bbo/es/search.js

bbo is a utility library of zero dependencies for javascript.

import hasOwnProperty from './has_own_property.js';

function search(needle, haystack, argStrict) {
  var strict = !!argStrict;
  var key = '';

  for (key in haystack) {
    if (hasOwnProperty(haystack, key)) {
      // eslint-disable-next-line eqeqeq
      if (strict && haystack[key] === needle || !strict && haystack[key] == needle) {
        return key;
      }
    }
  }

  return false;
}

export default search;