function ponymail_swipe()

in webui/js/source/key-commands.js [192:218]

• 26 lines of code
• 14 McCabe index (conditional complexity)

function ponymail_swipe(event) {
    // Only accept "big" swipes
    let len = Math.abs(event.detail.swipestart.coords[0] - event.detail.swipestop.coords[0]);
    let direction = event.detail.swipestart.coords[0] > event.detail.swipestop.coords[0] ? 'left' : 'right';
    if (len < 20) return false;
    if (direction == 'right') {
        if (G_current_json) { // IF list view...
            if (G_current_email_idx == undefined && G_current_json && (G_current_index_pos - G_current_per_page) >= 0) {
                listview_header({
                    pos: G_current_index_pos - G_current_per_page
                }, G_current_json);
            }
        }
    } else if (direction == 'left') {
        if (G_current_json) { // IF list view...
            let blobs = G_current_json.emails;
            if (G_current_listmode == 'threaded') blobs = G_current_json.thread_struct;
            let no_emails = blobs.length;
            if (G_current_email_idx == undefined && G_current_json && (G_current_index_pos + G_current_per_page) < no_emails) {
                listview_header({
                    pos: G_current_index_pos + G_current_per_page
                }, G_current_json);
            }
        }
    }
    return false;
}