this is take #2 of this PR https://github.com/tldraw/tldraw/pull/3764
This continues the idea kicked off in
https://github.com/tldraw/tldraw/pull/3684 to explore LOD and takes it
in a different direction.
Several things here to call out:
- our dotcom version would start to use Cloudflare's image transforms
- we don't rewrite non-image assets
- we debounce zooming so that we're not swapping out images while
zooming (it creates jank)
- we load different images based on steps of .25 (maybe we want to make
this more, like 0.33). Feels like 0.5 might be a bit too much but we can
play around with it.
- we take into account network connection speed. if you're on 3g, for
example, we have the size of the image.
- dpr is taken into account - in our case, Cloudflare handles it. But if
it wasn't Cloudflare, we could add it to our width equation.
- we use Cloudflare's `fit=scale-down` setting to never scale _up_ an
image.
- we don't swap the image in until we've finished loading it
programatically (to avoid a blank image while it loads)
TODO
- [x] We need to enable Cloudflare's pricing on image transforms btw
@steveruizok 😉 - this won't work quite yet until we do that.
### Change Type
<!-- ❗ Please select a 'Scope' label ❗️ -->
- [x] `sdk` — Changes the tldraw SDK
- [ ] `dotcom` — Changes the tldraw.com web app
- [ ] `docs` — Changes to the documentation, examples, or templates.
- [ ] `vs code` — Changes to the vscode plugin
- [ ] `internal` — Does not affect user-facing stuff
<!-- ❗ Please select a 'Type' label ❗️ -->
- [ ] `bugfix` — Bug fix
- [x] `feature` — New feature
- [ ] `improvement` — Improving existing features
- [ ] `chore` — Updating dependencies, other boring stuff
- [ ] `galaxy brain` — Architectural changes
- [ ] `tests` — Changes to any test code
- [ ] `tools` — Changes to infrastructure, CI, internal scripts,
debugging tools, etc.
- [ ] `dunno` — I don't know
### Test Plan
1. Test images on staging, small, medium, large, mega
2. Test videos on staging
- [x] Unit Tests
- [ ] End to end tests
### Release Notes
- Assets: make option to transform urls dynamically to provide different
sized images on demand.
Previously, we had the `ae-forgotten-export` rule from api-extractor
disabled. This rule makes sure that everything that's referred to in the
public API is actually exported. There are more details on the rule
[here](https://api-extractor.com/pages/messages/ae-forgotten-export/),
but not exporting public API entires is bad because they're hard to
document and can't be typed/called from consumer code. For us, the big
effect is that they don't appear in our docs at all.
This diff re-enables that rule. Now, if you introduce something new to
the public API but don't export it, your build will fail.
### Change Type
- [x] `docs` — Changes to the documentation, examples, or templates.
- [x] `improvement` — Improving existing features
We have a lot of events that fire in the editor and, technically, they
can fire after the Editor is long gone.
This adds a registry/manager to track those timeout/interval/raf IDs
(and some eslint rules to enforce it).
Some other cleanups:
- `requestAnimationFrame.polyfill.ts` looks like it's unused now (it
used to be used in a prev. revision)
- @ds300 I could use your feedback on the `EffectScheduler` tweak. in
`useReactor` we do: `() => new EffectScheduler(name, reactFn, {
scheduleEffect: (cb) => requestAnimationFrame(cb) }),`
and that looks like it doesn't currently get disposed of properly.
thoughts? happy to do that separately from this PR if you think that's a
trickier thing.
### Change Type
<!-- ❗ Please select a 'Scope' label ❗️ -->
- [x] `sdk` — Changes the tldraw SDK
- [ ] `dotcom` — Changes the tldraw.com web app
- [ ] `docs` — Changes to the documentation, examples, or templates.
- [ ] `vs code` — Changes to the vscode plugin
- [ ] `internal` — Does not affect user-facing stuff
<!-- ❗ Please select a 'Type' label ❗️ -->
- [ ] `bugfix` — Bug fix
- [ ] `feature` — New feature
- [x] `improvement` — Improving existing features
- [ ] `chore` — Updating dependencies, other boring stuff
- [ ] `galaxy brain` — Architectural changes
- [ ] `tests` — Changes to any test code
- [ ] `tools` — Changes to infrastructure, CI, internal scripts,
debugging tools, etc.
- [ ] `dunno` — I don't know
### Test Plan
1. Test async operations and make sure they don't fire after disposal.
### Release Notes
- Editor: add registry of timeouts/intervals/rafs
---------
Co-authored-by: Steve Ruiz <steveruizok@gmail.com>
Typescript's type aliases (`type X = thing`) can refer to basically
anything, which makes it hard to write an automatic document formatter
for them. Interfaces on the other hand are only object, so they play
much nicer with docs. Currently, object-flavoured type aliases don't
really get expanded at all on our docs site, which means we have a bunch
of docs content that's not shown on the site.
This diff introduces a lint rule that forces `interface X {foo: bar}`s
instead of `type X = {foo: bar}` where possible, as it results in a much
better documentation experience:
Before:
<img width="437" alt="Screenshot 2024-05-22 at 15 24 13"
src="https://github.com/tldraw/tldraw/assets/1489520/32606fd1-6832-4a1e-aa5f-f0534d160c92">
After:
<img width="431" alt="Screenshot 2024-05-22 at 15 33 01"
src="https://github.com/tldraw/tldraw/assets/1489520/4e0d59ee-c38e-4056-b9fd-6a7f15d28f0f">
### Change Type
- [x] `sdk` — Changes the tldraw SDK
- [x] `docs` — Changes to the documentation, examples, or templates.
- [x] `improvement` — Improving existing features
Will explain tomorrow
### Change Type
<!-- ❗ Please select a 'Scope' label ❗️ -->
- [x] `sdk` — Changes the tldraw SDK
- [ ] `dotcom` — Changes the tldraw.com web app
- [ ] `docs` — Changes to the documentation, examples, or templates.
- [ ] `vs code` — Changes to the vscode plugin
- [ ] `internal` — Does not affect user-facing stuff
<!-- ❗ Please select a 'Type' label ❗️ -->
- [ ] `bugfix` — Bug fix
- [ ] `feature` — New feature
- [x] `improvement` — Improving existing features
- [ ] `chore` — Updating dependencies, other boring stuff
- [ ] `galaxy brain` — Architectural changes
- [ ] `tests` — Changes to any test code
- [ ] `tools` — Changes to infrastructure, CI, internal scripts,
debugging tools, etc.
- [ ] `dunno` — I don't know
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- Add a brief release note for your PR here.
This reverts commit 741ed00bda.
This was causing a bug with computed's not getting invalidated
correctly. To reproduce:
- Draw a rectangle
- Hold alt to drag out a duplicate
- Delete the duplicate
We'd then get errors and sometimes a crash where the indicator continued
trying to render a now-deleted shape.
### Change Type
- [x] `sdk` — Changes the tldraw SDK
- [x] `bugfix` — Bug fix
This is a huge perf win, and it came to me while procrastinating on
making dinner.
The idea is that we can skip checking the parents of a computed value if
- it is being dereferenced during a reaction cycle
- the computed value was not traversed during the current reaction cycle
This more than doubles the speed of the webgl minimap render on my
machine (from 2ms down to like 0.8ms).
This will make the biggest difference for anything that derives a value
from a large collection of other computed values where typically only a
small amount of them change at one time (e.g. iterating over all the
shape page bounds to compile an RBush)
Most code paths where we see a big chunk of `haveParentsChanged` in
flame graphs should be much faster after this.
### Change Type
- [x] `sdk` — Changes the tldraw SDK
- [x] `improvement` — Improving existing features
Describe what your pull request does. If appropriate, add GIFs or images
showing the before and after.
### Change Type
<!-- ❗ Please select a 'Scope' label ❗️ -->
- [x] `sdk` — Changes the tldraw SDK
- [ ] `dotcom` — Changes the tldraw.com web app
- [ ] `docs` — Changes to the documentation, examples, or templates.
- [ ] `vs code` — Changes to the vscode plugin
- [ ] `internal` — Does not affect user-facing stuff
<!-- ❗ Please select a 'Type' label ❗️ -->
- [ ] `bugfix` — Bug fix
- [ ] `feature` — New feature
- [x] `improvement` — Improving existing features
- [ ] `chore` — Updating dependencies, other boring stuff
- [ ] `galaxy brain` — Architectural changes
- [ ] `tests` — Changes to any test code
- [ ] `tools` — Changes to infrastructure, CI, internal scripts,
debugging tools, etc.
- [ ] `dunno` — I don't know
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- Add a brief release note for your PR here.
This PR uses an additional ArraySet to make capturing parent
relationships faster for computeds with more than a handful of parents.
Seems to result in an overall ~20% speedup of the `maybeCaptureParent`
function in normal usage.
### Change Type
- [x] `sdk` — Changes the tldraw SDK
- [x] `improvement` — Improving existing features
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- Slight performance improvement to reactivity bookkeeping.
Describe what your pull request does. If appropriate, add GIFs or images
showing the before and after.
### Change Type
- [x] `sdk` — Changes the tldraw SDK
- [x] `galaxy brain` — Architectural changes
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
#### BREAKING CHANGES
- The `Migrations` type is now called `LegacyMigrations`.
- The serialized schema format (e.g. returned by
`StoreSchema.serialize()` and `Store.getSnapshot()`) has changed. You
don't need to do anything about it unless you were reading data directly
from the schema for some reason. In which case it'd be best to avoid
that in the future! We have no plans to change the schema format again
(this time was traumatic enough) but you never know.
- `compareRecordVersions` and the `RecordVersion` type have both
disappeared. There is no replacement. These were public by mistake
anyway, so hopefully nobody had been using it.
- `compareSchemas` is a bit less useful now. Our migrations system has
become a little fuzzy to allow for simpler UX when adding/removing
custom extensions and 3rd party dependencies, and as a result we can no
longer compare serialized schemas in any rigorous manner. You can rely
on this function to return `0` if the schemas are the same. Otherwise it
will return `-1` if the schema on the right _seems_ to be newer than the
schema on the left, but it cannot guarantee that in situations where
migration sequences have been removed over time (e.g. if you remove one
of the builtin tldraw shapes).
Generally speaking, the best way to check schema compatibility now is to
call `store.schema.getMigrationsSince(persistedSchema)`. This will throw
an error if there is no upgrade path from the `persistedSchema` to the
current version.
- `defineMigrations` has been deprecated and will be removed in a future
release. For upgrade instructions see
https://tldraw.dev/docs/persistence#Updating-legacy-shape-migrations-defineMigrations
- `migrate` has been removed. Nobody should have been using this but if
you were you'll need to find an alternative. For migrating tldraw data,
you should stick to using `schema.migrateStoreSnapshot` and, if you are
building a nuanced sync engine that supports some amount of backwards
compatibility, also feel free to use `schema.migratePersistedRecord`.
- the `Migration` type has changed. If you need the old one for some
reason it has been renamed to `LegacyMigration`. It will be removed in a
future release.
- the `Migrations` type has been renamed to `LegacyMigrations` and will
be removed in a future release.
- the `SerializedSchema` type has been augmented. If you need the old
version specifically you can use `SerializedSchemaV1`
---------
Co-authored-by: Steve Ruiz <steveruizok@gmail.com>
Follow up to #3129
### Change Type
<!-- ❗ Please select a 'Scope' label ❗️ -->
- [x] `sdk` — Changes the tldraw SDK
- [x] `improvement` — Improving existing features
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- Add a brief release note for your PR here.
Reverts the changes to the `state` package that were made in #2977.
Should fix the issue with shape jittering discovered during QA.
### Change Type
- [x] `patch` — Bug fix
- [ ] `minor` — New feature
- [ ] `major` — Breaking change
- [ ] `dependencies` — Changes to package dependencies[^1]
- [ ] `documentation` — Changes to the documentation only[^2]
- [ ] `tests` — Changes to any test code only[^2]
- [ ] `internal` — Any other changes that don't affect the published
package[^2]
- [ ] I don't know
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Test Plan
1. Create some shapes (draw shapes work well).
2. Open the same room in a second browser.
3. Resize shapes (using option / alt makes it more obvious).
4. The shapes should not jitter in any of the screens.
This PR does a few things to help with performance:
1. Instead of doing changes on raf we now do them 60 times per second.
This limits the number of updates on high refresh rate screens like the
iPad. With the current code this only applied to the history updates (so
when you subscribed to the updates), but the next point takes this a bit
futher.
2. We now trigger react updates 60 times per second. This is a change in
`useValue` and `useStateTracking` hooks.
3. We now throttle the inputs (like the `pointerMove`) in state nodes.
This means we batch multiple inputs and only apply them at most 60 times
per second.
We had to adjust our own tests to pass after this change so I marked
this as major as it might require the users of the library to do the
same.
Few observations:
- The browser calls the raf callbacks when it can. If it gets
overwhelmed it will call them further and further apart. As things call
down it will start calling them more frequently again. You can clearly
see this in the drawing example. When fps gets to a certain level we
start to get fewer updates, then fps can recover a bit. This makes the
experience quite janky. The updates can be kinda ok one second (dropping
frames, but consistently) and then they can completely stop and you have
to let go of the mouse to make them happen again. With the new logic it
seems everything is a lot more consistent.
- We might look into variable refresh rates to prevent this overtaxing
of the browser. Like when we see that the times between our updates are
getting higher we could make the updates less frequent. If we then see
that they are happening more often we could ramp them back up. I had an
[experiment for this
here](4834863966 (diff-318e71563d7c47173f89ec084ca44417cf70fc72faac85b96f48b856a8aec466L30-L35)).
Few tests below. Used 6x slowdown for these.
# Resizing
### Before
https://github.com/tldraw/tldraw/assets/2523721/798a033f-5dfa-419e-9a2d-fd8908272ba0
### After
https://github.com/tldraw/tldraw/assets/2523721/45870a0c-c310-4be0-b63c-6c92c20ca037
# Drawing
Comparison is not 100% fair, we don't store the intermediate inputs
right now. That said, tick should still only produce once update so I do
think we can get a sense of the differences.
### Before
https://github.com/tldraw/tldraw/assets/2523721/2e8ac8c5-bbdf-484b-bb0c-70c967f4541c
### After
https://github.com/tldraw/tldraw/assets/2523721/8f54b7a8-9a0e-4a39-b168-482caceb0149
### Change Type
- [ ] `patch` — Bug fix
- [ ] `minor` — New feature
- [x] `major` — Breaking change
- [ ] `dependencies` — Changes to package dependencies[^1]
- [ ] `documentation` — Changes to the documentation only[^2]
- [ ] `tests` — Changes to any test code only[^2]
- [ ] `internal` — Any other changes that don't affect the published
package[^2]
- [ ] I don't know
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Release Notes
- Improves the performance of rendering.
---------
Co-authored-by: Steve Ruiz <steveruizok@gmail.com>
Describe what your pull request does. If appropriate, add GIFs or images
showing the before and after.
### Change Type
- [ ] `patch` — Bug fix
- [ ] `minor` — New feature
- [ ] `major` — Breaking change
- [ ] `dependencies` — Changes to package dependencies[^1]
- [x] `documentation` — Changes to the documentation only[^2]
- [ ] `tests` — Changes to any test code only[^2]
- [ ] `internal` — Any other changes that don't affect the published
package[^2]
- [ ] I don't know
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- Fix typo in useValue comment.
This PR revamps how errors in signia are handled.
This was brought about by a situation that @MitjaBezensek encountered
where he added a reactor to a shape util class. During fuzz tests, that
reactor was being executed at times when the Editor was not in a usable
state (we had a minor hole in our sync rebase logic that allowed this,
fixed elsewhere) and the reactor was throwing errors because it
dereferenced a parent signal that relied on the page state
(getShapesInCurrentPage or whatever) when there were no page records in
the store.
The strange part was that even if we wrapped the body of the reactor
function in a try/catch, ignoring the error, we'd still see the error
bubble up somehow.
That was because the error was being thrown in a Computed derive
function, and those are evaluated independently (i.e. outside of the
reactor function) by signia as it traverses the dependency graph from
leaves to roots in the `haveParentsChanged()` internal function.
So the immediate fix was to make it so that `haveParentsChanged` ignores
errors somehow.
But the better fix involved completely revamping how signia handles
errors, and they work very much like how signia handles values now. i.e.
- signia still assumes that deriver functions are pure, and that if a
deriver function throws once it will throw again unless its parent
signals change value, so **it caches thrown errors for computed values**
and throws them again if .get() is called again before the parents
change
- it clears the history buffer if an error is thrown
- it does not allow errors to bubble during dirty checking i.e. inside
`haveParentsChanged` or while calculating diffs.
### Change Type
- [x] `patch` — Bug fix
- [ ] `minor` — New feature
- [ ] `major` — Breaking change
- [ ] `dependencies` — Changes to package dependencies[^1]
- [ ] `documentation` — Changes to the documentation only[^2]
- [ ] `tests` — Changes to any test code only[^2]
- [ ] `internal` — Any other changes that don't affect the published
package[^2]
- [ ] I don't know
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [x] Unit Tests
- [ ] End to end tests
### Release Notes
- Add a brief release note for your PR here.
This PR adds the docs app back into the tldraw monorepo.
## Deploying
We'll want to update our deploy script to update the SOURCE_SHA to the
newest release sha... and then deploy the docs pulling api.json files
from that release. We _could_ update the docs on every push to main, but
we don't have to unless something has changed. Right now there's no
automated deployments from this repo.
## Side effects
To make this one work, I needed to update the lock file. This might be
ok (new year new lock file), and everything builds as expected, though
we may want to spend some time with our scripts to be sure that things
are all good.
I also updated our prettier installation, which decided to add trailing
commas to every generic type. Which is, I suppose, [correct
behavior](https://github.com/prettier/prettier-vscode/issues/955)? But
that caused diffs in every file, which is unfortunate.
### Change Type
- [x] `internal` — Any other changes that don't affect the published
package[^2]
Finally removing all these deprecated getters ahead of the full release.
### Change Type
- [x] `major` — Breaking change
### Release Notes
- (Breaking) Removed deprecated getters.
This PR opts to split the big singleton out into other smaller
singletons so that we can revert the moving of the tsdoc comments that
happened in #2322
### Change Type
- [x] `patch` — Bug fix
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
One minor issue with signia is that it uses global state for
bookkeeping, so it is potentially disastrous if there is more than one
version of it included in a bundle.
To prevent that being an issue before we had a warning that would
trigger if signia detects multiple initializations.
> Multiple versions of @tldraw/state detected. This will cause
unexpected behavior. Please add "resolutions" (yarn/pnpm) or "overrides"
(npm) in your package.json to ensure only one version of @tldraw/state
is loaded.
Alas I think this warning triggers too often in development
environments, e.g. during HMR or janky bundlers.
Something that can prevent the need for this particular warning is
having a global singleton version of signia that we only instantiate
once, and then re-use that one on subsequent module initializations. We
didn't do this before because it has a few downsides:
- breaks HMR if you are working on signia itself, since updated modules
won't be used and you'll need to do a full refresh.
- introduces the possibility of breakage if we remove or even add APIs
to signia. We can't rely on having the latest version of signia be the
first to instantiate, and we can't allow later instantiations to take
precedence since atoms n stuff may have already been created with the
prior version. To mitigate this I've introduced a `apiVersion` const
that we can increment when we make any kind of additions or removals. If
there is a mismatch between the `apiVersion` in the global singleton vs
the currently-initializing module, then it throws.
Ultimately i think the pros outweigh the cons here, i.e. far fewer
people will see and have to deal with the error message shown above, and
fewer people should encounter a situation where the editor appears to
load but nothing changes when you interact with it.
### Change Type
- [x] `patch` — Bug fix
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Release Notes
- Make a global singleton for tlstate.
Follow up to #2189
### Change Type
- [ ] `patch` — Bug fix
- [ ] `minor` — New feature
- [ ] `major` — Breaking change
- [ ] `dependencies` — Changes to package dependencies[^1]
- [x] `documentation` — Changes to the documentation only[^2]
- [ ] `tests` — Changes to any test code only[^2]
- [ ] `internal` — Any other changes that don't affect the published
package[^2]
- [ ] I don't know
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
follow up to #2189
adds runtime warnings for deprecated fields. cleans up remaining fields
and usages. Adds a lint rule to prevent access to deprecated fields.
Adds a lint rule to prevent using getters.
### Change Type
- [x] `patch` — Bug fix
This PR replaces the `.value` getter for the atom with `.get()`
### Change Type
- [x] `major` — Breaking change
---------
Co-authored-by: David Sheldrick <d.j.sheldrick@gmail.com>
This PR removes all mentions of "(optional)" from our jsdocs. This is
for:
* consistency — many of our jsdocs don't mention "(optional)" for
optional parameters. The developer is expected to use the type
definition to find this out. But it's a bit unclear because we use
"(optional)" in many places too.
* docs site — on our docs site, we use type definitions to figure out
what is optional, and what isn't. We use that info to denote optional
parameters. It looks funny having two "(optional)"s on a page. We
*could* strip them, but it's probably better to just remove them at the
source.
<img width="526" alt="image"
src="https://github.com/tldraw/tldraw/assets/15892272/b5b65a2b-2923-42a9-a2d3-9b1d9d55cd3d">
### Change Type
- [x] `documentation` — Changes to the documentation only[^2]
### Release Notes
- dev: Removed duplicate/inconsistent `(optional)`s from docs
This PR includes further UX improvements to selection.
- clicking inside of a hollow shape will no longer select it on pointer
up
- clicking a shape's filled label will select it on pointer down
- clicking a shape's empty label will select it on pointer up
- clicking and dragging a selected arrow is now better limited to its
body, not its bounds
- arrows will no longer bind to labels
### Text labels
A big change here relates to text labels. Previously, we had listeners
set on the text label elements; I've removed these and we now check the
actual label bounds geometry for a hit. For geo shapes, this geometry is
now placed correctly based on the alignment / vertical alignment of the
label.
- Clicking on a label with text in it will select the shape on pointer
down.
- Clicking on an empty text label will select the shape on pointer up.
## Hollow shapes
Previously, shapes with `fill: none` were also being selected on pointer
up. I've removed that logic because it was producing wrong-feeling
selections too often. We now select these shapes only when clicking on
the label (as mentioned above) or when clicking on the edges of the
shape. This is in line with the original behavior (currently on
tldraw.com, prior to the earlier PR that updated selection logic).
## Arrows
Arrows still hit the inside of hollow shapes, using the "smallest
hovered" logic previously used for pointer-up selection on hollow
shapes. They also now correctly do so while ignoring text labels.
### Change Type
- [x] `minor` — New feature
### Test Plan
1. try selecting geo shapes, nested geo shapes, arrows and shapes with
labels or without labels
- [x] Unit Tests
Reverts tldraw/tldraw#1778.
Fuzz testing picked up errors related to deleting pages and undo/redo
which may doom this PR.
### Change Type
- [x] `major` — Breaking change
This PR shrinks the commands API surface and adds a manager
(`CleanupManager`) for side effects.
### Change Type
- [x] `major` — Breaking change
### Test Plan
Use the app! Especially undo and redo. Our tests are passing but I've
found more cases where our coverage fails to catch issues.
### Release Notes
- tbd
We saw an issue on stackblitz where the `global` constant was causing a
conflict (possibly because that environment was injecting its own
`global`). Either way, perhaps `global` is a bit of a risky name—this PR
renames `global` to `tldrawStateGlobal`.
### Change Type
- [x] `patch`
It tried to get out but we're dragging it back in.
This PR brings [signia](https://github.com/tldraw/signia) back into
tldraw as @tldraw/state.
### Change Type
- [x] major
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Co-authored-by: David Sheldrick <d.j.sheldrick@gmail.com>
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