initial commit

.gitignore

@@ -0,0 +1,34 @@
+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

Dockerfile

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+FROM oven/bun:latest
+
+WORKDIR /app
+
+COPY package.json bun.lock ./
+RUN bun install --production
+
+COPY . .
+
+EXPOSE 3000
+
+CMD ["bun", "index.js"]

README.md

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+# rss-tools
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run 
+```
+
+This project was created using `bun init` in bun v1.2.8. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

app.ts

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+import { Hono } from 'hono';
+import { serve } from 'bun';
+import Parser from 'rss-parser';
+import { Feed, type Item } from 'feed';
+
+const app = new Hono();
+const parser = new Parser();
+
+app.get('/group-by-day', async (c) => {
+  const feedUrl = c.req.query('feedUrl');
+  if (!feedUrl) {
+    return c.text('Missing feedUrl query parameter', 400);
+  }
+  try {
+    const { title, feedUrl: feedId, link: feedLink, items } = await parser.parseURL(feedUrl);
+
+    const grouped = items.reduce((acc, { pubDate, content, contentSnippet, summary, link }) => {
+      const day = new Date(pubDate as string).toISOString().slice(0, 10);
+      acc[day] = acc[day] || [];
+      acc[day].push({
+        link,
+        content: content || contentSnippet || summary || ''
+      });
+      return acc;
+    }, {});
+
+    const days = Object.keys(grouped).sort().reverse();
+    const today = new Date();
+    today.setHours(0, 0, 0, 0);
+
+    const feedItems: Item[] = days.map(day => {
+      const dateStr = new Date(day).toLocaleDateString('en-US', {
+        year: 'numeric',
+        month: 'long',
+        day: 'numeric'
+      });
+      return {
+        title: `${title} - ${dateStr}`,
+        id: day,
+        date: new Date(day),
+        link: grouped[day][0].link,
+        content: grouped[day].map((p: any) => p.content).join('\n\n---------------------\n\n')
+      };
+    }).filter(p => p.date < today);
+
+    const outFeed = new Feed({ 
+        title: title as string, 
+        id: feedId as string, 
+        link: feedLink,
+        copyright: ''
+    });
+
+    for (const item of feedItems) {
+        outFeed.addItem(item)
+    }
+
+    const xml = outFeed.rss2();
+
+    return c.text(xml, 200, {
+        'Content-Type': 'text/xml',
+      });
+  } catch (err: any) {
+    return c.text(`Error fetching or processing feed: ${err.message}`, 500);
+  }
+});
+
+// Start Bun server on port 3000
+serve({
+  fetch: app.fetch,
+  port: 3000
+});

bun.lock

@@ -0,0 +1,46 @@
+{
+  "lockfileVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "rss-tools",
+      "dependencies": {
+        "feed": "^5.0.1",
+        "hono": "^4.7.9",
+        "rss-parser": "^3.13.0",
+      },
+      "devDependencies": {
+        "@types/bun": "latest",
+      },
+      "peerDependencies": {
+        "typescript": "^5",
+      },
+    },
+  },
+  "packages": {
+    "@types/bun": ["@types/bun@1.2.13", "", { "dependencies": { "bun-types": "1.2.13" } }, "sha512-u6vXep/i9VBxoJl3GjZsl/BFIsvML8DfVDO0RYLEwtSZSp981kEO1V5NwRcO1CPJ7AmvpbnDCiMKo3JvbDEjAg=="],
+
+    "@types/node": ["@types/node@22.15.18", "", { "dependencies": { "undici-types": "~6.21.0" } }, "sha512-v1DKRfUdyW+jJhZNEI1PYy29S2YRxMV5AOO/x/SjKmW0acCIOqmbj6Haf9eHAhsPmrhlHSxEhv/1WszcLWV4cg=="],
+
+    "bun-types": ["bun-types@1.2.13", "", { "dependencies": { "@types/node": "*" } }, "sha512-rRjA1T6n7wto4gxhAO/ErZEtOXyEZEmnIHQfl0Dt1QQSB4QV0iP6BZ9/YB5fZaHFQ2dwHFrmPaRQ9GGMX01k9Q=="],
+
+    "entities": ["entities@2.2.0", "", {}, "sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A=="],
+
+    "feed": ["feed@5.0.1", "", { "dependencies": { "xml-js": "^1.6.11" } }, "sha512-kOveKLHucVZ6RI91bdWAts9O0L1N2mGzRGVCDQPRnHh4HmgqLdN66Cp/5dMeJZGn/qnBslWliwX37FEBq8DCIA=="],
+
+    "hono": ["hono@4.7.9", "", {}, "sha512-/EsCoR5h7N4yu01TDu9GMCCJa6ZLk5ZJIWFFGNawAXmd1Tp53+Wir4xm0D2X19bbykWUlzQG0+BvPAji6p9E8Q=="],
+
+    "rss-parser": ["rss-parser@3.13.0", "", { "dependencies": { "entities": "^2.0.3", "xml2js": "^0.5.0" } }, "sha512-7jWUBV5yGN3rqMMj7CZufl/291QAhvrrGpDNE4k/02ZchL0npisiYYqULF71jCEKoIiHvK/Q2e6IkDwPziT7+w=="],
+
+    "sax": ["sax@1.4.1", "", {}, "sha512-+aWOz7yVScEGoKNd4PA10LZ8sk0A/z5+nXQG5giUO5rprX9jgYsTdov9qCchZiPIZezbZH+jRut8nPodFAX4Jg=="],
+
+    "typescript": ["typescript@5.8.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ=="],
+
+    "undici-types": ["undici-types@6.21.0", "", {}, "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ=="],
+
+    "xml-js": ["xml-js@1.6.11", "", { "dependencies": { "sax": "^1.2.4" }, "bin": { "xml-js": "./bin/cli.js" } }, "sha512-7rVi2KMfwfWFl+GpPg6m80IVMWXLRjO+PxTq7V2CDhoGak0wzYzFgUY2m4XJ47OGdXd8eLE8EmwfAmdjw7lC1g=="],
+
+    "xml2js": ["xml2js@0.5.0", "", { "dependencies": { "sax": ">=0.6.0", "xmlbuilder": "~11.0.0" } }, "sha512-drPFnkQJik/O+uPKpqSgr22mpuFHqKdbS835iAQrUC73L2F5WkboIRd63ai/2Yg6I1jzifPFKH2NTK+cfglkIA=="],
+
+    "xmlbuilder": ["xmlbuilder@11.0.1", "", {}, "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA=="],
+  }
+}

docker-compose.yml

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+
+services:
+  app:
+    build: .
+    env_file: 
+      - .env
+    environment:
+      - PORT=${PORT:-3000}
+    ports:
+      - "${PORT:-3000}:${PORT:-3000}"
+    restart: unless-stopped

package.json

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+{
+  "name": "rss-tools",
+  "private": true,
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  },
+  "dependencies": {
+    "feed": "^5.0.1",
+    "hono": "^4.7.9",
+    "rss-parser": "^3.13.0"
+  }
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}