Refactor with native deno serve

Dockerfile

@@ -23,4 +23,4 @@ WORKDIR /deno-dir
 COPY . .
 
 ENTRYPOINT ["/bin/deno"]
-CMD ["--allow-net", "https://deno.land/std/examples/echo_server.ts"]
+CMD ["run", "serve"]

deno.json

@@ -1,16 +1,19 @@
 {
 	"tasks": {
-		"dev": "deno --allow-net --watch source/app.js",
+		"serve": "deno serve source/app.ts",
+		"dev": "deno serve --watch source/app.ts",
 		"bump": "deno add npm:simple-icons@latest",
-		"update-lockfile": "deno cache --reload source/app.js source/colors.js source/icon.js source/utils.js test/viewbox.test.js"
+		"update-lockfile": "deno cache --reload source/app.ts source/colors.ts source/icon.ts source/utils.ts test/viewbox.test.ts"
 	},
 	"fmt": {
 		"useTabs": true,
 		"singleQuote": true,
-		"exclude": ["README.md"]
+		"exclude": [
+			"README.md"
+		]
 	},
 	"imports": {
-		"@oak/oak": "jsr:@oak/oak@^16.1.0",
+		"@std/http": "jsr:@std/http@^1.0.5",
 		"simple-icons": "npm:simple-icons@^13.8.0",
 		"svg-path-bbox": "npm:svg-path-bbox@^2.1.0",
 		"svgpath": "npm:svgpath@^2.6.0"

fly.toml

@@ -4,13 +4,13 @@ primary_region = 'sjc'
 [build]
 
 [env]
-  PORT = '8080'
+  PORT = '8000'
 
 [processes]
-  app = '--allow-net ./source/app.js'
+  app = 'run serve'
 
 [http_service]
-  internal_port = 8080
+  internal_port = 8000
   force_https = true
   auto_stop_machines = 'off'
   auto_start_machines = true

source/app.ts

@@ -0,0 +1,81 @@
+import { Route, route } from '@std/http';
+import { getIconSvg, getSimpleIcon } from './icon.ts';
+
+const cacheForOneYearHeader =
+	'public, max-age=31536000, s-maxage=31536000, immutable';
+const cacheForSevenDaysHeader =
+	'public, max-age=86400, s-maxage=31536000, stale-while-revalidate=604800';
+
+const routes: Route[] = [
+	{
+		pattern: new URLPattern({ pathname: '/' }),
+		handler: () => {
+			return new Response(
+				null,
+				{
+					headers: {
+						'Cache-Control': cacheForOneYearHeader,
+						'Location': 'https://github.com/LitoMore/simple-icons-cdn',
+					},
+					status: 307,
+				},
+			);
+		},
+	},
+	{
+		pattern: new URLPattern({ pathname: '/favicon.ico' }),
+		handler: () => {
+			return new Response(null, {
+				headers: {
+					'Cache-Control': cacheForOneYearHeader,
+				},
+				status: 204,
+			});
+		},
+	},
+	{
+		pattern: new URLPattern({ pathname: '/:iconSlug/:color?/:darkModeColor?' }),
+		handler: (request, _info, params) => {
+			const url = new URL(request.url);
+			const viewbox = url.searchParams.get('viewbox') || undefined;
+			const size = url.searchParams.get('size') || undefined;
+			const iconSlug = params?.pathname.groups.iconSlug;
+			const color = params?.pathname.groups.color;
+			const darkModeColor = params?.pathname.groups.darkModeColor;
+			const icon = getSimpleIcon(iconSlug);
+			if (icon) {
+				const iconSvg = getIconSvg(icon, color, darkModeColor, viewbox, size);
+				return new Response(iconSvg, {
+					headers: {
+						'Access-Control-Allow-Origin': '*',
+						'Content-Type': 'image/svg+xml',
+						'Cache-Control': cacheForSevenDaysHeader,
+					},
+				});
+			}
+
+			return new Response(null, {
+				headers: {
+					'Access-Control-Allow-Origin': '*',
+					'Cache-Control': cacheForSevenDaysHeader,
+				},
+				status: 404,
+			});
+		},
+	},
+];
+
+const defaultHandler = () => {
+	return new Response(null, {
+		headers: { 'Cache-Control': cacheForSevenDaysHeader },
+		status: 405,
+	});
+};
+
+const handler = route(routes, defaultHandler);
+
+export default {
+	fetch(req) {
+		return handler(req);
+	},
+} satisfies Deno.ServeDefaultExport;

source/colors.js → source/colors.ts

@@ -147,4 +147,4 @@ export const cssKeywords = {
 	whitesmoke: '#f5f5f5',
 	yellow: '#ffff00',
 	yellowgreen: '#9acd32',
-};
+} as const;