function keyCommands()

in webui/js/source/key-commands.js [138:189]
49 lines of code
22 McCabe index (conditional complexity)

function keyCommands(e) {
    if (!e.ctrlKey) {
        // Get calling element and its type
        let target = e.target || e.srcElement;
        let type = target.tagName;
        // We won't jump out of an input field!
        if (['INPUT', 'TEXTAREA', 'SELECT'].has(type)) {
            return;
        }
        switch (e.key) {
            case 's':
                document.getElementById('q').focus();
                return;
            case 'h':
                showHelp();
                return;
            case 'c':
                compose_email(null, `${G_current_list}@${G_current_domain}`);
                return;
            case 'r':
                if (G_current_open_email && G_full_emails[G_current_open_email]) {
                    compose_email(G_current_open_email);
                }
                return;
            case 'Escape':
                hideWindows();
                return;
            case 'ArrowRight': // quick-next
                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;
            case 'ArrowLeft': // quick previous
                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);
                    }
                }
                return;
        }

    }
}