Move from zod to valibot to reduce the frontend bundle size

frontend/package.json

@@ -24,7 +24,6 @@
     "@radix-ui/react-dialog": "^1.1.6",
     "@tanstack/react-query": "^5.66.0",
     "@tanstack/react-router": "^1.102.5",
-    "@tanstack/router-zod-adapter": "^1.81.5",
     "@vector-im/compound-design-tokens": "3.0.1",
     "@vector-im/compound-web": "^7.6.2",
     "@zxcvbn-ts/core": "^3.0.4",
@@ -36,8 +35,8 @@
     "react-dom": "^19.0.0",
     "react-i18next": "^15.4.0",
     "swagger-ui-dist": "^5.18.3",
-    "vaul": "^1.1.2",
-    "zod": "^3.24.2"
+    "valibot": "^1.0.0-rc.0",
+    "vaul": "^1.1.2"
   },
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",

frontend/src/pagination.ts

@@ -5,7 +5,7 @@
 // Please see LICENSE in the repository root for full details.
 
 import { useState } from "react";
-import * as z from "zod";
+import * as v from "valibot";
 
 // PageInfo we get on connections from the GraphQL API
 type PageInfo = {
@@ -18,32 +18,32 @@ type PageInfo = {
 export const FIRST_PAGE = Symbol("FIRST_PAGE");
 const LAST_PAGE = Symbol("LAST_PAGE");
 
-export const anyPaginationSchema = z.object({
-  first: z.number().nullish(),
-  after: z.string().nullish(),
-  last: z.number().nullish(),
-  before: z.string().nullish(),
+export const anyPaginationSchema = v.object({
+  first: v.nullish(v.number()),
+  after: v.nullish(v.string()),
+  last: v.nullish(v.number()),
+  before: v.nullish(v.string()),
 });
 
-const forwardPaginationSchema = z.object({
-  first: z.number(),
-  after: z.string().nullish(),
+const forwardPaginationSchema = v.object({
+  first: v.number(),
+  after: v.nullish(v.string()),
 });
 
-const backwardPaginationSchema = z.object({
-  last: z.number(),
-  before: z.string().nullish(),
+const backwardPaginationSchema = v.object({
+  last: v.number(),
+  before: v.nullish(v.string()),
 });
 
-const paginationSchema = z.union([
+const paginationSchema = v.union([
   forwardPaginationSchema,
   backwardPaginationSchema,
 ]);
 
-type ForwardPagination = z.infer<typeof forwardPaginationSchema>;
-type BackwardPagination = z.infer<typeof backwardPaginationSchema>;
-export type Pagination = z.infer<typeof paginationSchema>;
-export type AnyPagination = z.infer<typeof anyPaginationSchema>;
+type ForwardPagination = v.InferOutput<typeof forwardPaginationSchema>;
+type BackwardPagination = v.InferOutput<typeof backwardPaginationSchema>;
+export type Pagination = v.InferOutput<typeof paginationSchema>;
+export type AnyPagination = v.InferOutput<typeof anyPaginationSchema>;
 
 // Check if the pagination is a valid pagination
 const isValidPagination = (

frontend/src/routes/_account.index.tsx

@@ -6,8 +6,7 @@
 
 import { queryOptions } from "@tanstack/react-query";
 import { createFileRoute, redirect } from "@tanstack/react-router";
-import { zodSearchValidator } from "@tanstack/router-zod-adapter";
-import * as z from "zod";
+import * as v from "valibot";
 import { query as userEmailListQuery } from "../components/UserProfile/UserEmailList";
 import { graphql } from "../gql";
 import { graphqlRequest } from "../graphql";
@@ -38,39 +37,39 @@ export const query = queryOptions({
   queryFn: ({ signal }) => graphqlRequest({ query: QUERY, signal }),
 });
 
-const actionSchema = z
-  .discriminatedUnion("action", [
-    z.object({
-      action: z.enum(["profile", "org.matrix.profile"]),
+const actionSchema = v.variant("action", [
+  v.object({
+    action: v.picklist(["profile", "org.matrix.profile"]),
+  }),
+  v.object({
+    action: v.picklist(["sessions_list", "org.matrix.sessions_list"]),
+  }),
+  v.object({
+    action: v.picklist(["session_view", "org.matrix.session_view"]),
+    device_id: v.optional(v.string()),
+  }),
+  v.object({
+    action: v.picklist(["session_end", "org.matrix.session_end"]),
+    device_id: v.optional(v.string()),
+  }),
+  v.object({
+    action: v.literal("org.matrix.cross_signing_reset"),
+  }),
+  v.partial(
+    v.looseObject({
+      action: v.never(),
     }),
-    z.object({
-      action: z.enum(["sessions_list", "org.matrix.sessions_list"]),
-    }),
-    z.object({
-      action: z.enum(["session_view", "org.matrix.session_view"]),
-      device_id: z.string().optional(),
-    }),
-    z.object({
-      action: z.enum(["session_end", "org.matrix.session_end"]),
-      device_id: z.string().optional(),
-    }),
-    z.object({
-      action: z.literal("org.matrix.cross_signing_reset"),
-    }),
-    z.object({
-      action: z.undefined(),
-    }),
-  ])
-  .catch({ action: undefined });
+  ),
+]);
 
 export const Route = createFileRoute("/_account/")({
-  validateSearch: zodSearchValidator(actionSchema),
+  validateSearch: actionSchema,
 
   beforeLoad({ search }) {
     switch (search.action) {
       case "profile":
       case "org.matrix.profile":
-        throw redirect({ to: "/" });
+        throw redirect({ to: "/", search: {} });
 
       case "sessions_list":
       case "org.matrix.sessions_list":

frontend/src/routes/_account.sessions.browsers.tsx

@@ -5,8 +5,7 @@
 // Please see LICENSE in the repository root for full details.
 
 import { createFileRoute } from "@tanstack/react-router";
-import { zodSearchValidator } from "@tanstack/router-zod-adapter";
-import * as z from "zod";
+import * as v from "valibot";
 
 import { queryOptions } from "@tanstack/react-query";
 import { graphql } from "../gql";
@@ -81,14 +80,15 @@ export const query = (pagination: AnyPagination, inactive: true | undefined) =>
       }),
   });
 
-const searchSchema = z
-  .object({
-    inactive: z.literal(true).optional(),
-  })
-  .and(anyPaginationSchema);
+const searchSchema = v.intersect([
+  v.object({
+    inactive: v.optional(v.literal(true)),
+  }),
+  anyPaginationSchema,
+]);
 
 export const Route = createFileRoute("/_account/sessions/browsers")({
-  validateSearch: zodSearchValidator(searchSchema),
+  validateSearch: searchSchema,
 
   loaderDeps: ({ search: { inactive, ...pagination } }) => ({
     inactive,

frontend/src/routes/_account.sessions.index.tsx

@@ -5,8 +5,7 @@
 // Please see LICENSE in the repository root for full details.
 
 import { createFileRoute } from "@tanstack/react-router";
-import { zodSearchValidator } from "@tanstack/router-zod-adapter";
-import * as z from "zod";
+import * as v from "valibot";
 
 import { queryOptions } from "@tanstack/react-query";
 import { graphql } from "../gql";
@@ -98,14 +97,15 @@ export const listQuery = (
       }),
   });
 
-const searchSchema = z
-  .object({
-    inactive: z.literal(true).optional(),
-  })
-  .and(anyPaginationSchema);
+const searchSchema = v.intersect([
+  v.object({
+    inactive: v.optional(v.literal(true)),
+  }),
+  anyPaginationSchema,
+]);
 
 export const Route = createFileRoute("/_account/sessions/")({
-  validateSearch: zodSearchValidator(searchSchema),
+  validateSearch: searchSchema,
 
   loaderDeps: ({ search: { inactive, ...pagination } }) => ({
     inactive,

frontend/src/routes/emails.$id.in-use.tsx

@@ -48,7 +48,7 @@ function EmailInUse(): React.ReactElement {
         })}
       />
 
-      <ButtonLink as="a" Icon={IconArrowLeft} kind="tertiary" to="/">
+      <ButtonLink Icon={IconArrowLeft} kind="tertiary" to="/">
         {t("action.back")}
       </ButtonLink>
     </Layout>

frontend/src/routes/emails.$id.verify.lazy.tsx

@@ -189,7 +189,7 @@ function EmailVerify(): React.ReactElement {
           {t("frontend.verify_email.resend_code")}
         </Button>
 
-        <ButtonLink as="a" Icon={IconArrowLeft} kind="tertiary" to="/">
+        <ButtonLink Icon={IconArrowLeft} kind="tertiary" to="/">
           {t("action.back")}
         </ButtonLink>
       </Form.Root>

frontend/src/routes/password.recovery.index.tsx

@@ -6,8 +6,7 @@
 
 import { queryOptions } from "@tanstack/react-query";
 import { createFileRoute, notFound } from "@tanstack/react-router";
-import { zodSearchValidator } from "@tanstack/router-zod-adapter";
-import * as z from "zod";
+import * as v from "valibot";
 import { graphql } from "../gql";
 import { graphqlRequest } from "../graphql";
 
@@ -31,12 +30,12 @@ export const query = (ticket: string) =>
       graphqlRequest({ query: QUERY, signal, variables: { ticket } }),
   });
 
-const schema = z.object({
-  ticket: z.string(),
+const schema = v.object({
+  ticket: v.string(),
 });
 
 export const Route = createFileRoute("/password/recovery/")({
-  validateSearch: zodSearchValidator(schema),
+  validateSearch: schema,
 
   loaderDeps: ({ search: { ticket } }) => ({ ticket }),
 

frontend/src/routes/reset-cross-signing.tsx

@@ -8,21 +8,21 @@ import {
   Outlet,
   createFileRoute,
 } from "@tanstack/react-router";
-import { zodSearchValidator } from "@tanstack/router-zod-adapter";
 import IconError from "@vector-im/compound-design-tokens/assets/web/icons/error";
 import { Button, Text } from "@vector-im/compound-web";
-import * as z from "zod";
+import * as v from "valibot";
 
 import { useTranslation } from "react-i18next";
 import BlockList from "../components/BlockList";
 import Layout from "../components/Layout";
 import PageHeading from "../components/PageHeading";
 
-const searchSchema = z.object({
-  deepLink: z.boolean().optional(),
+const searchSchema = v.object({
+  deepLink: v.optional(v.boolean()),
 });
 
 export const Route = createFileRoute("/reset-cross-signing")({
+  validateSearch: searchSchema,
   component: () => (
     <Layout>
       <BlockList>
@@ -31,7 +31,6 @@ export const Route = createFileRoute("/reset-cross-signing")({
     </Layout>
   ),
   errorComponent: ResetCrossSigningError,
-  validateSearch: zodSearchValidator(searchSchema),
 });
 
 function ResetCrossSigningError({