1 files changed, 73 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/set-prototype-of/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/set-prototype-of/shim.js
new file mode 100644
index 0000000000..4ec944675e
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/set-prototype-of/shim.js
@@ -0,0 +1,73 @@
+// Big thanks to @WebReflection for sorting this out
+// https://gist.github.com/WebReflection/5593554
+
+'use strict';
+
+var isObject      = require('../is-object')
+  , value         = require('../valid-value')
+
+  , isPrototypeOf = Object.prototype.isPrototypeOf
+  , defineProperty = Object.defineProperty
+  , nullDesc = { configurable: true, enumerable: false, writable: true,
+		value: undefined }
+  , validate;
+
+validate = function (obj, prototype) {
+	value(obj);
+	if ((prototype === null) || isObject(prototype)) return obj;
+	throw new TypeError('Prototype must be null or an object');
+};
+
+module.exports = (function (status) {
+	var fn, set;
+	if (!status) return null;
+	if (status.level === 2) {
+		if (status.set) {
+			set = status.set;
+			fn = function (obj, prototype) {
+				set.call(validate(obj, prototype), prototype);
+				return obj;
+			};
+		} else {
+			fn = function (obj, prototype) {
+				validate(obj, prototype).__proto__ = prototype;
+				return obj;
+			};
+		}
+	} else {
+		fn = function self(obj, prototype) {
+			var isNullBase;
+			validate(obj, prototype);
+			isNullBase = isPrototypeOf.call(self.nullPolyfill, obj);
+			if (isNullBase) delete self.nullPolyfill.__proto__;
+			if (prototype === null) prototype = self.nullPolyfill;
+			obj.__proto__ = prototype;
+			if (isNullBase) defineProperty(self.nullPolyfill, '__proto__', nullDesc);
+			return obj;
+		};
+	}
+	return Object.defineProperty(fn, 'level', { configurable: false,
+		enumerable: false, writable: false, value: status.level });
+}((function () {
+	var x = Object.create(null), y = {}, set
+	  , desc = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__');
+
+	if (desc) {
+		try {
+			set = desc.set; // Opera crashes at this point
+			set.call(x, y);
+		} catch (ignore) { }
+		if (Object.getPrototypeOf(x) === y) return { set: set, level: 2 };
+	}
+
+	x.__proto__ = y;
+	if (Object.getPrototypeOf(x) === y) return { level: 2 };
+
+	x = {};
+	x.__proto__ = y;
+	if (Object.getPrototypeOf(x) === y) return { level: 1 };
+
+	return false;
+}())));
+
+require('../create');