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fix diff for root=document and no m("html")

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This commit is contained in:
Leo Horie 2014-09-20 10:33:35 -04:00
parent 6cbe17cd08
commit 7cf7e2cba5
2 changed files with 7 additions and 6 deletions
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1
docs/change-log.md
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@ -17,6 +17,7 @@
- fixed bug in keys algorithm when mixing keyed and unkeyed elements [#246](https://github.com/lhorie/mithril.js/issues/246) - fixed bug in keys algorithm when mixing keyed and unkeyed elements [#246](https://github.com/lhorie/mithril.js/issues/246)
- added promise exception monitor and reverted promise exception handling semantics to v0.1.19 semantics (see [mithril.deferred.md#unchecked-error-handling] - added promise exception monitor and reverted promise exception handling semantics to v0.1.19 semantics (see [mithril.deferred.md#unchecked-error-handling]
- fixed redraw scheduling bug in old version of IE - fixed redraw scheduling bug in old version of IE
- fixed incorrect diff when document is root, and html element is omitted
--- ---

12
mithril.js
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@ -380,12 +380,10 @@ Mithril = m = new function app(window, undefined) {
}, },
appendChild: function(node) { appendChild: function(node) {
if (html === undefined) html = window.document.createElement("html") if (html === undefined) html = window.document.createElement("html")
if (node.nodeName == "HTML") html = node if (window.document.documentElement && window.document.documentElement !== node) {
else html.appendChild(node) window.document.replaceChild(node, window.document.documentElement)
if (window.document.documentElement && window.document.documentElement !== html) {
window.document.replaceChild(html, window.document.documentElement)
} }
else window.document.appendChild(html) else window.document.appendChild(node)
}, },
insertBefore: function(node) { insertBefore: function(node) {
this.appendChild(node) this.appendChild(node)
@ -397,7 +395,9 @@ Mithril = m = new function app(window, undefined) {
var configs = [] var configs = []
if (!root) throw new Error("Please ensure the DOM element exists before rendering a template into it.") if (!root) throw new Error("Please ensure the DOM element exists before rendering a template into it.")
var id = getCellCacheKey(root) var id = getCellCacheKey(root)
var node = root == window.document || root == window.document.documentElement ? documentNode : root var isDocumentRoot = root == window.document
var node = isDocumentRoot || root == window.document.documentElement ? documentNode : root
if (isDocumentRoot && cell.tag != "html") cell = {tag: "html", attrs: {}, children: cell}
if (cellCache[id] === undefined) clear(node.childNodes) if (cellCache[id] === undefined) clear(node.childNodes)
if (forceRecreation === true) reset(root) if (forceRecreation === true) reset(root)
cellCache[id] = build(node, null, undefined, undefined, cell, cellCache[id], false, 0, null, undefined, configs) cellCache[id] = build(node, null, undefined, undefined, cell, cellCache[id], false, 0, null, undefined, configs)