Make execa compatible with Node.js 13.0.0-pre (#370)

Author: Trott

index.js

@@ -189,7 +189,7 @@ module.exports.sync = (file, args, options) => {
 			code: result.status,
 			command,
 			parsed,
-			timedOut: result.error && result.error.errno === 'ETIMEDOUT',
+			timedOut: result.error && result.error.code === 'ETIMEDOUT',
 			isCanceled: false,
 			killed: result.signal !== null
 		});

readme.md

@@ -66,7 +66,7 @@ const execa = require('execa');
 		/*
 		{
 			message: 'Command failed with exit code 2 (ENOENT): wrong command spawn wrong ENOENT',
-			errno: 'ENOENT',
+			errno: -2,
 			syscall: 'spawn wrong',
 			path: 'wrong',
 			spawnargs: ['command'],
@@ -105,7 +105,7 @@ try {
 	/*
 	{
 		message: 'Command failed with exit code 2 (ENOENT): wrong command spawnSync wrong ENOENT',
-		errno: 'ENOENT',
+		errno: -2,
 		syscall: 'spawnSync wrong',
 		path: 'wrong',
 		spawnargs: ['command'],