utils cleanup, initial static generation

src/utils/proxy/cookie-jar.js

@@ -0,0 +1,34 @@
+/* eslint-disable no-param-reassign */
+import { Cookie, CookieJar } from 'tough-cookie';
+
+const cookieJar = new CookieJar();
+
+export function setCookieHeader(url, params) {
+  // add cookie header, if we have one in the jar
+  const existingCookie = cookieJar.getCookieStringSync(url.toString());
+  if (existingCookie) {
+    params.headers = params.headers ?? {};
+    params.headers.Cookie = existingCookie;
+  }
+}
+
+export function addCookieToJar(url, headers) {
+  let cookieHeader = headers['set-cookie'];
+  if (headers instanceof Headers) {
+    cookieHeader = headers.get('set-cookie');
+  }
+
+  if (!cookieHeader || cookieHeader.length === 0) return;
+
+  let cookies = null;
+  if (cookieHeader instanceof Array) {
+    cookies = cookieHeader.map(Cookie.parse);
+  }
+  else {
+    cookies = [Cookie.parse(cookieHeader)];
+  }
+
+  for (let i = 0; i < cookies.length; i += 1) {
+    cookieJar.setCookieSync(cookies[i], url.toString());
+  }
+}