Library--Application Support--Code--User--keybindings.json

[
  {
    "key": "cmd+w",
    "command": "-workbench.action.closeGroup",
    "when": "activeEditorGroupEmpty && multipleEditorGroups"
  },
  {
    "key": "cmd+w",
    "command": "-workbench.action.closeWindow",
    "when": "!editorIsOpen && !multipleEditorGroups"
  },
  {
    "key": "cmd+; f",
    "command": "railsTestRunner.runAllTestsInFile"
  },
  {
    "key": "cmd+; c",
    "command": "railsTestRunner.runTestAtLine"
  },
  {
    "key": "cmd+right",
    "command": "-cursorEnd",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+left",
    "command": "-cursorHome",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+right",
    "command": "cursorWordEndRight",
    "when": "textInputFocus"
  },
  {
    "key": "alt+right",
    "command": "-cursorWordEndRight",
    "when": "textInputFocus"
  },
  {
    "key": "shift+cmd+right",
    "command": "cursorWordEndRightSelect",
    "when": "textInputFocus"
  },
  {
    "key": "shift+alt+right",
    "command": "-cursorWordEndRightSelect",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+left",
    "command": "cursorWordLeft",
    "when": "textInputFocus"
  },
  {
    "key": "alt+left",
    "command": "-cursorWordLeft",
    "when": "textInputFocus"
  },
  {
    "key": "shift+cmd+left",
    "command": "cursorWordLeftSelect",
    "when": "textInputFocus"
  },
  {
    "key": "shift+alt+left",
    "command": "-cursorWordLeftSelect",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+end",
    "command": "cursorBottom",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+down",
    "command": "-cursorBottom",
    "when": "textInputFocus"
  },
  {
    "key": "shift+cmd+end",
    "command": "cursorBottomSelect",
    "when": "textInputFocus"
  },
  {
    "key": "shift+cmd+down",
    "command": "-cursorBottomSelect",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+home",
    "command": "cursorTop",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+up",
    "command": "-cursorTop",
    "when": "textInputFocus"
  },
  {
    "key": "shift+cmd+home",
    "command": "cursorTopSelect",
    "when": "textInputFocus"
  },
  {
    "key": "shift+cmd+up",
    "command": "-cursorTopSelect",
    "when": "textInputFocus"
  },
  {
    "key": "cmd+delete",
    "command": "-deleteAllRight",
    "when": "textInputFocus && !editorReadonly"
  },
  {
    "key": "cmd+backspace",
    "command": "-deleteAllLeft",
    "when": "textInputFocus && !editorReadonly"
  },
  {
    "key": "alt+delete",
    "command": "-deleteWordRight",
    "when": "textInputFocus && !editorReadonly"
  },
  {
    "key": "ctrl+alt+delete",
    "command": "-deleteWordPartRight",
    "when": "textInputFocus && !editorReadonly"
  },
  {
    "key": "alt+backspace",
    "command": "-deleteWordLeft",
    "when": "textInputFocus && !editorReadonly"
  },
  {
    "key": "ctrl+alt+backspace",
    "command": "-deleteWordPartLeft",
    "when": "textInputFocus && !editorReadonly"
  }
]

Library--KeyBindings--DefaultKeyBinding.dict

/*
Reference:
- https://gist.github.com/trusktr/1e5e516df4e8032cbc3d
- https://gist.github.com/zsimic/1367779

~/Library/KeyBindings/DefaultKeyBinding.Dict

Here is a rough cheatsheet for syntax.
Key Modifiers
^ : Ctrl
$ : Shift
~ : Option (Alt)
@ : Command (Apple)
# : Numeric Keypad

Non-Printable Key Codes

Standard
Up Arrow:     \UF700        Backspace:    \U0008        F1:           \UF704
Down Arrow:   \UF701        Tab:          \U0009        F2:           \UF705
Left Arrow:   \UF702        Escape:       \U001B        F3:           \UF706
Right Arrow:  \UF703        Enter:        \U000A        ...
Insert:       \UF727        Page Up:      \UF72C
Delete:       \UF728        Page Down:    \UF72D
Home:         \UF729        Print Screen: \UF72E
End:          \UF72B        Scroll Lock:  \UF72F
Break:        \UF732        Pause:        \UF730
SysReq:       \UF731        Menu:         \UF735
Help:         \UF746

OS X
delete:       \U007F
*/

{
    "@\UF72B"  = "moveToEndOfDocument:";                         /* Cmd  + End   */
    "@$\UF72B" = "moveToEndOfDocumentAndModifySelection:";       /* Shift + Cmd  + End */

    "@\UF729"  = "moveToBeginningOfDocument:";                   /* Cmd  + Home  */
    "@$\UF729" = "moveToBeginningOfDocumentAndModifySelection:"; /* Shift + Cmd  + Home */

    "\UF729"   = "moveToBeginningOfLine:";                       /* Home         */
    "$\UF729"  = "moveToBeginningOfLineAndModifySelection:";     /* Shift + Home */

    "\UF72B"   = "moveToEndOfLine:";                             /* End          */
    "$\UF72B"  = "moveToEndOfLineAndModifySelection:";           /* Shift + End  */

    "\UF72C"   = "pageUp:";                                      /* PageUp       */
    "\UF72D"   = "pageDown:";                                    /* PageDown     */

    "@\UF702"  = "moveWordBackward:";                            /* Cmd  + LeftArrow */
    "@$\UF702" = "moveWordBackwardAndModifySelection:";          /* Shift + Cmd  + Leftarrow */
    "@\U007F"  = "deleteWordBackward:";                          /* Cmd  + Backspace */

    "@\UF703"  = "moveWordForward:";                             /* Cmd  + RightArrow */
    "@$\UF703" = "moveWordForwardAndModifySelection:";           /* Shift + Cmd  + Rightarrow */
    "@\UF728"  = "deleteWordForward:";                           /* Cmd  + Delete */
}