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1 files changed, 25 insertions, 0 deletions

diff --git a/node_modules/es-abstract/es2017.js b/node_modules/es-abstract/es2017.js
new file mode 100644
index 00000000..af3ff480
--- /dev/null
+++ b/node_modules/es-abstract/es2017.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var ES2016 = require('./es2016');
+var assign = require('./helpers/assign');
+
+var ES2017 = assign(assign({}, ES2016), {
+	ToIndex: function ToIndex(value) {
+		if (typeof value === 'undefined') {
+			return 0;
+		}
+		var integerIndex = this.ToInteger(value);
+		if (integerIndex < 0) {
+			throw new RangeError('index must be >= 0');
+		}
+		var index = this.ToLength(integerIndex);
+		if (!this.SameValueZero(integerIndex, index)) {
+			throw new RangeError('index must be >= 0 and < 2 ** 53 - 1');
+		}
+		return index;
+	}
+});
+
+delete ES2017.EnumerableOwnNames; // replaced with EnumerableOwnProperties
+
+module.exports = ES2017;