Get Random Github Issue

Adds a button to get random github issues from the repo you're on, respects your filter options

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Get Random Github Issue
// @namespace    https://github.com/veryCrunchy/random-issue-user-script
// @version      1.0.0
// @description  Adds a button to get random github issues from the repo you're on, respects your filter options
// @author       veryCrunchy
// @contributors joerkig
// @match        https://github.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant        none
// ==/UserScript==

(function () {
  "use strict";
  (() => {
    const oldPushState = history.pushState;
    history.pushState = function pushState() {
      const ret = oldPushState.apply(this, arguments);
      window.dispatchEvent(new Event("pushstate"));
      window.dispatchEvent(new Event("locationchange"));
      return ret;
    };

    const oldReplaceState = history.replaceState;
    history.replaceState = function replaceState() {
      const ret = oldReplaceState.apply(this, arguments);
      window.dispatchEvent(new Event("replacestate"));
      window.dispatchEvent(new Event("locationchange"));
      return ret;
    };

    window.addEventListener("popstate", () => {
      window.dispatchEvent(new Event("locationchange"));
    });
  })();

  window.addEventListener("locationchange", function () {
    const { pathname, hash } = document.location;
    const searchParams = new URLSearchParams(window.location.search);
    function getRandomNumber(max) {
      return Math.floor(Math.random() * Number(max));
    }

    if (hash === "#randomPage") {
      randomPage();
    }
    if (hash.startsWith("#randomIssue")) {
      randomIssue();
    }

    function randomIssue() {
      const randomIssue = getRandomNumber(
        document.querySelectorAll("div[id^='issue_']").length
      );
      window.location.href =
        document
          .querySelectorAll("div[id^='issue_']")
          [randomIssue].querySelector("div > a").href +
        "?" +
        searchParams;
    }
    function randomPage() {
      console.log(
        document.querySelector(".next_page")?.previousSibling?.previousSibling
          ?.text
      );
      const randomNumber = getRandomNumber(
        document.querySelector(".next_page")?.previousSibling?.previousSibling
          ?.text || 1
      );
      searchParams.set("page", randomNumber + 1);
      window.location.href = pathname + "?" + searchParams + "#randomIssue";
    }
    const newButton = document.createElement("button");
    const defaultButton = document.querySelector(".Button--primary");
    newButton.textContent = "Random issue";
    newButton.id = "randomIssueButton";
    newButton.classList.add(
      "Button--secondary",
      "Button--medium",
      "subnav-item"
    );
    if (!document.querySelector("#randomIssueButton")) {
      if (pathname.match(/\/issues\/?$/)) {
        newButton.onclick = function () {
          randomPage();
        };
        document
          .querySelector(".Button--primary")
          .parentElement?.prepend(newButton);
        document.querySelector(".Button--primary").classList.remove("Button");
        document.querySelector(".Button--primary").classList.add("subnav-item");
      } else if (pathname.match(/\/issues\/(\d+)/)) {
        newButton.onclick = function () {
          window.location.href =
            pathname.replace(/\/issues\/(\d+)/, "/issues") +
            "?" +
            searchParams +
            "#randomPage";
        };
        defaultButton.parentElement.classList.remove("gap-1");
        defaultButton.parentElement?.prepend(newButton);
        defaultButton.classList.remove("Button", "Button--small");
        defaultButton.classList.add("Button--medium", "subnav-item");
        defaultButton.nextElementSibling.remove();
      }
    }
  });
})();