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fix key ordering in interpolation case

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This commit is contained in:
Leo Horie 2014-07-11 23:09:25 -04:00
parent 1e829f1657
commit c8ce0d8dee
2 changed files with 9 additions and 2 deletions
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4
mithril.js
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@ -80,7 +80,7 @@ Mithril = m = new function app(window) {
}
}
var actions = Object.keys(existing).map(function(key) {return existing[key]})
var changes = actions.sort(function(a, b) {return a.action - b.action || b.index - a.index})
var changes = actions.sort(function(a, b) {return a.action - b.action || a.index - b.index})
var newCached = cached.slice()
for (var i = 0, change; change = changes[i]; i++) {
@ -90,7 +90,7 @@ Mithril = m = new function app(window) {
}
if (change.action == INSERTION) {
var dummy = window.document.createElement("div")
dummy.key = data[change.index].attrs.key.toString()
dummy.key = data[change.index].attrs.key
parentElement.insertBefore(dummy, parentElement.childNodes[change.index])
newCached.splice(change.index, 0, {attrs: {key: data[change.index].attrs.key}, nodes: [dummy]})
}

7
tests/mithril-tests.js
View file

@ -678,6 +678,13 @@ function testMithril(mock) {
]))
return root.childNodes[0].childNodes[8].nodeName == "SPAN"
})
test(function() {
//https://github.com/lhorie/mithril.js/issues/157
var root = mock.document.createElement("div")
m.render(root, m("ul", [m("li", {key: 0}), m("li", {key: 2}), m("li", {key: 4})]))
m.render(root, m("ul", [m("li", {key: 0}), m("li", {key: 1}), m("li", {key: 2}), m("li", {key: 3}), m("li", {key: 4}), m("li", {key: 5})]))
return root.childNodes[0].childNodes.map(function(n) {return n.key}).join("") == "012345"
})
//end m.render
//m.redraw