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printer.go
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printer.go
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package logger
import (
"log"
"strings"
"github.com/fatih/color"
)
type printer func(v ...interface{})
type parameterizableLogger struct {
print printer
}
func red() *parameterizableLogger {
return colored(color.New(color.Bold, color.FgRed))
}
func yellow() *parameterizableLogger {
return colored(color.New(color.Bold, color.FgYellow))
}
func green() *parameterizableLogger {
return colored(color.New(color.Bold, color.FgGreen))
}
func dark() *parameterizableLogger {
return colored(color.New(color.Bold, color.FgBlack))
}
func colored(color *color.Color) *parameterizableLogger {
sprintLnFunc := color.SprintlnFunc()
return ¶meterizableLogger{
print: func(v ...interface{}) {
sprinted := sprintLnFunc(v...)
trimmed := strings.TrimSpace(sprinted)
log.Print(trimmed)
},
}
}
func plain() *parameterizableLogger {
return ¶meterizableLogger{
print: func(v ...interface{}) {
log.Println(v...)
},
}
}
func nop() *parameterizableLogger {
return ¶meterizableLogger{
print: func(v ...interface{}) {
},
}
}