1 files changed, 29 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/e-index-of.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/e-index-of.js
new file mode 100644
index 0000000000..80864d0666
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/e-index-of.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var toPosInt = require('../../number/to-pos-integer')
+  , value    = require('../../object/valid-value')
+
+  , indexOf = Array.prototype.indexOf
+  , hasOwnProperty = Object.prototype.hasOwnProperty
+  , abs = Math.abs, floor = Math.floor;
+
+module.exports = function (searchElement/*, fromIndex*/) {
+	var i, l, fromIndex, val;
+	if (searchElement === searchElement) { //jslint: ignore
+		return indexOf.apply(this, arguments);
+	}
+
+	l = toPosInt(value(this).length);
+	fromIndex = arguments[1];
+	if (isNaN(fromIndex)) fromIndex = 0;
+	else if (fromIndex >= 0) fromIndex = floor(fromIndex);
+	else fromIndex = toPosInt(this.length) - floor(abs(fromIndex));
+
+	for (i = fromIndex; i < l; ++i) {
+		if (hasOwnProperty.call(this, i)) {
+			val = this[i];
+			if (val !== val) return i; //jslint: ignore
+		}
+	}
+	return -1;
+};