wishthis/node_modules/autoprefixer/lib/old-value.js

let utils = require('./utils')

class OldValue {
  constructor(unprefixed, prefixed, string, regexp) {
    this.unprefixed = unprefixed
    this.prefixed = prefixed
    this.string = string || prefixed
    this.regexp = regexp || utils.regexp(prefixed)
  }

  /**
   * Check, that value contain old value
   */
  check(value) {
    if (value.includes(this.string)) {
      return !!value.match(this.regexp)
    }
    return false
  }
}

module.exports = OldValue