github.com/minio/console@v1.4.1/pkg/logger/color/color.go (about)

     1  // This file is part of MinIO Console Server
     2  // Copyright (c) 2022 MinIO, Inc.
     3  //
     4  // This program is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Affero General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // This program is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  // GNU Affero General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Affero General Public License
    15  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package color
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"github.com/fatih/color"
    23  )
    24  
    25  // global colors.
    26  var (
    27  	// Check if we stderr, stdout are dumb terminals, we do not apply
    28  	// ansi coloring on dumb terminals.
    29  	IsTerminal = func() bool {
    30  		return !color.NoColor
    31  	}
    32  
    33  	Bold = func() func(a ...interface{}) string {
    34  		if IsTerminal() {
    35  			return color.New(color.Bold).SprintFunc()
    36  		}
    37  		return fmt.Sprint
    38  	}()
    39  
    40  	FgRed = func() func(a ...interface{}) string {
    41  		if IsTerminal() {
    42  			return color.New(color.FgRed).SprintFunc()
    43  		}
    44  		return fmt.Sprint
    45  	}()
    46  
    47  	BgRed = func() func(format string, a ...interface{}) string {
    48  		if IsTerminal() {
    49  			return color.New(color.BgRed).SprintfFunc()
    50  		}
    51  		return fmt.Sprintf
    52  	}()
    53  
    54  	FgWhite = func() func(format string, a ...interface{}) string {
    55  		if IsTerminal() {
    56  			return color.New(color.FgWhite).SprintfFunc()
    57  		}
    58  		return fmt.Sprintf
    59  	}()
    60  )