name: typed-routes\nversion: 1.3.0\ndescription: |\nAdd or maintain pracht typed routes: run typegen, adopt route-id based links and\nnavigation, and replace hard-coded hrefs with generated helpers.\nUse for \"add typed routes\", \"fix typed links\", \"replace hard-coded hrefs\", \"run\ntypegen\".\nallowed-tools:
\nUse this workflow to keep route ids, params, links, and navigation type-safe.
\nThe resolved app graph is the source of truth — not a manual glob of src/.
MCP: when the pracht MCP server is registered (pracht dev-mcp), prefer its\ninspect_routes/inspect_api/inspect_build/doctor/verify/generate_*\ntools over shelling out. pracht inspect needs the pracht plugin in the vite\nconfig.
pracht inspect routes --json\nCheck every route has a stable id. Explicit id fields are preferred for routes\nthat app code links to, because fallback ids change when paths change.
route(\"/products/:id\", () => import(\"./routes/products/[id].tsx\"), {\n id: \"product\",\n render: \"ssr\",\n});\nAny route without an explicit id — manifest apps included, not just\npages-router apps — gets a fallback id derived from the route path (/ →\nindex, /blog/:slug → blog-slug, /* → splat).
Run:
\npracht typegen\nThis writes:
\nsrc/pracht.d.ts — module augmentation for route ids, params, loader data\ntypes, and API route request/response types (consumed by apiFetch()).src/pracht-routes.ts — runtime href() helper backed by the same route map.src/pracht-capabilities.d.ts — only when the app registers capabilities:\ninput/output types from the capability schemas, so invokeCapability(),\ncallCapability(), and <Form capability>'s onCapabilityResult infer\ntypes from the capability name.Earlier versions wrote the declaration to src/pracht-routes.d.ts; typegen\nremoves that stale file automatically (TypeScript silently ignored it next to\nthe same-named .ts helper).
Do not hand-edit generated files. If they are stale, update the route graph and\nrun typegen again — or rely on pracht dev, which refreshes them when route\nfiles are added, removed, or renamed and when the route manifest or an imported\ndefinition module changes. The dev banner prompts for the initial typegen run\nwhen src/pracht.d.ts does not exist. In CI, prefer:
pracht typegen --check\nThe check compares declarations, not bytes, so generated files reformatted by\nthe project's formatter still read as up to date and regenerating leaves them\nformatted. Do not add them to a formatter ignore list on that account.
\nimport { Link, useNavigate } from \"@pracht/core\";\n\nexport function ProductLink({ id }: { id: string }) {\n const navigate = useNavigate();\n\n return (\n <>\n <Link route=\"product\" params={{ id }} search={{ ref: \"home\" }}>\n View product\n </Link>\n <button onClick={() => void navigate({ route: \"product\", params: { id } })}>\n Open product\n </button>\n </>\n );\n}\n<Link> renders a normal <a> and the client router intercepts it like any\nsame-origin anchor. It also accepts navigation-behavior props:\nprefetch=\"none\" | \"hover\" | \"intent\" | \"viewport\" | \"render\" (per-link\nprefetch strategy, default \"intent\"), preserveScroll (keep the scroll\nposition), and viewTransition (animate the navigation with the View Transitions API\nwhere supported). Set speculate={false} on links that browser speculation\nrules must not prefetch or prerender. Because it is independent of the JS\nprefetch strategy, use both speculate={false} and prefetch=\"none\" for GET\nlinks with side effects. There is also an imperative\nprefetch() export and a useNavigation() hook for pending\nnavigation/submission state.
import { href } from \"./pracht-routes\";\n\nconst productUrl = href(\"product\", {\n params: { id: \"123\" },\n search: { tab: \"details\" },\n});\nUse href() in loaders that return URLs, sitemap helpers, menu config, test\nfixtures, and other non-component code.
After typegen, useRouteData(routeId) returns that route's loader data with\nno generic — route ids autocomplete and the type follows the route's loader\n(or its separate loader file from the manifest):
import { useRouteData } from \"@pracht/core\";\n\nexport function Component() {\n const data = useRouteData(\"product\");\n return <h1>{data.product.name}</h1>;\n}\nPrefer this over useRouteData<typeof loader>() when typegen runs; keep the\ngeneric form for projects that do not generate route types. Routes without a\nloader type their data as undefined. The id must be the active route: a\nmismatch throws (with a descriptive message in dev), so a shell or island that\nneeds another route's data must receive it as props instead.
Shell loaders register the same way: useShellData(\"app\") types the result\nfrom the app shell's loader for every shell a route renders under. It is\ntyped | undefined because the shell can render without its data (the SPA\nloading state), and naming a shell the active route does not use throws.
A route that reads its query string should export a search schema (any\nStandard Schema validator) instead of parsing url.searchParams by hand.\nTypegen then types search on <Link>, navigate(), and href() from the\nschema's input, and useSearch(routeId) returns its output:
import { Link, useSearch, type LoaderArgs, type SearchArgs } from \"@pracht/core\";\nimport * as z from \"zod\";\n\nexport const search = z.object({\n page: z.coerce.number().int().min(1).default(1),\n q: z.string().optional(),\n});\n\nexport async function loader(args: LoaderArgs & SearchArgs<typeof search>) {\n return listProducts(args.search); // { page: number; q?: string }\n}\n\nexport function Component() {\n const { page, q } = useSearch(\"products\");\n return <Link route=\"products\" search={{ page: page + 1, q }}>Next</Link>;\n}\nz.coerce.*, and give optional params defaults so the bare URL is valid. A\nkey that may repeat is a plain string when it appears once — accept both.ErrorBoundary with\nerror.issues; client navigation does the same.useSearchParams() for raw access; it is unchanged.After typegen, apiFetch() type-checks API calls end to end — paths,\nmethods, params, bodies and queries (for defineApi() routes), and response\ntypes:
import { apiFetch } from \"@pracht/core\";\n\nconst item = await apiFetch(\"/api/items/:id\", { params: { id: \"42\" } });\nSee https://pracht.resynapse.dev/docs/api-validation for defineApi() and validation error handling.\nTypegen discovers API route files without importing them, so it is safe for\nroute modules that initialize runtime-only services at module scope.
Query and params values cross the wire as strings — write schemas that accept\nstring input (z.coerce.number(), not z.number()); apiFetch() rejects\nquery and params keys without a string representation at compile time when the\nschema exposes a concrete input type. Handlers that need a custom status keep\ntyped payloads with json(value, { status }).
Generated param types accept RouteParamInput = string | number | boolean\n(values are stringified into the path), so:
:id requires params: { id: RouteParamInput } — a string is typical,\nbut number/boolean also typecheck.* requires params: { \"*\": RouteParamInput }.:path* requires params: { path: RouteParamInput }.params.search is typed by the route module's search schema input when it\nexports one: unknown keys and wrong value types fail, keys whose input\ncannot come from a string (z.number()) fail, and a required key makes\nsearch itself required. Routes without a schema accept string,\nURLSearchParams, or an object of primitive values/arrays.Run at least:
\npracht typegen --check\npnpm typecheck\npracht verify --json\nIf navigation changed, add or update Playwright coverage for both the rendered\nanchor href and client-side navigation without a full page reload.
pracht inspect routes --json or pracht typegen; do not\ninfer the full route map from files by hand.src/pracht.d.ts or src/pracht-routes.ts manually.<a href=\"...\"> where a URL is genuinely external, opaque, or\nuser-provided.pracht typegen and include the\ngenerated file changes in the same commit.$ARGUMENTS
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