test

node_modules/is-accessor-descriptor/index.js

@@ -0,0 +1,50 @@
+'use strict';
+
+var hasOwn = require('hasown');
+
+// accessor descriptor properties
+var accessor = {
+	__proto__: null,
+	configurable: 'boolean',
+	enumerable: 'boolean',
+	get: 'function',
+	set: 'function'
+};
+
+module.exports = function isAccessorDescriptor(obj, prop) {
+	if (typeof prop === 'string') {
+		var val = Object.getOwnPropertyDescriptor(obj, prop);
+		return typeof val !== 'undefined';
+	}
+
+	if (!obj || typeof obj !== 'object') {
+		return false;
+	}
+
+	if (hasOwn(obj, 'value') || hasOwn(obj, 'writable')) {
+		return false;
+	}
+
+	// one of them must be a function
+	if (
+		(!hasOwn(obj, 'get') || typeof obj.get !== 'function')
+		&& (!hasOwn(obj, 'set') || typeof obj.set !== 'function')
+	) {
+		return false;
+	}
+
+	// both of them must be a function or undefined
+	if (
+		(hasOwn(obj, 'get') && typeof obj.get !== 'function' && typeof obj.get !== 'undefined')
+		|| (hasOwn(obj, 'set') && typeof obj.set !== 'function' && typeof obj.set !== 'undefined')
+	) {
+		return false;
+	}
+
+	for (var key in obj) { // eslint-disable-line no-restricted-syntax
+		if (hasOwn(obj, key) && hasOwn(accessor, key) && typeof obj[key] !== accessor[key] && typeof obj[key] !== 'undefined') {
+			return false;
+		}
+	}
+	return true;
+};