Convert Classical Syriac text to Hebrew script on Wikipedia

arc.wikipedia.hebrew.user.js

// ==UserScript==
// @name         Classical Syriac Wikipedia to Hebrew
// @namespace    http://tampermonkey.net/
// @version      2024-04-08
// @description  Convert Classical Syriac text to Hebrew script on Wikipedia
// @author       ilanfrumer@gmail.com
// @match        https://arc.wikipedia.org/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=wikipedia.org
// @grant        none
// ==/UserScript==

(function () {
  "use strict";

  const SyriacMap = {
    ܐ: /* Aleph */ "א",
    ܒ: /* Beth */ "ב",
    ܓ: /* Gimel */ "ג",
    ܕ: /* Daleth */ "ד",
    ܗ: /* He */ "ה",
    ܘ: /* Vav */ "ו",
    ܙ: /* Zayin */ "ז",
    ܚ: /* Het */ "ח",
    ܛ: /* Tet */ "ט",
    ܝ: /* Yod */ "י",
    ܟ: /* Kaf */ "כ",
    ܠ: /* Lemed */ "ל",
    ܡ: /* Mem */ "מ",
    ܢ: /* Nun */ "נ",
    ܣ: /* Samekh */ "ס",
    ܤ: /* Samekh */ "ס",
    ܥ: /* Ayin */ "ע",
    ܦ: /* Pe */ "פ",
    ܨ: /* Tsadi */ "צ",
    ܩ: /* Qof */ "ק",
    ܪ: /* Resh */ "ר",
    ܫ: /* Shin */ "ש",
    ܬ: /* Tav */ "ת",
  };

  const finalFormMap = {
    מ: /** Mem */ "ם",
    נ: /** Nun */ "ן",
    צ: /** Tsadi */ "ץ",
    פ: /** Pe */ "ף",
    כ: /** Kaf */ "ך",
  };

  const chars = new Map();

  function transformNodes(node) {
    // If the node is a text node, add it to the array
    if (node.nodeType === Node.TEXT_NODE) {
      const textContent = node.textContent;
      let text = "";
      for (let i = 0; i < textContent.length; i++) {
        let char = textContent[i];
        let out = SyriacMap[char];
        const code = char.codePointAt(0);
        text += out ?? char;
        if (code > 200 && !out) chars.set(code.toString(16), char);
      }

      text = text
        .replace(/\u0700/g, ".")
        .replace(/\u0706/g, ",")
        .replace(/\u0308/g, "")
        .replace(
          /([מנצפכ])([^\u05D0-\u05EA])/g,
          (_m, m1, m2) => finalFormMap[m1] + m2
        )
        .replace(/([מנצפכ])$/g, (_m, m1) => finalFormMap[m1]);

      if (textContent != text) {
        node.textContent = text;
      }
    } else {
      // If the node has children, recursively call this function on each child
      if (node.childNodes.length > 0) {
        for (let i = 0; i < node.childNodes.length; i++) {
          transformNodes(node.childNodes[i]);
        }
      }
    }
  }

  transformNodes(document.body);
  console.log(chars);
})();