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- 'use strict';
- var hasOwn = require('hasown');
- // data descriptor properties
- var data = {
- __proto__: null,
- configurable: 'boolean',
- enumerable: 'boolean',
- writable: 'boolean',
- };
- module.exports = function isDataDescriptor(obj, prop) {
- if (!obj || typeof obj !== 'object') {
- return false;
- }
- if (typeof prop === 'string') {
- var val = Object.getOwnPropertyDescriptor(obj, prop);
- return typeof val !== 'undefined';
- }
- if (
- (!('value' in obj) && !('writable' in obj))
- || 'get' in obj
- || 'set' in obj
- ) {
- return false;
- }
- for (var key in obj) { // eslint-disable-line no-restricted-syntax
- if (
- key !== 'value'
- && hasOwn(obj, key)
- && hasOwn(data, key)
- && typeof obj[key] !== data[key]
- && typeof obj[key] !== 'undefined'
- ) {
- return false;
- }
- }
- return true;
- };
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