Input Formatter

Input that only allows numbers, and formats the input text to your desired format as you type.

Try it out!

Usage

yarn add @levidavidmurray/input-formatter

import {InputFormatter} from '@levidavidmurray/input-formatter';

const formatter = InputFormatter({
  formats: {
    3: '(xxx',
    6: '(xxx) xxx',
    10: '(xxx) xxx-xxxx',
    11: '+x (xxx) xxx-xxxx'
  },
  replaceChar: 'x',
  skipFormatOpts: [{length: 10, position: 1, skip: false}],
});

formatter.on('#input');

Formatter Config

{
  // `formats` takes a specified input max-length as a key, and the desired format 
  // for any numeric input string whose length is less than or equal to the max-length
  formats: {
    3: '(xxx',
    6: '(xxx) xxx',
    10: '(xxx) xxx-xxxx',
    11: '+x (xxx) xxx-xxxx'
  },

  // `replaceChar` specifies the character to replace in each format string
  replaceChar: 'x', // default 'x'

  // `skipFormatOpts` an array specifying whether or not to skip formatting when
  // the input length and caret position are at the specified length and position
  skipFormatOpts: [{length: 10, position: 1, skip: false}],
}