Scan WordPress post paragraphs if most of characters are EN lang change direction and alignment to LTR and the other way if Arabic

post-style-per-lang.js

//TODO use regex
let enAlphabet = 'abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
let arAlphabet = 'ض ص ث ق ف غ ع ه خ ح ش س ي ب ل ا ت ن م ئ ء ؤ ر لا ى ة و ز ظ ط ك د ج'.split(' '); //TODO update the list
let resutls = document.querySelectorAll(".post p");
resutls.forEach(function(post){
	let arScore = 0;
	let enScore = 0;
	let postText = post.textContent.trim();
	if (postText.length < 1) {
		return;
    }
	let i = postText.length;
	while (i--) {
		if (arAlphabet.includes(postText.charAt(i))) {
			arScore++;
        } else if (enAlphabet.includes(postText.charAt(i))) {
			enScore++;
        }
	}

	if (enScore > arScore) {
		  post.style.direction = "ltr";
		  post.style["text-align"] = "left";
    } else {
		post.style.direction = "rtl";
		post.style["text-align"] = "right";
    }
});