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[rbdr/tomato-sauce] / 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;