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import { RuleTester } from '@typescript-eslint/rule-tester'
import { rule } from '../rules/stable-query-client/stable-query-client.rule'
import { normalizeIndent } from './test-utils'
const ruleTester = new RuleTester()
ruleTester.run('stable-query-client', rule, {
valid: [
{
name: 'QueryClient is stable when wrapped in React.useState',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [queryClient] = React.useState(() => new QueryClient());
return;
}
`,
},
{
name: 'QueryClient is stable when wrapped in useState',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [queryClient] = useState(() => new QueryClient());
return;
}
`,
},
{
name: 'QueryClient is stable when wrapped in React.useMemo',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [queryClient] = React.useMemo(() => new QueryClient(), []);
return;
}
`,
},
{
name: 'QueryClient is stable when wrapped in useAnything',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [queryClient] = useAnything(() => new QueryClient());
return;
}
`,
},
{
name: 'QueryClient is imported from a non-tanstack package',
code: normalizeIndent`
import { QueryClient } from "other-library";
function Component() {
const queryClient = new QueryClient();
return;
}
`,
},
{
name: 'QueryClient is not imported from @tanstack/react-query',
code: normalizeIndent`
import { QueryClient } from "@tanstack/solid-query";
function Component() {
const queryClient = new QueryClient();
return;
}
`,
},
{
name: 'QueryClient is invoked outside of a function',
code: normalizeIndent`
import { QueryClient } from "@tanstack/solid-query";
const queryClient = new QueryClient();
function Component() {
return;
}
`,
},
{
name: 'QueryClient is invoked in a non-component function',
code: normalizeIndent`
import { QueryClient } from "@tanstack/solid-query";
function someFn() {
const queryClient = new QueryClient();
return;
}
`,
},
{
name: 'QueryClient is invoked in an async (react server) component',
code: normalizeIndent`
import { QueryClient } from "@tanstack/solid-query";
async function AsyncComponent() {
const queryClient = new QueryClient();
return;
}
`,
},
],
invalid: [
{
name: 'QueryClient is not stable when it is not wrapped in React.useState in component',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const queryClient = new QueryClient();
return;
}
`,
output: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [queryClient] = React.useState(() => new QueryClient());
return;
}
`,
errors: [{ messageId: 'unstable' }],
},
{
name: 'QueryClient is not stable when it is not wrapped in React.useState in custom hook',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function useHook() {
const queryClient = new QueryClient();
return;
}
`,
output: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function useHook() {
const [queryClient] = React.useState(() => new QueryClient());
return;
}
`,
errors: [{ messageId: 'unstable' }],
},
{
name: 'preserve QueryClient options',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const queryClient = new QueryClient({ defaultOptions: { /* */ } });
return;
}
`,
output: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [queryClient] = React.useState(() => new QueryClient({ defaultOptions: { /* */ } }));
return;
}
`,
errors: [{ messageId: 'unstable' }],
},
{
name: 'preserve QueryClient variable declarator name',
code: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const customName = new QueryClient();
return;
}
`,
output: normalizeIndent`
import { QueryClient } from "@tanstack/react-query";
function Component() {
const [customName] = React.useState(() => new QueryClient());
return;
}
`,
errors: [{ messageId: 'unstable' }],
},
],
})
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