function buildKeyMap()

in src/main/resources/assets/show-hint.js [86:117]

• 21 lines of code
• 8 McCabe index (conditional complexity)

  function buildKeyMap(options, handle) {
    var baseMap = {
      Up: function() {handle.moveFocus(-1);},
      Down: function() {handle.moveFocus(1);},
      PageUp: function() {handle.moveFocus(-handle.menuSize());},
      PageDown: function() {handle.moveFocus(handle.menuSize());},
      Home: function() {handle.setFocus(0);},
      End: function() {handle.setFocus(handle.length);},
      Enter: handle.pick,
      Tab: handle.pick,
      Esc: handle.close
    };
    var ourMap = options.customKeys ? {} : baseMap;
    function addBinding(key, val) {
      var bound;
      if (typeof val != "string")
        bound = function(cm) { return val(cm, handle); };
      // This mechanism is deprecated
      else if (baseMap.hasOwnProperty(val))
        bound = baseMap[val];
      else
        bound = val;
      ourMap[key] = bound;
    }
    if (options.customKeys)
      for (var key in options.customKeys) if (options.customKeys.hasOwnProperty(key))
        addBinding(key, options.customKeys[key]);
    if (options.extraKeys)
      for (var key in options.extraKeys) if (options.extraKeys.hasOwnProperty(key))
        addBinding(key, options.extraKeys[key]);
    return ourMap;
  }