feat(cli): oa init detects TanStack Start and writes its root route - #5
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe CLI now detects TanStack React Start and Solid Start projects, injects the analytics script into supported root routes, and reports errors for unsupported layouts. Tests cover detection, injection, idempotency, errors, and syntax. Documentation describes setup and verification. ChangesTanStack Start support
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The CLI now detects and configures TanStack Start, but the installation guide can misdirect Solid users and omit valid JavaScript and app/routes setups. The PR is mergeable with explicit owner awareness and follow-up on these documentation corrections. Sequence Diagram(s)sequenceDiagram
participant PackageJson as package.json
participant Detect as Framework detection
participant Dispatcher as Injector dispatcher
participant RootRoute as TanStack Start root route
PackageJson->>Detect: Read TanStack Start dependency
Detect->>Dispatcher: Select tanstack-start
Dispatcher->>RootRoute: Inject analytics script
RootRoute-->>Dispatcher: Return installation result
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🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@apps/cli/src/init/injectors.ts`:
- Around line 304-345: Scope the injector’s searches to the root-route
initializer identified by the `export const Route = createRootRoute...`
declaration, rather than scanning the entire file or using the first
`createRootRoute` occurrence. Update the `head` and `scripts` detection and
no-head insertion paths to operate only within that root-route options object,
and add fixtures covering preceding helper `head` properties and `({` calls.
In `@apps/web/lib/docs-frameworks.ts`:
- Around line 118-119: Update the TanStack Start entry’s root-route
documentation around the existing caption fields to list all supported
root-route extensions (.tsx, .jsx, .js, and .ts) and document the app/routes/
fallback location, replacing the single src/routes/__root.tsx example.
- Around line 102-103: Update the example import to use the Solid Start router
package, `@tanstack/solid-router`, instead of `@tanstack/react-router`;
alternatively, provide distinct React and Solid variants while preserving the
existing example structure.
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apps/cli/src/init/detect.tsapps/cli/src/init/injectors.tsapps/web/app/docs/cli/page.tsxapps/web/lib/docs-frameworks.tstests/unit/cli-init-tanstack-start.test.ts
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This is a careful PR, thank you. The injector follows the house pattern (text edit, indentation-anchored, named errors), the test file covers the three shapes plus idempotence, and running every written file through ts.transpileModule is exactly the right backstop for a parserless edit. Detection precedence over the generic Vite+React question is correct, and sharing one injector with the Solid flavour makes sense given the identical root-route shape. One change before merge, taking the offer from your own "look at twice" note: make the head() method-shorthand case refuse instead of falling through. As written, Considered and fine as is: the scripts: search running from head() to end of file could in theory match a different option's array, but a __root file realistically has one, and bounding it properly would mean the parser we are deliberately not adding. Sequence: #3 goes in first, this one rebases, and the guard lands here. The CLI change reaches users with the next npm release, which we cut separately. |
Detection reads @tanstack/react-start (or solid-start) from package.json,
asked before the generic Vite-plus-React question so a Start project is
not misfiled as "React (Vite)". The injector edits src/routes/__root.tsx
(or app/routes/) by text, anchored on the file's own indentation as the
Nuxt one is: the tag joins an existing head() scripts array, opens one in
a head() that has none, or arrives as a whole head() when the root route
declares none — createRootRouteWithContext<T>()({ included. Idempotent
on /oa.js; a missing file or anchor is an error that names what was
looked for.
First tests for detect/inject: the three root-route shapes, the
app/routes fallback, idempotence, both errors, and every written file
parsed by TypeScript so a misplaced brace fails here and not in the
person's build. The install guide flips to cliDetects: true and the CLI
page's detected-frameworks sentence follows.
Known limit, kept rather than hidden: a head() written as method
shorthand (head() { return {…} }) is not recognised and would gain a
second head:. No Start starter writes it that way.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The head() search ran over the whole file and the no-head path anchored
on the first "createRootRoute" string — the import line — then took the
first "({" after it. A helper above the Route with a head() of its own,
or any earlier "({" call, would have caught the edit. Now the options
object is found from the "Route = createRootRoute…" declaration (falling
back to the first call not on an import line), its extent is brace-
matched past strings and comments, and head(), its scripts array, and
the no-head insertion all work inside that range. Unbalanced input is a
refusal naming the file, not a guess.
Two fixtures pin it — a helper head() above the Route, and an earlier
({ call — both of which fail against the previous injector.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Review on OpenLabs-so#5: a head() written as method shorthand fell through to the no-head branch and gained a second `head:`. The injected one came first, so the person's own won and the script silently never loaded — the one outcome an installer must not have. Any head declared in a form other than `head: () => ({ … })` — method shorthand, block body, a named function — is now an InjectError naming the file and pointing at the TanStack Start install guide, the way the other injectors fail. The guide also says the Solid flavour imports the same shape from @tanstack/solid-router, since detection covers it. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Thanks — done, and rebased onto The guard (e6ddf7e): any Also took CodeRabbit's scoping finding (13ffa17) since it was real: the no-head path was anchoring on the import line's |
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Merged, thank you! The guard and the scoping fix both landed exactly right. This ships to npm with the next CLI release; TanStack Start users get |
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getopen 0.4.0 is live on npm with your TanStack Start support included; |
2 participants
Closes #4. Rebased onto
mainafter #3 merged; three commits: the feature, the injector-scoping fix from CodeRabbit's review, and thehead()guard from @Uaghazade1's.What this changes, and why
npx getopen initin a TanStack Start project misfiled it as "React (Vite / CRA)" — Start is a Vite app withreactin its dependencies — and then failed looking for anindex.htmlStart doesn't have. Now:detect.tsanswerstanstack-startfrom@tanstack/react-start(or@tanstack/solid-start) inpackage.json, asked before the generic Vite-plus-React question.injectors.tsgainsinjectTanStackStart: locates the root route's options object from theRoute = createRootRoute…declaration (falling back to the first call not on an import line), brace-matches its extent past strings and comments, and edits only inside it — the same text-anchored, indentation-matching style as the Nuxt injector, no parser. Three shapes: the tag joins an existinghead()scriptsarray as its first entry; opens one in ahead()that has none; or arrives as a wholehead: () => ({ scripts: [...] })when the root route declares none (createRootRouteWithContext<T>()({included). Idempotent on/oa.js. Aheadin any form the arrow-object edit cannot see (method shorthand, block body, a named function) is anInjectErrorpointing at the manual guide — never a secondhead:that the person's own would shadow. A missing file, or options object that cannot be found or closed, is likewise an error naming what was looked for.cliDetects: true(the page leads with "The short way:npx getopen init"), notes the Solid flavour imports the same shape from@tanstack/solid-router, and the CLI docs page's detected-frameworks sentence lists TanStack Start.How you know it works
tests/unit/cli-init-tanstack-start.test.ts(new;detect/injecthad no tests before) — 14 cases: detection incl. precedence over Vite+React and the Solid flavour; all three injection shapes; a helperhead()above the Route and an earlier({call (both fail against the unscoped injector); theapp/routesfallback; idempotence; the method-shorthand / named / block-bodyheadrefusals; the missing-file and no-anchor errors. Every written file is run throughts.transpileModuleand asserted diagnostic-free.--framework, write, "Already installed" on rerun; a fixture with a helperhead()and an({arrow above the Route edits only the Route; a method-shorthandhead()prints the refusal, exit 1, file untouched.pnpm run verifypasses.Anything a reviewer should look at twice
closingBrace()is a ~40-line scanner that steps over string/template literals and comments — the minimum needed to bound the options object without a parser. A template literal containing a nested backtick inside${}would fool it; that is refused (unbalanced → error), not mis-edited.head()shape).FrameworkIdgrew a member;inject()'sswitchhas no default, so the compiler enforced the new case.pnpm run verifypasses locallypackages/contracts/openapi/openapi.yamlandpnpm run contracts:generatewas re-run — n/a, no API changepnpm run tracker:build) — n/a, no tracker change (verify ran it anyway: within budget)🤖 Generated with Claude Code
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New Features
Documentation