ansicolor typescript

index.ts

   function ansicolor(str: string, colour:
      | 0 // all attributes off
      | 1 // bold on
      | 4 // underline on
      | 5 // blink on
      | 21 // bold off
      | 24 // underline off
      | 25 // blink off
      | 30 // bloack foreground
      | 31 // red foreground
      | 32 // green foreground
      | 33 // yellow foreground
      | 34 // blue foreground
      | 35 // magenta foreground
      | 36 // cyan foreground
      | 37 // white foreground
      | 39 // default foreground
      | 40 // black background
      | 41 // red background
      | 42 // green background
      | 43 // yellow background
      | 44 // blue background
      | 45 // magenta background
      | 46 // cyan background
      | 47 // white background
      | 49 // default background
      | 90 // gray foreground
      | 91 // light red foreground
      | 92 // light green foreground
      | 93 // light yellow foreground
      | 94 // light blue foreground
      | 95 // light magenta foreground
      | 96 // light cyan foreground
      | 97 // light white foreground
      | 100 // gray background
      | 101 // light red background
      | 102 // light green background
      | 103 // light yellow background
      | 104 // light blue background
      | 105 // light magenta background
      | 106 // light cyan background
      | 107 // light white background
      | 'bold'
      | 'underline'
      | 'blink'
      | 'red'
      | 'green'
      | 'yellow'
      | 'blue'
      | 'magenta'
      | 'cyan'
      | 'white'
      | 'default'
      | 'gray'
      | 'light-red'
      | 'light-green'
      | 'light-yellow'
      | 'light-blue'
      | 'light-magenta'
      | 'light-cyan'
      | 'light-white'
      | 'red-background'
      | 'green-background'
      | 'yellow-background'
      | 'blue-background'
      | 'magenta-background'
      | 'cyan-background'
      | 'white-background'
      | 'default-background'
      | 'gray-background'
      | 'light-red-background'
      | 'light-green-background'
      | 'light-yellow-background'
      | 'light-blue-background'
      | 'light-magenta-background'
      | 'light-cyan-background'
      | 'light-white-background'
      | number
    ) {
      if (!process.stdout.isTTY) {
        return str;
      }

      switch (colour) {
        case 'bold': colour = 1; break;
        case 'underline': colour = 4; break;
        case 'blink': colour = 5; break;
        case 'red': colour = 31; break;
        case 'green': colour = 32; break;
        case 'yellow': colour = 33; break;
        case 'blue': colour = 34; break;
        case 'magenta': colour = 35; break;
        case 'cyan': colour = 36; break;
        case 'white': colour = 37; break;
        case 'default': colour = 39; break;
        case 'gray': colour = 90; break;
        case 'light-red': colour = 91; break;
        case 'light-green': colour = 92; break;
        case 'light-yellow': colour = 93; break;
        case 'light-blue': colour = 94; break;
        case 'light-magenta': colour = 95; break;
        case 'light-cyan': colour = 96; break;
        case 'light-white': colour = 97; break;
        case 'red-background': colour = 41; break;
        case 'green-background': colour = 42; break;
        case 'yellow-background': colour = 43; break;
        case 'blue-background': colour = 44; break;
        case 'magenta-background': colour = 45; break;
        case 'cyan-background': colour = 46; break;
        case 'white-background': colour = 47; break;
        case 'default-background': colour = 49; break;
        case 'gray-background': colour = 100; break;
        case 'light-red-background': colour = 101; break;
        case 'light-green-background': colour = 102; break;
        case 'light-yellow-background': colour = 103; break;
        case 'light-blue-background': colour = 104; break;
        case 'light-magenta-background': colour = 105; break;
        case 'light-cyan-background': colour = 106; break;
        case 'light-white-background': colour = 107; break;
      }

      return `\x1b[${colour}m${str}\x1b[0m`;
    }