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fix diff bug when array is sparse, item type and position and array length change

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This commit is contained in:
Leo Horie 2016-11-23 22:28:08 -05:00
parent 0c94bae845
commit 8eb61a12ab
4 changed files with 73 additions and 45 deletions
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12
render/render.js
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@ -141,7 +141,9 @@ module.exports = function($window) {
while (oldEnd >= oldStart && end >= start) {
var o = old[oldStart], v = vnodes[start]
if (o === v && !recycling) oldStart++, start++
else if (o != null && v != null && o.key === v.key) {
else if (o == null) oldStart++
else if (v == null) start++
else if (o.key === v.key) {
oldStart++, start++
updateNode(parent, o, v, hooks, getNextSibling(old, oldStart, nextSibling), recycling, ns)
if (recycling && o.tag === v.tag) insertNode(parent, toFragment(o), nextSibling)
@ -149,7 +151,9 @@ module.exports = function($window) {
else {
var o = old[oldEnd]
if (o === v && !recycling) oldEnd--, start++
else if (o != null && v != null && o.key === v.key) {
else if (o == null) oldEnd--
else if (v == null) start++
else if (o.key === v.key) {
updateNode(parent, o, v, hooks, getNextSibling(old, oldEnd + 1, nextSibling), recycling, ns)
if (recycling || start < end) insertNode(parent, toFragment(o), getNextSibling(old, oldStart, nextSibling))
oldEnd--, start++
@ -160,7 +164,9 @@ module.exports = function($window) {
while (oldEnd >= oldStart && end >= start) {
var o = old[oldEnd], v = vnodes[end]
if (o === v && !recycling) oldEnd--, end--
else if (o != null && v != null && o.key === v.key) {
else if (o == null) oldEnd--
else if (v == null) end--
else if (o.key === v.key) {
updateNode(parent, o, v, hooks, getNextSibling(old, oldEnd + 1, nextSibling), recycling, ns)
if (recycling && o.tag === v.tag) insertNode(parent, toFragment(o), nextSibling)
if (o.dom != null) nextSibling = o.dom