Initial commit

vendor/bower-asset/inputmask/lib/dependencyLibs/extend.js

@@ -0,0 +1,58 @@
+export default function extend() {
+	let options, name, src, copy, copyIsArray, clone,
+		target = arguments[0] || {},
+		i = 1,
+		length = arguments.length,
+		deep = false;
+
+	// Handle a deep copy situation
+	if (typeof target === "boolean") {
+		deep = target;
+
+		// Skip the boolean and the target
+		target = arguments[i] || {};
+		i++;
+	}
+
+	// Handle case when target is a string or something (possible in deep copy)
+	if (typeof target !== "object" && typeof target !== "function") {
+		target = {};
+	}
+
+	for (; i < length; i++) {
+		// Only deal with non-null/undefined values
+		if ((options = arguments[i]) != null) {
+			// Extend the base object
+			for (name in options) {
+				src = target[name];
+				copy = options[name];
+
+				// Prevent never-ending loop
+				if (target === copy) {
+					continue;
+				}
+
+				// Recurse if we're merging plain objects or arrays
+				if (deep && copy && (Object.prototype.toString.call(copy) === "[object Object]" || (copyIsArray = Array.isArray(copy)))) {
+					if (copyIsArray) {
+						copyIsArray = false;
+						clone = src && Array.isArray(src) ? src : [];
+
+					} else {
+						clone = src && Object.prototype.toString.call(src) === "[object Object]" ? src : {};
+					}
+
+					// Never move original objects, clone them
+					target[name] = extend(deep, clone, copy);
+
+					// Don't bring in undefined values
+				} else if (copy !== undefined) {
+					target[name] = copy;
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+}