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FIDEFE-4643 - Use value object in design-tokens.json #5

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TGiles
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@TGiles TGiles commented Jan 23, 2024

I propose we use the following for themed tokens:

{
 "foo": {
    "value": {
      "light": "white",
      "dark": "black"
    }
  }
}

and the following for non-themed tokens:

{
  "foo": {
    "value": "white"
  }
}

TGiles pushed a commit that referenced this pull request Jan 25, 2024
…ect> / <embed> as subdocuments. r=longsonr

These look like two really old bugs.

Part of the issue is that <object> / <embed> manage their frame loader quite
differently from <iframe>. This means that we may have a PresShell /
ViewManager / etc for a frame loader that doesn't yet have a frame associated.

For example, this is the viewport creation for the SVG document that reproduces
the problem:

	#0  0x00005cc60e8302e7 in mozilla::ViewportFrame::SetViewInternal(nsView*) (this=0x68599020, aView=0x683d8f00) at /home/emilio/src/moz/gecko/obj-debug/dist/include/mozilla/ViewportFrame.h:106
	#1  0x00005cc60e842858 in nsIFrame::SetView(nsView*) (this=0x68599020, aView=0x683d8f00) at /home/emilio/src/moz/gecko/layout/generic/nsFrame.cpp:7057
	#2  0x00005cc60e77258a in nsCSSFrameConstructor::ConstructRootFrame() (this=0xc72c715e00) at /home/emilio/src/moz/gecko/layout/base/nsCSSFrameConstructor.cpp:2424
	#3  0x00005cc60e7342f5 in mozilla::PresShell::Initialize() (this=0x6830e000) at /home/emilio/src/moz/gecko/layout/base/PresShell.cpp:1758
	#4  0x00005cc60c9fb02a in nsContentSink::StartLayout(bool) (this=<optimized out>, aIgnorePendingSheets=<optimized out>) at /home/emilio/src/moz/gecko/dom/base/nsContentSink.cpp:1160
	#5  0x00005cc60e2c1581 in nsXMLContentSink::HandleStartElement(char16_t const*, char16_t const**, unsigned int, unsigned int, unsigned int, bool)
	    (this=<optimized out>, aName=<optimized out>, aAtts=0x6fde8200, aAttsCount=<optimized out>, aLineNumber=3, aColumnNumber=<optimized out>, aInterruptable=true) at /home/emilio/src/moz/gecko/dom/xml/nsXMLContentSink.cpp:982
	#6  0x00005cc60e2c17d7 in non-virtual thunk to nsXMLContentSink::HandleStartElement(char16_t const*, char16_t const**, unsigned int, unsigned int, unsigned int) () at /home/emilio/src/moz/gecko/dom/xml/nsXMLContentSink.cpp:889
	#7  0x00005cc60c360307 in nsExpatDriver::HandleStartElement(void*, char16_t const*, char16_t const**) (aUserData=0x224f650d0cc0, aName=0x685aef20 u"http://www.w3.org/2000/svg\xffffdesc", aAtts=0x6fde8200)
	    at /home/emilio/src/moz/gecko/parser/htmlparser/nsExpatDriver.cpp:293
	#8  0x00005cc60ee91cea in doContent (parser=0xc72c70f800, startTagLevel=0, enc=<optimized out>, s=<optimized out>, end=0x5bbd31af5020 "\344\344\344", <incomplete sequence \344>, nextPtr=0x7ffca2653288, haveMore=1 '\001')
	    at /home/emilio/src/moz/gecko/parser/expat/lib/xmlparse.c:2872
	#9  0x00005cc60ee90059 in contentProcessor (parser=0xc72c70f800, start=0xffffffe6 <error: Cannot access memory at address 0xffffffe6>, end=0xc72c511360 "", endPtr=0x1) at /home/emilio/src/moz/gecko/parser/expat/lib/xmlparse.c:2528
	#10 0x00005cc60ee8f8d5 in doProlog
	    (parser=<optimized out>, enc=0x5cc612ce0930 <little2_encoding_ns>, s=0x5bbd31ab508e "<", end=0x5bbd31af5020 "\344\344\344", <incomplete sequence \344>, tok=<optimized out>, next=<optimized out>, nextPtr=0x7ffca2653288, haveMore=1 '\001', allowClosingDoctype=1 '\001') at /home/emilio/src/moz/gecko/parser/expat/lib/xmlparse.c:4591
	#11 0x00005cc60ee8d86e in prologProcessor (parser=0xc72c70f800, s=0x5bbd31ab5020 "<", end=0x5bbd31af5020 "\344\344\344", <incomplete sequence \344>, nextPtr=0x7ffca2653288) at /home/emilio/src/moz/gecko/parser/expat/lib/xmlparse.c:4311
	#12 0x00005cc60ee8cf45 in MOZ_XML_Parse (parser=0xc72c70f800, s=0x5bbd31ab5020 "<", len=262144, isFinal=0) at /home/emilio/src/moz/gecko/parser/expat/lib/xmlparse.c:1894
	#13 0x00005cc60c3627bc in nsExpatDriver::ParseBuffer(char16_t const*, unsigned int, bool, unsigned int*)
	    (this=0x224f650d0cc0, aBuffer=0x5bbd31ab5020 u"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<svg height=\"2970\" width=\"2100\" viewBox=\"0 0 2100 2970\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlin"..., aLength=131072, aIsFinal=false, aConsumed=<optimized out>) at /home/emilio/src/moz/gecko/parser/htmlparser/nsExpatDriver.cpp:875
	#14 0x00005cc60c362c91 in nsExpatDriver::ConsumeToken(nsScanner&, bool&) (this=<optimized out>, aScanner=..., aFlushTokens=<optimized out>) at /home/emilio/src/moz/gecko/parser/htmlparser/nsExpatDriver.cpp:970
	#15 0x00005cc60c3666a8 in nsParser::Tokenize(bool) (this=0x224f65038e80, aIsFinalChunk=false) at /home/emilio/src/moz/gecko/parser/htmlparser/nsParser.cpp:1410
	mozilla#16 0x00005cc60c36595e in nsParser::ResumeParse(bool, bool, bool) (this=0x224f65038e80, allowIteration=true, aIsFinalChunk=false, aCanInterrupt=<optimized out>) at /home/emilio/src/moz/gecko/parser/htmlparser/nsParser.cpp:961
	mozilla#17 0x00005cc60c366c86 in nsParser::OnDataAvailable(nsIRequest*, nsIInputStream*, unsigned long, unsigned int) (this=0x224f65038e80, request=<optimized out>, pIStream=0x6fdfc430, sourceOffset=<optimized out>, aLength=131072)
	    at /home/emilio/src/moz/gecko/parser/htmlparser/nsParser.cpp:1317
	mozilla#18 0x00005cc60c897cc2 in nsObjectLoadingContent::OnDataAvailable(nsIRequest*, nsIInputStream*, unsigned long, unsigned int) (this=<optimized out>, aRequest=0x68483080, aInputStream=0x6fdfc430, aOffset=0, aCount=131072)
	    at /home/emilio/src/moz/gecko/dom/base/nsObjectLoadingContent.cpp:1055
	mozilla#19 0x00005cc60b9d18f8 in mozilla::net::HttpChannelChild::DoOnDataAvailable(nsIRequest*, nsISupports*, nsIInputStream*, unsigned long, unsigned int)
	    (this=0x68483000, aRequest=0x68483080, aContext=<optimized out>, aStream=0x6fdfc430, aOffset=0, aCount=743510880) at /home/emilio/src/moz/gecko/netwerk/protocol/http/HttpChannelChild.cpp:968
	mozilla#20 0x00005cc60b9d5cbf in mozilla::net::HttpChannelChild::OnTransportAndData(nsresult const&, nsresult const&, unsigned long const&, unsigned int const&, nsTString<char> const&)
	    (this=0x68483000, aChannelStatus=<optimized out>, aTransportStatus=@0x683be5bc: -2142568440, aOffset=<optimized out>, aCount=<optimized out>, aData=...) at /home/emilio/src/moz/gecko/netwerk/protocol/http/HttpChannelChild.cpp:867
	mozilla#21 0x00005cc60badb535 in mozilla::net::ChannelEventQueue::FlushQueue() (this=0xc72ce2cae0) at /home/emilio/src/moz/gecko/netwerk/ipc/ChannelEventQueue.cpp:90
	mozilla#22 0x00005cc60b976fda in mozilla::net::ChannelEventQueue::MaybeFlushQueue() (this=0xc72ce2cae0) at /home/emilio/src/moz/gecko/obj-debug/dist/include/mozilla/net/ChannelEventQueue.h:350
	mozilla#23 0x00005cc60baec442 in mozilla::net::ChannelEventQueue::CompleteResume() (this=0xc72ce2cae0) at /home/emilio/src/moz/gecko/obj-debug/dist/include/mozilla/net/ChannelEventQueue.h:329
	mozilla#24 mozilla::net::ChannelEventQueue::ResumeInternal()::CompleteResumeRunnable::Run() (this=<optimized out>) at /home/emilio/src/moz/gecko/netwerk/ipc/ChannelEventQueue.cpp:148
	mozilla#25 0x00005cc60b53d4f1 in mozilla::SchedulerGroup::Runnable::Run() (this=0x685b0200) at /home/emilio/src/moz/gecko/xpcom/threads/SchedulerGroup.cpp:282
	mozilla#26 0x00005cc60b54ff80 in nsThread::ProcessNextEvent(bool, bool*) (this=0x3dd7f4f3020, aMayWait=<optimized out>, aResult=0x7ffca2653ea7) at /home/emilio/src/moz/gecko/xpcom/threads/nsThread.cpp:1220
	mozilla#27 0x00005cc60b552f0d in NS_ProcessNextEvent(nsIThread*, bool) (aThread=0x68599020, aMayWait=true) at /home/emilio/src/moz/gecko/xpcom/threads/nsThreadUtils.cpp:481

The parent view may not be set properly if the frame is not current by the time
it is created. For example in this case the parent for the root view is
non-null and comes from the following MakeWindow call:

	#0  nsDocumentViewer::MakeWindow(nsSize const&, nsView*) (this=0xc72ca72cd0, aSize=..., aContainerView=0x683ba500) at /home/emilio/src/moz/gecko/layout/base/nsDocumentViewer.cpp:2368
	#1  0x00005cc60e789b50 in nsDocumentViewer::InitInternal(nsIWidget*, nsISupports*, mozilla::dom::WindowGlobalChild*, mozilla::gfx::IntRectTyped<mozilla::gfx::UnknownUnits> const&, bool, bool, bool)
	    (this=0xc72ca72cd0, aParentWidget=<optimized out>, aState=0x0, aActor=0x0, aBounds=..., aDoCreation=true, aNeedMakeCX=<optimized out>, aForceSetNewDocument=<optimized out>)
	    at /home/emilio/src/moz/gecko/layout/base/nsDocumentViewer.cpp:933
	#2  0x00005cc60e789959 in nsDocumentViewer::Init(nsIWidget*, mozilla::gfx::IntRectTyped<mozilla::gfx::UnknownUnits> const&, mozilla::dom::WindowGlobalChild*)
	    (this=0xc72ca72cd0, aParentWidget=0x7ffca2651020, aBounds=..., aActor=0x7f6216725c00) at /home/emilio/src/moz/gecko/layout/base/nsDocumentViewer.cpp:762
	#3  0x00005cc60f4f584f in nsDocShell::SetupNewViewer(nsIContentViewer*, mozilla::dom::WindowGlobalChild*) (this=0x684db000, aNewViewer=<optimized out>, aWindowActor=<optimized out>)
	    at /home/emilio/src/moz/gecko/docshell/base/nsDocShell.cpp:8017
	#4  0x00005cc60f4f5204 in nsDocShell::Embed(nsIContentViewer*, mozilla::dom::WindowGlobalChild*) (this=0x684db000, aContentViewer=0x7ffca2651020, aWindowActor=0x683ba500) at /home/emilio/src/moz/gecko/docshell/base/nsDocShell.cpp:5745
	#5  0x00005cc60f4dbc7b in nsDocShell::CreateContentViewer(nsTSubstring<char> const&, nsIRequest*, nsIStreamListener**) (this=0x684db000, aContentType=..., aRequest=0x68483080, aContentHandler=<optimized out>)
	    at /home/emilio/src/moz/gecko/docshell/base/nsDocShell.cpp:7819
	#6  0x00005cc60f4dab99 in nsDSURIContentListener::DoContent(nsTSubstring<char> const&, bool, nsIRequest*, nsIStreamListener**, bool*)
	    (this=0x683056a0, aContentType=..., aIsContentPreferred=<optimized out>, aRequest=0x68483080, aContentHandler=0xc72c5e8608, aAbortProcess=0x7ffca265139f) at /home/emilio/src/moz/gecko/docshell/base/nsDSURIContentListener.cpp:181
	#7  0x00005cc60c2fd8f5 in nsDocumentOpenInfo::TryContentListener(nsIURIContentListener*, nsIChannel*) (this=0xc72c5e85e0, aListener=0x683056a0, aChannel=<optimized out>) at /home/emilio/src/moz/gecko/uriloader/base/nsURILoader.cpp:632
	#8  0x00005cc60c2fccd1 in nsDocumentOpenInfo::DispatchContent(nsIRequest*, nsISupports*) (this=0xc72c5e85e0, request=0x68483080, aCtxt=<optimized out>) at /home/emilio/src/moz/gecko/uriloader/base/nsURILoader.cpp:313
	#9  0x00005cc60c2fc5aa in nsDocumentOpenInfo::OnStartRequest(nsIRequest*) (this=<optimized out>, request=0x68483080) at /home/emilio/src/moz/gecko/uriloader/base/nsURILoader.cpp:191
	#10 0x00005cc60c8975c4 in nsObjectLoadingContent::LoadObject(bool, bool, nsIRequest*) (this=0x4b1b3938b6a8, aNotify=<optimized out>, aForceLoad=<optimized out>, aLoadingChannel=0x68483080)
	    at /home/emilio/src/moz/gecko/dom/base/nsObjectLoadingContent.cpp:2218
	#11 0x00005cc60c89681f in nsObjectLoadingContent::OnStartRequest(nsIRequest*) (this=0x4b1b3938b6a8, aRequest=0x68483080) at /home/emilio/src/moz/gecko/dom/base/nsObjectLoadingContent.cpp:1006
	#12 0x00005cc60b9d1020 in mozilla::net::HttpChannelChild::DoOnStartRequest(nsIRequest*, nsISupports*) (this=0x68483000, aRequest=0x68483080, aContext=<optimized out>)
	    at /home/emilio/src/moz/gecko/netwerk/protocol/http/HttpChannelChild.cpp:708
	#13 0x00005cc60b9d481b in mozilla::net::HttpChannelChild::OnStartRequest(nsresult const&, mozilla::net::nsHttpResponseHead const&, bool const&, mozilla::net::nsHttpHeaderArray const&, mozilla::net::ParentLoadInfoForwarderArgs const&, bool const&, bool const&, bool const&, unsigned long const&, int const&, unsigned int const&, nsTString<char> const&, nsTString<char> const&, mozilla::net::NetAddr const&, mozilla::net::NetAddr const&, unsigned int const&, nsTString<char> const&, long const&, bool const&, bool const&, bool const&, mozilla::net::ResourceTimingStructArgs const&, bool const&, mozilla::Maybe<unsigned int> const&, bool const&, nsILoadInfo::CrossOriginOpenerPolicy const&)

However, even though aContainerView is non-null, the view is incorrect, it's
the view for the _old_ frame.

The view parent/child relationship gets cleared properly in:

	#1  0x00005cc60e8e82bf in BeginSwapDocShellsForViews (aSibling=0x0) at /home/emilio/src/moz/gecko/layout/generic/nsSubDocumentFrame.cpp:1027
	warning: Source file is more recent than executable.
	#2  0x00005cc60e8e810b in nsSubDocumentFrame::DestroyFrom (this=0x6cd04eaa45a8, aDestructRoot=0x6cd04eaa45a8, aPostDestroyData=...) at /home/emilio/src/moz/gecko/layout/generic/nsSubDocumentFrame.cpp:943
	#3  0x00005cc60e7b71a3 in nsIFrame::Destroy (this=0x6cd04eaa45a8) at /home/emilio/src/moz/gecko/layout/generic/nsIFrame.h:657
	#4  0x00005cc60e80baac in nsBlockFrame::RemoveFrame (this=0x4b1b39362d88, aListID=<optimized out>, aOldFrame=0x6cd04eaa45a8) at /home/emilio/src/moz/gecko/layout/generic/nsBlockFrame.cpp:5597
	#5  0x00005cc60e8df29f in nsPlaceholderFrame::DestroyFrom (this=0x4b1b39363240, aDestructRoot=0x4b1b39363240, aPostDestroyData=...) at /home/emilio/src/moz/gecko/layout/generic/nsPlaceholderFrame.cpp:181
	#6  0x00005cc60e80cf19 in nsBlockFrame::DoRemoveFrameInternal (this=<optimized out>, aDeletedFrame=0x0, aFlags=<optimized out>, aPostDestroyData=...) at /home/emilio/src/moz/gecko/layout/generic/nsBlockFrame.cpp:6265
	#7  0x00005cc60e82d947 in nsBlockFrame::DoRemoveFrame (this=0x4b1b39362d88, aDeletedFrame=0x683d8f00, aFlags=244338087) at /home/emilio/src/moz/gecko/layout/generic/nsBlockFrame.h:528
	#8  0x00005cc60e80ba3a in nsBlockFrame::RemoveFrame (this=0x4b1b39362d88, aListID=<optimized out>, aOldFrame=0x4b1b39363240) at /home/emilio/src/moz/gecko/layout/generic/nsBlockFrame.cpp:5581
	#9  0x00005cc60e77fd5c in nsCSSFrameConstructor::ContentRemoved (this=<optimized out>, aChild=0x4b1b3938b600, aOldNextSibling=<optimized out>, aFlags=<optimized out>)
	    at /home/emilio/src/moz/gecko/layout/base/nsCSSFrameConstructor.cpp:7583
	#10 0x00005cc60e779a35 in nsCSSFrameConstructor::RecreateFramesForContent (this=0x6fdf9800, aContent=0x4b1b3938b600, aInsertionKind=nsCSSFrameConstructor::InsertionKind::Sync)
	    at /home/emilio/src/moz/gecko/layout/base/nsCSSFrameConstructor.cpp:8593
	#11 0x00005cc60e751745 in mozilla::RestyleManager::ProcessRestyledFrames (this=<optimized out>, aChangeList=...) at /home/emilio/src/moz/gecko/layout/base/RestyleManager.cpp:1484

But the temporary state is stored in the _old_ frame-loader, so when we create
the new frame, we get to nsSubDocumentFrame::Init, and find nothing, and thus
go through nsFrameLoader::Show. But we do have a pres-shell, and
nsFrameLoader::Show just early-returns then, and thus we end up with a detached
pres shell which is not hooked to the view tree and thus not painted...

So there are multiple potential fixes. First (this is the approach this patch
takes):

 * Make nsHideViewer not fail to hide a presentation when the frame loader
   has changed. This is not an issue per se, but leaves stale views / etc
   living for too long which is not nice.

 * Fix up the Show() code path to handle this case properly by parenting the
   pres-shell and initializing the docshell properly.

Second potential fix would be to store the temporary state somewhere else than
the frame loader (like the element). This may be a less invasive change
somehow, but it looks pretty fishy to me, and not particularly better...

Terribly sorry about the lack of test-case, but this is racy as crazy and I had
a lot of trouble to even reproduce it in a debug build. This needs the
PresShell creation for the subdocument to happen right after setting .data on
the <object>, but before processing its reframe.

Differential Revision: https://phabricator.services.mozilla.com/D69487
@TGiles TGiles force-pushed the 1850611-use-value-object-in-tokens branch from 455fc59 to 7d595ae Compare January 25, 2024 16:56
@TGiles TGiles marked this pull request as ready for review January 25, 2024 16:57
By using the composite design token value structure, we gain flexibility
in handling themed and non-themed tokens as well as other cases that
we are not aware of. For example, this composite value structure can be
used to handle prefers-contrast theming, forced-colors (HCM) theming,
etc.

We also add the ability to use "default" as the default value of tokens.
This handles the case where a token has the same value in light and dark
mode but has a different value in perfers-contrast or forced-colors
mode. Currently "default" is the highest priority property of the value
object. If you have "light", "dark" and "default" for a token's
value, then the "default" property will be in the generated token and
not the "light" or "dark" property values.
@TGiles TGiles force-pushed the 1850611-use-value-object-in-tokens branch from 7d595ae to b4ac552 Compare January 25, 2024 19:05
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Latest version worked for me, looks great!

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:shipit:

@TGiles TGiles merged commit 48d8fe6 into FirefoxUX:json-design-tokens Jan 25, 2024
@TGiles TGiles deleted the 1850611-use-value-object-in-tokens branch January 25, 2024 21:20
TGiles added a commit that referenced this pull request Feb 15, 2024
* FIDEFE-4643 - Use value object in design-tokens.json

By using the composite design token value structure, we gain flexibility
in handling themed and non-themed tokens as well as other cases that
we are not aware of. For example, this composite value structure can be
used to handle prefers-contrast theming, forced-colors (HCM) theming,
etc.

We also add the ability to use "default" as the default value of tokens.
This handles the case where a token has the same value in light and dark
mode but has a different value in perfers-contrast or forced-colors
mode. Currently "default" is the highest priority property of the value
object. If you have "light", "dark" and "default" for a token's
value, then the "default" property will be in the generated token and
not the "light" or "dark" property values.

* fix broken matcher function in lightDarkTransform
TGiles pushed a commit that referenced this pull request Feb 26, 2024
Upstream commit: https://webrtc.googlesource.com/src/+/79ba9b0b2b28e49ecc32992ff9163917299beedc
    [M121] Disable the use of CGDisplayStreamCreate() for desktop capture on Sonoma

    CGDisplayStreamCreate is an deprecated API. It was believed that the use
    of it was disabled on Sonoma through the setting allow_iosurface = false
    [1], which causes the thumbnails to be created by the API CGDisplayCreateImage.
    This API is not marked as deprecated at the moment.

    However, although the thumbnails are created through CGDisplayCreateImage,
    CGDisplayStreamCreate() is still called and runs in the background.
    This makes the capture chip appear.

    No capture chip appears if this CL is landed and the ScreenCaptureKit
    thumbnail capturer is enabled,
    --enable-features="ScreenCaptureKitMac,ScreenCaptureKitStreamPickerSonoma,ThumbnailCapturerMac:capture_mode/sc_screenshot_manager"

    [1] https://chromium-review.googlesource.com/c/chromium/src/+/4892397

    (cherry picked from commit fb99c6ebb57754e4b764a63dfae7f62ec272ba6b)

    Bug: chromium:1486851
    No-Try: True
    Change-Id: I3422efffc57dcb3e8965f19a5eca7f2a95d62da1
    Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/334721
    Reviewed-by: Mark Foltz <mfoltz@chromium.org>
    Commit-Queue: Johannes Kron <kron@webrtc.org>
    Cr-Original-Commit-Position: refs/heads/main@{#41563}
    Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/335740
    Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
    Cr-Commit-Position: refs/branch-heads/6167@{#5}
    Cr-Branched-From: ece5cb83715dea85617114b6d4e981fdee2623ba-refs/heads/main@{#41315}
TGiles added a commit that referenced this pull request Mar 5, 2024
* FIDEFE-4643 - Use value object in design-tokens.json

By using the composite design token value structure, we gain flexibility
in handling themed and non-themed tokens as well as other cases that
we are not aware of. For example, this composite value structure can be
used to handle prefers-contrast theming, forced-colors (HCM) theming,
etc.

We also add the ability to use "default" as the default value of tokens.
This handles the case where a token has the same value in light and dark
mode but has a different value in perfers-contrast or forced-colors
mode. Currently "default" is the highest priority property of the value
object. If you have "light", "dark" and "default" for a token's
value, then the "default" property will be in the generated token and
not the "light" or "dark" property values.

* fix broken matcher function in lightDarkTransform
TGiles added a commit that referenced this pull request Mar 8, 2024
* FIDEFE-4643 - Use value object in design-tokens.json

By using the composite design token value structure, we gain flexibility
in handling themed and non-themed tokens as well as other cases that
we are not aware of. For example, this composite value structure can be
used to handle prefers-contrast theming, forced-colors (HCM) theming,
etc.

We also add the ability to use "default" as the default value of tokens.
This handles the case where a token has the same value in light and dark
mode but has a different value in perfers-contrast or forced-colors
mode. Currently "default" is the highest priority property of the value
object. If you have "light", "dark" and "default" for a token's
value, then the "default" property will be in the generated token and
not the "light" or "dark" property values.

* fix broken matcher function in lightDarkTransform
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3 participants