Remove the faking of the TTY in worker processes

* Remove the faking of the TTY in worker processes

* Replace global console in workers with one that has color mode enabled (if the main process has colors enabled, that is).

Author: novemberborn

lib/fork.js

@@ -12,13 +12,6 @@ if (fs.realpathSync(__filename) !== __filename) {
 // the presence of this variable allows it to require this one instead
 const AVA_PATH = path.resolve(__dirname, '..');
 
-const describeTTY = tty => ({
-	colorDepth: tty.getColorDepth ? tty.getColorDepth() : undefined,
-	hasColors: typeof tty.hasColors === 'function',
-	columns: tty.columns || 80,
-	rows: tty.rows
-});
-
 const workerPath = require.resolve('./worker/subprocess');
 
 module.exports = (file, opts, execArgv) => {
@@ -34,10 +27,6 @@ module.exports = (file, opts, execArgv) => {
 	opts = {
 		file,
 		baseDir: process.cwd(),
-		tty: {
-			stderr: process.stderr.isTTY ? describeTTY(process.stderr) : false,
-			stdout: process.stdout.isTTY ? describeTTY(process.stdout) : false
-		},
 		...opts
 	};
 

lib/worker/fake-tty-has-colors.js

@@ -1,4 +1,5 @@
 'use strict';
+const {Console} = require('console'); // eslint-disable-line node/prefer-global/console
 const currentlyUnhandled = require('currently-unhandled')();
 
 require('./ensure-forked'); // eslint-disable-line import/no-unassigned-import
@@ -9,7 +10,11 @@ ipc.send({type: 'ready-for-options'});
 ipc.options.then(options => {
 	require('./options').set(options);
 	require('../chalk').set(options.chalkOptions);
-	require('./fake-tty'); // eslint-disable-line import/no-unassigned-import
+
+	if (options.chalkOptions.level > 0) {
+		const {stdout, stderr} = process;
+		global.console = new Console({stdout, stderr, colorMode: true});
+	}
 
 	const babelManager = require('../babel-manager');
 	const nowAndTimers = require('../now-and-timers');

lib/worker/fake-tty.js

@@ -58,7 +58,6 @@
 	],
 	"dependencies": {
 		"@concordance/react": "^2.0.0",
-		"ansi-escapes": "^4.3.0",
 		"ansi-styles": "^4.2.1",
 		"arrify": "^2.0.1",
 		"chalk": "^3.0.0",
@@ -113,6 +112,7 @@
 	"devDependencies": {
 		"@ava/babel": "^0.5.0",
 		"@types/node": "^10.17.13",
+		"ansi-escapes": "^4.3.0",
 		"delay": "^4.3.0",
 		"esm": "^3.2.25",
 		"execa": "^4.0.0",