left-pad

What is left-pad?

The left-pad npm package is a simple utility that allows you to pad a string with characters to ensure it reaches a certain length. It is primarily used to add padding to the left side of a string.

What are left-pad's main functionalities?

String Padding

This feature allows you to pad a string with spaces or any other character to a certain length. It is useful for aligning text or ensuring that strings fit into a fixed-width layout.

"hello".padStart(10, ' '); // results in '     hello'

Other packages similar to left-pad

string-padding

This package offers similar functionality to left-pad, allowing for padding on both the left and right sides of a string. It provides more flexibility compared to left-pad.

pad

The pad package is another alternative that provides both left and right padding of strings. It is more versatile than left-pad as it supports padding on either side.

pad-left

Pad-left is specifically focused on left padding, similar to left-pad. However, it might have different implementation details or additional options.

README

left-pad

String left pad

Install

$ npm install left-pad

Usage

const leftPad = require('left-pad')

leftPad('foo', 5)
// => "  foo"

leftPad('foobar', 6)
// => "foobar"

leftPad(1, 2, '0')
// => "01"

leftPad(17, 5, 0)
// => "00017"

NOTE: The third argument should be a single char. However the module doesn't throw an error if you supply more than one chars. See #28.

NOTE: Characters having code points outside of BMP plan are considered a two distinct characters. See #58.