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use String.prototype.padStart()

left-pad

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.