1 files changed, 67 insertions, 0 deletions
diff --git a/src/utility/feed/helper.ts b/src/utility/feed/helper.ts
new file mode 100644
index 0000000..0177364
--- /dev/null
+++ b/src/utility/feed/helper.ts
@@ -0,0 +1,67 @@
+
+
+
+/*** EXPORT ------------------------------------------- ***/
+
+export interface FeedOptions {
+  authors: Array<{
+    name: string;
+    email?: string;
+    link?: string;
+  }>;
+  copyright?: string;
+  description: string;
+  feed?: string;
+  feedLinks?: {
+    atom?: string;
+  };
+  generator?: string;
+  icon?: string;
+  id?: string;
+  language?: string;
+  link: string;
+  title: string;
+  updated?: Date;
+}
+
+export function escapeXML(unsafe: string): string {
+  const escapeMap: { [key: string]: string } = {
+    "<": "&lt;",
+    ">": "&gt;",
+    "&": "&amp;",
+    "'": "&apos;",
+    '"': "&quot;"
+  };
+
+  return unsafe.replace(/[<>&'"]/g, (c) => escapeMap[c] || c);
+}
+
+export abstract class BaseFeed<T> {
+  protected categories: Set<string>;
+  protected items: Array<T>;
+  protected options: FeedOptions;
+
+  constructor(options: FeedOptions) {
+    this.categories = new Set();
+    this.items = [];
+
+    this.options = {
+      ...options,
+      updated: options.updated || new Date()
+    };
+  }
+
+  abstract build(): string;
+
+  addCategory(category: string) {
+    this.categories.add(category);
+  }
+
+  addContributor(contributor: { name: string; email: string; link?: string }) {
+    this.options.authors.push(contributor);
+  }
+
+  addItem(item: T) {
+    this.items.push(item);
+  }
+}