Init

Nodejs/node_modules/es5-ext/string/#/contains/implement.js

@@ -0,0 +1,10 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(String.prototype, "contains", {
+		value: require("./shim"),
+		configurable: true,
+		enumerable: false,
+		writable: true
+	});
+}

Nodejs/node_modules/es5-ext/string/#/contains/index.js

@@ -0,0 +1,3 @@
+"use strict";
+
+module.exports = require("./is-implemented")() ? String.prototype.contains : require("./shim");

Nodejs/node_modules/es5-ext/string/#/contains/is-implemented.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var str = "razdwatrzy";
+
+module.exports = function () {
+	if (typeof str.contains !== "function") return false;
+	return str.contains("dwa") === true && str.contains("foo") === false;
+};

Nodejs/node_modules/es5-ext/string/#/contains/shim.js

@@ -0,0 +1,7 @@
+"use strict";
+
+var indexOf = String.prototype.indexOf;
+
+module.exports = function (searchString/*, position*/) {
+	return indexOf.call(this, searchString, arguments[1]) > -1;
+};