHandles(b ...bool) *InteractiveContinuePrinter

WithShowShortHandles will set ShowShortHandles to true this makes the printer display the shorthand options instead their shorthand version.

func (InteractiveContinuePrinter) WithSuffixStyle added in v0.12.47 

func (p InteractiveContinuePrinter) WithSuffixStyle(style *Style) *InteractiveContinuePrinter

WithSuffixStyle sets the suffix style.

func (InteractiveContinuePrinter) WithTextStyle added in v0.12.47 

func (p InteractiveContinuePrinter) WithTextStyle(style *Style) *InteractiveContinuePrinter

WithTextStyle sets the text style.

type InteractiveMultiselectPrinter added in v0.12.42 

type InteractiveMultiselectPrinter struct {
	DefaultText     string
	TextStyle       *Style
	Options         []string
	OptionStyle     *Style
	DefaultOptions  []string
	MaxHeight       int
	Selector        string
	SelectorStyle   *Style
	Filter          bool
	Checkmark       *Checkmark
	OnInterruptFunc func()

	// KeySelect is the select key. It cannot be keys.Space when Filter is enabled.
	KeySelect keys.KeyCode

	// KeyConfirm is the confirm key. It cannot be keys.Space when Filter is enabled.
	KeyConfirm keys.KeyCode
	// contains filtered or unexported fields
}

InteractiveMultiselectPrinter is a printer for interactive multiselect menus.

func (*InteractiveMultiselectPrinter) Show added in v0.12.42 

func (p *InteractiveMultiselectPrinter) Show(text ...string) ([]string, error)

Show shows the interactive multiselect menu and returns the selected entry.

func (InteractiveMultiselectPrinter) WithCheckmark added in v0.12.52 

func (p InteractiveMultiselectPrinter) WithCheckmark(checkmark *Checkmark) *InteractiveMultiselectPrinter

WithCheckmark sets the checkmark

func (InteractiveMultiselectPrinter) WithDefaultOptions added in v0.12.42 

func (p InteractiveMultiselectPrinter) WithDefaultOptions(options []string) *InteractiveMultiselectPrinter

WithDefaultOptions sets the default options.

func (InteractiveMultiselectPrinter) WithDefaultText added in v0.12.42 

func (p InteractiveMultiselectPrinter) WithDefaultText(text string) *InteractiveMultiselectPrinter

WithDefaultText sets the default text.

func (InteractiveMultiselectPrinter) WithFilter added in v0.12.48 

func (p InteractiveMultiselectPrinter) WithFilter(b ...bool) *InteractiveMultiselectPrinter

WithFilter sets the Filter option

func (InteractiveMultiselectPrinter) WithKeyConfirm added in v0.12.48 

func (p InteractiveMultiselectPrinter) WithKeyConfirm(keyConfirm keys.KeyCode) *InteractiveMultiselectPrinter

WithKeyConfirm sets the confirm key It cannot be keys.Space when Filter is enabled.

func (InteractiveMultiselectPrinter) WithKeySelect added in v0.12.48 

func (p InteractiveMultiselectPrinter) WithKeySelect(keySelect keys.KeyCode) *InteractiveMultiselectPrinter

WithKeySelect sets the confirm key It cannot be keys.Space when Filter is enabled.

func (InteractiveMultiselectPrinter) WithMaxHeight added in v0.12.42 

func (p InteractiveMultiselectPrinter) WithMaxHeight(maxHeight int) *InteractiveMultiselectPrinter

WithMaxHeight sets the maximum height of the select menu.

func (InteractiveMultiselectPrinter) WithOnInterruptFunc added in v0.12.63 

func (p InteractiveMultiselectPrinter) WithOnInterruptFunc(exitFunc func()) *InteractiveMultiselectPrinter

OnInterrupt sets the function to execute on exit of the input reader

func (InteractiveMultiselectPrinter) WithOptions added in v0.12.42 

func (p InteractiveMultiselectPrinter) WithOptions(options []string) *InteractiveMultiselectPrinter

WithOptions sets the options.

type InteractiveSelectPrinter added in v0.12.42 

type InteractiveSelectPrinter struct {
	TextStyle       *Style
	DefaultText     string
	Options         []string
	OptionStyle     *Style
	DefaultOption   string
	MaxHeight       int
	Selector        string
	SelectorStyle   *Style
	OnInterruptFunc func()
	Filter          bool
	// contains filtered or unexported fields
}

InteractiveSelectPrinter is a printer for interactive select menus.

func (*InteractiveSelectPrinter) Show added in v0.12.42 

func (p *InteractiveSelectPrinter) Show(text ...string) (string, error)

Show shows the interactive select menu and returns the selected entry.

func (InteractiveSelectPrinter) WithDefaultOption added in v0.12.42 

func (p InteractiveSelectPrinter) WithDefaultOption(option string) *InteractiveSelectPrinter

WithDefaultOption sets the default options.

func (InteractiveSelectPrinter) WithDefaultText added in v0.12.42 

func (p InteractiveSelectPrinter) WithDefaultText(text string) *InteractiveSelectPrinter

WithDefaultText sets the default text.

func (InteractiveSelectPrinter) WithFilter added in v0.12.63 

func (p InteractiveSelectPrinter) WithFilter(b ...bool) *InteractiveSelectPrinter

WithFilter sets the Filter option

func (InteractiveSelectPrinter) WithMaxHeight added in v0.12.42 

func (p InteractiveSelectPrinter) WithMaxHeight(maxHeight int) *InteractiveSelectPrinter

WithMaxHeight sets the maximum height of the select menu.

func (InteractiveSelectPrinter) WithOnInterruptFunc added in v0.12.63 

func (p InteractiveSelectPrinter) WithOnInterruptFunc(exitFunc func()) *InteractiveSelectPrinter

OnInterrupt sets the function to execute on exit of the input reader

func (InteractiveSelectPrinter) WithOptions added in v0.12.42 

func (p InteractiveSelectPrinter) WithOptions(options []string) *InteractiveSelectPrinter

WithOptions sets the options.

type InteractiveTextInputPrinter added in v0.12.42 

type InteractiveTextInputPrinter struct {
	TextStyle       *Style
	DefaultText     string
	MultiLine       bool
	Mask            string
	OnInterruptFunc func()
	// contains filtered or unexported fields
}

InteractiveTextInputPrinter is a printer for interactive select menus.

func (InteractiveTextInputPrinter) Show added in v0.12.42 

func (p InteractiveTextInputPrinter) Show(text ...string) (string, error)

Show shows the interactive select menu and returns the selected entry.

func (InteractiveTextInputPrinter) WithDefaultText added in v0.12.42 

func (p InteractiveTextInputPrinter) WithDefaultText(text string) *InteractiveTextInputPrinter

WithDefaultText sets the default text.

func (InteractiveTextInputPrinter) WithMask added in v0.12.59 

func (p InteractiveTextInputPrinter) WithMask(mask string) *InteractiveTextInputPrinter

WithMask sets the mask.

func (InteractiveTextInputPrinter) WithMultiLine added in v0.12.42 

func (p InteractiveTextInputPrinter) WithMultiLine(multiLine ...bool) *InteractiveTextInputPrinter

WithMultiLine sets the multi line flag.

func (InteractiveTextInputPrinter) WithOnInterruptFunc added in v0.12.63 

func (p InteractiveTextInputPrinter) WithOnInterruptFunc(exitFunc func()) *InteractiveTextInputPrinter

OnInterrupt sets the function to execute on exit of the input reader

func (InteractiveTextInputPrinter) WithTextStyle added in v0.12.42 

func (p InteractiveTextInputPrinter) WithTextStyle(style *Style) *InteractiveTextInputPrinter

WithTextStyle sets the text style.

type Letter added in v0.8.0 

type Letter struct {
	String string
	Style  *Style
	RGB    RGB
}

Letter is an object, which holds a string and a specific Style for it.

func (Letter) WithRGB added in v0.12.38 

func (l Letter) WithRGB(rgb RGB) *Letter

WithRGB returns a new Letter with a specific RGB color (overwrites style).

func (Letter) WithString added in v0.8.0 

func (l Letter) WithString(s string) *Letter

WithString returns a new Letter with a specific String.

func (Letter) WithStyle added in v0.8.0 

func (l Letter) WithStyle(style *Style) *Letter

WithStyle returns a new Letter with a specific Style.

type Letters added in v0.8.0 

type Letters []Letter

Letters is a slice of Letter.

func NewLettersFromString deprecated added in v0.8.0 

func NewLettersFromString(text string) Letters

NewLettersFromString creates a Letters object from a string, which is prefilled with the LetterStyle from ThemeDefault. You can override the ThemeDefault LetterStyle if you want to.

Deprecated: use putils.LettersFromString instead.

func NewLettersFromStringWithRGB deprecated added in v0.12.38 

func NewLettersFromStringWithRGB(text string, rgb RGB) Letters

NewLettersFromStringWithRGB creates a Letters object from a string and applies an RGB color to it (overwrites style).

Deprecated: use putils.LettersFromStringWithRGB instead.

func NewLettersFromStringWithStyle deprecated added in v0.8.0 

func NewLettersFromStringWithStyle(text string, style *Style) Letters

NewLettersFromStringWithStyle creates a Letters object from a string and applies a Style to it.

Deprecated: use putils.LettersFromStringWithStyle instead.

type LeveledList added in v0.9.3 

type LeveledList []LeveledListItem

LeveledList is a list, which contains multiple LeveledListItem.

type LeveledListItem added in v0.9.3 

type LeveledListItem struct {
	Level int
	Text  string
}

LeveledListItem combines a text with a specific level. The level is the indent, which would normally be seen in a BulletListPrinter.

type LivePrinter added in v0.5.0 

type LivePrinter interface {
	// GenericStart runs Start, but returns a LivePrinter.
	// This is used for the interface LivePrinter.
	// You most likely want to use Start instead of this in your program.
	GenericStart() (*LivePrinter, error)

	// GenericStop runs Stop, but returns a LivePrinter.
	// This is used for the interface LivePrinter.
	// You most likely want to use Stop instead of this in your program.
	GenericStop() (*LivePrinter, error)
}

LivePrinter is a printer which can update it's output live.

type LogFormatter added in v0.12.58 

type LogFormatter int

LogFormatter is the log formatter. Can be either LogFormatterColorful or LogFormatterJSON. 

const (
	// LogFormatterColorful is a colorful log formatter.
	LogFormatterColorful LogFormatter = iota
	// LogFormatterJSON is a JSON log formatter.
	LogFormatterJSON
)

type LogLevel added in v0.12.58 

type LogLevel int
const (
	// LogLevelDisabled does never print.
	LogLevelDisabled LogLevel = iota
	// LogLevelTrace is the log level for traces.
	LogLevelTrace
	// LogLevelDebug is the log level for debug.
	LogLevelDebug
	// LogLevelInfo is the log level for info.
	LogLevelInfo
	// LogLevelWarn is the log level for warnings.
	LogLevelWarn
	// LogLevelError is the log level for errors.
	LogLevelError
	// LogLevelFatal is the log level for fatal errors.
	LogLevelFatal
	// LogLevelPrint is the log level for printing.
	LogLevelPrint
)

func (LogLevel) String added in v0.12.58 

func (l LogLevel) String() string

func (LogLevel) Style added in v0.12.58 

func (l LogLevel) Style() Style

Style returns the style of the log level.

type Logger added in v0.12.58 

type Logger struct {
	// Formatter is the log formatter of the logger.
	Formatter LogFormatter
	// Writer is the writer of the logger.
	Writer io.Writer
	// Level is the log level of the logger.
	Level LogLevel
	// ShowCaller defines if the logger should print the caller.
	ShowCaller bool
	// CallerOffset defines the offset of the caller.
	CallerOffset int
	// ShowTime defines if the logger should print a timestamp.
	ShowTime bool
	// TimestampLayout defines the layout of the timestamp.
	TimeFormat string
	// KeyStyles defines the styles for specific keys.
	KeyStyles map[string]Style
	// MaxWidth defines the maximum width of the logger.
	// If the text (including the arguments) is longer than the max width, it will be split into multiple lines.
	MaxWidth int
}

func (Logger) AppendKeyStyle added in v0.12.58 

func (l Logger) AppendKeyStyle(key string, style Style) *Logger

AppendKeyStyle appends a style for a specific key.

func (Logger) AppendKeyStyles added in v0.12.58 

func (l Logger) AppendKeyStyles(styles map[string]Style) *Logger

AppendKeyStyles appends a style for a specific key.

func (Logger) Args added in v0.12.58 

func (l Logger) Args(args ...any) []LoggerArgument

Args converts any arguments to a slice of LoggerArgument.

func (Logger) ArgsFromMap added in v0.12.58 

func (l Logger) ArgsFromMap(m map[string]any) []LoggerArgument

ArgsFromMap converts a map to a slice of LoggerArgument.

func (Logger) CanPrint added in v0.12.58 

func (l Logger) CanPrint(level LogLevel) bool

CanPrint checks if the logger can print a specific log level.

func (Logger) Debug added in v0.12.58 

func (l Logger) Debug(msg string, args ...[]LoggerArgument)

Debug prints a debug log.

func (Logger) Error added in v0.12.58 

func (l Logger) Error(msg string, args ...[]LoggerArgument)

Error prints an error log.

func (Logger) Fatal added in v0.12.58 

func (l Logger) Fatal(msg string, args ...[]LoggerArgument)

Fatal prints a fatal log and exits the program.

func (Logger) Info added in v0.12.58 

func (l Logger) Info(msg string, args ...[]LoggerArgument)

Info prints an info log.

func (Logger) Print added in v0.12.58 

func (l Logger) Print(msg string, args ...[]LoggerArgument)

Print prints a log.

func (Logger) Trace added in v0.12.58 

func (l Logger) Trace(msg string, args ...[]LoggerArgument)

Trace prints a trace log.

func (Logger) Warn added in v0.12.58 

func (l Logger) Warn(msg string, args ...[]LoggerArgument)

Warn prints a warning log.

func (Logger) WithCaller added in v0.12.58 

func (l Logger) WithCaller(b ...bool) *Logger

WithCaller enables or disables the caller.

func (Logger) WithCallerOffset added in v0.12.58 

func (l Logger) WithCallerOffset(offset int) *Logger

WithCallerOffset sets the caller offset.

func (Logger) WithFormatter added in v0.12.58 

func (l Logger) WithFormatter(formatter LogFormatter) *Logger

WithFormatter sets the log formatter of the logger.

func (Logger) WithKeyStyles added in v0.12.58 

func (l Logger) WithKeyStyles(styles map[string]Style) *Logger

WithKeyStyles sets the style for a specific key.

func (Logger) WithLevel added in v0.12.58 

func (l Logger) WithLevel(level LogLevel) *Logger

WithLevel sets the log level of the logger.

func (Logger) WithMaxWidth added in v0.12.58 

func (l Logger) WithMaxWidth(width int) *Logger

WithMaxWidth sets the maximum width of the logger.

func (Logger) WithTime added in v0.12.58 

func (l Logger) WithTime(b ...bool) *Logger

WithTime enables or disables the timestamp.

func (Logger) WithTimeFormat added in v0.12.58 

func (l Logger) WithTimeFormat(format string) *Logger

WithTimeFormat sets the timestamp layout.

func (Logger) WithWriter added in v0.12.58 

func (l Logger) WithWriter(writer io.Writer) *Logger

WithWriter sets the writer of the logger.

type LoggerArgument added in v0.12.58 

type LoggerArgument struct {
	// Key is the key of the argument.
	Key string
	// Value is the value of the argument.
	Value any
}

LoggerArgument is a key-value pair for a logger.

type Panel added in v0.11.0 

type Panel struct {
	Data string
}

Panel contains the data, which should be printed inside a PanelPrinter.

type PanelPrinter added in v0.11.0 

type PanelPrinter struct {
	Panels          Panels
	Padding         int
	BottomPadding   int
	SameColumnWidth bool
	BoxPrinter      BoxPrinter
	Writer          io.Writer
}

PanelPrinter prints content in boxes.

func (PanelPrinter) Render added in v0.11.0 

func (p PanelPrinter) Render() error

Render prints the Template to the terminal.

func (PanelPrinter) Srender added in v0.11.0 

func (p PanelPrinter) Srender() (string, error)

Srender renders the Template as a string.

func (PanelPrinter) WithBottomPadding added in v0.12.0 

func (p PanelPrinter) WithBottomPadding(bottomPadding int) *PanelPrinter

WithBottomPadding returns a new PanelPrinter with specific options.

func (PanelPrinter) WithBoxPrinter added in v0.12.8 

func (p PanelPrinter) WithBoxPrinter(boxPrinter BoxPrinter) *PanelPrinter

WithBoxPrinter returns a new PanelPrinter with specific options.

func (PanelPrinter) WithPadding added in v0.11.0 

func (p PanelPrinter) WithPadding(padding int) *PanelPrinter

WithPadding returns a new PanelPrinter with specific options.

func (PanelPrinter) WithPanels added in v0.11.0 

func (p PanelPrinter) WithPanels(panels Panels) *PanelPrinter

WithPanels returns a new PanelPrinter with specific options.

func (PanelPrinter) WithSameColumnWidth added in v0.12.0 

func (p PanelPrinter) WithSameColumnWidth(b ...bool) *PanelPrinter

WithSameColumnWidth returns a new PanelPrinter with specific options.

func (PanelPrinter) WithWriter added in v0.12.40 

func (p PanelPrinter) WithWriter(writer io.Writer) *PanelPrinter

WithWriter sets the custom Writer.

type Panels added in v0.11.0 

type Panels [][]Panel

Panels is a two dimensional coordinate system for Panel.

type ParagraphPrinter added in v0.5.0 

type ParagraphPrinter struct {
	MaxWidth int
	Writer   io.Writer
}

ParagraphPrinter can print paragraphs to a fixed line width. The text will split between words, so that words will stick together. It's like in a book.

func (*ParagraphPrinter) Print added in v0.5.0 

func (p *ParagraphPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (*ParagraphPrinter) PrintOnError added in v0.12.19 

func (p *ParagraphPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*ParagraphPrinter) PrintOnErrorf added in v0.12.33 

func (p *ParagraphPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*ParagraphPrinter) Printf added in v0.5.0 

func (p *ParagraphPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (*ParagraphPrinter) Printfln added in v0.12.14 

func (p *ParagraphPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (*ParagraphPrinter) Println added in v0.5.0 

func (p *ParagraphPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (ParagraphPrinter) Sprint added in v0.5.0 

func (p ParagraphPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (ParagraphPrinter) Sprintf added in v0.5.0 

func (p ParagraphPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (ParagraphPrinter) Sprintfln added in v0.12.14 

func (p ParagraphPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (ParagraphPrinter) Sprintln added in v0.5.0 

func (p ParagraphPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (ParagraphPrinter) WithMaxWidth added in v0.5.0 

func (p ParagraphPrinter) WithMaxWidth(width int) *ParagraphPrinter

WithMaxWidth returns a new ParagraphPrinter with a specific MaxWidth

func (ParagraphPrinter) WithWriter added in v0.12.40 

func (p ParagraphPrinter) WithWriter(writer io.Writer) *ParagraphPrinter

WithWriter sets the custom Writer.

type Prefix 

type Prefix struct {
	Text  string
	Style *Style
}

Prefix contains the data used as the beginning of a printed text via a PrefixPrinter.

type PrefixPrinter 

type PrefixPrinter struct {
	Prefix           Prefix
	Scope            Scope
	MessageStyle     *Style
	Fatal            bool
	ShowLineNumber   bool
	LineNumberOffset int
	Writer           io.Writer
	// If Debugger is true, the printer will only print if PrintDebugMessages is set to true.
	// You can change PrintDebugMessages with EnableDebugMessages and DisableDebugMessages, or by setting the variable itself.
	Debugger bool
}

PrefixPrinter is the printer used to print a Prefix.

func (PrefixPrinter) GetFormattedPrefix 

func (p PrefixPrinter) GetFormattedPrefix() string

GetFormattedPrefix returns the Prefix as a styled text string.

func (*PrefixPrinter) Print 

func (p *PrefixPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (*PrefixPrinter) PrintOnError added in v0.12.15 

func (p *PrefixPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

Note: Use WithFatal(true) or Fatal to panic after first non nil error.

func (*PrefixPrinter) PrintOnErrorf added in v0.12.33 

func (p *PrefixPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*PrefixPrinter) Printf 

func (p *PrefixPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (*PrefixPrinter) Printfln added in v0.12.14 

func (p *PrefixPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (*PrefixPrinter) Println 

func (p *PrefixPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (*PrefixPrinter) Sprint 

func (p *PrefixPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (PrefixPrinter) Sprintf 

func (p PrefixPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (PrefixPrinter) Sprintfln added in v0.12.14 

func (p PrefixPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (PrefixPrinter) Sprintln 

func (p PrefixPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (PrefixPrinter) WithDebugger added in v0.9.0 

func (p PrefixPrinter) WithDebugger(b ...bool) *PrefixPrinter

WithDebugger returns a new Printer with specific Debugger value. If Debugger is true, the printer will only print if PrintDebugMessages is set to true. You can change PrintDebugMessages with EnableDebugMessages and DisableDebugMessages, or by setting the variable itself.

func (PrefixPrinter) WithFatal added in v0.3.0 

func (p PrefixPrinter) WithFatal(b ...bool) *PrefixPrinter

WithFatal sets if the printer should panic after printing. NOTE: The printer will only panic if either PrefixPrinter.Println, PrefixPrinter.Print or PrefixPrinter.Printf is called.

func (PrefixPrinter) WithLineNumberOffset added in v0.12.31 

func (p PrefixPrinter) WithLineNumberOffset(offset int) *PrefixPrinter

WithLineNumberOffset can be used to exclude a specific amount of calls in the call stack. If you make a wrapper function for example, you can set this to one. The printed line number will then be the line number where your wrapper function is called.

func (PrefixPrinter) WithMessageStyle added in v0.1.0 

func (p PrefixPrinter) WithMessageStyle(style *Style) *PrefixPrinter

WithMessageStyle adds a custom prefix to the printer.

func (PrefixPrinter) WithPrefix added in v0.1.0 

func (p PrefixPrinter) WithPrefix(prefix Prefix) *PrefixPrinter

WithPrefix adds a custom prefix to the printer.

func (PrefixPrinter) WithScope 

func (p PrefixPrinter) WithScope(scope Scope) *PrefixPrinter

WithScope adds a scope to the Prefix.

func (PrefixPrinter) WithShowLineNumber added in v0.12.12 

func (p PrefixPrinter) WithShowLineNumber(b ...bool) *PrefixPrinter

WithShowLineNumber sets if the printer should print the line number from where it's called in a go file.

func (PrefixPrinter) WithWriter added in v0.12.40 

func (p PrefixPrinter) WithWriter(writer io.Writer) *PrefixPrinter

WithWriter sets the custom Writer.

type ProgressbarPrinter added in v0.12.0 

type ProgressbarPrinter struct {
	Title                     string
	Total                     int
	Current                   int
	BarCharacter              string
	LastCharacter             string
	ElapsedTimeRoundingFactor time.Duration
	BarFiller                 string
	MaxWidth                  int

	ShowElapsedTime bool
	ShowCount       bool
	ShowTitle       bool
	ShowPercentage  bool
	RemoveWhenDone  bool

	TitleStyle *Style
	BarStyle   *Style

	IsActive bool

	Writer io.Writer
	// contains filtered or unexported fields
}

ProgressbarPrinter shows a progress animation in the terminal.

func (*ProgressbarPrinter) Add added in v0.12.0 

func (p *ProgressbarPrinter) Add(count int) *ProgressbarPrinter

Add to current value.

func (ProgressbarPrinter) GenericStart added in v0.12.0 

func (p ProgressbarPrinter) GenericStart() (*LivePrinter, error)

GenericStart runs Start, but returns a LivePrinter. This is used for the interface LivePrinter. You most likely want to use Start instead of this in your program.

func (ProgressbarPrinter) GenericStop added in v0.12.0 

func (p ProgressbarPrinter) GenericStop() (*LivePrinter, error)

GenericStop runs Stop, but returns a LivePrinter. This is used for the interface LivePrinter. You most likely want to use Stop instead of this in your program.

func (*ProgressbarPrinter) GetElapsedTime added in v0.12.0 

func (p *ProgressbarPrinter) GetElapsedTime() time.Duration

GetElapsedTime returns the elapsed time, since the ProgressbarPrinter was started.

func (*ProgressbarPrinter) Increment added in v0.12.0 

func (p *ProgressbarPrinter) Increment() *ProgressbarPrinter

Increment current value by one.

func (ProgressbarPrinter) Start added in v0.12.0 

func (p ProgressbarPrinter) Start(title ...interface{}) (*ProgressbarPrinter, error)

Start the ProgressbarPrinter.

func (*ProgressbarPrinter) Stop added in v0.12.0 

func (p *ProgressbarPrinter) Stop() (*ProgressbarPrinter, error)

Stop the ProgressbarPrinter.

func (*ProgressbarPrinter) UpdateTitle added in v0.12.33 

func (p *ProgressbarPrinter) UpdateTitle(title string) *ProgressbarPrinter

UpdateTitle updates the title and re-renders the progressbar

func (ProgressbarPrinter) WithBarCharacter added in v0.12.0 

func (p ProgressbarPrinter) WithBarCharacter(char string) *ProgressbarPrinter

WithBarCharacter sets the bar character of the ProgressbarPrinter.

func (ProgressbarPrinter) WithBarFiller added in v0.12.37 

func (p ProgressbarPrinter) WithBarFiller(char string) *ProgressbarPrinter

WithBarFiller sets the filler character for the ProgressbarPrinter.

func (ProgressbarPrinter) WithBarStyle added in v0.12.0 

func (p ProgressbarPrinter) WithBarStyle(style *Style) *ProgressbarPrinter

WithBarStyle sets the style of the bar.

func (ProgressbarPrinter) WithCurrent added in v0.12.0 

func (p ProgressbarPrinter) WithCurrent(current int) *ProgressbarPrinter

WithCurrent sets the current value of the ProgressbarPrinter.

func (ProgressbarPrinter) WithElapsedTimeRoundingFactor added in v0.12.0 

func (p ProgressbarPrinter) WithElapsedTimeRoundingFactor(duration time.Duration) *ProgressbarPrinter

WithElapsedTimeRoundingFactor sets the rounding factor of the elapsed time.

func (ProgressbarPrinter) WithLastCharacter added in v0.12.0 

func (p ProgressbarPrinter) WithLastCharacter(char string) *ProgressbarPrinter

WithLastCharacter sets the last character of the ProgressbarPrinter.

func (ProgressbarPrinter) WithMaxWidth added in v0.12.37 

func (p ProgressbarPrinter) WithMaxWidth(maxWidth int) *ProgressbarPrinter

WithMaxWidth sets the maximum width of the ProgressbarPrinter. If the terminal is smaller than the given width, the terminal width will be used instead. If the width is set to zero, or below, the terminal width will be used.

func (ProgressbarPrinter) WithRemoveWhenDone added in v0.12.0 

func (p ProgressbarPrinter) WithRemoveWhenDone(b ...bool) *ProgressbarPrinter

WithRemoveWhenDone sets if the ProgressbarPrinter should be removed when it is done.

func (ProgressbarPrinter) WithShowCount added in v0.12.0 

func (p ProgressbarPrinter) WithShowCount(b ...bool) *ProgressbarPrinter

WithShowCount sets if the total and current count should be displayed in the ProgressbarPrinter.

func (ProgressbarPrinter) WithShowElapsedTime added in v0.12.0 

func (p ProgressbarPrinter) WithShowElapsedTime(b ...bool) *ProgressbarPrinter

WithShowElapsedTime sets if the elapsed time should be displayed in the ProgressbarPrinter.

func (ProgressbarPrinter) WithShowPercentage added in v0.12.0 

func (p ProgressbarPrinter) WithShowPercentage(b ...bool) *ProgressbarPrinter

WithShowPercentage sets if the completed percentage should be displayed in the ProgressbarPrinter.

func (ProgressbarPrinter) WithShowTitle added in v0.12.0 

func (p ProgressbarPrinter) WithShowTitle(b ...bool) *ProgressbarPrinter

WithShowTitle sets if the title should be displayed in the ProgressbarPrinter.

func (ProgressbarPrinter) WithTitle added in v0.12.0 

func (p ProgressbarPrinter) WithTitle(name string) *ProgressbarPrinter

WithTitle sets the name of the ProgressbarPrinter.

func (ProgressbarPrinter) WithTitleStyle added in v0.12.0 

func (p ProgressbarPrinter) WithTitleStyle(style *Style) *ProgressbarPrinter

WithTitleStyle sets the style of the title.

func (ProgressbarPrinter) WithTotal added in v0.12.0 

func (p ProgressbarPrinter) WithTotal(total int) *ProgressbarPrinter

WithTotal sets the total value of the ProgressbarPrinter.

func (ProgressbarPrinter) WithWriter added in v0.12.42 

func (p ProgressbarPrinter) WithWriter(writer io.Writer) *ProgressbarPrinter

WithWriter sets the custom Writer.

type RGB added in v0.5.1 

type RGB struct {
	R          uint8
	G          uint8
	B          uint8
	Background bool
}

RGB color model is an additive color model in which red, green, and blue light are added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three additive primary colors, red, green, and blue. https://en.wikipedia.org/wiki/RGB_color_model

func NewRGB added in v0.5.1 

func NewRGB(r, g, b uint8, background ...bool) RGB

NewRGB returns a new RGB.

func NewRGBFromHEX deprecated added in v0.5.1 

func NewRGBFromHEX(hex string) (RGB, error)

NewRGBFromHEX converts a HEX and returns a new RGB.

Deprecated: use putils.RGBFromHEX instead.

func (RGB) Fade added in v0.5.1 

func (p RGB) Fade(min, max, current float32, end ...RGB) RGB

Fade fades one RGB value (over other RGB values) to another RGB value, by giving the function a minimum, maximum and current value.

func (RGB) GetValues added in v0.5.1 

func (p RGB) GetValues() (r, g, b uint8)

GetValues returns the RGB values separately.

func (RGB) Print added in v0.5.1 

func (p RGB) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (RGB) PrintOnError added in v0.12.19 

func (p RGB) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (RGB) PrintOnErrorf added in v0.12.33 

func (p RGB) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (RGB) Printf added in v0.5.1 

func (p RGB) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (RGB) Printfln added in v0.12.14 

func (p RGB) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (RGB) Println added in v0.5.1 

func (p RGB) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (RGB) Sprint added in v0.5.1 

func (p RGB) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (RGB) Sprintf added in v0.5.1 

func (p RGB) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (RGB) Sprintfln added in v0.12.14 

func (p RGB) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (RGB) Sprintln added in v0.5.1 

func (p RGB) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (RGB) ToRGBStyle added in v0.12.60 

func (p RGB) ToRGBStyle() RGBStyle

type RGBStyle added in v0.12.60 

type RGBStyle struct {
	Options                []Color
	Foreground, Background RGB
	// contains filtered or unexported fields
}

func NewRGBStyle added in v0.12.60 

func NewRGBStyle(foreground RGB, background ...RGB) RGBStyle

NewRGBStyle returns a new RGBStyle. The foreground color is required, the background color is optional. The colors will be set as is, ignoring the RGB.Background property.

func (RGBStyle) AddOptions added in v0.12.60 

func (p RGBStyle) AddOptions(opts ...Color) RGBStyle

AddOptions adds options to the RGBStyle.

func (RGBStyle) Print added in v0.12.60 

func (p RGBStyle) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (RGBStyle) PrintOnError added in v0.12.60 

func (p RGBStyle) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (RGBStyle) PrintOnErrorf added in v0.12.60 

func (p RGBStyle) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (RGBStyle) Printf added in v0.12.60 

func (p RGBStyle) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (RGBStyle) Printfln added in v0.12.60 

func (p RGBStyle) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (RGBStyle) Println added in v0.12.60 

func (p RGBStyle) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (RGBStyle) Sprint added in v0.12.60 

func (p RGBStyle) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (RGBStyle) Sprintf added in v0.12.60 

func (p RGBStyle) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (RGBStyle) Sprintfln added in v0.12.60 

func (p RGBStyle) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (RGBStyle) Sprintln added in v0.12.60 

func (p RGBStyle) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

type RenderPrinter added in v0.5.0 

type RenderPrinter interface {
	// Render the XXX to the terminal.
	Render() error

	// Srender returns the rendered string of XXX.
	Srender() (string, error)
}

RenderPrinter is used to display renderable content. Example for renderable content is a Table.

type Scope 

type Scope struct {
	Text  string
	Style *Style
}

Scope contains the data of the optional scope of a prefix. If it has a text, it will be printed after the Prefix in brackets.

type SectionPrinter added in v0.3.2 

type SectionPrinter struct {
	Style           *Style
	Level           int
	IndentCharacter string
	TopPadding      int
	BottomPadding   int
	Writer          io.Writer
}

SectionPrinter prints a new section title. It can be used to structure longer text, or different chapters of your program.

func (*SectionPrinter) Print added in v0.3.2 

func (p *SectionPrinter) Print(a ...interface{}) *TextPrinter

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func (*SectionPrinter) PrintOnError added in v0.12.19 

func (p *SectionPrinter) PrintOnError(a ...interface{}) *TextPrinter

PrintOnError prints every error which is not nil. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*SectionPrinter) PrintOnErrorf added in v0.12.33 

func (p *SectionPrinter) PrintOnErrorf(format string, a ...interface{}) *TextPrinter

PrintOnErrorf wraps every error which is not nil and prints it. If every error is nil, nothing will be printed. This can be used for simple error checking.

func (*SectionPrinter) Printf added in v0.3.2 

func (p *SectionPrinter) Printf(format string, a ...interface{}) *TextPrinter

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func (*SectionPrinter) Printfln added in v0.12.14 

func (p *SectionPrinter) Printfln(format string, a ...interface{}) *TextPrinter

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (*SectionPrinter) Println added in v0.3.2 

func (p *SectionPrinter) Println(a ...interface{}) *TextPrinter

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func (SectionPrinter) Sprint added in v0.3.2 

func (p SectionPrinter) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func (SectionPrinter) Sprintf added in v0.3.2 

func (p SectionPrinter) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string.

func (SectionPrinter) Sprintfln added in v0.12.14 

func (p SectionPrinter) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (SectionPrinter) Sprintln added in v0.3.2 

func (p SectionPrinter) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

func (SectionPrinter) WithBottomPadding added in v0.5.0 

func (p SectionPrinter) WithBottomPadding(padding int) *SectionPrinter

WithBottomPadding returns a new SectionPrinter with a specific top padding.

func (SectionPrinter) WithIndentCharacter added in v0.8.0 

func (p SectionPrinter) WithIndentCharacter(char string) *SectionPrinter

WithIndentCharacter returns a new SectionPrinter with a specific IndentCharacter.

func (SectionPrinter) WithLevel added in v0.4.0 

func (p SectionPrinter) WithLevel(level int) *SectionPrinter

WithLevel returns a new SectionPrinter with a specific level.

func (SectionPrinter) WithStyle added in v0.4.0 

func (p SectionPrinter) WithStyle(style *Style) *SectionPrinter

WithStyle returns a new SectionPrinter with a specific style.

func (SectionPrinter) WithTopPadding added in v0.4.0 

func (p SectionPrinter) WithTopPadding(padding int) *SectionPrinter

WithTopPadding returns a new SectionPrinter with a specific top padding.

func (SectionPrinter) WithWriter added in v0.12.40 

func (p SectionPrinter) WithWriter(writer io.Writer) *SectionPrinter

WithWriter sets the custom Writer.

type SpinnerPrinter added in v0.12.0 

type SpinnerPrinter struct {
	Text                string
	Sequence            []string
	Style               *Style
	Delay               time.Duration
	MessageStyle        *Style
	InfoPrinter         TextPrinter
	SuccessPrinter      TextPrinter
	FailPrinter         TextPrinter
	WarningPrinter      TextPrinter
	RemoveWhenDone      bool
	ShowTimer           bool
	TimerRoundingFactor time.Duration
	TimerStyle          *Style

	IsActive bool

	Writer io.Writer
	// contains filtered or unexported fields
}

SpinnerPrinter is a loading animation, which can be used if the progress is unknown. It's an animation loop, which can have a text and supports throwing errors or warnings. A TextPrinter is used to display all outputs, after the SpinnerPrinter is done.

func (*SpinnerPrinter) Fail added in v0.12.0 

func (s *SpinnerPrinter) Fail(message ...interface{})

Fail displays the fail printer. If no message is given, the text of the SpinnerPrinter will be reused as the default message.

func (*SpinnerPrinter) GenericStart added in v0.12.0 

func (s *SpinnerPrinter) GenericStart() (*LivePrinter, error)

GenericStart runs Start, but returns a LivePrinter. This is used for the interface LivePrinter. You most likely want to use Start instead of this in your program.

func (*SpinnerPrinter) GenericStop added in v0.12.0 

func (s *SpinnerPrinter) GenericStop() (*LivePrinter, error)

GenericStop runs Stop, but returns a LivePrinter. This is used for the interface LivePrinter. You most likely want to use Stop instead of this in your program.

func (*SpinnerPrinter) Info added in v0.12.44 

func (s *SpinnerPrinter) Info(message ...interface{})

Info displays an info message If no message is given, the text of the SpinnerPrinter will be reused as the default message.

func (SpinnerPrinter) Start added in v0.12.0 

func (s SpinnerPrinter) Start(text ...interface{}) (*SpinnerPrinter, error)

Start the SpinnerPrinter.

func (*SpinnerPrinter) Stop added in v0.12.0 

func (s *SpinnerPrinter) Stop() error

Stop terminates the SpinnerPrinter immediately. The SpinnerPrinter will not resolve into anything.

func (*SpinnerPrinter) Success added in v0.12.0 

func (s *SpinnerPrinter) Success(message ...interface{})

Success displays the success printer. If no message is given, the text of the SpinnerPrinter will be reused as the default message.

func (*SpinnerPrinter) UpdateText added in v0.12.0 

func (s *SpinnerPrinter) UpdateText(text string)

UpdateText updates the message of the active SpinnerPrinter. Can be used live.

func (*SpinnerPrinter) Warning added in v0.12.0 

func (s *SpinnerPrinter) Warning(message ...interface{})

Warning displays the warning printer. If no message is given, the text of the SpinnerPrinter will be reused as the default message.

func (SpinnerPrinter) WithDelay added in v0.12.0 

func (s SpinnerPrinter) WithDelay(delay time.Duration) *SpinnerPrinter

WithDelay adds a delay to the SpinnerPrinter.

func (SpinnerPrinter) WithMessageStyle added in v0.12.0 

func (s SpinnerPrinter) WithMessageStyle(style *Style) *SpinnerPrinter

WithMessageStyle adds a style to the SpinnerPrinter message.

func (SpinnerPrinter) WithRemoveWhenDone added in v0.12.0 

func (s SpinnerPrinter) WithRemoveWhenDone(b ...bool) *SpinnerPrinter

WithRemoveWhenDone removes the SpinnerPrinter after it is done.

func (SpinnerPrinter) WithSequence added in v0.12.0 

func (s SpinnerPrinter) WithSequence(sequence ...string) *SpinnerPrinter

WithSequence adds a sequence to the SpinnerPrinter.

func (SpinnerPrinter) WithShowTimer added in v0.12.28 

func (s SpinnerPrinter) WithShowTimer(b ...bool) *SpinnerPrinter

WithShowTimer shows how long the spinner is running.

func (SpinnerPrinter) WithStyle added in v0.12.0 

func (s SpinnerPrinter) WithStyle(style *Style) *SpinnerPrinter

WithStyle adds a style to the SpinnerPrinter.

func (SpinnerPrinter) WithText added in v0.12.0 

func (s SpinnerPrinter) WithText(text string) *SpinnerPrinter

WithText adds a text to the SpinnerPrinter.

func (SpinnerPrinter) WithTimerRoundingFactor added in v0.12.28 

func (s SpinnerPrinter) WithTimerRoundingFactor(factor time.Duration) *SpinnerPrinter

WithTimerRoundingFactor sets the rounding factor for the timer.

func (SpinnerPrinter) WithTimerStyle added in v0.12.28 

func (s SpinnerPrinter) WithTimerStyle(style *Style) *SpinnerPrinter

WithTimerStyle adds a style to the SpinnerPrinter timer.

func (SpinnerPrinter) WithWriter added in v0.12.42 

func (p SpinnerPrinter) WithWriter(writer io.Writer) *SpinnerPrinter

WithWriter sets the custom Writer.

type Style 

type Style []Color

Style is a collection of colors. Can include foreground, background and styling (eg. Bold, Underscore, etc.) colors.

func NewStyle added in v0.0.1 

func NewStyle(colors ...Color) *Style

NewStyle returns a new Style. Accepts multiple colors.

func (Style) Add added in v0.4.0 

func (s Style) Add(styles ...Style) Style

Add styles to the current Style.

func (Style) Code 

func (s Style) Code() string

Code convert to code string. returns like "32;45;3".

func (Style) Print 

func (s Style) Print(a ...interface{})

Print formats using the default formats for its operands and writes to standard output. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Style.

func (Style) Printf 

func (s Style) Printf(format string, a ...interface{})

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Style.

func (Style) Printfln added in v0.12.14 

func (s Style) Printfln(format string, a ...interface{})

Printfln formats according to a format specifier and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Style.

func (Style) Println 

func (s Style) Println(a ...interface{})

Println formats using the default formats for its operands and writes to standard output. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered. Input will be colored with the parent Style.

func (Style) RemoveColor added in v0.12.58 

func (s Style) RemoveColor(colors ...Color) Style

RemoveColor removes the given colors from the Style.

func (Style) Sprint 

func (s Style) Sprint(a ...interface{}) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string. Input will be colored with the parent Style.

func (Style) Sprintf 

func (s Style) Sprintf(format string, a ...interface{}) string

Sprintf formats according to a format specifier and returns the resulting string. Input will be colored with the parent Style.

func (Style) Sprintfln added in v0.12.14 

func (s Style) Sprintfln(format string, a ...interface{}) string

Sprintfln formats according to a format specifier and returns the resulting string. Spaces are always added between operands and a newline is appended. Input will be colored with the parent Style.

func (Style) Sprintln 

func (s Style) Sprintln(a ...interface{}) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended. Input will be colored with the parent Style.

func (Style) String 

func (s Style) String() string

String convert to code string. returns like "32;45;3".

type TableData added in v0.5.0 

type TableData [][]string

TableData is the type that contains the data of a TablePrinter.

type TablePrinter added in v0.12.0 

type TablePrinter struct {
	Style                   *Style
	HasHeader               bool
	HeaderStyle             *Style
	HeaderRowSeparator      string
	HeaderRowSeparatorStyle *Style
	Separator               string
	SeparatorStyle          *Style
	RowSeparator            string
	RowSeparatorStyle       *Style
	Data                    TableData
	Boxed                   bool
	LeftAlignment           bool
	RightAlignment          bool
	Writer                  io.Writer
}

TablePrinter is able to render tables.

func (TablePrinter) Render added in v0.12.0 

func (p TablePrinter) Render() error

Render prints the TablePrinter to the terminal.

func (TablePrinter) Srender added in v0.12.0 

func (p TablePrinter) Srender() (string, error)

Srender renders the TablePrinter as a string.

func (TablePrinter) WithBoxed added in v0.12.25 

func (p TablePrinter) WithBoxed(b ...bool) *TablePrinter

WithBoxed returns a new TablePrinter with a box around the table.

func (TablePrinter) WithCSVReader added in v0.12.0 

func (p TablePrinter) WithCSVReader(reader *csv.Reader) *TablePrinter

WithCSVReader return a new TablePrinter with specified Data extracted from CSV.

func (TablePrinter) WithData added in v0.12.0 

func (p TablePrinter) WithData(data [][]string) *TablePrinter

WithData returns a new TablePrinter with specific Data.

func (TablePrinter) WithHasHeader added in v0.12.0 

func (p TablePrinter) WithHasHeader(b ...bool) *TablePrinter

WithHasHeader returns a new TablePrinter, where the first line is marked as a header.

func (TablePrinter) WithHeaderRowSeparator added in v0.12.36 

func (p TablePrinter) WithHeaderRowSeparator(separator string) *TablePrinter

WithHeaderRowSeparator returns a new TablePrinter with a specific header HeaderRowSeparator.

func (TablePrinter) WithHeaderRowSeparatorStyle added in v0.12.36 

func (p TablePrinter) WithHeaderRowSeparatorStyle(style *Style) *TablePrinter

WithHeaderRowSeparatorStyle returns a new TablePrinter with a specific header HeaderRowSeparatorStyle.

func (TablePrinter) WithHeaderStyle added in v0.12.0 

func (p TablePrinter) WithHeaderStyle(style *Style) *TablePrinter

WithHeaderStyle returns a new TablePrinter with a specific HeaderStyle.

func (TablePrinter) WithLeftAlignment added in v0.12.33 

func (p TablePrinter) WithLeftAlignment(b ...bool) *TablePrinter

WithLeftAlignment returns a new TablePrinter with left alignment.

func (TablePrinter) WithRightAlignment added in v0.12.33 

func (p TablePrinter) WithRightAlignment(b ...bool) *TablePrinter

WithRightAlignment returns a new TablePrinter with right alignment.

func (TablePrinter) WithRowSeparator added in v0.12.36 

func (p TablePrinter) WithRowSeparator(separator string) *TablePrinter

WithRowSeparator returns a new TablePrinter with a specific RowSeparator.

func (TablePrinter) WithRowSeparatorStyle added in v0.12.36 

func (p TablePrinter) WithRowSeparatorStyle(style *Style) *TablePrinter

WithRowSeparatorStyle returns a new TablePrinter with a specific RowSeparatorStyle.

func (TablePrinter) WithSeparator added in v0.12.0 

func (p TablePrinter) WithSeparator(separator string) *TablePrinter

WithSeparator returns a new TablePrinter with a specific separator.

func (TablePrinter) WithSeparatorStyle added in v0.12.0 

func (p TablePrinter) WithSeparatorStyle(style *Style) *TablePrinter

WithSeparatorStyle returns a new TablePrinter with a specific SeparatorStyle.

func (TablePrinter) WithStyle added in v0.12.0 

func (p TablePrinter) WithStyle(style *Style) *TablePrinter

WithStyle returns a new TablePrinter with a specific Style.

func (TablePrinter) WithWriter added in v0.12.40 

func (p TablePrinter) WithWriter(writer io.Writer) *TablePrinter

WithWriter sets the Writer.

type TextPrinter added in v0.5.0 

type TextPrinter interface {
	// Sprint formats using the default formats for its operands and returns the resulting string.
	// Spaces are added between operands when neither is a string.
	Sprint(a ...interface{}) string

	// Sprintln formats using the default formats for its operands and returns the resulting string.
	// Spaces are always added between operands and a newline is appended.
	Sprintln(a ...interface{}) string

	// Sprintf formats according to a format specifier and returns the resulting string.
	Sprintf(format string, a ...interface{}) string

	// Sprintfln formats according to a format specifier and returns the resulting string.
	// Spaces are always added between operands and a newline is appended.
	Sprintfln(format string, a ...interface{}) string

	// Print formats using the default formats for its operands and writes to standard output.
	// Spaces are added between operands when neither is a string.
	// It returns the number of bytes written and any write error encountered.
	Print(a ...interface{}) *TextPrinter

	// Println formats using the default formats for its operands and writes to standard output.
	// Spaces are always added between operands and a newline is appended.
	// It returns the number of bytes written and any write error encountered.
	Println(a ...interface{}) *TextPrinter

	// Printf formats according to a format specifier and writes to standard output.
	// It returns the number of bytes written and any write error encountered.
	Printf(format string, a ...interface{}) *TextPrinter

	// Printfln formats according to a format specifier and writes to standard output.
	// Spaces are always added between operands and a newline is appended.
	// It returns the number of bytes written and any write error encountered.
	Printfln(format string, a ...interface{}) *TextPrinter

	// PrintOnError prints every error which is not nil.
	// If every error is nil, nothing will be printed.
	// This can be used for simple error checking.
	PrintOnError(a ...interface{}) *TextPrinter

	// PrintOnErrorf wraps every error which is not nil and prints it.
	// If every error is nil, nothing will be printed.
	// This can be used for simple error checking.
	PrintOnErrorf(format string, a ...interface{}) *TextPrinter
}

TextPrinter contains methods to print formatted text to the console or return it as a string.

type Theme added in v0.6.0 

type Theme struct {
	DefaultText             Style
	PrimaryStyle            Style
	SecondaryStyle          Style
	HighlightStyle          Style
	InfoMessageStyle        Style
	InfoPrefixStyle         Style
	SuccessMessageStyle     Style
	SuccessPrefixStyle      Style
	WarningMessageStyle     Style
	WarningPrefixStyle      Style
	ErrorMessageStyle       Style
	ErrorPrefixStyle        Style
	FatalMessageStyle       Style
	FatalPrefixStyle        Style
	DescriptionMessageStyle Style
	DescriptionPrefixStyle  Style
	ScopeStyle              Style
	ProgressbarBarStyle     Style
	ProgressbarTitleStyle   Style
	HeaderTextStyle         Style
	HeaderBackgroundStyle   Style
	SpinnerStyle            Style
	SpinnerTextStyle        Style
	TimerStyle              Style
	TableStyle              Style
	TableHeaderStyle        Style
	TableSeparatorStyle     Style
	SectionStyle            Style
	BulletListTextStyle     Style
	BulletListBulletStyle   Style
	TreeStyle               Style
	TreeTextStyle           Style
	LetterStyle             Style
	DebugMessageStyle       Style
	DebugPrefixStyle        Style
	BoxStyle                Style
	BoxTextStyle            Style
	BarLabelStyle           Style
	BarStyle                Style
	Checkmark               Checkmark
}

Theme for PTerm. Theme contains every Style used in PTerm. You can create own themes for your application or use one of the existing themes.

func (Theme) WithBarLabelStyle added in v0.12.7 

func (t Theme) WithBarLabelStyle(style Style) Theme

WithBarLabelStyle returns a new theme with overridden value.

func (Theme) WithBarStyle added in v0.12.7 

func (t Theme) WithBarStyle(style Style) Theme

WithBarStyle returns a new theme with overridden value.

func (Theme) WithBoxStyle added in v0.12.8 

func (t Theme) WithBoxStyle(style Style) Theme

WithBoxStyle returns a new theme with overridden value.

func (Theme) WithBoxTextStyle added in v0.12.8 

func (t Theme) WithBoxTextStyle(style Style) Theme

WithBoxTextStyle returns a new theme with overridden value.

func (Theme) WithBulletListBulletStyle added in v0.10.0 

func (t Theme) WithBulletListBulletStyle(style Style) Theme

WithBulletListBulletStyle returns a new theme with overridden value.

func (Theme) WithBulletListTextStyle added in v0.10.0 

func (t Theme) WithBulletListTextStyle(style Style) Theme

WithBulletListTextStyle returns a new theme with overridden value.

func (Theme) WithDebugMessageStyle added in v0.9.0 

func (t Theme) WithDebugMessageStyle(style Style) Theme

WithDebugMessageStyle returns a new theme with overridden value.

func (Theme) WithDebugPrefixStyle added in v0.9.0 

func (t Theme) WithDebugPrefixStyle(style Style) Theme

WithDebugPrefixStyle returns a new theme with overridden value.

func (Theme) WithDescriptionMessageStyle added in v0.6.0 

func (t Theme) WithDescriptionMessageStyle(style Style) Theme

WithDescriptionMessageStyle returns a new theme with overridden value.

func (Theme) WithDescriptionPrefixStyle added in v0.6.0 

func (t Theme) WithDescriptionPrefixStyle(style Style) Theme

WithDescriptionPrefixStyle returns a new theme with overridden value.

func (Theme) WithErrorMessageStyle added in v0.6.0 

func (t Theme) WithErrorMessageStyle(style Style) Theme

WithErrorMessageStyle returns a new theme with overridden value.

func (Theme) WithErrorPrefixStyle added in v0.6.0 

func (t Theme) WithErrorPrefixStyle(style Style) Theme

WithErrorPrefixStyle returns a new theme with overridden value.

func (Theme) WithFatalMessageStyle added in v0.6.0 

func (t Theme) WithFatalMessageStyle(style Style) Theme

WithFatalMessageStyle returns a new theme with overridden value.

func (Theme) WithFatalPrefixStyle added in v0.6.0 

func (t Theme) WithFatalPrefixStyle(style Style) Theme

WithFatalPrefixStyle returns a new theme with overridden value.

func (Theme) WithHighlightStyle added in v0.6.0 

func (t Theme) WithHighlightStyle(style Style) Theme

WithHighlightStyle returns a new theme with overridden value.

func (Theme) WithInfoMessageStyle added in v0.6.0 

func (t Theme) WithInfoMessageStyle(style Style) Theme

WithInfoMessageStyle returns a new theme with overridden value.

func (Theme) WithInfoPrefixStyle added in v0.6.0 

func (t Theme) WithInfoPrefixStyle(style Style) Theme

WithInfoPrefixStyle returns a new theme with overridden value.

func (Theme) WithLetterStyle added in v0.8.0 

func (t Theme) WithLetterStyle(style Style) Theme

WithLetterStyle returns a new theme with overridden value.

func (Theme) WithPrimaryStyle added in v0.6.0 

func (t Theme) WithPrimaryStyle(style Style) Theme

WithPrimaryStyle returns a new theme with overridden value.

func (Theme) WithSecondaryStyle added in v0.6.0 

func (t Theme) WithSecondaryStyle(style Style) Theme

WithSecondaryStyle returns a new theme with overridden value.

func (Theme) WithSuccessMessageStyle added in v0.6.0 

func (t Theme) WithSuccessMessageStyle(style Style) Theme

WithSuccessMessageStyle returns a new theme with overridden value.

func (Theme) WithSuccessPrefixStyle added in v0.6.0 

func (t Theme) WithSuccessPrefixStyle(style Style) Theme

WithSuccessPrefixStyle returns a new theme with overridden value.

func (Theme) WithTreeStyle added in v0.9.3 

func (t Theme) WithTreeStyle(style Style) Theme

WithTreeStyle returns a new theme with overridden value.

func (Theme) WithTreeTextStyle added in v0.9.3 

func (t Theme) WithTreeTextStyle(style Style) Theme

WithTreeTextStyle returns a new theme with overridden value.

func (Theme) WithWarningMessageStyle added in v0.6.0 

func (t Theme) WithWarningMessageStyle(style Style) Theme

WithWarningMessageStyle returns a new theme with overridden value.

func (Theme) WithWarningPrefixStyle added in v0.6.0 

func (t Theme) WithWarningPrefixStyle(style Style) Theme

WithWarningPrefixStyle returns a new theme with overridden value.

type TreeNode added in v0.9.3 

type TreeNode struct {
	Children []TreeNode
	Text     string
}

TreeNode is used as items in a TreePrinter.

func NewTreeFromLeveledList deprecated added in v0.9.3 

func NewTreeFromLeveledList(leveledListItems LeveledList) TreeNode

NewTreeFromLeveledList converts a TreeItems list to a TreeNode and returns it.

Deprecated: use putils.TreeFromLeveledList instead.

type TreePrinter added in v0.12.0 

type TreePrinter struct {
	Root                 TreeNode
	TreeStyle            *Style
	TextStyle            *Style
	TopRightCornerString string
	TopRightDownString   string
	HorizontalString     string
	VerticalString       string
	RightDownLeftString  string
	Indent               int
	Writer               io.Writer
}

TreePrinter is able to render a list.

func (TreePrinter) Render added in v0.12.0 

func (p TreePrinter) Render() error

Render prints the list to the terminal.

func (TreePrinter) Srender added in v0.12.0 

func (p TreePrinter) Srender() (string, error)

Srender renders the list as a string.

func (TreePrinter) WithHorizontalString added in v0.12.0 

func (p TreePrinter) WithHorizontalString(s string) *TreePrinter

WithHorizontalString returns a new list with a specific HorizontalString.

func (TreePrinter) WithIndent added in v0.12.0 

func (p TreePrinter) WithIndent(indent int) *TreePrinter

WithIndent returns a new list with a specific amount of spacing between the levels. Indent must be at least 1.

func (TreePrinter) WithRoot added in v0.12.0 

func (p TreePrinter) WithRoot(root TreeNode) *TreePrinter

WithRoot returns a new list with a specific Root.

func (TreePrinter) WithTextStyle added in v0.12.0 

func (p TreePrinter) WithTextStyle(style *Style) *TreePrinter

WithTextStyle returns a new list with a specific text style.

func (TreePrinter) WithTopRightCornerString added in v0.12.0 

func (p TreePrinter) WithTopRightCornerString(s string) *TreePrinter

WithTopRightCornerString returns a new list with a specific TopRightCornerString.

func (TreePrinter) WithTopRightDownStringOngoing added in v0.12.0 

func (p TreePrinter) WithTopRightDownStringOngoing(s string) *TreePrinter

WithTopRightDownStringOngoing returns a new list with a specific TopRightDownString.

func (TreePrinter) WithTreeStyle added in v0.12.0 

func (p TreePrinter) WithTreeStyle(style *Style) *TreePrinter

WithTreeStyle returns a new list with a specific tree style.

func (TreePrinter) WithVerticalString added in v0.12.0 

func (p TreePrinter) WithVerticalString(s string) *TreePrinter

WithVerticalString returns a new list with a specific VerticalString.

func (TreePrinter) WithWriter added in v0.12.40 

func (p TreePrinter) WithWriter(writer io.Writer) *TreePrinter

WithWriter sets the Writer.

Source Files

View all Source files

Directories

Path Synopsis
_examples
area/center
area/default
area/demo
area/dynamic-chart
area/fullscreen
area/fullscreen-center
barchart/custom-height
barchart/custom-width
barchart/default
barchart/demo
barchart/horizontal
barchart/horizontal-show-value
barchart/mixed-values
barchart/negative-values
barchart/show-value
basictext/demo
bigtext/colored
bigtext/default
bigtext/demo
box/custom-padding
box/default
box/demo
box/title
bulletlist/customized
bulletlist/demo
center/demo
coloring/demo
coloring/disable-output
coloring/fade-colors
coloring/fade-colors-rgb-style
coloring/fade-multiple-colors
coloring/override-default-printers
coloring/print-color-rgb
coloring/print-color-rgb-style
demo/demo
header/custom
header/demo
interactive_confirm/demo
interactive_continue/demo
interactive_multiselect/custom-checkmarks
interactive_multiselect/custom-keys
interactive_multiselect/demo
interactive_select/demo
interactive_textinput/demo
interactive_textinput/multi-line
interactive_textinput/password
logger/custom-key-styles
logger/default
logger/demo
logger/json
logger/with-caller
panel/demo
paragraph/customized
paragraph/demo
prefix/demo
progressbar/demo
section/demo
spinner/demo
style/demo
table/boxed
table/demo
table/multiple-lines
table/right-alignment
theme/demo
tree/demo
tree/from-leveled-list
Package putils contains utility functions for PTerm, to make it's usage even easier! It contains pre-made functions, that utilize PTerm, to print various stuff to the terminal.
 Package putils contains utility functions for PTerm, to make it's usage even easier! It contains pre-made functions, that utilize PTerm, to print various stuff to the terminal.

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