Bump to v3.0.0.

internal/baseAssign.js

@@ -0,0 +1,35 @@
+define(['./baseCopy', '../object/keys'], function(baseCopy, keys) {
+
+  /**
+   * The base implementation of `_.assign` without support for argument juggling,
+   * multiple sources, and `this` binding `customizer` functions.
+   *
+   * @private
+   * @param {Object} object The destination object.
+   * @param {Object} source The source object.
+   * @param {Function} [customizer] The function to customize assigning values.
+   * @returns {Object} Returns the destination object.
+   */
+  function baseAssign(object, source, customizer) {
+    var props = keys(source);
+    if (!customizer) {
+      return baseCopy(source, object, props);
+    }
+    var index = -1,
+        length = props.length
+
+    while (++index < length) {
+      var key = props[index],
+          value = object[key],
+          result = customizer(value, source[key], key, object, source);
+
+      if ((result === result ? result !== value : value === value) ||
+          (typeof value == 'undefined' && !(key in object))) {
+        object[key] = result;
+      }
+    }
+    return object;
+  }
+
+  return baseAssign;
+});