vndb/mithril-vndb
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fix diff on nested arrays

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This commit is contained in:
Leo Horie 2014-06-03 22:42:14 -04:00
parent ec69af4660
commit 4d04ce034d
3 changed files with 71 additions and 7 deletions
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18
mithril.js
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@ -32,13 +32,19 @@ Mithril = m = new function app(window) {
}
return cell
}
function build(parentElement, parentTag, data, cached, shouldReattach, index, editable, namespace) {
function build(parentElement, parentTag, parentCache, parentIndex, data, cached, shouldReattach, index, editable, namespace) {
if (data === null || data === undefined) data = ""
if (data.subtree === "retain") return
var cachedType = type.call(cached), dataType = type.call(data)
if (cachedType != dataType) {
if (cached !== null && cached !== undefined) clear(cached.nodes)
if (cached !== null && cached !== undefined) {
if (parentCache && parentCache.nodes) {
var offset = index - parentIndex
clear(parentCache.nodes.slice(offset, offset + (dataType == "[object Array]" ? data : cached.nodes).length))
}
else clear(cached.nodes)
}
cached = new data.constructor
cached.nodes = []
}
@ -46,7 +52,7 @@ Mithril = m = new function app(window) {
if (dataType == "[object Array]") {
var nodes = [], intact = cached.length === data.length, subArrayCount = 0
for (var i = 0, cacheCount = 0; i < data.length; i++) {
var item = build(parentElement, null, data[i], cached[cacheCount], shouldReattach, index + subArrayCount || subArrayCount, editable, namespace)
var item = build(parentElement, null, cached, index, data[i], cached[cacheCount], shouldReattach, index + subArrayCount || subArrayCount, editable, namespace)
if (item === undefined) continue
if (!item.nodes.intact) intact = false
subArrayCount += item instanceof Array ? item.length : 1
@ -78,7 +84,7 @@ Mithril = m = new function app(window) {
cached = {
tag: data.tag,
attrs: setAttributes(node, data.tag, data.attrs, {}, namespace),
children: data.children !== undefined ? build(node, data.tag, data.children, cached.children, true, 0, data.attrs.contenteditable ? node : editable, namespace) : undefined,
children: data.children !== undefined ? build(node, data.tag, undefined, undefined, data.children, cached.children, true, 0, data.attrs.contenteditable ? node : editable, namespace) : undefined,
nodes: [node]
}
parentElement.insertBefore(node, parentElement.childNodes[index] || null)
@ -86,7 +92,7 @@ Mithril = m = new function app(window) {
else {
node = cached.nodes[0]
setAttributes(node, data.tag, data.attrs, cached.attrs, namespace)
cached.children = build(node, data.tag, data.children, cached.children, false, 0, data.attrs.contenteditable ? node : editable, namespace)
cached.children = build(node, data.tag, undefined, undefined, data.children, cached.children, false, 0, data.attrs.contenteditable ? node : editable, namespace)
cached.nodes.intact = true
if (shouldReattach === true) parentElement.insertBefore(node, parentElement.childNodes[index] || null)
}
@ -217,7 +223,7 @@ Mithril = m = new function app(window) {
var index = nodeCache.indexOf(root)
var id = index < 0 ? nodeCache.push(root) - 1 : index
var node = root == window.document || root == window.document.documentElement ? documentNode : root
cellCache[id] = build(node, null, cell, cellCache[id], false, 0, null, undefined)
cellCache[id] = build(node, null, undefined, undefined, cell, cellCache[id], false, 0, null, undefined)
}
m.trust = function(value) {