Add a zero-tolerance TypeDoc documentation gate - #110
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WalkthroughAdd a strict TypeDoc documentation gate. Document public source declarations. Run the gate through package scripts, Make, CI, and configuration tests. ChangesTypeDoc documentation gate
Poem
Merge Risk: ⚪ Minimal · up to The documentation gate configuration, wiring, and coverage changes do not leave a concrete merge-blocking risk. 🚥 Pre-merge checks | ✅ 14 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (14 passed)
Full details: Developer DocumentationExplanation Fail: document the changed provider API in Resolution Add a provider API section to Comment |
Prepare for a zero-tolerance TypeDoc documentation gate: add JSDoc to the nineteen declarations TypeDoc flags across the app shell, the display-mode provider, the observability logger, the application state machine unions, and the root props. Reflow the state-machine union members to multiline so each variant's discriminant can carry its own comment (shapes unchanged), and convert the two application barrel headers from `@file` (unknown to TypeDoc) to the `@module` form.
Add `docs:check` to the `test:all` aggregate (after `check:types`) and expose it as `make docs-check`: TypeDoc's `notDocumented` validation over `src` (`entryPointStrategy: "expand"`, `emit: "none"`, validation warnings as errors), configured by `typedoc.json` with a scoped `tsconfig.typedoc.json` (`skipLibCheck`, `src` only — the repository's `check:types` passes `--skipLibCheck` on the command line, which TypeDoc cannot see). Generated declarations, `*.gen.*`, `__generated__`, tests, and fixtures are excluded. The gate requires 100% documentation of the surface, reports the qualified name of each undocumented declaration, and writes no artefacts. The semantic-lint workflow gains a `bun run docs:check` step so CI reaches the gate. Also bump the stale transitive `playwright-core` from 1.59.1 to 1.61.1 so it deduplicates against `playwright@1.61.1` — the duplicated package made `check:types` (and therefore `test:all`) fail before this branch.
The gate shipped with `notDocumented` alone; the link, path, rewritten-link,
export and merge-module validations were off, so a `{@link}` that resolved to
nothing and a type that appeared in an exported signature without being
exported both passed. Zero tolerance means all of them.
Turning them on exposed three real defects. `DisplayModeContextValue` and
`ThemeContextValue` are the return types of the exported `useDisplayMode` and
`useTheme` hooks, but were file-local, so a caller could not name what the
hook returned and the `{@link}` in each hook's own comment did not resolve.
Both are now exported and documented member by member, along with `ThemeName`
and the `AVAILABLE_THEMES` constant it is derived from.
A gate that nothing invokes is not a gate, and the invocation is the part a future edit is most likely to lose. `tests/docs-gate.config.test.ts` parses the semantic-lint workflow, `package.json`, the Makefile, `bun.lock` and `typedoc.json`, and asserts the command `bun run docs:check` is reached from each of the three entry points, unconditionally in CI. The assertions match the invoked command, never a step or target name, so renaming prose cannot satisfy them. Mutation-tested five ways: deleting the workflow step, giving that step an `if:`, gutting the Make recipe, dropping `docs:check` from `test:all`, and disabling `notDocumented` each fail exactly one test; restoring each returns the suite to green.
Record what the gate checks (undocumented exports, types referenced but not exported, broken references), what it excludes, how to run it locally through `make docs-check`, and how to document an export, including that interface members each need their own comment. The commit-gate list and the CI pipeline sequence gain the gate, and the CI section names the contract that keeps the step in place.
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Actionable comments posted: 5
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Inline comments:
In `@docs/developers-guide.md`:
- Line 90: Update the paragraph around the TypeDoc configuration statement:
remove the comma before “because” and wrap the text so each line stays within 80
columns, preserving the existing wording and meaning.
In `@src/application/index.ts`:
- Line 2: Restore the required `@file` header entry in src/application/index.ts
and src/application/machines/index.ts at the barrel headers, while retaining
each existing `@module` entry.
In `@tests/docs-gate.config.test.ts`:
- Around line 53-54: Scope the workflow assertion to the lint job by reading
workflow.jobs["lint"], assert that the job exists, and inspect only its steps
when finding DOCS_CHECK_COMMAND; replace the current
Object.values(workflow.jobs) aggregation while preserving the existing gate-step
assertion.
- Around line 87-89: Update the assertions for config.validation and
config.requiredToBeDocumented to compare their complete contents against
explicit expected sets, rather than only checking disabled entries and the
presence of “Interface”. Ensure the test fails when validation keys or required
documentation categories are removed.
In `@typedoc.json`:
- Line 18: Update the TypeDoc configuration used by docs:check so
validation.rewrittenLink is actually enforced by rendering documentation to a
temporary ignored output directory, then clean up that directory; alternatively
remove rewrittenLink from required validations and update the related
documentation and tests accordingly.
After applying the fix, consider running `coderabbit review --agent` for local
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📒 Files selected for processing (16)
.github/workflows/semantic-lint.ymlMakefiledocs/developers-guide.mdpackage.jsonsrc/app/layout/mobile-shell.tsxsrc/app/observability/logger.tssrc/app/providers/display-mode-provider.tsxsrc/app/providers/theme-provider.tsxsrc/app/routes/app-routes.tsxsrc/application/index.tssrc/application/machines/app.machine.tssrc/application/machines/index.tssrc/main.tsxtests/docs-gate.config.test.tstsconfig.typedoc.jsontypedoc.json
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Five findings, all valid. `validation.rewrittenLink` is switched off. TypeDoc emits that warning from the HTML renderer while resolving page URLs, so under `emit: "none"` it never runs; enabling it claimed an enforcement the gate did not perform. The case it describes, a link to a symbol with no page of its own, is caught in the validation phase by `notExported`. The other four validations do run there (`Application.validate` dispatches `notExported`, `notDocumented`, `invalidLink` and `invalidPath` before any renderer exists). The two application barrels get their `@file` headers back alongside `@module`, and `typedoc.json` registers `@file` in `blockTags`, without which every module header in the repository warns as an unknown block tag. The workflow assertion now selects the `lint` job rather than flattening every job's steps, so a gate step in an unrelated job cannot satisfy it. The policy assertions compare the whole `validation` and `requiredToBeDocumented` sets against expected values, so removing a key can no longer restore a TypeDoc default unnoticed, and the block-tag registration is asserted too. The guide gains the `rewrittenLink` reasoning and the `@file`/`@module` rule, and the paragraph CodeRabbit flagged is rewrapped with the comma before the essential `because` clause removed.
The wiring contract proved the gate is invoked; nothing proved it decides
correctly, so the manual mutation runs were the only evidence that it fails
on an undocumented export.
`tests/docs-gate.behaviour.test.ts` runs the real TypeDoc binary under this
repository's own `typedoc.json`, redirected at a throwaway project, and
asserts each direction: a documented surface in the house style passes and
leaves no file behind, and an undocumented export, an unexported type
referenced by an exported signature, and an unresolvable `{@link}` each fail
and name the symbol. The fixture reads the policy from `typedoc.json` rather
than restating it, so the test cannot drift from the gate.
The fixture needs its own `package.json`: TypeDoc resolves a symbol's owning
package from the nearest one, and without it the `notExported` validation
never fires.
`tests/provider-context.types.test.ts` pins the API the gate turned into
public exports. `DisplayModeContextValue`, `ThemeContextValue`, `ThemeName`
and `AVAILABLE_THEMES` are now nameable by callers, so the hooks' return
types, the theme union's derivation from the shipped list, and the rejection
of values outside each union are asserted at compile time.
The wiring contract also gained the rest of the TypeDoc surface: entry points,
entry-point strategy, tsconfig, comment style, the exclusion list and the four
`exclude*` switches. Narrowing the entry points would otherwise pass every
policy check while documenting nothing.
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@coderabbitai Responding to the three failed pre-merge rows, all of which are now addressed on cd5b51e. Testing (Overall) — Error. Two parts. The workflow assertion no longer flattens every job's steps; it selects Testing (Unit And Behavioural) — Error. Agreed, and this was the real gap: nothing proved the gate decides correctly, only that it is invoked.
The fixture reads the policy from Testing (Compile-Time / Ui) — Warning. Taken rather than dismissed, since these exports are new public API created by this pull request. Local gates on cd5b51e, run sequentially and unfiltered: |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
printf '%s\n' '--- relevant files ---'
fd -a -t f -E node_modules -E dist \
'^(docs-gate\.(config|behaviour)\.test|provider-context\.types\.test)\.ts$|^(typedoc\.json|tsconfig\.typedoc\.json|package\.json|Makefile|semantic-lint\.yml)$' \
. | sort
printf '%s\n' '--- outlines ---'
for file in \
tests/docs-gate.config.test.ts \
tests/docs-gate.behaviour.test.ts \
tests/provider-context.types.test.ts
do
if [ -f "$file" ]; then
printf '\n### %s\n' "$file"
ast-grep outline "$file" --items all || true
fi
done
printf '%s\n' '--- configuration and test excerpts ---'
for file in \
.github/workflows/semantic-lint.yml \
Makefile \
package.json \
typedoc.json \
tsconfig.typedoc.json \
tsconfig.json \
tests/docs-gate.config.test.ts \
tests/docs-gate.behaviour.test.ts \
tests/provider-context.types.test.ts
do
if [ -f "$file" ]; then
printf '\n### %s\n' "$file"
cat -n "$file"
fi
doneLength of output: 32300
The updated configuration test verifies the The behavioural test verifies both passing and failing TypeDoc cases with the repository policy. It also verifies that the non-emitting gate produces no files. The compile-time test pins the new provider-context public API. The inspected changes support the reported local gate results. ✏️ Learnings added
🧠 Learnings usedYou are interacting with an AI system. |
`treatValidationWarningsAsErrors` covers only the warnings TypeDoc raises from its validation phase. Everything else, an unknown block tag most obviously, warned and still exited zero, which is how `@file` produced a warning on every module header without anyone noticing. `typedoc.json` now also sets `treatWarningsAsErrors`, and the repository's surface passes with it. The two switches are layered rather than duplicated: relaxing the broader one leaves the validation guarantee standing, so the contract asserts both. Behaviourally the broader one subsumes the narrower, so only the contract can protect the narrower; that is why it is asserted rather than merely present. `tests/docs-gate.behaviour.test.ts` gains the unknown-block-tag case and tightens the broken-link case to match TypeDoc's message rather than only the symbol name. Because the fixture reads its policy from `typedoc.json`, each of `notDocumented`, `notExported`, `invalidLink`, `treatWarningsAsErrors` and `emit` fails exactly one case when switched off, which is what proves the test reads the repository's settings rather than a copy of them. The Makefile assertion now targets the rule it serves. A leading `-` tells Make to ignore the command's exit status, turning the target into a no-op that still reports success, so recipe lines carrying one fail the contract. A leading `@` only silences the echo and is used elsewhere in this Makefile, so it is stripped before the comparison rather than rejected.
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@coderabbitai review |
✅ Action performedReview finished.
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The documentation gate turned `DisplayModeContextValue`, `ThemeContextValue`, `ThemeName` and `AVAILABLE_THEMES` into exports, because a caller could not otherwise name what `useDisplayMode` and `useTheme` return. That changed the providers' public interface, and the developers' guide did not describe it. A "Provider APIs" section under theme conventions now lists each export and what it is for, and records the behaviour a caller has to know: read `AVAILABLE_THEMES` rather than hard-coding theme identifiers, an unrecognized stored theme is discarded and the default reapplied, the display mode resolves from storage first and the 768 pixel viewport breakpoint second, `hasUserPreference` distinguishes an inferred mode from a chosen one, and storage failures are logged and swallowed so a browser with storage disabled degrades to viewport-driven behaviour.
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@coderabbitai The one remaining row, Developer Documentation, is addressed on c532344 rather than dismissed. The row is right that this pull request changed the providers' public interface: the documentation gate is what forced
Gates on c532344, run sequentially and unfiltered: |
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Tip For best results, initiate chat on the files or code changes.
The new “Provider APIs” section documents the public provider contract and its runtime behaviour. It covers ✏️ Learnings added
You are interacting with an AI system. |
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Merging on the following evidence, recorded here so the decision is auditable rather than inferred from timestamps.
CodeRabbit has auto-paused this branch, so no incremental review will advance the covered commit past a documentation-only change. Requeuing a review for a guide section that the reviewer has already confirmed addressed would cost another queue slot for no additional information. Merging with |
2 participants
Summary
This branch adds a zero-tolerance TypeDoc documentation gate to the
test:allaggregate, tomake docs-check, and to the semantic-lint CIjob. TypeDoc runs over
src(entryPointStrategy: "expand") withemit: "none"and validation warnings treated as errors, so it writesno artefacts and exists only to pass or fail. Every validation TypeDoc
offers is switched on: undocumented exported declarations, types
referenced by an exported signature but not exported themselves, and
unresolved or rewritten
{@link}references all fail the gate, whichnames the qualified symbol responsible.
Rebase
Rebased onto
mainon 2026-09-07. The pre-rebase head was9923f1e893c72cb7b2432209de1fd81a9af1b716; the user's two commits arepreserved and every later commit is additive.
Two conflict resolutions are worth naming:
playwright-core@1.59.1that brokecheck:typesin July is gone frommain, which now resolvesplaywright-core@1.62.1besideplaywright@1.62.1. Theplaywright-coredependency the second commit added is thereforedropped; its commit message still describes the bump.
.github/workflows/semantic-lint.ymlgained a runner contract stepand
astral-sh/setup-uv@v10.0.1onmain(Move CI jobs from the Namespace profile to ubuntu-latest #238). Both are kept, andthe gate step is added after them.
What changed after the rebase
invalidLink,invalidPath,rewrittenLink,notExportedandunusedMergeModuleWithwere off.Turning them on exposed three real defects:
DisplayModeContextValueandThemeContextValueare the return typesof the exported
useDisplayModeanduseThemehooks but werefile-local, so callers could not name what the hooks return and the
{@link}in each hook's own comment did not resolve. Both are nowexported and documented member by member, along with
ThemeNameandAVAILABLE_THEMES.tests/docs-gate.config.test.tsasserts that the command
bun run docs:checkis reached from thetest:allaggregate, thedocs-checkMake target, and anunconditional step in the
lintjob ofsemantic-lint.yml, thattypedocis pinned to0.28.20inbun.lock, and that the entrypoints, exclusions, validation map, required kinds and block tags all
match expected sets. It matches the invoked command, never a step or
target name.
tests/docs-gate.behaviour.test.tsruns the real TypeDoc binary underthis repository's
typedoc.json, redirected at a throwaway project,and asserts that a documented surface passes and writes nothing, and
that an undocumented export, an unexported referenced type, an
unresolvable
{@link}and an unknown block tag each fail and name thesymbol. The fixture reads its policy from
typedoc.jsonrather thanrestating it, so switching off
notDocumented,notExported,invalidLink,treatWarningsAsErrorsoremitthere makes exactlyone case fail.
treatValidationWarningsAsErrorscovers only TypeDoc's validationphase, so an unknown block tag warned and still exited zero. That is
how
@filewarned on every module header unnoticed.typedoc.jsonnow also sets
treatWarningsAsErrors. The two are layered rather thanduplicated: relaxing the broader one leaves the validation guarantee
standing, and because the broader subsumes the narrower behaviourally,
only the contract can protect the narrower. Both are asserted.
tests/provider-context.types.test.tspins the hooks' return types,the derivation of
ThemeNamefromAVAILABLE_THEMES, and rejectionof values outside either union.
validation.rewrittenLinkis off, deliberately. TypeDoc emits itfrom the HTML renderer while resolving page URLs, so under
emit: "none"it can never fire. The case it describes is caught inthe validation phase by
notExported. The guide records thereasoning and the contract asserts the whole validation map.
@fileis registered inblockTags. The two applicationbarrels keep their
@fileheaders alongside@module; without theregistration TypeDoc warns on every module header.
docs/developers-guide.mddocuments what the gatechecks, what it excludes, how to run it locally, and how to document
an export, including that interface members each need their own
comment.
Validation
Run sequentially on
0bb0b22, all green:make check-fmt,make lint,make typecheck,make docs-check,make test(134 pass, 0 fail),make spelling,bun semantic(0 findings),bun run lint:ftl-vars,bun run test:a11y(2 pass),bunx markdownlint-cli2,bunx nixie,mbake validate Makefile.Mutation evidence:
AVAILABLE_THEMESmakesbun run docs:checkexit 4 naming thesymbol; restoring it returns the gate to green.
if:, gutting the Make recipe, prefixing it with-, droppingdocs:checkfromtest:all, disablingnotDocumented, removing theinvalidLinkkey, droppingInterfacefrom the required kinds,unregistering
@file, and removingtreatWarningsAsErrorseach failexactly one test. Prefixing the recipe with
@passes, because thatonly silences the echo and other targets in the same Makefile use it.
Notes
Replace docstring-coverage with a zero-tolerance TypeDoc gate df12-build#62, Replace the docstring audit with a zero-tolerance TypeDoc gate dakar#5, Add a zero-tolerance TypeDoc documentation gate digitalpuddle#47, and
Add a zero-tolerance TypeDoc documentation gate simulacat-core#58).
Summary by Sourcery
Enforce complete, warning-free TypeDoc coverage for the documented source surface across local checks, aggregate tests, and CI.
New Features:
Bug Fixes:
Enhancements:
Build:
CI:
Documentation:
Tests: