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The 'colors' npm package is used to add color and style to text in the Node.js console. It allows developers to easily format their console output by adding colors, background colors, and styles such as bold or underline to their text.
Text colors
This feature allows you to change the color of the text. You can use predefined color names to set the text color.
console.log('hello'.green); // Outputs green text
Background colors
Similar to text colors, this feature allows you to set the background color of the text using predefined color names.
console.log('hello'.bgGreen); // Outputs text with a green background
Text styles
This feature allows you to apply different styles to your text, such as making it bold, underlined, or dim.
console.log('hello'.bold); // Outputs bold text
Chaining multiple styles
You can chain multiple styles together to apply several formats to your text at once.
console.log('hello'.green.underline.bold); // Outputs green, underlined, bold text
Custom themes
You can define custom themes to create a combination of styles that can be reused throughout your application.
colors.setTheme({ custom: ['red', 'underline'] }); console.log('hello'.custom); // Outputs red underlined text
Chalk is a popular npm package similar to colors. It provides a chainable API and has a cleaner syntax. Chalk is also known for being more performant and not extending String.prototype, which is considered a good practice.
cli-color is another package that offers similar functionality to colors. It provides a rich set of features for coloring and formatting terminal text. Unlike colors, cli-color does not modify the String prototype and is more modular.
ansi-colors is a lightweight alternative to colors that focuses on speed and avoiding the use of prototypes. It offers a simple API for styling terminal text using ANSI escape codes.
var sys = require('sys');
var colors = require('./colors');
sys.puts('hello'.green); // outputs green text
sys.puts('i like cake and pies'.underline.red) // outputs red underlined text
sys.puts('inverse the color'.inverse); // inverses the color
sys.puts('OMG Rainbows!'.rainbow); // rainbow (ignores spaces)
FAQs
get colors in your node.js console
We found that colors demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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