【コピペで使える】改行テキストを一発分割！Illustrator時短スクリプト

/**
 * Split selected text into separate point text frames per *visual line*
 * (includes area text wrapped lines). Skips empty/blank lines.
 *
 * Usage: Select ONE TextFrame and run.
 */
(function () {
    if (app.documents.length === 0) { alert("ドキュメントがありません。"); return; }
    if (app.selection.length !== 1 || app.selection[0].typename !== "TextFrame") {
        alert("テキストオブジェクトを1つだけ選択してください。");
        return;
    }

    var doc = app.activeDocument;
    var tf = app.selection[0];

    // Base position
    var gb = tf.geometricBounds; // [left, top, right, bottom]
    var left = gb[0];
    var top  = gb[1];

    // Get visual lines (includes wrapped lines)
    var tr = tf.textRange;
    var lineRanges = tr.lines; // collection of TextRange (per line)

    if (!lineRanges || lineRanges.length === 0) {
        alert("行が取得できませんでした。");
        return;
    }

    // Fallback font/size/leading from first line
    var baseAttr = lineRanges[0].characterAttributes;
    var baseFont = baseAttr.textFont;
    var baseSize = baseAttr.size;

    var baseLeading = baseAttr.leading;
    if (!baseLeading || baseLeading <= 0) baseLeading = baseSize * 1.2;

    var deleteOriginal = true;

    var made = 0;

    for (var i = 0; i < lineRanges.length; i++) {
        var lr = lineRanges[i];

        // line text (remove paragraph/soft return chars)
        var txt = lr.contents;
        txt = txt.replace(/\r/g, "").replace(/\n/g, "").replace(/\u0003/g, ""); // \u0003 = soft return (Shift+Enter) in some cases

        // skip blank line (spaces/tabs only)
        if (txt.replace(/^\s+|\s+$/g, "") === "") continue;

        var newTf = doc.textFrames.add();
        newTf.kind = TextType.POINTTEXT;

        // place lines tightly, skipping empty ones
        newTf.position = [left, top - (baseLeading * made)];
        newTf.contents = txt;

        // apply base styling (simple / stable)
        var ntr = newTf.textRange;
        ntr.characterAttributes.textFont = baseFont;
        ntr.characterAttributes.size = baseSize;
        ntr.characterAttributes.leading = baseLeading;

        // If you want to copy fill color too, uncomment:
        // ntr.characterAttributes.fillColor = baseAttr.fillColor;

        made++;
    }

    if (made === 0) {
        alert("空行以外がありませんでした。");
        return;
    }

    if (deleteOriginal) tf.remove();

    alert("行ごとに分割しました（空行除外：" + made + "行）");
})();