third_party_jsframework/runtime/main/extend/systemplugin/document.js

import { paramMock } from "./utils"

export function mockDocument() {
  global.systemplugin.document = {
    create: function (...args) {
      console.warn("document.create interface mocked in the Previewer. How this interface works on the Previewer may" +
        " be different from that on a real device.")
      const len = args.length
      if (typeof args[len - 1] === 'function') {
        args[len - 1].call(this, paramMock.businessErrorMock, paramMock.paramStringMock)
      } else {
        return new Promise((resolve, reject) => {
          resolve(paramMock.paramStringMock);
        })
      }
    },
    choose: function (...args) {
      console.warn("document.choose interface mocked in the Previewer. How this interface works on the Previewer may" +
        " be different from that on a real device.")
      const len = args.length
      if (typeof args[len - 1] === 'function') {
        args[len - 1].call(this, paramMock.businessErrorMock, paramMock.paramStringMock)
      } else {
        return new Promise((resolve, reject) => {
          resolve(paramMock.paramStringMock);
        })
      }
    },
    show: function (...args) {
      console.warn("document.show interface mocked in the Previewer. How this interface works on the Previewer may" +
        " be different from that on a real device.")
      const len = args.length
      if (typeof args[len - 1] === 'function') {
        args[len - 1].call(this, paramMock.businessErrorMock)
      } else {
        return new Promise((resolve, reject) => {
          resolve();
        })
      }
    }
  }
}