Storage.clear() and Storage.isEmpty() about backbone-offline HOT 4 CLOSED

tasks.storage.clear()
tasks.storage.getItem('tasks')
# returns '' (empty string)

  clear: ->
    keys = Object.keys(localStorage)
    collectionKeys = _.filter keys, (key) => (new RegExp @name).test(key)
    this.removeItem(key) for key in collectionKeys
    # this.setItem(@name, '')
    console.log 'before reset', this.getItem(@name)
    record.reset() for record in [@allIds, @destroyIds]
    console.log 'after reset', this.getItem(@name)

# CONSOLE:
# => before reset, null
# => after reset, ''