Export SteamDB Sales

Adds a button to export current sales in SteamDB as TSV
当前为 2023-10-14 提交的版本，查看最新版本。
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// 👋 Hola, usa 🐒Tampermonkey 👇
// https://www.tampermonkey.net/

// ==UserScript==
// @name            Export SteamDB Sales
// @name:es         Exportar Ventas de SteamDB
// @namespace       https://jlcareglio.github.io/
// @version         1.3.2
// @description     Adds a button to export current sales in SteamDB as TSV
// @description:es  Agrega un botón para exportar como TSV el listado de ventas actuales en SteamDB
// @icon            https://www.google.com/s2/favicons?sz=64&domain=steamdb.info
// @grant           none
// @author          Jesús Lautaro Careglio Albornoz
// @source          https://gist.githubusercontent.com/JLCareglio/8c47034f40e9febfd52476dd2f36e7bf/raw/
// @match           https://steamdb.info/sales*
// @supportURL      https://gist.githubusercontent.com/JLCareglio/8c47034f40e9febfd52476dd2f36e7bf/
// ==/UserScript==

(async () => {
  async function HandlerClick() {
    const shown = document.querySelector("[name='DataTables_Table_0_length']");
    shown.value = -1;
    shown.dispatchEvent(new Event("change"));
    const rows = Array.from(
      document.querySelectorAll("#DataTables_Table_0 tbody tr")
    );
    const tsvRows = [];
    // console.log({ rows });

    for (const row of rows) {
      // console.log({ row });
      const app_id = row.dataset.appid;
      const name = row
        .querySelector("td:nth-child(3) > a")
        .textContent.replaceAll("#", String.raw`\#`);
      const discount =
        row.querySelector("td:nth-child(4)").textContent.trim() || "—";
      const price = parseFloat(
        row
          .querySelector("td:nth-child(5)")
          .textContent.match(/\d+([.,]?\d+)?/)[0]
          .replace(",", ".")
      );
      let rating = row.querySelector("td:nth-child(6)").textContent;
      rating = rating.match(/^\d{1,2}\.\d{2}%$/) ? rating : "—";
      let endsDate, startedDate;
      // console.log({ app_id, name, discount, price, rating });
      do {
        let ends = row.querySelector("td:nth-child(7)")
        let started = row.querySelector("td:nth-child(8)")
        endsDate = new Date(ends.title.replace(/( at)/g, ""))
        startedDate = new Date(started.title.replace(/( at)/g, ""))

        if (ends.textContent == "" || started.textContent == "") await ScrollTo(row);

        if (isNaN(endsDate) && ends.textContent == "—") endsDate = "—";
        if (isNaN(startedDate) && started.textContent == "—") startedDate = "—";
      } while (
        (isNaN(endsDate) || isNaN(startedDate)) &&
        endsDate != "—" &&
        startedDate != "—"
      );

      if (endsDate != "—") endsDate = endsDate.toUTCString().replace(" GMT", "");
      if (startedDate != "—") startedDate = startedDate.toUTCString().replace(" GMT", "");

      const release = row.querySelector("td:nth-child(9)").textContent;

      tsvRows.push([
        app_id,
        name,
        discount,
        price,
        rating,
        endsDate,
        startedDate,
        release,
      ]);
    }

    const headers = [
      "AppID",
      "Name",
      "% Discount",
      "Price",
      "Rating",
      "Ends (UTC)",
      "Started (UTC)",
      "Release",
    ];
    const tsvContent = [headers, ...tsvRows]
      .map((row) => row.join("\t"))
      .join("\n");
    DownloadTsvFile(tsvContent, "SteamDB_Sales.tsv");
  }

  async function ScrollTo(element) {
    await new Promise((resolve) => {
      element.scrollIntoView(true, { behavior: "instant", block: "start" });
      window.setTimeout(() => {
        resolve();
      }, 100);
    });
  }

  function DownloadTsvFile(data, filename) {
    const blob = new Blob([data], { type: "text/tab-separated-values" });
    const url = URL.createObjectURL(blob);
    const link = document.createElement("a");
    link.href = url;
    link.download = filename;
    document.body.appendChild(link);
    link.click();
    document.body.removeChild(link);
    URL.revokeObjectURL(url);
  }

  const btnExport = document.createElement("a");
  btnExport.classList.value = "btn btn-link";
  btnExport.id = "js-filters-reset";
  btnExport.innerText = "Export TSV";
  btnExport.onclick = HandlerClick;

  document.querySelector("#js-filters").appendChild(btnExport);
})();