Minimal Kmonad config with homerow mods

config.kbd

;; sudo /Users/crd/usr/local/bin/kmonad /Users/crd/workspace/github.com/qmk/qmk_firmware/users/crd/config.kbd
(defcfg
  ;; For Linux
  ;; input  (device-file "/dev/input/by-id/usb-04d9_daskeyboard-event-kbd")
  ;; output (uinput-sink "My KMonad output"

  ;; For Windows
  ;; input  (low-level-hook)
  ;; output (send-event-sink)

  ;; For MacOS
  input  (iokit-name)
  output (kext)

  ;; This option tells KMonad to let non-configured keys act normal
  fallthrough true
)

(defsrc
    q    w    e    r    t    y    u    i    o    p
    a    s    d    f    g    h    j    k    l    ;
    z    x    c    v    b    n    m    ,    .    /
    spc
)

(defalias ;; homerowmods
    ctl_a (tap-hold-next-release 200 a lctl)
    alt_s (tap-hold-next-release 200 s lalt)
    met_d (tap-hold-next-release 200 d lmet)
    sft_f (tap-hold-next-release 200 f lsft)

    sft_j (tap-hold-next-release 200 j rsft)
    met_k (tap-hold-next-release 200 k rmet)
    alt_l (tap-hold-next-release 200 l lalt)
    ctl_; (tap-hold-next-release 200 ; rctl)
)

(defalias ;; layers
    ext  (layer-toggle extend)
    sym  (layer-toggle symbol)
    sp_ex (tap-hold-next-release 200 spc @ext)
    q_sym (tap-hold-next-release 200 q @sym)
    p_sym (tap-hold-next-release 200 p @sym)
)

(defalias ;; multi-key combos
    ij_bk M-[
    ij_fw M-]
    dc_nx S-A-down
    dc_pr S-A-up
    cut M-x
    copy M-c
    pst M-v
)

(deflayer default
    @q_sym _      _      _      _      _      _      _      _      @p_sym
    @ctl_a @alt_s @met_d @sft_f _      _      @sft_j @met_k @alt_l @ctl_;
    _      _      _      _      _      _      _      _      _      _
    @sp_ex

)

(deflayer extend
    tab    7      8      9      ;      '      XX     XX     XX     ret
    esc    4      5      6      -      =      lft    down   up     rght
    0      1      2      3      grv    \\     @ij_bk @dc_nx @dc_pr @ij_fw
    _
)

(deflayer symbol
    _      vold   mute   volu   :      "      prev   pp     next   _
    <      {      [      \(     \_     +      \)     ]      }      >
    lsft   @cut   @copy  @pst   ~      |      home   pgdn   pgup   end
    bspc
)