yoctocolors

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^{yoctocolors 🌈}

The smallest and fastest command-line coloring package on the internet

Check out Chalk if you want something more mature and comprehensive.

Highlights

• Tiny
• Fast
• Tree-shakeable
• No dependencies
• Actively maintained

Install

npm install yoctocolors

Usage

import * as colors from 'yoctocolors';

console.log(colors.red('Yo!'));

This package supports basic color detection. Colors can be forcefully enabled by setting the FORCE_COLOR environment variable to 1 and can be forcefully disabled by setting NO_COLOR or NODE_DISABLE_COLORS to any value. More info.

Styles

Modifiers

• reset - Reset the current style.
• bold - Make the text bold.
• dim - Make the text have lower opacity.
• italic - Make the text italic. (Not widely supported)
• underline - Put a horizontal line above the text. (Not widely supported)
• overline - Put a horizontal line below the text. (Not widely supported)
• inverse- Invert background and foreground colors.
• hidden - Print the text but make it invisible.
• strikethrough - Put a horizontal line through the center of the text. (Not widely supported)

Colors

• black
• red
• green
• yellow
• blue
• magenta
• cyan
• white
• gray

Background colors

• bgBlack
• bgRed
• bgGreen
• bgYellow
• bgBlue
• bgMagenta
• bgCyan
• bgWhite
• bgGray

Prior art

Yes

Benchmark

$ ./benchmark.js
┌─────────┬────────────────┬─────────────┐
│ (index) │    library     │   ops/sec   │
├─────────┼────────────────┼─────────────┤
│    0    │ 'yoctocolors'  │ '8,771,930' │
│    1    │  'nanocolors'  │ '6,896,552' │
│    2    │  'colorette'   │ '6,172,840' │
│    3    │  'picocolors'  │ '6,060,606' │
│    4    │ 'kleur/colors' │ '5,263,158' │
│    5    │    'chalk'     │ '4,484,305' │
│    6    │    'kleur'     │ '3,731,343' │
│    7    │ 'ansi-colors'  │ '1,283,697' │
│    8    │  'cli-color'   │  '393,236'  │
└─────────┴────────────────┴─────────────┘

See benchmark.js.

FAQ

What is yocto?

It's the smallest official unit prefix in the metric system. Much smaller than nano.

Related

• yoctodelay - Delay a promise a given amount of time
• chalk - Terminal string styling