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-rw-r--r--node.d/node_modules/extend.js87
1 files changed, 87 insertions, 0 deletions
diff --git a/node.d/node_modules/extend.js b/node.d/node_modules/extend.js
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+// https://github.com/justmoon/node-extend
+
+'use strict';
+
+var hasOwn = Object.prototype.hasOwnProperty;
+var toStr = Object.prototype.toString;
+
+var isArray = function isArray(arr) {
+ if (typeof Array.isArray === 'function') {
+ return Array.isArray(arr);
+ }
+
+ return toStr.call(arr) === '[object Array]';
+};
+
+var isPlainObject = function isPlainObject(obj) {
+ if (!obj || toStr.call(obj) !== '[object Object]') {
+ return false;
+ }
+
+ var hasOwnConstructor = hasOwn.call(obj, 'constructor');
+ var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');
+ // Not own constructor property must be Object
+ if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {
+ return false;
+ }
+
+ // Own properties are enumerated firstly, so to speed up,
+ // if last one is own, then all properties are own.
+ var key;
+ for (key in obj) { /**/ }
+
+ return typeof key === 'undefined' || hasOwn.call(obj, key);
+};
+
+module.exports = function extend() {
+ var options, name, src, copy, copyIsArray, clone;
+ var target = arguments[0];
+ var i = 1;
+ var length = arguments.length;
+ var deep = false;
+
+ // Handle a deep copy situation
+ if (typeof target === 'boolean') {
+ deep = target;
+ target = arguments[1] || {};
+ // skip the boolean and the target
+ i = 2;
+ } else if ((typeof target !== 'object' && typeof target !== 'function') || target == null) {
+ target = {};
+ }
+
+ for (; i < length; ++i) {
+ options = arguments[i];
+ // Only deal with non-null/undefined values
+ if (options != null) {
+ // Extend the base object
+ for (name in options) {
+ src = target[name];
+ copy = options[name];
+
+ // Prevent never-ending loop
+ if (target !== copy) {
+ // Recurse if we're merging plain objects or arrays
+ if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
+ if (copyIsArray) {
+ copyIsArray = false;
+ clone = src && isArray(src) ? src : [];
+ } else {
+ clone = src && isPlainObject(src) ? src : {};
+ }
+
+ // Never move original objects, clone them
+ target[name] = extend(deep, clone, copy);
+
+ // Don't bring in undefined values
+ } else if (typeof copy !== 'undefined') {
+ target[name] = copy;
+ }
+ }
+ }
+ }
+ }
+
+ // Return the modified object
+ return target;
+};