git.r.bdr.sh - rbdr/tomato-sauce/blob - lib/renderers/256_colors.js

   1 'use strict';
   2
   3 // Returns a 256 color, see
   4 // https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
   5 // under 256 colors for more info.
   6 const TwoFiftySixColors = function (red, blue, green) {
   7   let redValue = Math.round(red * 5 / 255);
   8   let blueValue = Math.round(blue * 5 / 255);
   9   let greenValue = Math.round(green * 5 / 255);
  10
  11   let colorNumber = 16 + 36 * redValue + 6 * greenValue + blueValue;
  12
  13   return `\x1B[48;5;${colorNumber}m`;
  14 };
  15
  16 module.exports = TwoFiftySixColors;