Detect whether a terminal supports color. 

sindresorhus

supports-color

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	} else if (env.FORCE_COLOR === 'false') {

		noFlagForceColor = env.FORCE_COLOR.length === 0 ? 1 : Math.min(Number.parseInt(env.FORCE_COLOR, 10), 3);

function supportsColor(haveStream, {streamIsTTY, sniffFlags = true} = {}) {

	const forceColor = sniffFlags ? flagForceColor : noFlagForceColor;

	if (haveStream && !streamIsTTY && forceColor === undefined) {

		// Windows 10 build 10586 is the first Windows release that supports 256 colors.

		// Windows 10 build 14931 is the first release that supports 16m/TrueColor.

		const osRelease = os.release().split('.');

			return Number(osRelease[2]) >= 14931 ? 3 : 2;

		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {

		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE', 'DRONE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {

		return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0;

		const version = Number.parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10);

	if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) {

function getSupportLevel(stream, options = {}) {

	stdout: getSupportLevel({isTTY: tty.isatty(1)}),

	stderr: getSupportLevel({isTTY: tty.isatty(2)})

	"description": "Detect whether a terminal supports color",

	"funding": "https://github.com/chalk/supports-color?sponsor=1",

		@@ -91,3 +91,3 @@ 'use strict';
		if ('CI' in env) {
		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) \|\| env.CI_NAME === 'codeship') {
		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE', 'DRONE'].some(sign => sign in env) \|\| env.CI_NAME === 'codeship') {
		return 1;
		@@ -94,0 +94,0 @@ }

		{
		"name": "supports-color",
		"version": "8.0.0",
		"version": "8.1.0",
		"description": "Detect whether a terminal supports color",
		@@ -5,0 +5,0 @@ "license": "MIT",

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