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fixes overly aggressive text node reuse DOM diff'ing bug

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This commit is contained in:
Andreas Rumpf 2018-03-07 11:52:25 +01:00
commit 87edc4cdb9
2 changed files with 5 additions and 4 deletions
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5
karax/karax.nim
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@ -233,7 +233,7 @@ proc eq(a, b: VNode): EqResult =
if a.kind == VNodeKind.text:
if a.text != b.text:
when defined(profileKarax): inc reasons[deText]
return similar
return different # similar
elif a.kind == VNodeKind.vthunk or a.kind == VNodeKind.dthunk:
if a.text != b.text: return different
if a.len != b.len: return different
@ -648,7 +648,8 @@ proc setRenderer*(renderer: proc (): VNode, root: cstring = "ROOT",
clientPostRenderCallback: proc () = nil): KaraxInstance {.discardable.} =
## Setup Karax. Usually the return value can be ignored.
proc wrapRenderer(data: RouterData): VNode = result = renderer()
proc wrapPostRender(data: RouterData) = clientPostRenderCallback()
proc wrapPostRender(data: RouterData) =
if clientPostRenderCallback != nil: clientPostRenderCallback()
setRenderer(wrapRenderer, root, wrapPostRender)
proc setInitializer*(renderer: proc (data: RouterData): VNode, root: cstring = "ROOT",

4
tests/difftest.nim
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@ -156,14 +156,14 @@ proc testWild() =
let a = createEntries(entries)
entries = @[cstring("0"), cstring("1"), cstring("2"), cstring("3"), cstring("4"), cstring("5")]
let b = createEntries(entries)
doDiff(a, b, "pkDetach button 7", "pkRemove nil", "pkDetach div 5", "pkRemove nil")
doDiff(a, b, "pkDetach button 7", "pkRemove nil", "pkDetach div 7", "pkRemove nil")
proc testWildInsert() =
var entries = @[cstring("0"), cstring("1"), cstring("2"), cstring("3"), cstring("4"), cstring("5")]
let a = createEntries(entries)
entries = @[cstring("0"), cstring("1"), cstring("2"), cstring("3"), cstring("4"), cstring"7", cstring("5")]
let b = createEntries(entries)
doDiff(a, b, "pkInsertBefore button 7", "pkAppend div 5")
doDiff(a, b, "pkInsertBefore button 7", "pkInsertBefore div 7")
kxi = KaraxInstance(rootId: cstring"ROOT", renderer: proc (data: RouterData): VNode = discard,
byId: newJDict[cstring, VNode]())