From dba0fa99ad46a2dd3827ca17ab894290acf02e16 Mon Sep 17 00:00:00 2001
From: Rostislav Harlanov <thorn_pear@icloud.com>
Date: Thu, 25 Dec 2025 22:44:48 +0100
Subject: [PATCH 1/2] docs: setError & clearErrors

---
 .../components/navigation/docs_navigation.tsx |  22 ++++
 .../routes/docs/create-form/clear-errors.tsx  |  81 ++++++++++++++
 docs/src/routes/docs/create-form/index.tsx    |  10 ++
 .../src/routes/docs/create-form/set-error.tsx | 104 ++++++++++++++++++
 4 files changed, 217 insertions(+)
 create mode 100644 docs/src/routes/docs/create-form/clear-errors.tsx
 create mode 100644 docs/src/routes/docs/create-form/set-error.tsx

diff --git a/docs/src/components/navigation/docs_navigation.tsx b/docs/src/components/navigation/docs_navigation.tsx
index b774367..92d251e 100644
--- a/docs/src/components/navigation/docs_navigation.tsx
+++ b/docs/src/components/navigation/docs_navigation.tsx
@@ -55,6 +55,28 @@ export const DocsNavigation = () => {
               reset
             </Link>
           </li>
+          <li>
+            <Link
+              href="/docs/create-form/set-error"
+              color={
+                location.pathname.includes("/docs/create-form/set-error") ? "accent" : "secondary"
+              }
+            >
+              setError
+            </Link>
+          </li>
+          <li>
+            <Link
+              href="/docs/create-form/clear-errors"
+              color={
+                location.pathname.includes("/docs/create-form/clear-errors")
+                  ? "accent"
+                  : "secondary"
+              }
+            >
+              clearErrors
+            </Link>
+          </li>
           <li>
             <Link
               href="/docs/create-form/set-value"
diff --git a/docs/src/routes/docs/create-form/clear-errors.tsx b/docs/src/routes/docs/create-form/clear-errors.tsx
new file mode 100644
index 0000000..f15b470
--- /dev/null
+++ b/docs/src/routes/docs/create-form/clear-errors.tsx
@@ -0,0 +1,81 @@
+import { Title } from "@solidjs/meta";
+import { Code } from "~/components/code/code";
+import { Container } from "~/components/container/container";
+import { DocsNavigation } from "~/components/navigation/docs_navigation";
+import { Table } from "~/components/table/table";
+
+const ClearErrors = () => {
+  return (
+    <main>
+      <Title>clearErrors - createForm</Title>
+      <Container.Grid>
+        <DocsNavigation />
+
+        <Container.Content>
+          <h1>clearErrors</h1>
+
+          <p>This function can manually clear errors in the form.</p>
+
+          <pre
+            style={{ color: "var(--colors-accent-500)", "white-space": "break-spaces" }}
+          >{`(name?: string | string[]) => void`}</pre>
+
+          <p style={{ "margin-bottom": 0 }}>Props</p>
+          <hr />
+
+          <Table>
+            {[
+              ["Type", "Description", "Example"],
+              ["undefined", "Remove all errors.", "clearErrors()"],
+              ["string", "Remove single error.", 'clearErrors("email")'],
+              ["string[]", "Remove multiple errors.", 'clearErrors(["email", "password"])']
+            ]}
+          </Table>
+
+          <Code language="js">{`import { createForm } from "solid-hook-form"
+
+export const ExampleForm = () => {
+  const form = useForm()
+  const {
+    register,
+    formState: { errors },
+    handleSubmit,
+    clearErrors
+  } = form
+
+  const onSubmit = (data) => {
+    console.log(data)
+  }
+
+  return (
+    <form onSubmit={handleSubmit(onSubmit)}>
+      <input {...register("firstName", { required: true })} />
+      <input {...register("lastName", { required: true })} />
+      <input {...register("username", { required: true })} />
+
+      <button type="button" onClick={() => clearErrors("firstName")}>
+        Clear firstName errors
+      </button>
+
+      <button
+        type="button"
+        onClick={() => clearErrors(["firstName", "lastName"])}
+      >
+        Clear firstName and lastName errors
+      </button>
+
+      <button type="button" onClick={() => clearErrors()}>
+        Clear all errors
+      </button>
+
+      <button type="submit">Submit</button>
+    </form>
+  )
+}`}</Code>
+        </Container.Content>
+      </Container.Grid>
+    </main>
+  );
+};
+
+export default ClearErrors;
diff --git a/docs/src/routes/docs/create-form/index.tsx b/docs/src/routes/docs/create-form/index.tsx
index 4d63602..9e2774a 100644
--- a/docs/src/routes/docs/create-form/index.tsx
+++ b/docs/src/routes/docs/create-form/index.tsx
@@ -191,6 +191,16 @@ const ExampleForm = () => {
                 reset
               </Link>
             </li>
+            <li>
+              <Link href="/docs/create-form/set-error" color="accent">
+                setError
+              </Link>
+            </li>
+            <li>
+              <Link href="/docs/create-form/clear-errors" color="accent">
+                clearErrors
+              </Link>
+            </li>
             <li>
               <Link href="/docs/create-form/set-value" color="accent">
                 setValue
diff --git a/docs/src/routes/docs/create-form/set-error.tsx b/docs/src/routes/docs/create-form/set-error.tsx
new file mode 100644
index 0000000..07d0960
--- /dev/null
+++ b/docs/src/routes/docs/create-form/set-error.tsx
@@ -0,0 +1,104 @@
+import { Title } from "@solidjs/meta";
+import { Code } from "~/components/code/code";
+import { Container } from "~/components/container/container";
+import { DocsNavigation } from "~/components/navigation/docs_navigation";
+import { Table } from "~/components/table/table";
+
+const SetError = () => {
+  return (
+    <main>
+      <Title>setError - createForm</Title>
+      <Container.Grid>
+        <DocsNavigation />
+
+        <Container.Content>
+          <h1>setError</h1>
+
+          <p>This function allows you to manually set one or more errors.</p>
+
+          <pre
+            style={{ color: "var(--colors-accent-500)", "white-space": "break-spaces" }}
+          >{`(name: string, error: FieldError, options?: SetErrorOptions) => void`}</pre>
+
+          <p style={{ "margin-bottom": 0 }}>Props</p>
+          <hr />
+
+          <Table>
+            {[
+              ["Name", "Type", "Description"],
+              ["name", "string", "Input's name."],
+              ["error", "FieldError", "Set an error with its type and message."],
+              [
+                "options.shouldFocus",
+                "boolean",
+                "Should focus the input during setting an error. This only works when the input's reference is registered."
+              ]
+            ]}
+          </Table>
+
+          <p style={{ "margin-bottom": 0 }}>Rules</p>
+          <hr />
+
+          <ul>
+            <li>
+              This method will not persist the associated input error if the input passes register's
+              associated rules.
+            </li>
+            <li>
+              An error that is not associated with an input field will be persisted until cleared
+              with clearErrors.
+            </li>
+            <li>
+              Can be useful in the handleSubmit method when you want to give error feedback to a
+              user after async validation (for instance API returns validation errors).
+            </li>
+          </ul>
+
+          <Code language="js">{`import { createForm } from "solid-hook-form"
+
+export const ExampleForm = () => {
+  const form = createForm({
+    defaultValues: {
+      email: ""
+    }
+  })
+  const { formState, register, handleSubmit, setError } = form
+  const { errors } = formState
+
+  const onSubmit = async (values) => {
+    const response = await fetch("/api/validate", {
+      method: "POST",
+      body: JSON.stringify(values)
+    })
+
+    if (response.status !== 200) {
+      setError("email", {
+        type: response.status.toString()
+        message: "This email is already in use"
+      })
+    }
+  }
+
+  return (
+    <form onSubmit={handleSubmit(onSubmit)}>
+      <label>Email</label>
+      <input
+        {...register("email")}
+        aria-invalid={Boolean(errors.email)}
+      />
+
+      {errors.email && (
+        <p role="alert">{errors.email.message}</p>
+      )}
+
+      <button type="submit">Submit</button>
+    </form>
+  )
+}`}</Code>
+        </Container.Content>
+      </Container.Grid>
+    </main>
+  );
+};
+
+export default SetError;

From 771af43585c8ad6032ad516757f2acb7a536d95e Mon Sep 17 00:00:00 2001
From: Rostislav Harlanov <thorn_pear@icloud.com>
Date: Thu, 25 Dec 2025 23:14:32 +0100
Subject: [PATCH 2/2] docs: async validation example

---
 docs/src/routes/examples/async-validation.tsx | 84 +++++++++++++++++++
 docs/src/routes/examples/index.tsx            | 17 +++-
 2 files changed, 97 insertions(+), 4 deletions(-)
 create mode 100644 docs/src/routes/examples/async-validation.tsx

diff --git a/docs/src/routes/examples/async-validation.tsx b/docs/src/routes/examples/async-validation.tsx
new file mode 100644
index 0000000..89298d9
--- /dev/null
+++ b/docs/src/routes/examples/async-validation.tsx
@@ -0,0 +1,84 @@
+/** biome-ignore-all lint/suspicious/noUselessEscapeInString: regex escape */
+
+import { Title } from "@solidjs/meta";
+import { Link } from "solid-uix";
+import { Code } from "~/components/code/code";
+import { Container } from "~/components/container/container";
+
+const AsyncValidation = () => {
+  return (
+    <main>
+      <Title>Async Validation</Title>
+      <Container>
+        <h1>Async Validation</h1>
+
+        <p>
+          You can find full example at{" "}
+          <Link
+            href="https://stackblitz.com/edit/solidjs-templates-hrzxfhbq?file=src%2Fexample_form%2Fexample_form.tsx"
+            target="_blank"
+            color="accent"
+          >
+            StackBlitz
+          </Link>
+          .
+        </p>
+
+        <p>Set validation error manually after server response:</p>
+
+        <Code language="js">{`import { createForm } from 'solid-hook-form'
+import { createSignal } from 'solid-js'
+
+export const ExampleForm = () => {
+  const form = createForm({
+    defaultValues: {
+      email: ''
+    },
+    mode: 'onChange'
+  })
+  const {
+    errors,
+    register,
+    handleSubmit,
+    setError
+  } = form
+
+  const [isLoading, setIsLoading] = createSignal(false)
+
+  const onSubmit = (values: ExampleFormValues) => {
+    setIsLoading(true)
+
+    fetch('/api/validation')
+      .then(response => {
+        if (response.status !== 200) {
+          setError('email', {
+            type: 'custom',
+            message: 'This email is already in use'
+          })
+        }
+      })
+      .finally(() => {
+        setIsLoading(false)
+      })
+  }
+
+  return (
+    <form onSubmit={handleSubmit(onSubmit)}>
+      <label>Email</label>
+      <input {...register('email', { required: 'Required' })} />
+      {errors.email && <p role="alert">{errors.email.message}</p>}
+
+      {isLoading() && <p>Loading...</p>}
+
+      <Button type="submit" disabled={isLoading()}>
+        Save
+      </Button>
+    </form>
+  )
+}`}</Code>
+      </Container>
+    </main>
+  );
+};
+
+export default AsyncValidation;
diff --git a/docs/src/routes/examples/index.tsx b/docs/src/routes/examples/index.tsx
index d624334..5597c49 100644
--- a/docs/src/routes/examples/index.tsx
+++ b/docs/src/routes/examples/index.tsx
@@ -1,10 +1,11 @@
-import { Title } from "@solidjs/meta";
-import { Container } from "~/components/container/container";
-import { Grid } from "~/components/grid/grid";
-import check from "@phosphor-icons/core/regular/check-circle.svg?raw";
 import curly from "@phosphor-icons/core/regular/brackets-curly.svg?raw";
+import check from "@phosphor-icons/core/regular/check-circle.svg?raw";
+// import server from "@phosphor-icons/core/regular/cloud-check.svg?raw";
 import upload from "@phosphor-icons/core/regular/upload-simple.svg?raw";
+import { Title } from "@solidjs/meta";
+import { Container } from "~/components/container/container";
 import { Footer } from "~/components/footer/footer";
+import { Grid } from "~/components/grid/grid";
 
 const Examples = () => {
   return (
@@ -36,6 +37,14 @@ const Examples = () => {
             <p>Integrate Yup schema validation into your form.</p>
           </Grid.Item>
 
+          <Grid.Item href="/examples/async-validation">
+            <h2>
+              {/* <span innerHTML={server} /> */}
+              Async Validation
+            </h2>
+            <p>Give error feedback to a user after server-side validation.</p>
+          </Grid.Item>
+
           <Grid.Item href="/examples/nested-values">
             <h2>
               <span innerHTML={curly} />