Migration to Svelte 5

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "paper-cost",
-	"version": "1.4.0",
+	"version": "1.7.0",
 	"private": true,
 	"scripts": {
 		"dev": "vite dev",
@@ -12,24 +12,22 @@
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
 		"test:ui": "playwright test",
 		"test:unit": "vitest",
-		"lint": "prettier --plugin-search-dir . --check .",
-		"format": "prettier --plugin-search-dir . --write ."
+		"lint": "prettier --check .",
+		"format": "prettier  --write ."
 	},
 	"devDependencies": {
 		"@iconify/svelte": "^4.0.2",
 		"@playwright/test": "^1.46.1",
-		"@sveltejs/adapter-auto": "^3.0.0",
 		"@sveltejs/adapter-vercel": "^5.4.1",
-		"@sveltejs/kit": "^2.0.0",
-		"@sveltejs/vite-plugin-svelte": "^3.0.0",
+		"@sveltejs/kit": "^2.7.2",
+		"@sveltejs/vite-plugin-svelte": "^4.0.0",
 		"@types/mixpanel-browser": "^2.49.0",
 		"@types/node": "^22.5.0",
 		"autoprefixer": "^10.4.14",
 		"dotenv": "^16.4.5",
 		"postcss": "^8.4.27",
-		"prettier": "^2.8.0",
-		"prettier-plugin-svelte": "^2.10.1",
-		"svelte": "^4.0.5",
+		"prettier": "^3.3.3",
+		"prettier-plugin-svelte": "^3.2.7",
 		"svelte-check": "^3.4.3",
 		"tailwindcss": "^3.3.3",
 		"tslib": "^2.4.1",
@@ -44,8 +42,8 @@
 		"@supabase/supabase-js": "^2.44.3",
 		"dayjs": "^1.11.11",
 		"mixpanel-browser": "^2.55.1",
+		"svelte": "^5.1.0",
 		"svelte-persisted-store": "^0.11.0",
-		"svelte-sonner": "^0.3.27",
-		"tippy.js": "^6.3.7"
+		"svelte-sonner": "^0.3.27"
 	}
 }

src/lib/elements/About.svelte

@@ -1,7 +1,8 @@
 <script lang="ts">
 	import { version } from '$app/environment'
 	import type { User } from '@supabase/supabase-js'
-	export let user: User | null = null
+
+	const { user }: { user: User | null } = $props()
 </script>
 
 <div class="flex flex-col text-center items-center">

src/lib/elements/Button.svelte

@@ -1,26 +1,28 @@
 <script lang="ts">
-	import { onMount } from 'svelte'
+	type ButtonProp = {
+		text: string
+		onclick: () => void
+		classNames: string
+		type: 'button' | 'submit' | 'reset'
+	}
 
-	export let disabled = false
-	export let text = ''
-	export let classNames = ''
-	export let type: 'button' | 'submit' | 'reset' = 'button'
+	let { text, classNames, type = 'button', onclick, ...rest }: ButtonProp = $props()
 
 	let buttonRef: HTMLButtonElement
 
-	onMount(() => {
+	$effect(() => {
 		if (buttonRef) {
 			buttonRef.type = type
 		}
 	})
 </script>
 
 <button
+	{onclick}
+	{...rest}
 	bind:this={buttonRef}
-	{disabled}
 	{type}
 	class="border border-gray-400 rounded-md text-teal-600 font-semibold px-3 py-1 w-fit disabled:text-opacity-60 {classNames}"
-	on:click
 >
 	{text}
 </button>

src/lib/elements/Footer.svelte

@@ -5,9 +5,13 @@
 	import { enhance } from '$app/forms'
 	import mixpanel from '$lib/utils/mixpanel'
 
-	export let showSettings = false
-	export let showAbout = false
-	export let loading = false
+	type FooterProp = { showSettings: boolean; showAbout: boolean; loading: boolean }
+
+	let {
+		showSettings = $bindable(),
+		showAbout = $bindable(),
+		loading = $bindable()
+	}: FooterProp = $props()
 
 	const navItems = [
 		{ href: '/', label: 'Home', icon: 'clarity:home-line' },
@@ -34,7 +38,7 @@
 				{label}
 			</a>
 		{/each}
-		<button on:click={toggleSettings} class="flex flex-row gap-1 items-center">
+		<button onclick={toggleSettings} class="flex flex-row gap-1 items-center">
 			<Icon icon="solar:settings-linear" /> Settings
 		</button>
 	</nav>
@@ -45,7 +49,7 @@
 			class="absolute w-20 right-3 bottom-11 flex flex-col items-start divide-y divide-orange-400 gap-1 bg-slate-50 p-2 rounded"
 		>
 			<button
-				on:click={() => {
+				onclick={() => {
 					showAbout = true
 					toggleSettings()
 				}}>About</button

src/lib/elements/HistoryRow.svelte

@@ -2,14 +2,20 @@
 	import { get40Percent, type CostHistoryType } from '$lib/utils/services'
 	import Icon from '@iconify/svelte'
 	import dayjs from 'dayjs'
-	import { createEventDispatcher } from 'svelte'
 
-	export let cost: CostHistoryType
-	export let isTrash: boolean = false
+	let {
+		cost,
+		isTrash = false,
+		ondelete,
+		onrestore
+	}: {
+		cost: CostHistoryType
+		isTrash?: boolean
+		ondelete: (id: string) => void
+		onrestore?: (id: string) => void
+	} = $props()
 
-	const dispatch = createEventDispatcher()
-
-	let deleteConfirm = ''
+	let deleteConfirm = $state('')
 </script>
 
 <div class="flex flex-col gap-1 items-center w-full p-1 border border-dashed rounded shadow-sm">
@@ -29,18 +35,27 @@
 			</p>
 
 			<div class="flex flex-row items-center gap-[2px]">
-				<button
-					class:hidden={deleteConfirm == cost.id || !isTrash}
-					class="border border-green-300 rounded text-green-600 p-[3px] w-fit disabled:border-gray-200 disabled:cursor-not-allowed disabled:text-opacity-45"
-					on:click|stopPropagation|preventDefault={() => dispatch('restore', cost.id)}
-				>
-					<Icon icon="ic:round-settings-backup-restore" />
-				</button>
+				{#if onrestore}
+					<button
+						class:hidden={deleteConfirm == cost.id || !isTrash}
+						class="border border-green-300 rounded text-green-600 p-[3px] w-fit disabled:border-gray-200 disabled:cursor-not-allowed disabled:text-opacity-45"
+						onclick={(e) => {
+							e.preventDefault()
+							onrestore(cost.id)
+						}}
+					>
+						<Icon icon="ic:round-settings-backup-restore" />
+					</button>
+				{/if}
 				<button
 					data-testid="delete-cost-history"
 					class:hidden={deleteConfirm == cost.id}
 					class="border border-red-300 rounded text-red-600 p-[3px] w-fit disabled:border-gray-200 disabled:cursor-not-allowed disabled:text-opacity-45"
-					on:click|stopPropagation|preventDefault={() => (deleteConfirm = cost.id || '')}
+					onclick={(e) => {
+						e.preventDefault()
+						e.stopPropagation()
+						deleteConfirm = cost.id || ''
+					}}
 				>
 					{#if isTrash}
 						<Icon icon="ic:baseline-delete-forever" />
@@ -51,14 +66,22 @@
 				{#if deleteConfirm == cost.id}
 					<button
 						class="border border-yellow-300 p-[3px] rounded text-yellow-600 w-fit disabled:border-gray-200 disabled:cursor-not-allowed disabled:text-opacity-45"
-						on:click|stopPropagation|preventDefault={() => (deleteConfirm = '')}
+						onclick={(e) => {
+							e.preventDefault()
+							e.stopPropagation()
+							deleteConfirm = ''
+						}}
 					>
 						<Icon icon="majesticons:multiply" width="16px" />
 					</button>
 					<button
 						data-testid="confirm-delete"
 						class="border border-green-300 p-[3px] rounded text-green-700 w-fit disabled:border-gray-200 disabled:cursor-not-allowed disabled:text-opacity-45"
-						on:click|stopPropagation|preventDefault={() => dispatch('delete', cost.id)}
+						onclick={(e) => {
+							e.preventDefault()
+							e.stopPropagation()
+							ondelete(cost.id)
+						}}
 					>
 						<Icon icon="teenyicons:tick-solid" width="15px" />
 					</button>

src/lib/elements/Input.svelte

@@ -1,18 +1,33 @@
 <script lang="ts">
 	import { focusedInputStore } from '$lib/stores'
 	import { makeid } from '$lib/utils/tools'
-	import { onMount } from 'svelte'
 
-	export let id: string = makeid(3)
-	export let value: string
-	export let name: string = ''
-	export let type: string = 'number'
-	export let disabled: boolean = false
-	export let classNames: string = ''
+	type InputType = {
+		id?: string
+		value: string
+		name: string
+		type?: string
+		disabled?: boolean
+		classNames?: string
+		onkeydown?: (event: KeyboardEvent) => void
+		onfocus?: () => void
+	}
+
+	let {
+		id = makeid(3),
+		value = $bindable(),
+		name,
+		classNames,
+		disabled = false,
+		type = 'number',
+		onkeydown,
+		onfocus,
+		...rest
+	}: InputType = $props()
 
 	let inputRef: HTMLInputElement
 
-	onMount(() => {
+	$effect(() => {
 		if (inputRef) {
 			inputRef.type = type
 		}
@@ -27,10 +42,11 @@
 	{disabled}
 	class="input-field focus:!border-[1.5px] focus:!border-teal-500 focus:outline-none {classNames}"
 	bind:value
-	on:keydown
-	on:focus
-	on:focus={() => ($focusedInputStore = inputRef)}
-	{...$$restProps}
+	{onkeydown}
+	onfocus={() => {
+		$focusedInputStore = inputRef
+	}}
+	{...rest}
 />
 
 <style lang="postcss">

src/lib/elements/Modal.svelte

@@ -2,7 +2,12 @@
 	import { makeid, receive, send } from '$lib/utils/tools'
 	import Icon from '@iconify/svelte'
 
-	export let show = false
+	interface Props {
+		show?: boolean
+		children?: import('svelte').Snippet
+	}
+
+	let { show = $bindable(false), children }: Props = $props()
 	const id = makeid(6)
 </script>
 
@@ -14,10 +19,14 @@
 	>
 		<button
 			class="absolute top-0 right-0 p-[3px] rounded-full w-fit"
-			on:click|stopPropagation|preventDefault={() => (show = false)}
+			onclick={(e) => {
+				e.preventDefault()
+				e.stopPropagation()
+				show = false
+			}}
 		>
 			<Icon icon="majesticons:multiply" width="20px" />
 		</button>
-		<slot />
+		{@render children?.()}
 	</div>
 </div>

src/lib/elements/PaperItem.svelte

@@ -3,40 +3,61 @@
 	import Input from './Input.svelte'
 	import { receive, send } from '$lib/utils/tools'
 	import { fields, placeholders } from '$lib/utils/constants'
-	import { createEventDispatcher } from 'svelte'
 	import type { Paper } from '$lib/utils/services'
 
-	export let paper: Paper
-	export let index: number
-	export let totalPaper: number
-	export let perPaperResult: Map<string, number>
+	let {
+		paper = $bindable(),
+		index,
+		totalPaper,
+		perPaperResult,
+		onkeydown,
+		onremove
+	}: {
+		paper: Paper
+		index: number
+		totalPaper: number
+		perPaperResult: Map<string, number>
+		onkeydown: (event: KeyboardEvent) => void
+		onremove: () => void
+	} = $props()
 
-	const dispatch = createEventDispatcher()
+	$effect(() => {
+		console.log(paper)
+	})
 </script>
 
 <div
-	id={paper.id}
+	id={paper?.id}
 	class="flex flex-row items-center justify-between rounded"
-	in:receive={{ key: paper.id, duration: 250 }}
-	out:send={{ key: paper.id, duration: 250 }}
+	in:receive={{ key: paper?.id, duration: 250 }}
+	out:send={{ key: paper?.id, duration: 250 }}
 >
 	<div class="flex flex-row gap-[3px] items-center overflow-x-auto">
 		<button
 			disabled={totalPaper == 1 && index == 0}
 			class="border border-gray-400 rounded-md text-red-600 p-1 w-fit disabled:border-gray-200 disabled:cursor-not-allowed disabled:text-opacity-45"
-			on:click={() => dispatch('remove')}
+			onclick={() => onremove()}
 		>
 			<Icon icon="ph:trash-light" width="16px" />
 		</button>
-		{#each fields as field}
-			<Input name={field} bind:value={paper[field]} placeholder={placeholders[field]} on:keydown />
-		{/each}
+		{#if paper}
+			{#each fields as field}
+				<Input
+					name={field}
+					bind:value={paper[field]}
+					placeholder={placeholders[field]}
+					{onkeydown}
+				/>
+			{/each}
+		{/if}
 	</div>
 	<div class="flex flex-grow justify-center px-1">
 		<p
-			class="{perPaperResult.get(paper.id) ? 'font-semibold' : 'font-light text-gray-400'} pr-[2px]"
+			class="{perPaperResult.get(paper?.id)
+				? 'font-semibold'
+				: 'font-light text-gray-400'} pr-[2px]"
 		>
-			= {perPaperResult.get(paper.id)?.toFixed(2) || 'total'}
+			= {perPaperResult.get(paper?.id)?.toFixed(2) || 'total'}
 		</p>
 	</div>
 </div>

src/lib/elements/Result.svelte

@@ -1,9 +1,9 @@
 <script lang="ts">
 	import { get40Percent } from '$lib/utils/services'
 
-	export let total: number = 0
+	let { total = 0 }: { total: number } = $props()
 
-	$: _40Percent = get40Percent(total)
+	const _40Percent = $derived(get40Percent(total))
 </script>
 
 <div class="flex flex-col gap-1 w-full border shadow-md rounded py-1 px-2">

src/lib/elements/SingleLine.svelte

@@ -0,0 +1 @@
+<div class="w-full bg-gradient-to-r from-transparent via-slate-600/10 to-transparent p-[1px]"></div>