ansis

Bug fixes

1. reset no longer appends a closing sequence

Before, reset was treated like any other style with an open and a close code, so it wrapped the value on both sides. That produced extra reset sequences in chained, nested, template literal, and multiline compositions, and the output did not match what a single reset should do.

Before:

ansis.reset('foo');
// "\x1b[0mfoo\x1b[0m"

Now:

ansis.reset('foo');
// "\x1b[0mfoo"

If you need a trailing reset, add it explicitly:

ansis.reset`foo ${ansis.red('bar')} baz` + ansis.reset();
// "\x1b[0mfoo \x1b[31mbar\x1b[39m baz\x1b[0m"

ansis.reset() without argument returns just the reset code \x1b[0m, which makes appending it easy.

2. strip() removes OSC 8 hyperlink sequences

strip() did not clear the OSC 8 sequences produced by link().
It now removes them and returns plain text:

ansis.strip(ansis.link('https://example.com', 'text'));
// "text"

3. No style leakage between instances with different color levels

Styles created on one Ansis instance could appear on another instance that was created with a different color level. That could give output rendered at the wrong color level.
Now, instances are isolated, so each one keeps its own styles and level.

import { Ansis } from 'ansis';

const noColor = new Ansis(0);
const color = new Ansis(1);

// Fixed: chained styles on `noColor` stay unstyled.
noColor.red.bold('foo');
// -> 'foo'

// Reference: a colored instance still renders the same chain with ANSI styles.
color.red.bold('foo');
// -> '\x1b[31m\x1b[1mfoo\x1b[22m\x1b[39m'

4. .extend() no longer affects other instances

Calling .extend() on one instance could override styles on other instances that use a different color level.
Now, the .extend() method stays local to the instance on which it is called.

import { Ansis } from 'ansis';

const trueColor = new Ansis(3);
const noColor = new Ansis(0);

trueColor.extend({
  pink: '#ff69b4',
});

// Fixed: `extend()` stays local to `trueColor`.
trueColor.red('foo');
// -> '\x1b[31mfoo\x1b[39m'

// Fixed: extending `trueColor` does not leak styles or color level into `noColor`.
noColor.red('foo');
// -> 'foo'