code: function addActionHandler(path, actionMap, filePath) {
  
    const {init} = path.node;
  
    if (init && Array.isArray(init.properties)) {
      init.properties.forEach(property => {
        const {key, value} = property;
        if (key && value && key.property && value.property) {
          const actionType = key.property.name;
          const updater = value.name;
  
          actionMap[actionType] = actionMap[actionType] || createActionNode(actionType);
          actionMap[actionType].updaters.push({
            updater: value.object.name,
            name: value.property.name,
            path: filePath
          });
        }
      })
    }
  }
docs: Parse actionHandler declaration to map updater to action type
  @param {Object} path - AST node
  @param {Object} actionMap
  @param {string} filePath