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Fix zerochan and new.reddit + add/cleanup tests

pull/16/head
neobooru 2021-11-22 00:28:32 +01:00
parent 32713f5ff4
commit b222782b21
22 changed files with 1605 additions and 703 deletions
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13
package.json
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@ -1,6 +1,6 @@
{
"name": "neo-scraper",
"version": "0.5.0",
"version": "0.5.1",
"description": "Scrape a booru-like post object from the DOM.",
"main": "dist/index.js",
"types": "dist/index.d.js",
@ -14,16 +14,16 @@
"license": "MIT",
"devDependencies": {
"@types/expect-puppeteer": "^4.4.7",
"@types/jest": "^27.0.3",
"@types/jest": "^26.0.14",
"@types/jest-environment-puppeteer": "^4.4.1",
"@types/jsdom": "^12.2.4",
"@types/puppeteer": "^5.4.4",
"@types/turndown": "^5.0.1",
"jest": "^27.3.1",
"jest": "^26.6.3",
"jest-puppeteer": "^6.0.0",
"jsdom": "^15.2.1",
"puppeteer": "^11.0.0",
"ts-jest": "^27.0.7",
"ts-jest": "^26.5.6",
"typescript": "^4.5.2"
},
"jest": {
@ -35,7 +35,10 @@
"ts",
"js"
],
"testRegex": "^.+\\.test\\.ts$"
"testRegex": "^.+\\.test\\.ts$",
"setupFilesAfterEnv": [
"./src/test/jest.setup.ts"
]
},
"dependencies": {
"turndown": "^7.1.1"

191
src/NeoScraper.test.ts
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@ -1,41 +1,4 @@
import { ConstructorOptions, JSDOM } from "jsdom";
import NeoScraper from "./NeoScraper";
import { ScrapeResults } from "./ScrapeEngine";
async function scrapeUrl(url: string) {
const dom = await JSDOM.fromURL(url);
return scrapeDom(dom.window.document);
}
async function scrapeEvalUrl(url: string, waitForSelector: string) {
await page.goto(url);
await page.waitForSelector(waitForSelector, { visible: true });
const document = await page.content();
return scrapeHtml(url, document);
}
async function scrapeHtml(url: string, html: string) {
const dom = new JSDOM(html, <ConstructorOptions>{ url });
return scrapeDom(dom.window.document);
}
async function scrapeDom(document: Document) {
const scraper = new NeoScraper();
return scraper.scrapeDocument(document);
}
beforeAll(() => {
// Expose JSDOM Element constructor
// @ts-ignore
global.Element = new JSDOM().window.Element;
// 'Implement' innerText in JSDOM: https://github.com/jsdom/jsdom/issues/1245
// @ts-ignore
Object.defineProperty(global.Element.prototype, "innerText", {
get() {
return this.textContent.replace(/(\r\n|\n|\r|^\s+|\s+$)/gm, "");
},
});
});
test("create scraper with default engines", async () => {
const scraper = new NeoScraper();
@ -53,157 +16,3 @@ test("all default scrapers have unique names", () => {
}
}
});
// All links are SFW unless stated otherwise
// Anime pictures
describe("anime-pictures.net", () => {
test("get anime-pictures.net post 729833", async () => {
const pageUrl = "https://anime-pictures.net/pictures/view_post/729833?lang=en";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://anime-pictures.net/pictures/download_image/729833-4000x6865-arknights-ch%26%2339%3Ben+%28arknights%29-ttk+%28kirinottk%29-single-long+hair-tall+image.jpeg"
);
});
});
describe("danbooru", () => {
test("get danbooru.donmai.us post 3555872", async () => {
const pageUrl = "https://danbooru.donmai.us/posts/3555872";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://cdn.donmai.us/original/90/33/__flint_girls_und_panzer_and_1_more_drawn_by_omachi_slabco__90332299216db81b8793084e4cb7c15d.jpg"
);
});
test("get danbooru.donmai.us post 4924490", async () => {
const pageUrl = "https://danbooru.donmai.us/posts/4924490";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://cdn.donmai.us/original/c5/fb/__yuuki_and_tamaki_princess_connect_drawn_by_yuureidoushi_yuurei6214__c5fbc62758d0f1d8c07aac524282434e.png"
);
expect(res.posts[0].notes).toHaveLength(17);
expect(res.posts[0].notes[0].text).toBe("Nya~nya ♪");
});
});
describe("gelbooru", () => {
test("get safebooru.org post 2871532", async () => {
const pageUrl = "https://safebooru.org/index.php?page=post&s=view&id=2871532";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://safebooru.org//images/2757/5f19c7744db918c3d4c4c6035bc65dfa9e18866f.jpg"
);
});
test("get gelbooru.com post 4925055", async () => {
const pageUrl = "https://gelbooru.com/index.php?page=post&s=view&id=4925055&tags=kimetsu_no_yaiba";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://img3.gelbooru.com/images/3d/03/3d03f6858637805d6473d390a4b1d8c8.jpg");
});
test("get rule34.xxx post 2740994", async () => {
const pageUrl = "https://rule34.xxx/index.php?page=post&s=view&id=2740994";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toContain(".rule34.xxx//images/2472/35bf31c98f53a369c047baf9bae496fb.jpeg");
});
});
describe("moebooru", () => {
test("get yande.re post 438510", async () => {
const pageUrl = "https://yande.re/post/show/438510";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://files.yande.re/image/49b79bc372716a579d8525dcaccb56e2/yande.re%20438510%20landscape%20link%20nintendo%20princess_zelda%20sword%20the_legend_of_zelda%20the_legend_of_zelda%3A_breath_of_the_wild.jpg"
);
});
test("get konachan.com post 289968", async () => {
const pageUrl = "https://konachan.com/post/show/289968/ahri_-league_of_legends-akali-animal_ears-blonde_h";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://konachan.com/image/e40b38fb704434e4da3eae41e26bca39/Konachan.com%20-%20289968%20akali%20blue_eyes%20breasts%20choker%20cleavage%20evelynn%20foxgirl%20gloves%20group%20hat%20kai%27sa%20long_hair%20microphone%20ponytail%20saphirya%20short_hair%20signed%20watermark.jpg"
);
});
});
// Commented out because it doesn't work.
// describe("pixiv", () => {
// describe("get pixiv post 93964654", () => {
// const pageUrl = "https://www.pixiv.net/en/artworks/93964654";
// let res: ScrapeResults;
// beforeAll(async () => {
// res = await scrapeEvalUrl(pageUrl, ".gtm-expand-full-size-illust");
// });
// it("should grab original image url", async () => {
// expect(res.posts.length).toBe(1);
// expect(res.posts[0].pageUrl).toBe(pageUrl);
// expect(res.posts[0].contentUrl).toBe("https://i.pximg.net/img-original/img/2021/11/07/00/01/02/93964654_p0.jpg");
// });
// });
// });
describe("reddit", () => {
test("get old.reddit.com post", async () => {
const pageUrl = "https://old.reddit.com/r/IceCreamWaifu/comments/ce0wgh/rtx_2018_neo_luluchan92/";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://i.redd.it/ln8ahz17kpa31.jpg");
});
// test("get new.reddit.com post", async () => {
// const pageUrl = "https://new.reddit.com/r/IceCreamWaifu/comments/ce0wgh/rtx_2018_neo_luluchan92/";
// const res = await scrapeUrl(pageUrl);
// expect(res.posts.length).toBe(1);
// expect(res.posts[0].pageUrl).toBe(pageUrl);
// expect(res.posts[0].contentUrl).toBe("https://i.redd.it/ln8ahz17kpa31.jpg");
// });
});
describe("shimmie2", () => {
test("get rule34.paheal.net post 2505982", async () => {
const pageUrl = "https://rule34.paheal.net/post/view/2505982"; // Somewhat sketchy
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toContain(
".paheal.net/_images/15427ab5ed2cddbeef947e30f5c9cab6/2505982%20-%20Kai%27Sa%20League_of_Legends%20lawzilla.png"
);
});
});
describe("twitter", () => {
describe("get twitter.com post", () => {
const pageUrl = "https://twitter.com/Dishwasher1910/status/1171162651461746688/photo/1";
let res: ScrapeResults;
beforeAll(async () => {
res = await scrapeEvalUrl(pageUrl, "img[alt='Image']");
});
it("should grab original image url", async () => {
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://pbs.twimg.com/media/EEDOOCdU0AAHX00?format=jpg&name=orig");
});
});
});

2
src/ScrapeEngine.ts
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@ -39,7 +39,7 @@ export class ScrapeResult {
tryAddPost(post: ScrapedPost) {
if (!post.contentUrl) {
console.log(`[${this.engine}] Not adding post because imageUrl is unset!`);
console.log(`[${this.engine}] Not adding post because contentUrl is unset!`);
} else {
this.posts.push(post);
}

11
src/engines/AnimePictures.test.ts Normal file
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@ -0,0 +1,11 @@
import { scrapeUrl } from "../test/engine";
test("get anime-pictures.net post 729833", async () => {
const pageUrl = "https://anime-pictures.net/pictures/view_post/729833?lang=en";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://anime-pictures.net/pictures/download_image/729833-4000x6865-arknights-ch%26%2339%3Ben+%28arknights%29-ttk+%28kirinottk%29-single-long+hair-tall+image.jpeg"
);
});

23
src/engines/Danbooru.test.ts Normal file
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@ -0,0 +1,23 @@
import { scrapeUrl } from "../test/engine";
test("get danbooru.donmai.us post 3555872", async () => {
const pageUrl = "https://danbooru.donmai.us/posts/3555872";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://cdn.donmai.us/original/90/33/__flint_girls_und_panzer_and_1_more_drawn_by_omachi_slabco__90332299216db81b8793084e4cb7c15d.jpg"
);
});
test("get danbooru.donmai.us post 4924490", async () => {
const pageUrl = "https://danbooru.donmai.us/posts/4924490";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://cdn.donmai.us/original/c5/fb/__yuuki_and_tamaki_princess_connect_drawn_by_yuureidoushi_yuurei6214__c5fbc62758d0f1d8c07aac524282434e.png"
);
expect(res.posts[0].notes).toHaveLength(17);
expect(res.posts[0].notes[0].text).toBe("Nya~nya ♪");
});

4
src/engines/FurAffinity.ts
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@ -19,10 +19,6 @@ export default class e621 implements ScrapeEngine {
const downloadEl = document.querySelector("#submissionImg") as HTMLImageElement;
post.contentUrl = downloadEl?.src;
if (post.contentUrl == undefined) {
return result;
}
// Set content type
post.contentType = guessContentType(post.contentUrl);

27
src/engines/Gelbooru.test.ts Normal file
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@ -0,0 +1,27 @@
import { scrapeUrl } from "../test/engine";
test("get safebooru.org post 2871532", async () => {
const pageUrl = "https://safebooru.org/index.php?page=post&s=view&id=2871532";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://safebooru.org//images/2757/5f19c7744db918c3d4c4c6035bc65dfa9e18866f.jpg"
);
});
test("get gelbooru.com post 4925055", async () => {
const pageUrl = "https://gelbooru.com/index.php?page=post&s=view&id=4925055&tags=kimetsu_no_yaiba";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://img3.gelbooru.com/images/3d/03/3d03f6858637805d6473d390a4b1d8c8.jpg");
});
test("get rule34.xxx post 2740994", async () => {
const pageUrl = "https://rule34.xxx/index.php?page=post&s=view&id=2740994";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toContain(".rule34.xxx//images/2472/35bf31c98f53a369c047baf9bae496fb.jpeg");
});

4
src/engines/Gelbooru.ts
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@ -53,10 +53,6 @@ export default class Gelbooru extends ScrapeEngineBase {
.filter((x) => x && x.innerText == "Original image")
.map((x) => (post.contentUrl = x.href));
if (post.contentUrl == undefined) {
return result;
}
// Set content type
if (document.getElementById("gelcomVideoPlayer") != null) {
post.contentType = "video";

21
src/engines/Moebooru.test.ts Normal file
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@ -0,0 +1,21 @@
import { scrapeUrl } from "../test/engine";
test("get yande.re post 438510", async () => {
const pageUrl = "https://yande.re/post/show/438510";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://files.yande.re/image/49b79bc372716a579d8525dcaccb56e2/yande.re%20438510%20landscape%20link%20nintendo%20princess_zelda%20sword%20the_legend_of_zelda%20the_legend_of_zelda%3A_breath_of_the_wild.jpg"
);
});
test("get konachan.com post 289968", async () => {
const pageUrl = "https://konachan.com/post/show/289968/ahri_-league_of_legends-akali-animal_ears-blonde_h";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe(
"https://konachan.com/image/e40b38fb704434e4da3eae41e26bca39/Konachan.com%20-%20289968%20akali%20blue_eyes%20breasts%20choker%20cleavage%20evelynn%20foxgirl%20gloves%20group%20hat%20kai%27sa%20long_hair%20microphone%20ponytail%20saphirya%20short_hair%20signed%20watermark.jpg"
);
});

18
src/engines/Pixiv.test.ts Normal file
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@ -0,0 +1,18 @@
import { ScrapeResults } from "../ScrapeEngine";
import { scrapeEvalUrl } from "../test/engine";
describe("get pixiv post 93964654", () => {
const pageUrl = "https://www.pixiv.net/en/artworks/93964654";
let res: ScrapeResults;
beforeAll(async () => {
res = await scrapeEvalUrl(pageUrl, ".gtm-expand-full-size-illust");
});
it("should grab original image url", async () => {
pending("Test does not work.");
// expect(res.posts.length).toBe(1);
// expect(res.posts[0].pageUrl).toBe(pageUrl);
// expect(res.posts[0].contentUrl).toBe("https://i.pximg.net/img-original/img/2021/11/07/00/01/02/93964654_p0.jpg");
});
});

17
src/engines/Reddit.test.ts Normal file
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@ -0,0 +1,17 @@
import { scrapeUrl } from "../test/engine";
test("get old.reddit.com post", async () => {
const pageUrl = "https://old.reddit.com/r/IceCreamWaifu/comments/ce0wgh/rtx_2018_neo_luluchan92/";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://i.redd.it/ln8ahz17kpa31.jpg");
});
test("get new.reddit.com post", async () => {
const pageUrl = "https://new.reddit.com/r/IceCreamWaifu/comments/ce0wgh/rtx_2018_neo_luluchan92/";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://i.redd.it/ln8ahz17kpa31.jpg");
});

6
src/engines/Reddit.ts
View File

@ -21,9 +21,9 @@ export default class Reddit implements ScrapeEngine {
}
// For new reddit
const newLinkElements = document.querySelectorAll("div[data-test-id='post-content'] > div > a");
if (newLinkElements.length > 0) {
post.contentUrl = (newLinkElements[0] as HTMLAnchorElement).href;
const newLinkEl = document.querySelector("div[data-test-id='post-content'] img.ImageBox-image")?.parentElement;
if (newLinkEl) {
post.contentUrl = (newLinkEl as HTMLAnchorElement).href;
}
if (post.contentUrl != undefined) {

11
src/engines/Shimmie2.test.ts Normal file
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@ -0,0 +1,11 @@
import { scrapeUrl } from "../test/engine";
test("get rule34.paheal.net post 2505982", async () => {
const pageUrl = "https://rule34.paheal.net/post/view/2505982"; // Somewhat sketchy
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toContain(
".paheal.net/_images/15427ab5ed2cddbeef947e30f5c9cab6/2505982%20-%20Kai%27Sa%20League_of_Legends%20lawzilla.png"
);
});

4
src/engines/Shimmie2.ts
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@ -27,10 +27,6 @@ export default class Shimmie2 implements ScrapeEngine {
}
}
if (post.contentUrl == undefined) {
return result;
}
// Set content type
post.contentType = guessContentType(post.contentUrl);

9
src/engines/Shuushuu.test.ts Normal file
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@ -0,0 +1,9 @@
import { scrapeUrl } from "../test/engine";
test("get e-shuushuu.net post 1063586", async () => {
const pageUrl = "https://e-shuushuu.net/image/1063586/";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://e-shuushuu.net/images/2021-08-28-1063586.jpeg");
});

17
src/engines/Twitter.test.ts Normal file
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@ -0,0 +1,17 @@
import { ScrapeResults } from "../ScrapeEngine";
import { scrapeEvalUrl } from "../test/engine";
describe("get twitter.com post", () => {
const pageUrl = "https://twitter.com/Dishwasher1910/status/1171162651461746688/photo/1";
let res: ScrapeResults;
beforeAll(async () => {
res = await scrapeEvalUrl(pageUrl, "img[alt='Image']");
});
it("should grab original image url", async () => {
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].contentUrl).toBe("https://pbs.twimg.com/media/EEDOOCdU0AAHX00?format=jpg&name=orig");
});
});

19
src/engines/Zerochan.test.ts Normal file
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@ -0,0 +1,19 @@
import { scrapeUrl } from "../test/engine";
test("get zerochan.net post 2934998", async () => {
const pageUrl = "https://www.zerochan.net/2934998";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0].tags.find((x) => x.name == "nintendo")).not.toBeUndefined();
expect(res.posts[0].contentUrl).toBe("https://static.zerochan.net/Shirona.%28Pok%C3%A9mon%29.full.2934998.png");
});
test("get zerochan.net gif post 3511809", async () => {
const pageUrl = "https://www.zerochan.net/3511809";
const res = await scrapeUrl(pageUrl);
expect(res.posts.length).toBe(1);
expect(res.posts[0].pageUrl).toBe(pageUrl);
expect(res.posts[0]).toHaveTag("rwby");
expect(res.posts[0].contentUrl).toBe("https://static.zerochan.net/Ruby.Rose.full.3511809.gif");
});

20
src/engines/Zerochan.ts
View File

@ -27,11 +27,6 @@ export default class Zerochan implements ScrapeEngine {
}
}
if (post.contentUrl == undefined) {
// No point in continuing when we don't have an image.
return result;
}
// Set content type
post.contentType = guessContentType(post.contentUrl);
@ -39,21 +34,20 @@ export default class Zerochan implements ScrapeEngine {
post.rating = "safe";
// Set tags
const tagElements = Array.from(document.getElementById("tags")!.children);
const tagElements = Array.from(document.querySelectorAll("#tags > li"));
for (const tagElement of tagElements) {
// Get tag name from url, because some longer tags are shortened.
// Eg. "Tate no Yuusha no Nariagari" -> "Tate no Yuusha no Nariaga..."
// (ironically this is longer, but you get the idea)
const tagUrl = (tagElement.children[0] as HTMLAnchorElement).pathname.substr(1);
const tagName = decodeURIComponent(tagUrl.replace(/\+/g, "_")).toLowerCase();
let tagType = "";
if (tagElement.childNodes.length > 1 && tagElement.childNodes[1].textContent)
tagType = tagElement.childNodes[1].textContent.trim().toLowerCase();
let tagName: string | undefined = undefined;
const tagUrl = (tagElement.querySelector("a") as HTMLAnchorElement | undefined)?.pathname?.substr(1);
if (tagUrl) {
tagName = decodeURIComponent(tagUrl.replace(/\+/g, "_")).toLowerCase();
}
let category: TagCategory | undefined;
switch (tagType) {
switch (tagElement.className) {
case "game":
case "series":
category = "copyright";

4
src/engines/e621.ts
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@ -18,10 +18,6 @@ export default class e621 implements ScrapeEngine {
const downloadEl = document.querySelector("#image-download-link > a") as HTMLAnchorElement;
post.contentUrl = downloadEl?.href;
if (post.contentUrl == undefined) {
return result;
}
// Set content type
if (document.querySelector("video#image") != null) {
post.contentType = "video";

35
src/test/engine.ts Normal file
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@ -0,0 +1,35 @@
import { JSDOM, ConstructorOptions } from "jsdom";
import NeoScraper from "../NeoScraper";
/**
* Go to an URL and parse it's raw HTML without executing any client-side code.
* @param url
* @returns
*/
export async function scrapeUrl(url: string) {
const dom = await JSDOM.fromURL(url);
return scrapeDom(dom.window.document);
}
/**
* Go to an URL and evaluate the page using Puppeteer.
* @param url
* @param waitForSelector
* @returns
*/
export async function scrapeEvalUrl(url: string, waitForSelector: string) {
await page.goto(url);
await page.waitForSelector(waitForSelector, { visible: true });
const document = await page.content();
return scrapeHtml(url, document);
}
async function scrapeHtml(url: string, html: string) {
const dom = new JSDOM(html, <ConstructorOptions>{ url });
return scrapeDom(dom.window.document);
}
async function scrapeDom(document: Document) {
const scraper = new NeoScraper();
return scraper.scrapeDocument(document);
}

34
src/test/jest.setup.ts Normal file
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@ -0,0 +1,34 @@
import { JSDOM } from "jsdom";
import { ScrapedPost } from "../ScrapeEngine";
// Expose JSDOM Element constructor
// @ts-ignore
global.Element = new JSDOM().window.Element;
// 'Implement' innerText in JSDOM: https://github.com/jsdom/jsdom/issues/1245
// @ts-ignore
Object.defineProperty(global.Element.prototype, "innerText", {
get() {
return this.textContent.replace(/(\r\n|\n|\r|^\s+|\s+$)/gm, "");
},
});
declare global {
namespace jest {
interface Matchers<R> {
toHaveTag(tagName: string): CustomMatcherResult;
}
}
}
// Add our own functions
expect.extend({
toHaveTag(received: any, tagName: string): jest.CustomMatcherResult {
let pass: boolean = false;
const message = () => (pass ? "" : `post does not have the '${tagName}' tag.`);
if (received instanceof ScrapedPost) {
pass = received.tags.find((x) => x.name == tagName) != undefined;
}
return { pass, message };
},
});

1818
yarn.lock
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