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import _curry1 from './internal/_curry1';import _has from './internal/_has';import _isArguments from './internal/_isArguments';
// cover IE < 9 keys issuesvar hasEnumBug = !({toString: null}).propertyIsEnumerable('toString');var nonEnumerableProps = [  'constructor', 'valueOf', 'isPrototypeOf', 'toString',  'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];// Safari bugvar hasArgsEnumBug = (function() {  'use strict';  return arguments.propertyIsEnumerable('length');}());
var contains = function contains(list, item) {  var idx = 0;  while (idx < list.length) {    if (list[idx] === item) {      return true;    }    idx += 1;  }  return false;};
/** * Returns a list containing the names of all the enumerable own properties of * the supplied object. * Note that the order of the output array is not guaranteed to be consistent * across different JS platforms. * * @func * @memberOf R * @since v0.1.0 * @category Object * @sig {k: v} -> [k] * @param {Object} obj The object to extract properties from * @return {Array} An array of the object's own properties. * @see R.keysIn, R.values * @example * *      R.keys({a: 1, b: 2, c: 3}); //=> ['a', 'b', 'c'] */var keys = typeof Object.keys === 'function' && !hasArgsEnumBug ?  _curry1(function keys(obj) {    return Object(obj) !== obj ? [] : Object.keys(obj);  }) :  _curry1(function keys(obj) {    if (Object(obj) !== obj) {      return [];    }    var prop, nIdx;    var ks = [];    var checkArgsLength = hasArgsEnumBug && _isArguments(obj);    for (prop in obj) {      if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {        ks[ks.length] = prop;      }    }    if (hasEnumBug) {      nIdx = nonEnumerableProps.length - 1;      while (nIdx >= 0) {        prop = nonEnumerableProps[nIdx];        if (_has(prop, obj) && !contains(ks, prop)) {          ks[ks.length] = prop;        }        nIdx -= 1;      }    }    return ks;  });export default keys;