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Fix Threads post text extraction

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This commit is contained in:
Jordan Wages 2026-08-25 01:02:35 -05:00
commit ece11a8352
4 changed files with 52 additions and 2 deletions
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18
tests/definition-engine.test.ts
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@ -1,4 +1,5 @@
import { describe, expect, it } from "vitest";
import { readFileSync } from "node:fs";
import { DefinitionEngine, matchesUrlPattern, selectDefinition } from "../src/content/definition-engine";
import { BUILTIN_DEFINITIONS } from "../src/content/definitions";
import type { SiteDefinition } from "../src/shared/types";
@ -59,4 +60,21 @@ describe("DefinitionEngine", () => {
stop();
expect(observed).toContain("content warning revealed text");
});
it("discovers Threads posts from stable semantic/data selectors and permalink IDs", () => {
document.body.innerHTML = readFileSync("tests/fixtures/threads-feed.html", "utf8");
const threads = BUILTIN_DEFINITIONS.find((candidate) => candidate.id === "threads")!;
const posts = new DefinitionEngine(threads).discover(document);
expect(posts.map((post) => post.id)).toEqual(["threads:http://localhost:3000/@alice/post/ABC123", "threads:http://localhost:3000/@bob/post/DEF456"]);
expect(posts.map((post) => post.text)).toEqual(["first threads post with visible text", "a reply in the conversation"]);
});
it("selects Threads on current and legacy domains", () => {
const threads = BUILTIN_DEFINITIONS.find((candidate) => candidate.id === "threads")!;
document.body.innerHTML = '<div data-pressable-container="true"></div>';
for (const url of ["https://threads.com/home", "https://www.threads.com/@alice/post/ABC123", "https://threads.net/home", "https://www.threads.net/@alice/post/ABC123"]) {
expect(selectDefinition([threads], url)).toBe(threads);
}
expect(selectDefinition([threads], "https://example.com/home")).toBeUndefined();
});
});

15
tests/fixtures/threads-feed.html vendored Normal file
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@ -0,0 +1,15 @@
<main>
<div data-pressable-container="true">
<a href="/@alice"><span dir="auto">alice</span></a>
<a href="/@alice/post/ABC123"><time><span dir="auto">12h</span></time></a>
<span dir="auto">First Threads post with <span>visible text</span></span>
<button><span dir="auto">Like</span></button>
<time><span dir="auto">1h</span></time>
</div>
<div role="article">
<a href="/@bob"><span dir="auto">bob</span></a>
<a href="/@bob/post/DEF456"><time><span dir="auto">1d</span></time></a>
<span dir="auto">A reply in the conversation</span>
<div aria-hidden="true">Decorative content</div>
</div>
</main>