feat(nyaa): support of nyaa torrents

src/background/strategies/nyaa.js

@@ -0,0 +1,30 @@
+
+const fetch = require('node-fetch')
+const cheerio = require('cheerio')
+
+module.exports = class Nyaa
+{
+	async findHash(hash)
+	{
+		this.hash = hash
+		return await this.parse()
+	}
+
+	async parse()
+	{
+		let html = await fetch('https://nyaa.si/' + (this.threadId ? `view/${this.threadId}` : (this.hash ? `?q=${this.hash}` : '')))
+		if(!html)
+			return
+		html = await html.text()
+		const $ = cheerio.load(html)
+		let topicTitle = $('.panel-title').first().text()
+		if(!topicTitle)
+			return
+
+		topicTitle = topicTitle.replace(/\t/g, '').replace(/\n/g, '')
+		return {
+			name: topicTitle,
+			description: $('#torrent-description').text(),
+		}
+	}
+}

tests/strategies/nyaa.test.js

@@ -0,0 +1,15 @@
+const { assert } = require('chai')
+const Nyaa = require('../../src/background/strategies/nyaa.js')
+
+describe("nyaa", () => {
+	let nyaa = new Nyaa();
+
+	it("findHash", async function() {
+		const data = await nyaa.findHash('b57cc972ecc31dd31e9349017e5d26c164e08906')
+		assert.equal(data.name, '[HorribleSubs] One Piece - 794 [1080p].mkv')
+	})
+
+	it("notFound", async function() {
+		assert(!await nyaa.findHash('FFEDA8DF683F34A08BE89026114E6C05F881DCC0'))
+	})
+});