From 3a4deac89054021b56ad5bd8005b2044cc085c98 Mon Sep 17 00:00:00 2001
From: 8cy <50817549+8cy@users.noreply.github.com>
Date: Thu, 30 Apr 2020 15:46:16 -0700
Subject: Up, up, uppity.

---
 node_modules/object.assign/polyfill.js | 51 ++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 node_modules/object.assign/polyfill.js

(limited to 'node_modules/object.assign/polyfill.js')

diff --git a/node_modules/object.assign/polyfill.js b/node_modules/object.assign/polyfill.js
new file mode 100644
index 0000000..5b6c577
--- /dev/null
+++ b/node_modules/object.assign/polyfill.js
@@ -0,0 +1,51 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+var lacksProperEnumerationOrder = function () {
+	if (!Object.assign) {
+		return false;
+	}
+	// v8, specifically in node 4.x, has a bug with incorrect property enumeration order
+	// note: this does not detect the bug unless there's 20 characters
+	var str = 'abcdefghijklmnopqrst';
+	var letters = str.split('');
+	var map = {};
+	for (var i = 0; i < letters.length; ++i) {
+		map[letters[i]] = letters[i];
+	}
+	var obj = Object.assign({}, map);
+	var actual = '';
+	for (var k in obj) {
+		actual += k;
+	}
+	return str !== actual;
+};
+
+var assignHasPendingExceptions = function () {
+	if (!Object.assign || !Object.preventExtensions) {
+		return false;
+	}
+	// Firefox 37 still has "pending exception" logic in its Object.assign implementation,
+	// which is 72% slower than our shim, and Firefox 40's native implementation.
+	var thrower = Object.preventExtensions({ 1: 2 });
+	try {
+		Object.assign(thrower, 'xy');
+	} catch (e) {
+		return thrower[1] === 'y';
+	}
+	return false;
+};
+
+module.exports = function getPolyfill() {
+	if (!Object.assign) {
+		return implementation;
+	}
+	if (lacksProperEnumerationOrder()) {
+		return implementation;
+	}
+	if (assignHasPendingExceptions()) {
+		return implementation;
+	}
+	return Object.assign;
+};
-- 
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