fix links parsing

src/utils/links.ts

@@ -0,0 +1,41 @@
+import { URL } from "url";
+
+const simpleUrlRegex = /(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s\]]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s\]]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s\]]{2,}|www\.[a-zA-Z0-9]+\.[^\s\]]{2,})/gim;
+const weirdLongUrlRegex = /\[(.*)\|(.*)\|(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s\]]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s\]]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s\]]{2,}|www\.[a-zA-Z0-9]+\.[^\s\]]{2,})\]/g;
+
+/** Extracts URLs from text */
+export const extractURLs = (text: string): URL[] => {
+  const matches = text.match(simpleUrlRegex) || [];
+
+  return matches
+    .map((m) => {
+      try {
+        return new URL(m);
+      } catch (e) {
+        return;
+      }
+    })
+    .filter((el) => el) as URL[];
+};
+
+/** Adds ... to text if its length exceeds maxLength */
+const trimTo = (val: string, maxLength: number) =>
+  val.length > maxLength ? val.substring(0, maxLength - 1).concat("…") : val;
+
+/** Formatting all links in markdown output, trimming them to reasonable length */
+export const transformMDLinks = (value: string) =>
+  value
+    .replace(weirdLongUrlRegex, (val, ...args) => {
+      if (args.length < 2) {
+        return val;
+      }
+
+      return `[${trimTo(args[1], 20)}](${args[2]})`;
+    })
+    .replace(simpleUrlRegex, (val) => {
+      if (val.endsWith(")")) {
+        return val;
+      }
+
+      return `[${trimTo(val, 20)}](${val})`;
+    });