feat: Replace unknownutil with typia for type checking

This commit replaces the unknownutil library with typia for runtime
type checking. It also adds the typia library to the package.json
dependencies and updates the code where unknownutil was previously used.
The changes are mainly in the src/lib/api/rss/index.ts and
src/lib/markdown.server.ts files. Additionally, the unplugin-typia
plugin is added to the vite.config.ts file.

package.json

@@ -11,7 +11,7 @@
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
 		"lint": "prettier --plugin prettier-plugin-svelte --plugin prettier-plugin-tailwindcss --check . && eslint .",
 		"format": "prettier --plugin prettier-plugin-svelte --plugin prettier-plugin-tailwindcss --write .",
-		"prepare": "git config --local core.hooksPath .githooks || echo 'Can not set git hooks'"
+		"prepare": "ts-patch install && typia patch && git config --local core.hooksPath .githooks || echo 'Can not set git hooks'"
 	},
 	"engines": {
 		"npm": "use bun please!",
@@ -35,6 +35,7 @@
 		"@iconify-json/simple-icons": "^1.1.103",
 		"@iconify/iconify": "^3.1.1",
 		"@iconify/svelte": "^4.0.2",
+		"@ryoppippi/unplugin-typia": "npm:@jsr/ryoppippi__unplugin-typia",
 		"@secretlint/secretlint-rule-preset-recommend": "^8.2.4",
 		"@skeletonlabs/skeleton": "^2.10.0",
 		"@skeletonlabs/tw-plugin": "^0.4.0",
@@ -73,11 +74,13 @@
 		"svelte-preprocess-import-assets": "^1.1.0",
 		"svelte-vertical-timeline": "^1.0.2",
 		"tailwindcss": "^3.4.3",
+		"ts-node": "^10.9.2",
+		"ts-patch": "^3.1.2",
 		"tslib": "^2.6.2",
 		"typescript": "^5.4.5",
 		"typescript-svelte-plugin": "^0.3.38",
+		"typia": "^6.0.4",
 		"ufo": "^1.5.3",
-		"unknownutil": "^3.18.1",
 		"unplugin-icons": "^0.19.0",
 		"vite": "^5.2.12"
 	},

src/lib/api/rss/index.js → src/lib/api/rss/index.ts

@@ -1,24 +1,28 @@
 import Parser from 'rss-parser';
 import sortOn from 'sort-on';
-import { is, ensure } from 'unknownutil';
+import typia from 'typia';
 
 import rss from './rss.json';
 
 const parser = new Parser();
 
-export const _isItem = is.ObjectOf({
-	title: is.String,
-	link: is.String,
-	pubDate: is.String
-});
+type Item = {
+	title: string;
+	link: string;
+	pubDate: string;
+};
 
 export const getPosts = async () => {
 	const feeds = (
 		await Promise.all(
 			rss.map(async (url) => {
 				const feed = await parser.parseURL(url);
 				return feed.items
-					.map(({ title, link, pubDate }) => ensure({ title, link, pubDate }, _isItem))
+					.map(({ title, link, pubDate }) => {
+						const item = { title, link, pubDate };
+						typia.assertGuard<Item>(item);
+						return item;
+					})
 					.map((item) => ({ ...item, pubDate: new Date(item.pubDate).toJSON() }));
 			})
 		)

src/lib/markdown.server.ts

@@ -1,24 +1,20 @@
 import markdown from 'markdown-it';
 import matter from 'gray-matter';
-import { is, assert, type PredicateType } from 'unknownutil';
 import { parse } from 'date-fns';
+import typia from 'typia';
 
-export const isItem = is.ObjectOf({
-	slug: is.String,
-	title: is.String,
-	pubDate: is.String,
-	isPublished: is.Boolean
-});
+type Item = {
+	slug: string;
+	title: string;
+	pubDate: string;
+	isPublished: boolean;
+};
 
-export type Item = PredicateType<typeof isItem>;
-
-export const isMetadata = is.ObjectOf({
-	title: is.String,
-	date: is.String,
-	isPublished: is.Boolean
-});
-
-export type Metadata = PredicateType<typeof isMetadata>;
+type Metadata = {
+	title: string;
+	date: string;
+	isPublished: boolean;
+};
 
 export function parseMarkdown(
 	filepath: string,
@@ -44,7 +40,7 @@ export function parseMarkdown<T extends boolean>(
 
 	const { data: metadata, content: parsedRawMdContent } = matter(contentRaw);
 
-	assert(metadata, isMetadata);
+	typia.assertGuard<Metadata>(metadata);
 
 	const item = {
 		slug,
@@ -53,7 +49,7 @@ export function parseMarkdown<T extends boolean>(
 		pubDate: parse(metadata.date, 'yyyy-MM-dd', new Date()).toJSON()
 	} satisfies Item;
 
-	assert(item, isItem);
+	typia.assertGuard<Item>(item);
 
 	if (options?.parseContent ?? false) {
 		const md = markdown();

vite.config.ts

@@ -3,7 +3,8 @@ import { defineConfig } from 'vite';
 import { enhancedImages } from '@sveltejs/enhanced-img';
 import Macros from '@unplugin/macros/vite';
 import Icons from 'unplugin-icons/vite';
+import UnpluginTypia from '@ryoppippi/unplugin-typia/vite';
 
 export default defineConfig({
-	plugins: [enhancedImages(), Macros(), sveltekit(), Icons({ compiler: 'svelte', autoInstall: true })]
+	plugins: [UnpluginTypia(), enhancedImages(), Macros(), sveltekit(), Icons({ compiler: 'svelte', autoInstall: true })]
 });