From e6e58ab1064b02fd440a8df7fd8f063d615c83e8 Mon Sep 17 00:00:00 2001
From: Elijah Duffy <elijah@thatoneguy.ca>
Date: Fri, 4 Jul 2025 03:17:38 -0700
Subject: [PATCH] input: add use & focus utilities

---
 src/lib/StyledRawInput.svelte | 18 ++++++++++++++++++
 src/lib/TextInput.svelte      | 10 ++++++++++
 2 files changed, 28 insertions(+)

diff --git a/src/lib/StyledRawInput.svelte b/src/lib/StyledRawInput.svelte
index 810efc0..9d51ae4 100644
--- a/src/lib/StyledRawInput.svelte
+++ b/src/lib/StyledRawInput.svelte
@@ -6,11 +6,14 @@
 		type ValidatorOptions
 	} from '@svelte-toolkit/validate';
 	import { generateIdentifier } from './util';
+	import { onMount } from 'svelte';
 
 	type $Props = Omit<HTMLInputAttributes, 'name' | 'value'> & {
 		name?: string;
 		value?: string;
 		validate?: ValidatorOptions;
+		focus?: boolean;
+		use?: (node: HTMLInputElement) => void;
 		ref?: HTMLInputElement | null;
 		onvalidate?: (e: InputValidatorEvent) => void;
 	};
@@ -21,6 +24,8 @@
 		value = $bindable(''),
 		placeholder,
 		validate: validateOpts,
+		focus: focusOnMount = false,
+		use,
 		ref = $bindable<HTMLInputElement | null>(null),
 		onvalidate,
 		...others
@@ -28,12 +33,24 @@
 
 	let valid: boolean = $state(true);
 
+	export const focus = () => {
+		if (ref) ref.focus();
+	};
+
+	const conditionalUse = $derived(use ? use : () => {});
+
 	$effect(() => {
 		// default autovalOnInvalid to true unless explicitly set to false
 		if (validateOpts !== undefined && validateOpts.autovalOnInvalid === undefined) {
 			validateOpts.autovalOnInvalid = true;
 		}
 	});
+
+	onMount(() => {
+		if (focusOnMount && ref) {
+			ref.focus();
+		}
+	});
 </script>
 
 <input
@@ -52,6 +69,7 @@
 		others.class
 	]}
 	use:validate={validateOpts}
+	use:conditionalUse
 	onvalidate={(e) => {
 		valid = e.detail.valid;
 		if (onvalidate) onvalidate(e);
diff --git a/src/lib/TextInput.svelte b/src/lib/TextInput.svelte
index ad424a1..cfc3a81 100644
--- a/src/lib/TextInput.svelte
+++ b/src/lib/TextInput.svelte
@@ -14,6 +14,8 @@
 		type?: HTMLInputElement['type'];
 		validate?: ValidatorOptions;
 		invalidMessage?: string;
+		focus?: boolean;
+		use?: (node: HTMLInputElement) => void;
 		ref?: HTMLInputElement | null;
 		class?: ClassValue | null | undefined;
 	}
@@ -27,11 +29,17 @@
 		type,
 		validate: validateOpts,
 		invalidMessage = 'Field is required',
+		focus: focusOnMount = false,
+		use,
 		ref = $bindable<HTMLInputElement | null>(null),
 		class: classValue
 	}: Props = $props();
 
 	let valid: boolean = $state(true);
+
+	export const focus = () => {
+		if (ref) ref.focus();
+	};
 </script>
 
 <div class={['w-full', classValue]}>
@@ -50,6 +58,8 @@
 		onvalidate={(e) => {
 			valid = e.detail.valid;
 		}}
+		focus={focusOnMount}
+		{use}
 	/>
 
 	{#if validateOpts}