node_modules

4 files changed, 48 insertions, 0 deletions

diff --git a/node_modules/es5-ext/string/#/code-point-at/implement.js b/node_modules/es5-ext/string/#/code-point-at/implement.js
new file mode 100644
index 000000000..f1dc80a04
--- /dev/null
+++ b/node_modules/es5-ext/string/#/code-point-at/implement.js
@@ -0,0 +1,9 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(String.prototype, "codePointAt",
+		{ value: require("./shim"),
+configurable: true,
+enumerable: false,
+			writable: true });
+}
diff --git a/node_modules/es5-ext/string/#/code-point-at/index.js b/node_modules/es5-ext/string/#/code-point-at/index.js
new file mode 100644
index 000000000..33d45c9f2
--- /dev/null
+++ b/node_modules/es5-ext/string/#/code-point-at/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+	? String.prototype.codePointAt
+	: require("./shim");
diff --git a/node_modules/es5-ext/string/#/code-point-at/is-implemented.js b/node_modules/es5-ext/string/#/code-point-at/is-implemented.js
new file mode 100644
index 000000000..7da785f2c
--- /dev/null
+++ b/node_modules/es5-ext/string/#/code-point-at/is-implemented.js
@@ -0,0 +1,8 @@
+"use strict";
+
+var str = "abc\uD834\uDF06def";
+
+module.exports = function () {
+	if (typeof str.codePointAt !== "function") return false;
+	return str.codePointAt(3) === 0x1D306;
+};
diff --git a/node_modules/es5-ext/string/#/code-point-at/shim.js b/node_modules/es5-ext/string/#/code-point-at/shim.js
new file mode 100644
index 000000000..0f331c3f1
--- /dev/null
+++ b/node_modules/es5-ext/string/#/code-point-at/shim.js
@@ -0,0 +1,26 @@
+// Based on: https://github.com/mathiasbynens/String.prototype.codePointAt
+// Thanks @mathiasbynens !
+
+"use strict";
+
+var toInteger  = require("../../../number/to-integer")
+  , validValue = require("../../../object/valid-value");
+
+module.exports = function (pos) {
+	var str = String(validValue(this)), length = str.length, first, second;
+	pos = toInteger(pos);
+
+	// Account for out-of-bounds indices:
+	if (pos < 0 || pos >= length) return undefined;
+
+	// Get the first code unit
+	first = str.charCodeAt(pos);
+	if (first >= 0xd800 && first <= 0xdbff && length > pos + 1) {
+		second = str.charCodeAt(pos + 1);
+		if (second >= 0xdc00 && second <= 0xdfff) {
+			// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+			return (first - 0xd800) * 0x400 + second - 0xdc00 + 0x10000;
+		}
+	}
+	return first;
+};