let Selector = require('../selector')
let utils = require('../utils')

class FileSelectorButton extends Selector {
  constructor(name, prefixes, all) {
    super(name, prefixes, all)

    if (this.prefixes) {
      this.prefixes = utils.uniq(this.prefixes.map(() => '-webkit-'))
    }
  }

  /**
   * Return different selectors depend on prefix
   */
  prefixed(prefix) {
    if (prefix === '-webkit-') {
      return '::-webkit-file-upload-button'
    }
    return `::${prefix}file-selector-button`
  }
}

FileSelectorButton.names = ['::file-selector-button']

module.exports = FileSelectorButton