Jupyter notebook vim bindings: .ipython/profile_default/static/custom/custom.js

custom.js

define([
  'base/js/namespace',
  'base/js/events',
  'jquery',
  'codemirror/keymap/vim',
  'codemirror/addon/dialog/dialog'
], function(IPython, events, $) {
  events.on('app_initialized.NotebookApp', function() {
    IPython.keyboard_manager.edit_shortcuts.remove_shortcut('esc');
    IPython.Cell.options_default.cm_config.vimMode = true;
    // codemirror dialog for cmdline and search
    $('head').append('<link rel="stylesheet" type="text/css" ' +
      'href="/static/components/codemirror/addon/dialog/dialog.css">')
    $('head').append('<style type="text/css">' +
      '.CodeMirror-dialog {opacity: 0.9 !important;}</style>');
    // avoid ipython command mode while in codemirror dialog
    var bind_events = IPython.Cell.prototype.bind_events;
    IPython.Cell.prototype.bind_events = function () {
      bind_events.apply(this);
      if (!this.code_mirror) return;
      var that = this;
      this.code_mirror.on('blur', function() {
        if ($('.CodeMirror-dialog').length > 0)
          that.events.trigger('edit_mode.Cell', {cell: that});
      });
    }
  });
});