Add handler to pre-process morning brew newsletters

packages/api/src/utils/morning-brew-handler.ts

@@ -0,0 +1,37 @@
+export class MorningBrewHandler {
+  name = 'morningbrew'
+
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  shouldPrehandle = (url: URL, _dom: Document): boolean => {
+    const host = this.name + '.com'
+    // check if url ends with morningbrew.com
+    return url.hostname.endsWith(host)
+  }
+
+  prehandle = (url: URL, dom: Document): Promise<Document> => {
+    // retain the width of the cells in the table of market info
+    dom
+      .querySelectorAll('.markets-arrow-cell')
+      .forEach((c) => c.setAttribute('width', '20%'))
+    dom
+      .querySelectorAll('.markets-ticker-cell')
+      .forEach((c) => c.setAttribute('width', '34%'))
+    dom
+      .querySelectorAll('.markets-value-cell')
+      .forEach((c) => c.setAttribute('width', '34%'))
+    dom.querySelectorAll('.markets-bubble-cell').forEach((c) => {
+      const table = c.querySelector('.markets-bubble')
+      if (table) {
+        // replace the nested table with the text
+        const e = table.querySelector('.markets-table-text')
+        e && table.parentNode?.replaceChild(e, table)
+      }
+      c.setAttribute('width', '12%')
+    })
+    dom
+      .querySelectorAll('table [role="presentation"]')
+      .forEach((table) => (table.className = 'morning-brew-markets'))
+
+    return Promise.resolve(dom)
+  }
+}