tiktok behavior: (#116)

- click on 'comments' button, if available
- better captcha detection
- use 'not_logged_in' for now until more general reasons supported in Browsertrix
- bump to 0.9.7

Author: ikreymer

package.json

@@ -1,6 +1,6 @@
 {
   "name": "browsertrix-behaviors",
-  "version": "0.9.6",
+  "version": "0.9.7",
   "main": "index.js",
   "author": "Webrecorder Software",
   "license": "AGPL-3.0-or-later",

src/site/tiktok.ts

@@ -1,4 +1,5 @@
 const Q = {
+  commentButton: "button[aria-label^='Read or add comments']",
   commentList: "//div[contains(@class, 'CommentListContainer')]",
   commentItem: "div[contains(@class, 'CommentItemContainer')]",
   viewMoreReplies: ".//p[contains(@class, 'ReplyActionText')]",
@@ -15,7 +16,7 @@ export const BREADTH_ALL = Symbol("BREADTH_ALL");
 export class TikTokSharedBehavior {
   async awaitPageLoad(ctx: any) {
     const { assertContentValid, waitUntilNode } = ctx.Lib;
-    await waitUntilNode(Q.pageLoadWaitUntil, document, null, 10000);
+    await waitUntilNode(Q.pageLoadWaitUntil, document, null, 20000);
 
     assertContentValid(
       () => !!document.querySelector("*[aria-label='Messages']"),
@@ -68,8 +69,27 @@ export class TikTokVideoBehavior extends TikTokSharedBehavior {
       scrollIntoView,
       getState,
       assertContentValid,
+      sleep,
     } = ctx.Lib;
 
+    const showComments = document.querySelector(Q.commentButton);
+    if (showComments) {
+      (showComments as HTMLButtonElement).click();
+      await sleep(10000);
+    }
+
+    // assert no captcha every 0.5 seconds
+    void (async () => {
+      // eslint-disable-next-line no-constant-condition
+      while (true) {
+        if (document.querySelector("div[class*=captcha]")) {
+          assertContentValid(false, "not_logged_in");
+          break;
+        }
+        await sleep(500);
+      }
+    })();
+
     const commentList = xpathNode(Q.commentList);
     const commentItems = iterChildMatches(Q.commentItem, commentList);
     for await (const item of commentItems) {
@@ -79,12 +99,6 @@ export class TikTokVideoBehavior extends TikTokSharedBehavior {
       yield* this.expandThread(ctx, item);
     }
 
-    // assert no captcha
-    assertContentValid(
-      () => !document.querySelector("div[class*=captcha]"),
-      "captcha_found",
-    );
-
     yield getState(ctx, "TikTok Video Behavior Complete");
   }
 }