supports-color - npm Package Compare versions

Comparing version 4.5.0 to 5.0.0

index.js

@@ -7,3 +7,3 @@ 'use strict';
 
-const support = level => {
+function translateLevel(level) {
 	if (level === 0) {
@@ -19,5 +19,5 @@ return false;
 	};
-};
+}
 
-let supportLevel = (() => {
+function supportsColor(stream) {
 	if (hasFlag('no-color') ||
@@ -46,3 +46,3 @@ hasFlag('no-colors') ||
 
-	if (process.stdout && !process.stdout.isTTY) {
+	if (stream && !stream.isTTY) {
 		return 0;
@@ -112,8 +112,18 @@ }
 	return 0;
-})();
+}
 
-if ('FORCE_COLOR' in env) {
-	supportLevel = parseInt(env.FORCE_COLOR, 10) === 0 ? 0 : (supportLevel || 1);
+function getSupportLevel(stream) {
+	let level = supportsColor(stream);
+
+	if ('FORCE_COLOR' in env) {
+		level = (env.FORCE_COLOR.length > 0 && parseInt(env.FORCE_COLOR, 10) === 0) ? 0 : (level || 1);
+	}
+
+	return translateLevel(level);
 }
 
-module.exports = process && support(supportLevel);
+module.exports = {
+	supportsColor: getSupportLevel,
+	stdout: getSupportLevel(process.stdout),
+	stderr: getSupportLevel(process.stderr)
+};

package.json

 {
   "name": "supports-color",
-  "version": "4.5.0",
+  "version": "5.0.0",
   "description": "Detect whether a terminal supports color",
@@ -5,0 +5,0 @@ "license": "MIT",

readme.md

@@ -18,12 +18,12 @@ # supports-color [![Build Status](https://travis-ci.org/chalk/supports-color.svg?branch=master)](https://travis-ci.org/chalk/supports-color)
 
-if (supportsColor) {
-	console.log('Terminal supports color');
+if (supportsColor.stdout) {
+	console.log('Terminal stdout supports color');
 }
 
-if (supportsColor.has256) {
-	console.log('Terminal supports 256 colors');
+if (supportsColor.stdout.has256) {
+	console.log('Terminal stdout supports 256 colors');
 }
 
-if (supportsColor.has16m) {
-	console.log('Terminal supports 16 million colors (truecolor)');
+if (supportsColor.stderr.has16m) {
+	console.log('Terminal stderr supports 16 million colors (truecolor)');
 }
@@ -35,5 +35,5 @@ ```
 
-Returns an `Object`, or `false` if color is not supported.
+Returns an `Object` with a `stdout` and `stderr` property for testing either streams. Each property is an `Object`, or `false` if color is not supported.
 
-The returned object specifies a level of support for color through a `.level` property and a corresponding flag:
+The `stdout`/`stderr` objects specifies a level of support for color through a `.level` property and a corresponding flag:
 
@@ -40,0 +40,0 @@ - `.level = 1` and `.hasBasic = true`: Basic color support (16 colors)

No alert changes

Improved metrics

Total package byte prevSize

6408

increased by5.79%

Lines of code

103

increased by8.42%

No dependency changes