Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

util: handle symbols properly in format() #931

Closed
wants to merge 1 commit into from
Closed

util: handle symbols properly in format() #931

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion lib/util.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ exports.format = function(f) {
}
});
for (var x = args[i]; i < len; x = args[++i]) {
if (x === null || typeof x !== 'object') {
if (x === null || (typeof x !== 'object' && typeof x !== 'symbol')) {
str += ' ' + x;
} else {
str += ' ' + inspect(x);
Expand Down
10 changes: 10 additions & 0 deletions test/parallel/test-util-format.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
var common = require('../common');
var assert = require('assert');
var util = require('util');
var symbol = Symbol('foo');

assert.equal(util.format(), '');
assert.equal(util.format(''), '');
Expand All @@ -14,6 +15,15 @@ assert.equal(util.format('test'), 'test');
// CHECKME this is for console.log() compatibility - but is it *right*?
assert.equal(util.format('foo', 'bar', 'baz'), 'foo bar baz');

// ES6 Symbol handling
assert.equal(util.format(symbol), 'Symbol(foo)');
assert.equal(util.format('foo', symbol), 'foo Symbol(foo)');
assert.equal(util.format('%s', symbol), 'Symbol(foo)');
assert.equal(util.format('%j', symbol), 'undefined');
assert.throws(function() {
util.format('%d', symbol);
}, TypeError);

assert.equal(util.format('%d', 42.0), '42');
assert.equal(util.format('%d', 42), '42');
assert.equal(util.format('%s', 42), '42');
Expand Down