Add h (move left) monvment to vimMode.

spec/atom/vim-mode-spec.coffee

@@ -39,6 +39,16 @@ describe "VimMode", ->
         expect(editor.buffer.getText()).toBe '1345'
         expect(editor.getCursor()).toEqual(column: 1, row: 0)
 
+    describe "the h/j/k/l keybindings", ->
+      it "move the cursor left/up/down/right", ->
+        editor.buffer.setText("12345\nabcde\nABCDE")
+        editor.setCursor(column: 1, row: 1)
+
+        editor.trigger keydownEvent('h')
+        expect(editor.getCursor()).toEqual(column: 0, row: 1)
+        editor.trigger keydownEvent('h')
+        expect(editor.getCursor()).toEqual(column: 0, row: 1)
+
     describe "numeric prefix binding", ->
       it "repeats the following operation N times", ->
         editor.buffer.setText("12345")

src/atom/vim-mode-operators.coffee

@@ -23,3 +23,9 @@ module.exports =
 
     isComplete: -> true
 
+  MoveLeft: class
+    execute: (editor) ->
+      {column, row} = editor.getCursor()
+      editor.navigateLeft() if column > 0
+
+    isComplete: -> true

src/atom/vim-mode.coffee

@@ -1,6 +1,6 @@
 _ = require 'underscore'
 $ = require 'jquery'
-{ NumericPrefix, DeleteChar } = require 'vim-mode-operators'
+{ NumericPrefix, DeleteChar, MoveLeft } = require 'vim-mode-operators'
 
 module.exports =
 class VimMode
@@ -19,6 +19,7 @@ class VimMode
     @editor.on 'command-mode:activate', => @activateCommandMode()
     @editor.on 'command-mode:delete-char', => @deleteChar()
     @editor.on 'command-mode:numeric-prefix', (e) => @numericPrefix(e)
+    @editor.on 'command-mode:move-left', => @pushOperator(new MoveLeft)
 
   activateInsertMode: ->
     @editor.removeClass('command-mode')
@@ -38,6 +39,7 @@ class VimMode
     bindings =
       'i': 'insert-mode:activate'
       'x': 'command-mode:delete-char'
+      'h': 'command-mode:move-left'
     for i in [0..9]
       bindings[i] = 'command-mode:numeric-prefix'
     bindings