add feed command, this should have committed before

commands/feed.js

@@ -0,0 +1,40 @@
+const { parentPort, workerData } = require('worker_threads');
+const { provfeed, n } = workerData;
+let Parser = require('rss-parser');
+let parser = new Parser({
+    headers: {'User-Agent': config.feed.useragent},
+});
+const striptags = require("striptags");
+const config = require('../config/default.json')
+
+async function sendUpstream(content) {
+    var output = content.join("\n")
+    parentPort.postMessage(output);
+    process.exit()
+}
+
+async function fetchFeed(feedURL, n) {
+    var content = [];
+    let newFeed = await parser.parseURL(feedURL);
+    //for (let i = 0; i < newFeed.items.length; i++) {
+    for (let i = 0; i < n; i++) {
+        var data = newFeed.items[i]
+        var title = data.title.replace(/(\r\n|\n|\r)/gm, " ") //remove line breaks
+            .replace(/\s{2,}/g, ' ') //idk
+        var title = striptags(title);
+        var body = data.contentSnippet.replace(/(\r\n|\n|\r)/gm, " ") //remove line breaks
+            .replace(/\s{2,}/g, ' ') //idk
+        var body = striptags(body);
+        if (body.length >= config.feed.body_max_chars) {
+            var truncatedString = body.substring(0,config.feed.body_max_chars);
+            var body = truncatedString + "..."
+        }
+        console.log(data);
+        var string = "15[11" + data.pubDate + "15] - 08" + title + " - " + body + " - " + data.link;
+        var output = string;
+        content.push(output)
+    }
+    sendUpstream(content);
+}
+
+fetchFeed(provfeed, n);