functions.js

// includes anywhere (does this now)
function selector(string, list) {
  list = list || all();
  if (list.cssRules) {
    list = [list];
  }
  return list.map(function(stylesheet) {
    return filter(
      stylesheet,
      function(rule) {
        return rule.selectorText && rule.selectorText.indexOf(string) !== -1;
      }
    );
  }).filter(hasRules);
}

// strictly matches (doesnt do this now)
function selector(string, list) {
  list = list || all();
  if (list.cssRules) {
    list = [list];
  }
  return list.map(function(stylesheet) {
    return filter(
      stylesheet,
      function(rule) {
        return rule.selectorText === string;
      }
    );
  }).filter(hasRules);
}

// both (should it be like this?)
function selector(string, list, option) {
  list = list || all();
  option = option || false
  if (list.cssRules) {
    list = [list];
  }
  return list.map(function(stylesheet) {
    return filter(
      stylesheet,
      function(rule) {
        if (option) {
          return rule.selectorText === string
        } else {
          return rule.selectorText && rule.selectorText.indexOf(string) !== -1
        }
      }
    );
  }).filter(hasRules);
}