38 lines
1000 B
JavaScript
38 lines
1000 B
JavaScript
'use strict';
|
|
|
|
var $TypeError = require('es-errors/type');
|
|
|
|
var objectKeys = require('object-keys');
|
|
var safePushApply = require('safe-push-apply');
|
|
var callBound = require('call-bound');
|
|
|
|
var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
|
|
|
|
var forEach = require('../helpers/forEach');
|
|
var isObject = require('../helpers/isObject');
|
|
|
|
// https://262.ecma-international.org/14.0/#sec-enumerableownproperties
|
|
|
|
module.exports = function EnumerableOwnProperties(O, kind) {
|
|
if (!isObject(O)) {
|
|
throw new $TypeError('Assertion failed: Type(O) is not Object');
|
|
}
|
|
|
|
var keys = objectKeys(O);
|
|
if (kind === 'key') {
|
|
return keys;
|
|
}
|
|
if (kind === 'value' || kind === 'key+value') {
|
|
var results = [];
|
|
forEach(keys, function (key) {
|
|
if ($isEnumerable(O, key)) {
|
|
safePushApply(results, [
|
|
kind === 'value' ? O[key] : [key, O[key]]
|
|
]);
|
|
}
|
|
});
|
|
return results;
|
|
}
|
|
throw new $TypeError('Assertion failed: "kind" is not "key", "value", or "key+value": ' + kind);
|
|
};
|