cli-color/lib/supports-color.js

Colors, formatting and other tools for the console

"use strict";

// store whether supports-color mode is enabled or not.
var state = null;

// force supports-color mode
var enableColor = function () { state = true; };

// disable supports-color mode
var disableColor = function () { state = false; };

// use the NO_COLOR environment variable (default)
var autoDetectSupport = function () { state = null; };

// determine whether supports-color mode is enabled.
var isColorSupported = function () { return state === null ? !process.env.NO_COLOR : state; };

module.exports = {
	enableColor: enableColor,
	disableColor: disableColor,
	autoDetectSupport: autoDetectSupport,
	isColorSupported: isColorSupported
};