MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
function removeBreaks() {

    let text = document.getElementById("oldText").value;

    let option = document.querySelector(
        'input[name="paragraphs"]:checked'
    ).value;

    let result = "";

    if (option === "para") {

        result = text
            .replace(/\r\n/g, "\n")
            .replace(/\n{2,}/g, "||PARA||")
            .replace(/\n/g, " ")
            .replace(/\|\|PARA\|\|/g, "\n\n");

    } else if (option === "nopara") {

        result = text.replace(/(\r\n|\n|\r)/gm, " ");

    } else {

        result = text.replace(/(\r\n|\n|\r)/gm, "");

    }

    document.getElementById("newText").value = result;
}

$(document).ready(function () {

    $("#clearText").click(function () {
        $("#oldText").val("");
        $("#newText").val("");
    });

    $("#copyClip").click(function () {

        navigator.clipboard.writeText(
            $("#newText").val()
        );

        alert("Copied!");
    });

});