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ansis

4.5.0 · 1 Nov 2026ISC56.7M / weekRepositoryHomepagenpmAtom feed

Your version

3.14.0

12 Feb 2025Where it was published

3.17.0 is the newest release of 3.x.

In short

6 new3 fixed6 changed

Release note

Cumulative Release v3.6.0 - v3.14.0

Features

  • Added support for chromium-based browsers.\ Now you can use truecolor in the consoles of Chrome, Edge, Opera, Brave, Vivaldi and other Chromium-based browsers.
    Browsers that do not support ANSI codes will display black and white text.

  • Added support for \n as a newline in template literals, e.g.: green`Hello\nWorld` renders: 

    Hello
World

  • Function ansis.reset() returns the reset escape code \e[0m.

  • Enforce a specific color support by a FORCE_COLOR value:

    • false - Disables colors

    • 0 - Disables colors

    • true (or unset) - Auto detects the supported colors (if no color detected, enforce truecolor)

    • 1 - Enables 16 colors

    • 2 - Enables 256 colors

    • 3 - Enables truecolor

  • Removed undocumented pointless dummy function ansis(any).

Warning

This is not a BREAKING CHANGE because it was never officially documented! 

import ansis from 'ansis';  
ansis('text'); // <= now will occur the ERROR TS2349: This expression is not callable.

This warning applies only to projects where Chalk was replaced with Ansis and something like chalk('text') was used.

Just replace ansis('text') with 'text'.

The ansis('text') function was a dummy and did nothing except return the same input string.

  • Added support for legacy Node.js v14 (in package.json for npm was changed the engines to "node": ">=14").

  • Micro optimisations for slight performance improvements.

Bug Fixes

  • If the function argument is an empty string should be returned an empty string w/o escape codes: 

    ansis.red('') => '', // returns empty string w/o escape codes

  • Cast falsy values false and NaN to a string.
    In previous versions, the empty string '' was returned for falsy values.

  • Functions with argument 0 , e.g. ansis.red(0), returning empty string '', now return colored value '0'