All files / atom/input/src/helpers isValidInputValue.js

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import {TYPES} from '../config.js'
 
export default (event, {type, onEnterKey}) => {
  if (type === TYPES.NUMBER) {
    // Check if input type number is valid as input type number doesn't currently work in browsers like Safari and Firefox
    // Allowing: Integers | Backspace | Tab | Delete | Left & Right arrow keys
 
    // const allowedCharacter =
    //   /(^\d*$)|(Backspace|Tab|Delete|ArrowLeft|ArrowRight|Enter)/
    const onEnterKeyArray = Array.isArray(onEnterKey) ? onEnterKey : [onEnterKey]
    const allowedCharacter = new RegExp(
      `(^\\d*$)|(${['Backspace', 'Tab', 'Delete', 'ArrowLeft', 'ArrowRight', ...onEnterKeyArray].join('|')})`
    )
    return event.key.match(allowedCharacter)
  }
  return true
}