cli/ui/spinner.go at master · hmmhmmhm/cli

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package ui

import (

"os"

"time"

"github.com/briandowns/spinner"

)

type TrainSpinner []string

var (

TrainRight TrainSpinner = []string{"🚅", "🚅🚋", "🚅🚋🚋", "🚅🚋🚋🚋", "🚅🚋🚋🚋🚋", "🚅🚋🚋🚋🚋🚋", "🚅🚋🚋🚋🚋🚋🚋", "🚅🚋🚋🚋🚋🚋🚋🚋", "🚅🚋🚋🚋🚋🚋🚋🚋🚋"}

TrainLeft TrainSpinner = []string{" 🚅", " 🚅🚋", " 🚅🚋🚋", " 🚅🚋🚋🚋", " 🚅🚋🚋🚋🚋", " 🚅🚋🚋🚋🚋🚋", " 🚅🚋🚋🚋🚋🚋🚋", " 🚅🚋🚋🚋🚋🚋🚋🚋", "🚅🚋🚋🚋🚋🚋🚋🚋🚋"}

TrainEmojis TrainSpinner = []string{"🚝", "🚅", "🚄", "🚇", "🚞", "🚈", "🚉", "🚂", "🚃", "🚊", "🚋"}

)

type SpinnerCfg struct {

// Message specifies the text label that appears while loading

Message string

// Tokens is a list of emoji to rotate through, during loading

Tokens []string

// Duration is the amount of delay between each spinner "frame"

Duration time.Duration

}

var s = &spinner.Spinner{}

func StartSpinner(cfg *SpinnerCfg) {

if cfg.Tokens == nil {

cfg.Tokens = TrainEmojis

}

if cfg.Duration.Microseconds() == 0 {

cfg.Duration = time.Duration(100) * time.Millisecond

}

s = spinner.New(cfg.Tokens, cfg.Duration)

s.Writer = os.Stdout

if cfg.Message != "" {

s.Suffix = " " + cfg.Message

}

s.Start()

}

func StopSpinner(msg string) {

if msg != "" {

s.FinalMSG = msg + "\n"

}

s.Stop()

}

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