working rss feed to nostr publish

node_modules/@extractus/feed-extractor/src/utils/parseJsonFeed.js

@@ -0,0 +1,89 @@
+// parseJsonFeed.js
+
+// specs: https://www.jsonfeed.org/version/1.1/
+
+import { isArray } from 'bellajs'
+
+import {
+  toISODateString,
+  buildDescription,
+  getEntryId
+} from './normalizer.js'
+
+import { absolutify, purify as purifyUrl } from './linker.js'
+
+const transform = (item, options) => {
+  const {
+    useISODateFormat,
+    descriptionMaxLen,
+    baseUrl,
+    getExtraEntryFields,
+  } = options
+
+  const {
+    id = '',
+    title = '',
+    url: link = '',
+    date_published: pubDate = '',
+    summary = '',
+    content_html: htmlContent = '',
+    content_text: textContent = '',
+  } = item
+
+  const published = useISODateFormat ? toISODateString(pubDate) : pubDate
+  const extraFields = getExtraEntryFields(item)
+
+  const entry = {
+    id: getEntryId(id, link, pubDate),
+    title,
+    link: purifyUrl(link) || absolutify(baseUrl, link),
+    published,
+    description: buildDescription(textContent || htmlContent || summary, descriptionMaxLen),
+  }
+
+  return {
+    ...entry,
+    ...extraFields,
+  }
+}
+
+const parseJson = (data, options) => {
+  const {
+    normalization,
+    baseUrl,
+    getExtraFeedFields,
+  } = options
+
+  if (!normalization) {
+    return data
+  }
+
+  const {
+    title = '',
+    home_page_url: homepageUrl = '',
+    description = '',
+    language = '',
+    items: item = [],
+  } = data
+
+  const extraFields = getExtraFeedFields(data)
+
+  const items = isArray(item) ? item : [item]
+
+  return {
+    title,
+    link: purifyUrl(homepageUrl) || absolutify(baseUrl, homepageUrl),
+    description,
+    language,
+    published: '',
+    generator: '',
+    ...extraFields,
+    entries: items.map((item) => {
+      return transform(item, options)
+    }),
+  }
+}
+
+export default (data, options = {}) => {
+  return parseJson(data, options)
+}