main repo

node_modules/es-abstract/2016/HasProperty.js

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+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var IsPropertyKey = require('./IsPropertyKey');
+var Type = require('./Type');
+
+// https://262.ecma-international.org/6.0/#sec-hasproperty
+
+module.exports = function HasProperty(O, P) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: `O` must be an Object');
+	}
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: `P` must be a Property Key');
+	}
+	return P in O;
+};