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import { DOMParser } from "https://deno.land/x/deno_dom/deno-dom-wasm.ts";
import {URL_SEREBII, MoveCategory, TYPE_IMG_SRC_REGEX} from './const.ts';
export interface PokedexEntry {  id: number;  name: string;  image: string;  types: string[];  stats: Stats;  moves: Moveset[];}
export interface Stats {  hp: number;  attack: number;  defence: number;}
export interface Moveset {  category: MoveCategory;  name: string;}
export async function * getPokedex(): AsyncGenerator<PokedexEntry> {  const url = new URL('pokemongo/pokemon.shtml', URL_SEREBII);  const resp = await fetch(url.href);  const html = await resp.text();
  const dom = new DOMParser();  const doc = dom.parseFromString(html, 'text/html')!;
  for (const dex of doc.querySelectorAll('table td.pkmn')) {    const path = dex.children[0].attributes.getNamedItem('href').value;
    yield * getPokedexPath(path);  }}
async function * getPokedexPath(path: string): AsyncGenerator<PokedexEntry> {  const url = new URL(`pokemongo/${path}`, URL_SEREBII);  const resp = await fetch(url.href);  const html = await resp.text();
  const dom = new DOMParser();  const doc = dom.parseFromString(html, 'text/html')!;
  for (const row of doc.querySelectorAll('table:nth-child(5) > tbody > tr:not(:first-child)')) {    const id = Number(row.children[0].textContent.trim().slice(1));    const image = new URL(row.children[1].querySelector('img')?.getAttribute('src')!, URL_SEREBII).href;    const name = row.children[2].querySelector('a')?.textContent.trim()!;    const types = [...row.children[3].querySelectorAll('a')].map((a) => TYPE_IMG_SRC_REGEX.exec(a.children[0].getAttribute('src')!)![1]);
    const statDoc = row.children[4].querySelectorAll('table tr');    const stats: Stats = {      hp: Number(statDoc[0].children[1].textContent.trim()),      attack: Number(statDoc[0].children[1].textContent.trim()),      defence: Number(statDoc[0].children[1].textContent.trim())    };
    const fastMoves = [...row.children[5].querySelectorAll('a')].map((a) => a.children[0].textContent);    const chargeMoves = [...row.children[6].querySelectorAll('a')].map((a) => a.children[0].textContent);
    const mapMoves = (category: MoveCategory) => (name: string) => ({category, name});    const moves = [      ...fastMoves.map(mapMoves('fast')),      ...chargeMoves.map((mapMoves('charge')))    ];
    yield {      id,      image,      name,      types,      stats,      moves    };  }}