jsdoc for new transition methods

src/transition/index.js

@@ -62,6 +62,14 @@ exports.removeThenAppend = function (el, target, vm, cb) {
   }, vm, cb)
 }
 
+/**
+ * Append the childNodes of a fragment to target.
+ *
+ * @param {DocumentFragment} block
+ * @param {Node} target
+ * @param {Vue} vm
+ */
+
 exports.blockAppend = function (block, target, vm) {
   var nodes = _.toArray(block.childNodes)
   for (var i = 0, l = nodes.length; i < l; i++) {
@@ -69,6 +77,14 @@ exports.blockAppend = function (block, target, vm) {
   }
 }
 
+/**
+ * Remove a block of nodes between two edge nodes.
+ *
+ * @param {Node} start
+ * @param {Node} end
+ * @param {Vue} vm
+ */
+
 exports.blockRemove = function (start, end, vm) {
   var node = start.nextSibling
   var next