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- import _curry1 from "./internal/_curry1.js";
- import _has from "./internal/_has.js";
- import _isArguments from "./internal/_isArguments.js"; // cover IE < 9 keys issues
-
- var hasEnumBug = !
- /*#__PURE__*/
- {
- toString: null
- }.propertyIsEnumerable('toString');
- var nonEnumerableProps = ['constructor', 'valueOf', 'isPrototypeOf', 'toString', 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; // Safari bug
-
- var hasArgsEnumBug =
- /*#__PURE__*/
- 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 ?
- /*#__PURE__*/
- _curry1(function keys(obj) {
- return Object(obj) !== obj ? [] : Object.keys(obj);
- }) :
- /*#__PURE__*/
- _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;
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