wepy.page实例中无法访问到wepy.app实例的customFunction

[sponialdy]

Description

wepy.page实例中无法访问到wepy.app实例的customFunction

Environment

• Platform: [开发者工具/iOS/Andriod/Web] All
• Platform version: [对应工具或者iOS或者Andriod的版本号] null
• Wechat version: [微信版本号] null
• wepy-cli version: [wepy-cli -v]
• wepy version: [在package.json里] 1.6.0 or 1.7.2
• other version: [如果是插件问题，请列出问题插件的版本号] null

Reproduce

see Relevant Code

Observed Results

只能读取customData

Expected Results

可以读取到customFunction和customData

Relevant Code / Logs

// app实例
export default class extends wepy.app {
  constructor() {
    super();
    this.use('promisify');
  }

  globalData = {};

  config = {};

  customData = {};

  customFunction() {};

  onLaunch() {};
}

// page 实例
export default class Activity extends wepy.page {
  config = {};
  data = {};
  onLoad(query) {
    console.log(this.$parent);
   // 无法读取到customFunction， 可以读取到customData
  }
}

[stale[bot]]

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