Commit graph

31 commits

Author SHA1 Message Date
Luc Mcgrady
6869e9fd36
reviewer-bottom entrypoint 2025-08-25 18:42:20 +01:00
Damien Elmes
455677a5c0 Ensure sveltekit gets built before congrats page
Fixes race condition in build
2025-01-24 18:32:19 +11:00
Damien Elmes
774d57cdc8 Restore the missing external congrats page 2025-01-24 16:21:36 +11:00
Abdo
2c1a4895ba Switch back to Prettier for Svelte formatting
Closes #3649
Closes #3713
2025-01-13 15:53:55 +11:00
Damien Elmes
a739d6257c Fix check:svelte/vitest running indiscriminately 2024-07-06 18:40:36 +07:00
Mani
477f932f35
fix select all and change ordinal in edit mode in io (#3109)
* fix select all and change ordinal in edit mode in io

* make ordinal undefined for all shapes in group/ungroup

* fix group shapes and some ui fixes

* Don't add node_modules/* to dprint deps

* use minimum ordinal when shape merged, use max ordinal++ when ungrouped, in add mode no ordinal preset so NaN

* use state for ungroup shape

* maintain existing ordinal in editing mode

* fix order of ordinal in ungroup shape

* refactor: remove for loop, use forEach
2024-04-11 08:08:07 +01:00
Damien Elmes
9f55cf26fc
Switch to SvelteKit (#3077)
* Update to latest Node LTS

* Add sveltekit

* Split tslib into separate @generated and @tslib components

SvelteKit's path aliases don't support multiple locations, so our old
approach of using @tslib to refer to both ts/lib and out/ts/lib will no
longer work. Instead, all generated sources and their includes are
placed in a separate out/ts/generated folder, and imported via @generated
instead. This also allows us to generate .ts files, instead of needing
to output separate .d.ts and .js files.

* Switch package.json to module type

* Avoid usage of baseUrl

Incompatible with SvelteKit

* Move sass into ts; use relative links

SvelteKit's default sass support doesn't allow overriding loadPaths

* jest->vitest, graphs example working with yarn dev

* most pages working in dev mode

* Some fixes after rebasing

* Fix/silence some svelte-check errors

* Get image-occlusion working with Fabric types

* Post-rebase lock changes

* Editor is now checked

* SvelteKit build integrated into ninja

* Use the new SvelteKit entrypoint for pages like congrats/deck options/etc

* Run eslint once for ts/**; fix some tests

* Fix a bunch of issues introduced when rebasing over latest main

* Run eslint fix

* Fix remaining eslint+pylint issues; tests now all pass

* Fix some issues with a clean build

* Latest bufbuild no longer requires @__PURE__ hack

* Add a few missed dependencies

* Add yarn.bat to fix Windows build

* Fix pages failing to show when ANKI_API_PORT not defined

* Fix svelte-check and vitest on Windows

* Set node path in ./yarn

* Move svelte-kit output to ts/.svelte-kit

Sadly, I couldn't figure out a way to store it in out/ if out/ is
a symlink, as it breaks module resolution when SvelteKit is run.

* Allow HMR inside Anki

* Skip SvelteKit build when HMR is defined

* Fix some post-rebase issues

I should have done a normal merge instead.
2024-03-31 09:16:31 +01:00
Abdo
dc3bd3efde
Replace css_browser_selector with our own implementation (#2854)
* Replace css_browser_selector

* Add classes to root element instead of body

* Export addBrowserClasses() in reviewer_extras for mobile clients (dae)

* Avoid setting .mac on iOS devices (dae)
2023-11-30 10:57:33 +10:00
Abdo
e88dfb68a5
Load MathJax's text-chtml-full component in reviewer/previewer (#2836)
* Load MathJax's text-chtml-full in review screens

* Remove no longer needed MathJax extensions
2023-11-20 16:50:55 +10:00
Damien Elmes
9600f033f7 Add reviewer_extras.css
Will help with https://github.com/ankidroid/Anki-Android-Backend/issues/313
2023-10-27 03:07:31 +10:00
Damien Elmes
d441680984 Remove select image button in I/O
Closes #2620
2023-09-17 11:51:48 +10:00
RumovZ
850043b49b
Tooltips for CSV import and import page refactoring (#2655)
* Make enum selector generic

* Refactor ImportCsvPage to support tooltips

* Improve csv import defaults

* Unify import pages

* Improve import page styling

* Fix life cycle issue with import properties

* Remove size constraints to fix scrollbar styling

* Add help strings and urls to csv import page

* Show ErrorPage on ImportPage error

* Fix escaping of import path

* Unify ImportPage and ImportLogPage

* Apply suggestions from code review (dae)

* Fix import progress

* Fix preview overflowing container

* Don't include <br> in FileIoErrors (dae)

e.g. 500: Failed to read '/home/dae/foo2.csv':<br>stream did not contain valid UTF-8

I thought about using {@html ...} here, but that's a potential security issue,
as the filename is not something we control.
2023-09-14 09:06:15 +10:00
RumovZ
14de8451dc
Merging Notetypes on Import (#2612)
* Remember original id when importing notetype

* Reuse notetypes with matching original id

* Add field and template ids

* Enable merging imported notetypes

* Fix test

Note should be updated if the incoming note's notetype is
remapped to the existing note's notetype.
On the other hand, it should be skipped if its notetype id is mapped
to some new notetype.

* Change field and template ids to i32

* Add merge notetypes flag to proto message

* Add dialog for apkg import

* Move HelpModal into components

* Generalize import dialog

* Move SettingTitle into components

* Add help modal to ImportAnkiPackagePage

* Move SwitchRow into components

* Fix backend method import

* Make testable in browser

* Fix broken modal

* Wrap in container and fix margins

* Update commented Anki version of new proto fields

* Check ids when comparing notetype schemas

* Add tooltip for merging notetypes.

* Allow updating notes regardless of mtime

* Gitignore yarn-error.log

* Allow updating notetypes regardless of mtime

* Fix apkg help carousel

* Use i64s for template and field ids

* Add option to omit importing scheduling info

* Restore last settings in apkg import dialog

* Display error when getting metadata in webview

* Update manual links for apkg importing

* Apply suggestions from code review

Co-authored-by: Damien Elmes <dae@users.noreply.github.com>

* Omit schduling -> Import all cards as new cards

* Tweak importing-update-notes-help

* UpdateCondition → ImportAnkiPackageUpdateCondition

* Load keyboard.ftl

* Skip updating dupes in 'update alwyas' case

* Explain more when merging notetypes is required

* "omit scheduling" → "with scheduling"

* Skip updating notetype dupes if 'update always'

* Merge duplicated notetypes from previous imports

* Fix rebase aftermath

* Fix panic when merging

* Clarify 'update notetypes' help

* Mention 'merge notetypes' in the log

* Add a test which covers the previously panicking path

* Use nested ftl messages to ensure consistency

* Make order of merged fields deterministic

* Rewrite test to trigger panic

* Update version comment on new fields
2023-09-09 09:00:55 +10:00
Abdo
98715e593a
Improve presentation of importing results (#2568)
* Implement import log screen in Svelte

* Show filename in import log screen title

* Remove unused NoteRow property

* Show number of imported notes

* Use a single nid expression

* Use 'count' as variable name for consistency

* Import from @tslib/backend instead

* Fix summary_template typing

* Fix clippy warning

* Apply suggestions from code review

* Fix imports

* Contents -> Fields

* Increase max length of browser search bar

https://github.com/ankitects/anki/pull/2568/files#r1255227035

* Fix race condition in Bootstrap tooltip destruction

https://github.com/twbs/bootstrap/issues/37474

* summary_template -> summaryTemplate

* Make show link a button

* Run import ops on Svelte side

* Fix geometry not being restored in CSV Import page

* Make VirtualTable fill available height

* Keep CSV dialog modal

* Reword importing-existing-notes-skipped

* Avoid mentioning matching based on first field

* Change tick and cross icons

* List skipped notes last

* Pure CSS spinner

* Move set_wants_abort() call to relevant dialogs

* Show number of imported cards

* Remove bold from first sentence and indent summaries

* Update UI after import operations

* Add close button to import log page

Also make virtual table react to resize event.

* Fix typing

* Make CSV dialog non-modal again

Otherwise user can't interact with browser window.

* Update window modality after import

* Commit DB and update undo actions after import op

* Split frontend proto into separate file, so backend can ignore it

Currently the automatically-generated frontend RPC methods get placed in
'backend.js' with all the backend methods; we could optionally split them
into a separate 'frontend.js' file in the future.

* Migrate import_done from a bridgecmd to a HTTP request

* Update plural form of importing-notes-added

* Move import response handling to mediasrv

* Move task callback to script section

* Avoid unnecessary :global()

* .log cannot be missing if result exists

* Move import log search handling to mediasrv

* Type common params of ImportLogDialog

* Use else if

* Remove console.log()

* Add way to test apkg imports in new log screen

* Remove unused import

* Get actual card count for CSV imports

* Use import type

* Fix typing error

* Ignore import log when checking for changes in Python layer

* Apply suggestions from code review

* Remove imported card count for now

* Avoid non-null assertion in assignment

* Change showInBrowser to take an array of notes

* Use dataclasses for import log args

* Simplify ResultWithChanges in TS

* Only abort import when window is modal

* Fix ResultWithChanges typing

* Fix Rust warnings

* Only log one duplicate per incoming note

* Update wording about note updates

* Remove caveat about found_notes

* Reduce font size

* Remove redundant map

* Give credit to loading.io

* Remove unused line

---------

Co-authored-by: RumovZ <gp5glkw78@relay.firefox.com>
2023-08-02 20:29:44 +10:00
Damien Elmes
79779f915e Avoid :pages prefix on ts/*, so build rule matches folder location 2023-07-03 17:24:27 +10:00
Damien Elmes
a06e2335c4 Merge the separate editor index files
They're almost the same, and the extra work competes for CPU cores
with the other build steps.
2023-07-03 17:24:27 +10:00
Damien Elmes
9f5b7e79cc Move markpure to TypeScript
Combined with the previous changes, this allows the mobile clients to
build the web components without having to set up a Python environment,
and should speed up AnkiDroid CI.
2023-07-03 17:24:27 +10:00
Damien Elmes
cb8007ce30 Move .py i18n method generation to Rust 2023-07-03 15:58:46 +10:00
Damien Elmes
4c76e3150b Move .ts i18n method generation to Rust
Based on a similar approach I used for AnkiDroid. The separate modules
file has been integrated into ftl.js.
2023-07-03 14:36:09 +10:00
Damien Elmes
f3b6deefe9 Combine all backend methods into a single js/d.ts file, like in Python
Easier to import from, and allows us to declare the output of the build
action without having to iterate over all the proto filenames. Have
confirmed it doesn't break esbuild's tree shaking.
2023-07-03 13:46:38 +10:00
Damien Elmes
62c7cdc543 Add scss formatter 2023-07-03 09:44:38 +10:00
Damien Elmes
baa631c6ef Migrate proto build actions to ninja_gen; switch from dyn Error to anyhow 2023-06-30 19:37:02 +10:00
Damien Elmes
9701055eb5 Add support for using n2 instead of ninja
Provides better visibility into what the build is currently doing.
Motivated by slow node.js downloads making the build appear stuck.

You can test this out by running ./tools/install-n2 then building
normally. Please report any problems, and 'cargo uninstall n2' to get
back to the old behaviour. It works on Windows, but prints a new line
each second instead of redrawing the same area.

A couple of changes were required for compatibility:

- n2 doesn't resolve $variable names inside other variables, so the
resolution needs to be done by our build generator.
- Our inputs and outputs in build.ninja need to be listed in a deterministic
order to avoid unwanted rebuilds. I've made a few other tweaks so the
build file should now be fully-deterministic.
2023-06-15 17:17:56 +10:00
Damien Elmes
45f5709214
Migrate to protobuf-es (#2547)
* Fix .no-reduce-motion missing from graphs spinner, and not being honored

* Begin migration from protobuf.js -> protobuf-es

Motivation:

- Protobuf-es has a nicer API: messages are represented as classes, and
fields which should exist are not marked as nullable.
- As it uses modules, only the proto messages we actually use get included
in our bundle output. Protobuf.js put everything in a namespace, which
prevented tree-shaking, and made it awkward to access inner messages.
- ./run after touching a proto file drops from about 8s to 6s on my machine. The tradeoff
is slower decoding/encoding (#2043), but that was mainly a concern for the
graphs page, and was unblocked by
37151213cd

Approach/notes:

- We generate the new protobuf-es interface in addition to existing
protobuf.js interface, so we can migrate a module at a time, starting
with the graphs module.
- rslib:proto now generates RPC methods for TS in addition to the Python
interface. The input-arg-unrolling behaviour of the Python generation is
not required here, as we declare the input arg as a PlainMessage<T>, which
marks it as requiring all fields to be provided.
- i64 is represented as bigint in protobuf-es. We were using a patch to
protobuf.js to get it to output Javascript numbers instead of long.js
types, but now that our supported browser versions support bigint, it's
probably worth biting the bullet and migrating to bigint use. Our IDs
fit comfortably within MAX_SAFE_INTEGER, but that may not hold for future
fields we add.
- Oneofs are handled differently in protobuf-es, and are going to need
some refactoring.

Other notable changes:

- Added a --mkdir arg to our build runner, so we can create a dir easily
during the build on Windows.
- Simplified the preference handling code, by wrapping the preferences
in an outer store, instead of a separate store for each individual
preference. This means a change to one preference will trigger a redraw
of all components that depend on the preference store, but the redrawing
is cheap after moving the data processing to Rust, and it makes the code
easier to follow.
- Drop async(Reactive).ts in favour of more explicit handling with await
blocks/updating.
- Renamed add_inputs_to_group() -> add_dependency(), and fixed it not adding
dependencies to parent groups. Renamed add() -> add_action() for clarity.

* Remove a couple of unused proto imports

* Migrate card info

* Migrate congrats, image occlusion, and tag editor

+ Fix imports for multi-word proto files.

* Migrate change-notetype

* Migrate deck options

* Bump target to es2020; simplify ts lib list

Have used caniuse.com to confirm Chromium 77, iOS 14.5 and the Chrome
on Android support the full es2017-es2020 features.

* Migrate import-csv

* Migrate i18n and fix missing output types in .js

* Migrate custom scheduling, and remove protobuf.js

To mostly maintain our old API contract, we make use of protobuf-es's
ability to convert to JSON, which follows the same format as protobuf.js
did. It doesn't cover all case: users who were previously changing the
variant of a type will need to update their code, as assigning to a new
variant no longer automatically removes the old one, which will cause an
error when we try to convert back from JSON. But I suspect the large majority
of users are adjusting the current variant rather than creating a new one,
and this saves us having to write proxy wrappers, so it seems like a
reasonable compromise.

One other change I made at the same time was to rename value->kind for
the oneofs in our custom study protos, as 'value' was easily confused
with the 'case/value' output that protobuf-es has.

With protobuf.js codegen removed, touching a proto file and invoking
./run drops from about 8s to 6s.

This closes #2043.

* Allow tree-shaking on protobuf types

* Display backend error messages in our ts alert()

* Make sourcemap generation opt-in for ts-run

Considerably slows down build, and not used most of the time.
2023-06-14 22:47:37 +10:00
Damien Elmes
7f6c410ca5
Various changes to I/O handling (#2513)
* Store coordinates as ratios of full size

* Use single definition for cappedCanvasSize()

* Move I/O review code into ts/image-occlusion

A bit simpler when it's all in one place.

* Reduce number precision, and round to whole pixels

>>> n=10000
>>> for i in range(1, int(n)): assert i == round(float("%0.4f" % (i/n))*n)

* Minor typing tweak

So, it turns out that typing is mostly broken in ts/image-occlusion.
We're importing from fabric which is a js file without types, so types
like fabric.Canvas are resolving to any.

I first tried switching to `@types/fabric`, which introduced a slew of
typing errors. Wasted a few hours trying to address them, before deciding
to give up on it, since the types were not complete. Then found fabric
has a 6.0 beta that introduces typing, and spent some time with that, but
ran into some new issues as it still seems to be a work in progress.
I think we're probably best off waiting until it's out and stabilized
before sinking more effort into this.

* Refactor (de)serialization of occlusions

To make the code easier to follow/maintain, cloze deletions are now decoded/
encoded into simple data classes, which can then be converted to Fabric objects
and back. The data objects handle converting from absolute/normal positions, and
producing values suitable for writing to text (eg truncated floats).

Various other changes:

- Polygon points are now stored as 'x,y x2,y2 ...' instead of JSON in cloze
divs, as that makes the handling consistent with reading from cloze deletion
text.
- Fixed the reviewer not showing updated placement when a polygon was moved.
- Disabled rotation controls in the editor, since we don't support rotation during
review.
- Renamed hideInactive to occludeInactive, as it wasn't clear whether the former
meant to hide the occlusions, or keep them (hiding the content). It's stored
as 'oi=1' in the cloze text.

* Increase canvas size limit, and double pixels when required.

* Size canvas based on container size

This results in sharper masks when the intrinsic image size is smaller
than the container, and more legible ones when the container is smaller than
the intrinsic image size.

By using the container instead of the viewport, we account for margins,
and when the pixel ratio is 1x, the canvas size and container size should
match.

* Disable zoom animation on editor load

* Default to rectangle when adding new occlusions

* Allow users to add/update notes directly from mask editing page

* The mask editor needs to work with css pixels, not actual pixels

The canvas and image were being scaled too large, which impacted
performance.
2023-05-31 13:45:12 +10:00
Damien Elmes
7686cb8de8
Fix misaligned image occlusions (#2512)
* Cloze styling is not required in I/O notetype

* Use raw string for IO template

* Rename to notetype.css and use more specific ids

* Move internal i/o styling into runtime

Storing it in the notetype makes it difficult to make changes, and
makes it easier for the user to break.

* Fix misaligned occlusions

At larger screen sizes, the canvas was not increasing above its configured
size, so it ended up being placed top center instead of expanding to fit
the entire container area.

To resolve this, both the image and canvas are forced to the container
size, and the container is constrained to the size of the viewport,
with the same aspect ratio as the image.

Closes #2492
2023-05-23 11:59:50 +10:00
Mani
2bf134dc72
Feature image occlusion (#2367)
* add note types with occlusions and image fields

* generate image occlusion cloze div data
- generate div element with data-* atrributes for canvas shape generate for reviewer

* getting image data & deck id and adding notes
the implementation added into backend
- added service index in backend.proto for image occlusion request
- created image_occlusion.proto with required message and service
- implementation in backend for getting image and adding notes, also during editing return imagecloze note and update notes
- add notes to selected deck, if no notetype then add image occlusion notetypes
- reuse notetype from stock notetypes when not exist

* script for generating shapes using canvas api in reviewer
- the flash issues fixed by loading image and using image size to draw canvas, also when image get resized, calculate scale using natural width and canvas width to draw shape at right position
- limit size of canvas for safari

* init image occlusion page in ts and build page
with
- fabricjs for editing shapes
- panzoom for drag and zoom
- pickr for color picker
- build page using web.rs

* implement top toolbar for canvas shapes
- undo & redo tools
- zoom in, zoom out and zoom fit
- group & ungroup
- copy & paste
- set transparency of shapes
- align tools

* implement side toolbar for drawing shapes
add top toolbar and the side toolbar contains following tools
- cursor for selecting shapes
- zoom for drag and zoom shapes in mask editor
- rectangle for creating it
- ellipse for creating it
- polygon for creating it using points
- shape fill color
- question mask color (currently only single color can be added for all shapes)

* add maskeditor page for editing mask
- add side toolbar and sidebar include toptoolbar
- load maskeditor in two mode
     - for adding note using path to image
     - for editing note using note id

* implement note editor page for adding notes
- the note editor page have simple button (B/I/U) and option to toggle html view
- option to select deck for adding notes into that deck
- option to generate to hide all, guess one & hide one, guess one notes

* add image occlusion page
add side toolbar, top toolbar, mask editor and note editor
- option to switch between mask editor and note editor

* implement generates notes and save notes
implemention to show toast components for messages

* removed pickr & implemented color picker component
- remove pickr
- implemented using html5 canvas
- range input for changing color
- another range input for opacity changes
- hex and rgba value support

* rename methods name & rust unwrap safety
- change plural names to singular
- create respone message in proto and return response with imagecloze note or error if not found with note id
- remove image_occlusion from post handler list
- rename service name in mediasrv.py
- rename methods name for image occlusion in backend and image_occlusion
- update frontend also for update functions' names
- handle error in frontend mask-editor.ts, when error getting notes then toast message shown to frontend

* extract to function & add comments & remove global
- extract function in mask-editor.ts to reduce duplicate
- remove unused global from css
- add comments to store.ts explaining usage
- changes id to noteId in lib.ts
- add comments for limitSize, becuase of duplicate implementation

* remove image_occlusion notetype
- remove from stock notetype, stdmodels
- add implementation for notetype to image occlusion
- add i18n for errors

* update smooth scroll, always show cursor tools
- change questionmask to qmask
- make selectable for shape true in all tools to simplify edits and draw shapes
- update image occlusion in reviewer ts to load image properly

* add and get notetype else return errors

* fix: not showing occlusion

* Use a oneof for ImageClozeNoteResponse

Makes it clearer that only one of them can be returned

* Don't crash if image filename not provided

The second unwrap should be ok, as the input is utf8

* Refactor get_image_cloze_note

- fixes crash when note doesn't exist - Ok(None) case was not covered
- decouples business logic from native error->proto error conversion
- no need for original copy
- field[x] is more idiomatic than field.get(x).unwrap()
- don't need mutable access to fields

* Fix crash if image file unreadable

+ Use our read_file helper for better error context

* Add metadata() helper

* Fix crash if file metadata can't be read

* remove color picker, qmask and shape color
- remove strings from ftl
- remove color picker component
- remove from cloze generation
- remove icons for two buttons
- use constant color for shapes

* update color in reviewer and ftl strings

* fix shape position in canvas & add border to shape
- rename mask to inactive shape and active shape color
- border witdth and border color
- change decimal point deserializing string and toFixed(2)
- add thin border in mask editor, may be image background was transparent

* fix shape position in canvas after modified
- do not draw fixed ratio shapes by turn of uniformScaling
- fix rectangle width,height
- fix ellipse rx,ry,width,height
- fix polygon postion and points
- draw outside of canvas also

* fix border width and color in reviewer canvas
- rename variable

* refactor cloze div generate and remove angle

* fix origin when drawn outside of canvas from right

* fix shape at boundry & not include rx,ry rectangle
- move shapes at boundry when pointer is outside of canvas
- include rx, ry for ellipse only
- include points for polygon only

* fix lint errors & update image size in editor canvas based on height and width

* remove unsupported layerX & layerX for touchscreen
- fix shapes at edges

* implemented undo redo with canvas state

- implemented undo redo using fabric canvas events
- polygon is special case and implemented only added and modified event
- rectangle and ellipse have object:added, object:modified and object:removed case
- change id to undo and redo

* remove background image from canvas and used css to put image tag below canvas editor

- set image width and height after adding image

* fix for polygon points, add br in cloze strings, & toogle masks button

- fix shapes at edges
- toggle masks button to show/hide masks
- hide clozes string, it contains <br>
- set height for div container (used 'relative' in css)

* refactor top toolbar, add space and border radius
- rename cursor tools
- add left and right border

* fix undo after undo happen, use transparent color in draw mode
2023-03-29 12:33:19 +10:00
Damien Elmes
96a9dba67d Ensure svelte changes trigger dprint run 2023-01-23 20:45:55 +10:00
Damien Elmes
ded805b504
Switch Rust import style (#2330)
* Prepare to switch Rust import style

* Run nightly format

Closes #2320

* Clean up a few imports

* Enable comment wrapping

* Wrap comments
2023-01-18 21:39:55 +10:00
Damien Elmes
0ebe70fe23 Bump Mathjax version 2022-12-04 18:01:26 +10:00
Damien Elmes
5e0a761b87
Move away from Bazel (#2202)
(for upgrading users, please see the notes at the bottom)

Bazel brought a lot of nice things to the table, such as rebuilds based on
content changes instead of modification times, caching of build products,
detection of incorrect build rules via a sandbox, and so on. Rewriting the build
in Bazel was also an opportunity to improve on the Makefile-based build we had
prior, which was pretty poor: most dependencies were external or not pinned, and
the build graph was poorly defined and mostly serialized. It was not uncommon
for fresh checkouts to fail due to floating dependencies, or for things to break
when trying to switch to an older commit.

For day-to-day development, I think Bazel served us reasonably well - we could
generally switch between branches while being confident that builds would be
correct and reasonably fast, and not require full rebuilds (except on Windows,
where the lack of a sandbox and the TS rules would cause build breakages when TS
files were renamed/removed).

Bazel achieves that reliability by defining rules for each programming language
that define how source files should be turned into outputs. For the rules to
work with Bazel's sandboxing approach, they often have to reimplement or
partially bypass the standard tools that each programming language provides. The
Rust rules call Rust's compiler directly for example, instead of using Cargo,
and the Python rules extract each PyPi package into a separate folder that gets
added to sys.path.

These separate language rules allow proper declaration of inputs and outputs,
and offer some advantages such as caching of build products and fine-grained
dependency installation. But they also bring some downsides:

- The rules don't always support use-cases/platforms that the standard language
tools do, meaning they need to be patched to be used. I've had to contribute a
number of patches to the Rust, Python and JS rules to unblock various issues.
- The dependencies we use with each language sometimes make assumptions that do
not hold in Bazel, meaning they either need to be pinned or patched, or the
language rules need to be adjusted to accommodate them.

I was hopeful that after the initial setup work, things would be relatively
smooth-sailing. Unfortunately, that has not proved to be the case. Things
frequently broke when dependencies or the language rules were updated, and I
began to get frustrated at the amount of Anki development time I was instead
spending on build system upkeep. It's now about 2 years since switching to
Bazel, and I think it's time to cut losses, and switch to something else that's
a better fit.

The new build system is based on a small build tool called Ninja, and some
custom Rust code in build/. This means that to build Anki, Bazel is no longer
required, but Ninja and Rust need to be installed on your system. Python and
Node toolchains are automatically downloaded like in Bazel.

This new build system should result in faster builds in some cases:

- Because we're using cargo to build now, Rust builds are able to take advantage
of pipelining and incremental debug builds, which we didn't have with Bazel.
It's also easier to override the default linker on Linux/macOS, which can
further improve speeds.
- External Rust crates are now built with opt=1, which improves performance
of debug builds.
- Esbuild is now used to transpile TypeScript, instead of invoking the TypeScript
compiler. This results in faster builds, by deferring typechecking to test/check
time, and by allowing more work to happen in parallel.

As an example of the differences, when testing with the mold linker on Linux,
adding a new message to tags.proto (which triggers a recompile of the bulk of
the Rust and TypeScript code) results in a compile that goes from about 22s on
Bazel to about 7s in the new system. With the standard linker, it's about 9s.

Some other changes of note:

- Our Rust workspace now uses cargo-hakari to ensure all packages agree on
available features, preventing unnecessary rebuilds.
- pylib/anki is now a PEP420 implicit namespace, avoiding the need to merge
source files and generated files into a single folder for running. By telling
VSCode about the extra search path, code completion now works with generated
files without needing to symlink them into the source folder.
- qt/aqt can't use PEP420 as it's difficult to get rid of aqt/__init__.py.
Instead, the generated files are now placed in a separate _aqt package that's
added to the path.
- ts/lib is now exposed as @tslib, so the source code and generated code can be
provided under the same namespace without a merging step.
- MyPy and PyLint are now invoked once for the entire codebase.
- dprint will be used to format TypeScript/json files in the future instead of
the slower prettier (currently turned off to avoid causing conflicts). It can
automatically defer to prettier when formatting Svelte files.
- svelte-check is now used for typechecking our Svelte code, which revealed a
few typing issues that went undetected with the old system.
- The Jest unit tests now work on Windows as well.

If you're upgrading from Bazel, updated usage instructions are in docs/development.md and docs/build.md. A summary of the changes:

- please remove node_modules and .bazel
- install rustup (https://rustup.rs/)
- install rsync if not already installed  (on windows, use pacman - see docs/windows.md)
- install Ninja (unzip from https://github.com/ninja-build/ninja/releases/tag/v1.11.1 and
  place on your path, or from your distro/homebrew if it's 1.10+)
- update .vscode/settings.json from .vscode.dist
2022-11-27 15:24:20 +10:00