Remove error.code

index.js

@@ -182,9 +182,9 @@ function makeError(result, options) {
 	}
 
 	error.command = joinedCommand;
+	delete error.code;
 	error.exitCode = exitCode;
 	error.exitCodeName = exitCodeName;
-	error.code = exitCode || exitCodeName;
 	error.stdout = stdout;
 	error.stderr = stderr;
 
@@ -374,7 +374,6 @@ const execa = (command, args, options) => {
 				command: joinedCommand,
 				exitCode: 0,
 				exitCodeName: 'SUCCESS',
-				code: 0,
 				stdout: result.stdout,
 				stderr: result.stderr,
 				all: result.all,
@@ -446,7 +445,6 @@ module.exports.sync = (command, args, options) => {
 		command: joinedCommand,
 		exitCode: 0,
 		exitCodeName: 'SUCCESS',
-		code: 0,
 		stdout: result.stdout,
 		stderr: result.stderr,
 		failed: false,

readme.md

@@ -62,7 +62,6 @@ const execa = require('execa');
 		{
 			message: 'Command failed with exit code 2 (ENOENT): wrong command spawn wrong ENOENT',
 			errno: 'ENOENT',
-			code: 2,
 			syscall: 'spawn wrong',
 			path: 'wrong',
 			spawnargs: ['command'],
@@ -102,7 +101,6 @@ try {
 	{
 		message: 'Command failed with exit code 2 (ENOENT): wrong command spawnSync wrong ENOENT',
 		errno: 'ENOENT',
-		code: 2,
 		syscall: 'spawnSync wrong',
 		path: 'wrong',
 		spawnargs: ['command'],

test.js

@@ -258,13 +258,12 @@ test('allow unknown exit code', async t => {
 });
 
 test('execa() returns code and failed properties', async t => {
-	const {code, exitCode, exitCodeName, failed} = await execa('noop', ['foo']);
-	t.is(code, 0);
+	const {exitCode, exitCodeName, failed} = await execa('noop', ['foo']);
 	t.is(exitCode, 0);
 	t.is(exitCodeName, 'SUCCESS');
 	t.false(failed);
 
-	const error = await t.throwsAsync(execa('exit', ['2']), {code: 2, message: getExitRegExp('2')});
+	const error = await t.throwsAsync(execa('exit', ['2']), {message: getExitRegExp('2')});
 	t.is(error.exitCode, 2);
 	const expectedName = process.platform === 'win32' ? 'Unknown system error -2' : 'ENOENT';
 	t.is(error.exitCodeName, expectedName);
@@ -364,14 +363,14 @@ test('result.signal is undefined if process failed, but was not killed', async t
 	t.is(error.signal, undefined);
 });
 
-async function code(t, num) {
-	const error = await t.throwsAsync(execa('exit', [`${num}`]), {code: num, message: getExitRegExp(num)});
-	t.is(error.exitCode, num);
+async function testExitCode(t, num) {
+	const {exitCode} = await t.throwsAsync(execa('exit', [`${num}`]), {message: getExitRegExp(num)});
+	t.is(exitCode, num);
 }
 
-test('error.code is 2', code, 2);
-test('error.code is 3', code, 3);
-test('error.code is 4', code, 4);
+test('error.exitCode is 2', testExitCode, 2);
+test('error.exitCode is 3', testExitCode, 3);
+test('error.exitCode is 4', testExitCode, 4);
 
 test('timeout kills the process if it times out', async t => {
 	const error = await t.throwsAsync(execa('forever', {timeout: 1, message: TIMEOUT_REGEXP}));