text: import isString from 'is-string';
  
  /**
   * Parses a format string or object and returns format obj for use in rendering.
   *
   * `format` is either a string with the default (positive) format, or object
   * containing `pos` (required), `neg` and `zero` values.
   *
   * Either string or format.pos must contain '%v' (value) to be valid.
   *
   * @private
   * @param {String} [format='%s%v'] - String with the format to apply, where %s is the currency symbol and %v is the value
   * @return {Object} object represnting format (with pos, neg and zero attributes)
   */
  function checkCurrencyFormat(format) {
    // Format should be a string, in which case `value` ('%v') must be present
    if (isString(format) && format.match('%v')) {
      // Create and return positive, negative and zero formats
      return {
        pos: format,
        neg: format.replace('-', '').replace('%v', '-%v'),
        zero: format
      };
    }
  
    // Otherwise, assume format was fine
    return format;
  }
  
  export default checkCurrencyFormat;
  