Palworld Palname Translate パルーワルドのパル名和訳

palworld-translate.user.js

// ==UserScript==
// @name            Palworld Palname Translate
// @name:ja         パルーワルドのパル名和訳
// @description     Translate Palworld names to Japanese (auto runs if palworld is in the URL, otherwuse use the menu item)
// @description:ja  英語のパルーワルドサイトでパル名を和訳します（URLにpalworldが含まれてる場合は自動的に実行，そうでない場合はメニューから）
// @version         1.0.0
// @license         MIT
// @grant           GM_registerMenuCommand
// @grant           GM_getResourceText
//
// @resource palnames https://gist.githubusercontent.com/kelvie/714c8eae062a95aeea9eb3c1cf442f1a/raw/13fa2c6add8d06502bbc74c557ced3c4e322a252/palnames_v1.json
//
// @match        *://*/*
// ==/UserScript==

(function() {
  'use strict';

  const palstable = JSON.parse(GM_getResourceText('palnames'));

  // translation table
  let tt = {};
  palstable.forEach(pal => {
    tt[pal.en] = pal.ja;
  });

  // split into names with spaces and names without spaces
  let namesWithSpaces = [];
  let namesWithoutSpaces = [];
  Object.keys(tt).forEach(k => {
    if (k.includes(' ')) {
      namesWithSpaces.push(k);
    } else {
      namesWithoutSpaces.push(k);
    }
  });

  // We need to find the names with spaces first, so we don't replace the two
  // word ones
  let sanitize = (s) => s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');

  // case insensitive, whole word match
  let mkRegex = (ks) => new RegExp('\\b(' +
                                   ks.map(sanitize).join('|')
                                   + ')\\b', 'gi');

  let reWithSpaces = mkRegex(namesWithSpaces);
  let reWithoutSpaces = mkRegex(namesWithoutSpaces);
  let matchFunc = (matched) => tt[matched.toLowerCase()];
  let observer = null;

  function translateNode(node) {
    let walker = document.createTreeWalker(node, NodeFilter.SHOW_TEXT, null, false);

    let n;
    while (n = walker.nextNode()) {
      n.nodeValue = n.nodeValue.replace(reWithSpaces, matchFunc);
      n.nodeValue = n.nodeValue.replace(reWithoutSpaces, matchFunc);
    }
  }

  function translate() {
    translateNode(document.body);

    // Add a mutation observer to catch any new text nodes
    if (observer) {
      observer.disconnect();
      observer = null;
    }

    observer = new MutationObserver((mutations) => {
      mutations.map((mutation) => mutation.addedNodes)
        .reduce((a, b) => a.concat(b), [])
        .forEach((nodeList) => {
          nodeList.forEach(translateNode);
        });
    });
    observer.observe(document.body, { childList: true, subtree: true });
  }

  // Run if /palworld|palpedia/i is in the URL (or any other good pal site)
  if (window.location.href.match(/palworld|palpedia/i)) {
    translate();
  } else {
    GM_registerMenuCommand('パル名を和訳', translate);
  }
})();