/**
 * @author Titus Wormer
 * @copyright 2015 Titus Wormer
 * @license MIT
 * @module remark:parse:locate:emphasis
 * @fileoverview Locate italics / emphasis.
 */

'use strict';

module.exports = locate;

function locate(value, fromIndex) {
  var asterisk = value.indexOf('*', fromIndex);
  var underscore = value.indexOf('_', fromIndex);

  if (underscore === -1) {
    return asterisk;
  }

  if (asterisk === -1) {
    return underscore;
  }

  return underscore < asterisk ? underscore : asterisk;
}