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Graph/query-params-type-mismatch

Pattern

Query/Params Type Mismatch

query-params-type-mismatch

Query parameter and route params get treated as the wrong runtime shape—strings, arrays, JSON blobs, or missing dynamic params—so handlers read undefined or misparsed values and tests/ESM evaluation fail before stubs take effect.

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Updated5/30/2026

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30 linked nodes

error message `Argument of type 'string' is not assignable to parameter of type 'never'` — from `createLazyFileRoute` function. Tension: Vscode keeps showing error message. Outcome: This code snippet was copied from Tanstack Router - Quick Start.

Cannot create property 'exact' on string 'todos' TypeError — const queryData = queryClient.getQueryData('todos'). Outcome: The error Im getting noe is: `Cannot create property 'exact' on string 'todos' TypeError: Cannot create property 'exact' on string 'todos'`.

Bad argument type. Starting with v5, only the "Object" form is allowed when calling query related functions. — useQuery(['users'], async() => {. Tension: Please use the error stack to find the culprit call.

TS2339: Property 'pageParam' does not exist on type '{ queryKey: QueryKey; signal: AbortSignal; meta: Record<string, unknown> | undefined; }' — const queryFn: QueryFunction<Awaited<ReturnType>> = ({pageParam}) =>. Tension: i have this code. in v5 tanstack i get problem with. in v4 is not have this problem.

useQuery returns undefined because no queryKey is passed

when it tries to read a F — in my `/api/stripe-connect/route.ts` file. Tension: i thought i had to specify the key type to, but it did not work. Outcome: according to next js docs you only have the req parameter.

During the Next.js 15 build on Vercel, TypeScript reports that the dynamic route page component’s `PageProps.params` type does not match the framework’s expected type because it is expecting `params` to be a `Promise`.

In an Angular 18 SSR app with i18n, direct URL access to parameterized routes (e.g., /en/items/12345) returns a 404, while in-app navigation via the router works correctly.

objects seem to be assumed to arrive in the body in `fastapi` — I'm trying to receive a nontrivial query parameter object. Tension: I've had to do something like this on the server. Outcome: it would be nice for `fastapi` to do this for me directly in the function declaration.

The route responds with a 422 Unprocessable Entity status code. — if the function declares the input parameter with `Annotated` and `Depends`. Tension: I am unable to run the tests with `pytest`. Outcome: The Main issue remains unsolved.

"type":"missing","loc":["query","name"]. Tension: The query will return None and FastApi will fail to validate that parameter is a Person object. Outcome: Any post request to the endpoint /post_with_dependency will indeed return a 422 Unprocessable Entity error.

error: could not determine data type of parameter [REDACTED] — Extended a Postgres SQL query in TypeScript (pg driver) to support optional filters. Outcome: Result: `error: could not determine data type of parameter [REDACTED]` on query execution.

Prisma queries fail with payload must be of type Object

i get an error that params is null. — const gameCode = params.gameCode; // error here. Tension: I tried multiple methods, but no one worked.

In a Next.js App Router page, the user needs the raw query parameters string (e.g., "param1=lorem&param2=ipsum...") inside a component.

In a Next.js 14 dynamic API route (`api/posts/[postSlug]/route.js`), the user cannot access the `postSlug` value to query the database. The handler only receives `request` and not the dynamic parameter.

The user gets TypeScript/logic issues when trying to return Firestore data formatted for an RTK Query `createEntityAdapter`, especially while attempting to use both `queryFn` and `transformResponse`. The endpoint also fails because `queryFn`/return shape expectations conflict with how `transformResponse` is meant to operate.

TypeScript type checking fails or behaves incorrectly when wiring Redux Toolkit `builder.addCase(...)` handlers for `findGoals` and `findSchedule`, especially around the `data` payload type and `action` typing.

RTK Query mutation query receives the wrong argument shape for updateUser

In an RTK Query endpoint, the request should include query parameters only when their values are not null, but optional params are being added unconditionally or require repetitive manual checks.

if any parameter values also contain single quotes — requests that use single quotes. Tension: those must be double escaped. Outcome: you can replace single quotes by double single quotes until the bug is fixed.

Storybook conditional controls that are hidden based on another arg do not update the underlying args store, leading to an invalid props/type state (TypeScript invariant break). Saving changes also fails to preserve the component prop type interface, where `undefined` values cannot be reliably serialized/merged.

A React Router DOM route needs a partially static path segment `/property-in-cityName/` where only `cityName` is dynamic, but entering `/property-in-newyork/` returns 404. Attempts to use a route like `/property-in-:cityName/` match incorrectly and `useParams()` yields `undefined`.

Jest encountered an unexpected token. Tension: query-string v9 or latest. Outcome: downgrading to v7 solved it.

Calling useParams() in a Next.js page that uses a dynamic route ([gameCode]) returns null and accessing params.gameCode throws an error.

org.hibernate.query.QueryTypeMismatchException: Specified result type — I moved a Hibrenate implementation to another project. From com.mvc.data to com.mvc.frontend. Tension: Notice that it's the same type. Outcome: So the problem was that I was using spring-boot-devtools which has a restart function.

SyntaxError: positional argument follows keyword argument. Tension: you can not place positional parameters after keyword ones.

every mocked fetch test short-circuited with a missing API-key error — web-search handler tests that stubbed an API-key environment variable. Tension: ESM imports are evaluated before the test's stub took effect.

the execute handler receives p.params as undefined or {} — The inErrata OpenClaw plugin registers a meta-tool with `params: Type.Optional(Type.Any())`. Tension: All 27 verbs that depend on params are broken: burst gets "requires query or seed_id", send_message gets ZodError on toHandle/body, etc.

parent INSERT and the findings INSERT must be in the same transaction — existing public/staff Hono routes that previously wrote raw user input directly to Postgres. Outcome: route handlers blow up with "values is not a function" during tests.

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