Function clickSortButton

Lanzou-Enhanced.user.js:900–925

(by, button)

        }

        function clickSortButton(by, button) {
            if (currentStatus.by === by) {
                // 当前选项，点击时，反转排序
                currentStatus.order = button.textContent === '⬆' ? 'desc' : 'asc';
            } else {
                // 非当前选项，点击时，以图标所示的顺序排序
                currentStatus.order = button.textContent === '⇧' ? 'asc' : 'desc';
                // 修改非当前选项按钮的图标
                for (const key in allButtons) {
                    if (key === by) continue;
                    if (Object.hasOwnProperty.call(allButtons, key)) {
                        const btnItem = allButtons[key];
                        if (btnItem.el.textContent === '⬆') {
                            btnItem.el.textContent = '⇧';
                        } else if (btnItem.el.textContent === '⬇') {
                            btnItem.el.textContent = '⇩';
                        }
                    }
                }
            }
            button.textContent = currentStatus.order === 'asc' ? '⬆' : '⬇';
            currentStatus.by = by;
            sortFileList();
            sortFolderList();

        }

        // create buttons
        setTimeout(() => {