Commit

1 files changed, 27 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/test/helpers/defineProperty.js b/src/node_modules/es-abstract/test/helpers/defineProperty.js
new file mode 100644
index 0000000..03102a8
--- /dev/null
+++ b/src/node_modules/es-abstract/test/helpers/defineProperty.js
@@ -0,0 +1,27 @@
+'use strict';
+
+var GetIntrinsic = require('../../GetIntrinsic');
+
+var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
+
+if ($defineProperty) {
+	try {
+		$defineProperty({}, 'a', { value: 1 });
+	} catch (e) {
+		// IE 8 has a broken defineProperty
+		$defineProperty = null;
+	}
+}
+
+module.exports = function defineProperty(O, P, Desc) {
+	if ($defineProperty) {
+		return $defineProperty(O, P, Desc);
+	}
+	if ((Desc.enumerable && Desc.configurable && Desc.writable) || !(P in O)) {
+		O[P] = Desc.value; // eslint-disable-line no-param-reassign
+		return O;
+	}
+
+	throw new SyntaxError('helper does not yet support this configuration');
+};
+module.exports.oDP = $defineProperty;