fix: Include Error properties in logs

test/fixtures/plugin-error-a.js

@@ -1,3 +1,5 @@
 module.exports = function(config, options, cb) {
-  cb(new Error('a'));
+  const error = new Error('a');
+  error.errorProperty = 'errorProperty';
+  cb(error);
 };

test/integration.test.js

@@ -634,8 +634,12 @@ test.serial('Log unexpected errors from plugins and exit with 1', async t => {
   await gitCommits(['feat: Initial commit']);
   t.log('$ semantic-release');
   let {stderr, code} = await execa(cli, [], {env, reject: false});
+  // Verify the type and message are logged
   t.regex(stderr, /Error: a/);
+  // Verify the the stacktrace is logged
   t.regex(stderr, new RegExp(pluginError));
+  // Verify the Error properties are logged
+  t.regex(stderr, /errorProperty: 'errorProperty'/);
   t.is(code, 1);
 });
 

test/logger.test.js

@@ -1,5 +1,5 @@
 import test from 'ava';
-import {stub} from 'sinon';
+import {stub, match} from 'sinon';
 import logger from '../src/lib/logger';
 
 test.beforeEach(t => {
@@ -20,18 +20,29 @@ test.serial('Basic log', t => {
   t.true(t.context.error.calledWithMatch(/.*test error/));
 });
 
+test.serial('Log object', t => {
+  const obj = {a: 1, b: '2'};
+  logger.log(obj);
+  logger.error(obj);
+
+  t.true(t.context.log.calledWithMatch(match.string, obj));
+  t.true(t.context.error.calledWithMatch(match.string, obj));
+});
+
 test.serial('Log with string formatting', t => {
   logger.log('test log %s', 'log value');
   logger.error('test error %s', 'error value');
 
-  t.true(t.context.log.calledWithMatch(/.*test log %s/, 'log value'));
-  t.true(t.context.error.calledWithMatch(/.*test error %s/, 'error value'));
+  t.true(t.context.log.calledWithMatch(/.*test log/, 'log value'));
+  t.true(t.context.error.calledWithMatch(/.*test error/, 'error value'));
 });
 
-test.serial('Log with error stacktrace', t => {
-  logger.error(new Error('error message'));
-  logger.error('test error %s', new Error('other error message'));
+test.serial('Log with error stacktrace and properties', t => {
+  const error = new Error('error message');
+  logger.error(error);
+  const otherError = new Error('other error message');
+  logger.error('test error %O', otherError);
 
-  t.true(t.context.error.calledWithMatch(/.*test error %s/, /Error: other error message(\s|.)*?logger\.test\.js/));
-  t.true(t.context.error.calledWithMatch(/Error: error message(\s|.)*?logger\.test\.js/));
+  t.true(t.context.error.calledWithMatch(match.string, error));
+  t.true(t.context.error.calledWithMatch(/.*test error/, otherError));
 });