text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  import config from '../config'
  import {
    refresh,
    destroy
  } from '../app/ctrl/index'
  import { instanceMap } from './map'
  import { resetTarget } from '../core/dep'
  
  /**
   * Init config informations for Weex framework
   * @param  {object} cfg
   */
  export function init(cfg) {
    config.Document = cfg.Document
    config.Element = cfg.Element
    config.Comment = cfg.Comment
    config.sendTasks = cfg.sendTasks
    config.Listener = cfg.Listener
  }
  
  /**
   * Refresh a Weex instance with data.
   *
   * @param  {string} id
   * @param  {object} data
   */
  export function refreshInstance(id, data) {
    const instance = instanceMap[id]
    let result
    /* istanbul ignore else */
    if (instance) {
      result = refresh(instance, data)
    }
    else {
      result = new Error(`invalid instance id "${id}"`)
    }
    return result
  }
  
  /**
   * Destroy a Weex instance.
   * @param  {string} id
   */
  export function destroyInstance(id) {
    // Markup some global state in native side
    if (typeof markupState === 'function') {
      markupState()
    }
  
    resetTarget()
    const instance = instanceMap[id]
    /* istanbul ignore else */
    if (!instance) {
      return new Error(`invalid instance id "${id}"`)
    }
    destroy(instance)
    delete instanceMap[id]
    // notifyContextDisposed is used to tell v8 to do a full GC,
    // but this would have a negative performance impact on weex,
    // because all the inline cache in v8 would get cleared
    // during a full GC.
    // To take care of both memory and performance, just tell v8
    // to do a full GC every eighteen times.
    const idNum = Math.round(id)
    const round = 18
    if (idNum > 0) {
      const remainder = idNum % round
      if (!remainder && typeof notifyTrimMemory === 'function') {
        notifyTrimMemory()
      }
    }
    return instanceMap
  }
  