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Fix Threads dynamic post discovery

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This commit is contained in:
Jordan Wages 2026-08-25 01:48:30 -05:00
commit 134157bc71
5 changed files with 28 additions and 8 deletions
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17
tests/definition-engine.test.ts
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@ -61,6 +61,21 @@ describe("DefinitionEngine", () => {
expect(observed).toContain("content warning revealed text");
});
it("discovers Threads posts appended after observation starts", async () => {
document.body.innerHTML = '<main><div role="article"><span dir="auto">Initial post</span></div></main>';
const threads = BUILTIN_DEFINITIONS.find((candidate) => candidate.id === "threads")!;
const engine = new DefinitionEngine(threads);
const observed: string[] = [];
const stop = engine.observe((posts) => observed.push(...posts.map((post) => post.text)));
const post = document.createElement("div");
post.setAttribute("role", "article");
post.innerHTML = '<span dir="auto">Scrolled-in post</span>';
document.querySelector("main")?.append(post);
await new Promise((resolve) => setTimeout(resolve, 0));
stop();
expect(observed).toContain("scrolled-in post");
});
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")!;
@ -71,7 +86,7 @@ describe("DefinitionEngine", () => {
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>';
document.body.innerHTML = '<div role="article" 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);
}

2
tests/fixtures/threads-feed.html vendored
View file

@ -1,5 +1,5 @@
<main>
<div data-pressable-container="true">
<div role="article" 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>