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/* alt+left/right moves text in prompt */

function keyupEditOrder(event) {

if (!opts.keyedit_move) return;

let target = event.originalTarget || event.composedPath()[0];

if (!target.matches("*:is([id*='_toprow'] [id*='_prompt'], .prompt) textarea")) return;

if (!event.altKey) return;

let isLeft = event.key == "ArrowLeft";

let isRight = event.key == "ArrowRight";

if (!isLeft && !isRight) return;

event.preventDefault();

let selectionStart = target.selectionStart;

let selectionEnd = target.selectionEnd;

let text = target.value;

let items = text.split(",");

let indexStart = (text.slice(0, selectionStart).match(/,/g) || []).length;

let indexEnd = (text.slice(0, selectionEnd).match(/,/g) || []).length;

let range = indexEnd - indexStart + 1;

if (isLeft && indexStart > 0) {

items.splice(indexStart - 1, 0, ...items.splice(indexStart, range));

target.value = items.join();

target.selectionStart = items.slice(0, indexStart - 1).join().length + (indexStart == 1 ? 0 : 1);

target.selectionEnd = items.slice(0, indexEnd).join().length;

} else if (isRight && indexEnd < items.length - 1) {

items.splice(indexStart + 1, 0, ...items.splice(indexStart, range));

target.value = items.join();

target.selectionStart = items.slice(0, indexStart + 1).join().length + 1;

target.selectionEnd = items.slice(0, indexEnd + 2).join().length;

}

event.preventDefault();

updateInput(target);

}

addEventListener('keydown', (event) => {

keyupEditOrder(event);

});