refactor(pages): refine RSS feed

* add favicon
* add item categories
* add item image
* add item author
* add item update date (it seems `date` is used as update date by Feed)
* change copyright format
* fix ESlint errors
* fix atom and json links

1 files changed, 35 insertions, 0 deletions

diff --git a/src/utils/helpers/rss.test.ts b/src/utils/helpers/rss.test.ts
new file mode 100644
index 0000000..b04f6d3
--- /dev/null
+++ b/src/utils/helpers/rss.test.ts
@@ -0,0 +1,35 @@
+import { describe, expect, it } from '@jest/globals';
+import { CONFIG } from '../config';
+import { ROUTES } from '../constants';
+import { generateFeed } from './rss';
+
+describe('generate-feed', () => {
+  /* eslint-disable max-statements */
+  it('generates a rss feed', async () => {
+    const feed = await generateFeed();
+
+    // eslint-disable-next-line @typescript-eslint/no-magic-numbers
+    expect.assertions(10);
+
+    expect(feed.options.author).toStrictEqual({
+      name: CONFIG.name,
+      email: process.env.APP_AUTHOR_EMAIL,
+      link: CONFIG.url,
+    });
+    expect(feed.options.copyright).toBe(
+      `\u00A9 ${CONFIG.copyright.startYear} - ${CONFIG.copyright.endYear} ${CONFIG.name} - CC BY SA`
+    );
+    expect(feed.options.description).toBe(process.env.APP_FEED_DESCRIPTION);
+    expect(feed.options.favicon).toBe(`${CONFIG.url}/favicon.ico`);
+    expect(feed.options.feedLinks).toStrictEqual({
+      json: `${CONFIG.url}${ROUTES.RSS}.json`,
+      atom: `${CONFIG.url}${ROUTES.RSS}/atom`,
+    });
+    expect(feed.options.generator).toBe('Feed & NextJS');
+    expect(feed.options.language).toBe(CONFIG.locales.defaultLocale);
+    expect(feed.options.link).toBe(CONFIG.url);
+    expect(feed.options.title).toBe(`${CONFIG.name} | ${CONFIG.baseline}`);
+    expect(feed.items.length).toBeGreaterThan(0);
+  });
+  /* eslint-enable max-statements */
+});