Niconico - Better Nicoru

Improve issues such as Niconico's Nicoru only showing up to 9+.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name            Niconico - Better Nicoru
// @name:ja         ニコニコ - ニコる表示の改善
// @description     Improve issues such as Niconico's Nicoru only showing up to 9+.
// @description:ja  ニコニコのニコるが9+までしか表示されないなどの問題を改善します。
// @version         1.0.1
// @match           https://www.nicovideo.jp/watch/sm*
// @namespace       https://github.com/sqrtox/userscript-niconico-better-nicoru
// @author          sqrtox
// @license         MIT
// @grant           none
// ==/UserScript==

// NOTE:
//   This file was built from https://github.com/sqrtox/userscript-niconico-better-nicoru
//
//   このスクリプトはこれらのスクリプトにインスパイアされました。先駆者の方々に感謝と敬意を表します。
//   This script was inspired by the following scripts. I express my gratitude and respect to the pioneers.
//
//      - https://github.com/takusan23/NicoruCountFix
//      - https://greasyfork.org/ja/scripts/482598

(async () => {
  "use strict";

  // src/color.ts
  var gradient = (r1, g1, b1, r2, g2, b2, d) => [
    (r2 - r1) * d + r1,
    (g2 - g1) * d + g1,
    (b2 - b1) * d + b1,
  ];

  // src/nicoru.ts
  var NICORU_BUTTON_ARIA_LABEL = "ニコるボタン";
  var LOWEST_NICORU_COLOR = [84, 73, 28];
  var NICORU_COLOR_DEFINES = [
    // mythology
    {
      start: 100,
      end: 200,
      color: [51, 153, 255],
    },
    // legendary
    {
      start: 50,
      end: 100,
      color: [136, 72, 152],
    },
    // top
    {
      start: 10,
      end: 50,
      color: [255, 0, 0],
    },
    // limit
    {
      start: 0,
      end: 10,
      color: [252, 216, 66],
    },
  ].sort((a, b) => b.start - a.start);
  var getDistance = (n, start, end) =>
    Math.min(Math.max(0, (n - start) / (end - start)), 1);
  var getNicoruColor = (n) => {
    for (const [i, { start, end, color }] of NICORU_COLOR_DEFINES.entries()) {
      const previousLevelColor =
        NICORU_COLOR_DEFINES[i + 1]?.color ?? LOWEST_NICORU_COLOR;
      if (n > start) {
        const distance = getDistance(n, start, end);
        return gradient(...previousLevelColor, ...color, distance);
      }
    }
  };

  // src/observer.ts
  var observeAddedHtmlElements = (target, callback) => {
    let observer = new MutationObserver((records) => {
      for (const record of records) {
        if (record.type !== "childList") {
          continue;
        }
        for (const node of record.addedNodes) {
          if (!(node instanceof HTMLElement)) {
            continue;
          }
          callback(node);
        }
      }
    });
    observer.observe(target, {
      childList: true,
      subtree: true,
    });
    return () => {
      if (observer) {
        observer.disconnect();
        observer = void 0;
      }
    };
  };

  // src/react.ts
  var getReactProps = (o) => {
    const reactPropsKey = Object.keys(o).filter((key) =>
      key.startsWith("__reactProps$"),
    )[0];
    if (!reactPropsKey) {
      return;
    }
    return o[reactPropsKey];
  };

  // src/comment.ts
  var COMMENT_LIST_ELEMENT_MARKER = "コメントリスト";
  var awaitCommentList = () => {
    const { promise, resolve } = Promise.withResolvers();
    const disconnect = observeAddedHtmlElements(document, (element) => {
      const commentHeader = [...element.getElementsByTagName("header")].filter(
        (element2) =>
          element2.textContent?.includes(COMMENT_LIST_ELEMENT_MARKER),
      )[0];
      if (
        !commentHeader ||
        !(commentHeader.nextElementSibling instanceof HTMLElement)
      ) {
        return;
      }
      resolve(commentHeader.nextElementSibling);
      disconnect();
    });
    return promise;
  };
  var fixNicoruCount = (commentElement, nicoruCount) => {
    const countElement = commentElement.querySelector(
      `button[aria-label="${NICORU_BUTTON_ARIA_LABEL}"] > p`,
    );
    if (!countElement) {
      return;
    }
    countElement.textContent = nicoruCount.toString();
  };
  var fixCommentContentStyle = (commentElement) => {
    const contentElement = commentElement.querySelector(
      `button[aria-label="${NICORU_BUTTON_ARIA_LABEL}"] + p`,
    );
    if (contentElement instanceof HTMLElement) {
      contentElement.style.flex = "1";
    }
  };
  var fixCommentBackgroundColor = (commentElement, nicoruCount) => {
    const color = getNicoruColor(nicoruCount);
    if (!color) {
      return;
    }
    const commentInnerElement = commentElement.children[0];
    if (!(commentInnerElement instanceof HTMLElement)) {
      return;
    }
    commentInnerElement.style.backgroundColor = `rgba(${color[0]}, ${color[1]}, ${color[2]}, 0.66)`;
  };
  var processComment = (commentElement) => {
    fixCommentContentStyle(commentElement);
    const count = commentElement.querySelector("button p");
    if (!count) {
      return;
    }
    const props = getReactProps(commentElement);
    if (!props) {
      return;
    }
    const comment = props.children.props.comment;
    const nicoruCount = comment.nicoruCount;
    fixNicoruCount(commentElement, nicoruCount);
    fixCommentBackgroundColor(commentElement, nicoruCount);
  };
  var processCommentPopper = (popperElement) => {
    const commentElement = popperElement.querySelector(
      `div:has(> div > button[aria-label="${NICORU_BUTTON_ARIA_LABEL}"])`,
    );
    if (!(commentElement instanceof HTMLElement)) {
      return;
    }
    fixCommentContentStyle(commentElement);
    const props = getReactProps(popperElement);
    if (!props) {
      return;
    }
    const comment = props.children.props.comment;
    fixNicoruCount(commentElement, comment.nicoruCount);
  };

  // src/index.ts
  var main = async () => {
    const commentList = await awaitCommentList();
    observeAddedHtmlElements(commentList, (element) => {
      if ("index" in element.dataset) {
        processComment(element);
      } else if (element.classList.contains("z_forward")) {
        processCommentPopper(element);
      }
    });
  };
  main();
})();