@dcloudio/uni-debugger/src/link/managers/runtime_manager.js

uni-app debugger

const mlink = require('../index')
const WebsocketTerminal = mlink.Terminal.WebsocketTerminal
const URL = require('url')
const WebSocket = require('ws')
const { request } = require('../../util')
const config = require('../../config')
const { logger } = require('../../util')

class RuntimeManager {
  constructor () {
    this.runtimeTerminalMap = {}
  }
  connect (channelId) {
    return new Promise((resolve, reject) => {
      request
        .getRemote(`http://127.0.0.1:${config.REMOTE_DEBUG_PORT || 9222}/json`)
        .then(data => {
          const list = JSON.parse(data)
          let found = false
          for (const target of list) {
            const urlObj = URL.parse(target.url)
            if (
              urlObj.pathname === '/runtime/runtime.html' &&
              urlObj.port === config.port + ''
            ) {
              found = target
              break
            }
            else if (urlObj.pathname === '/debug.html') {
              found = target
            }
          }
          if (found) {
            if (found.webSocketDebuggerUrl) {
              logger.verbose(
                `Have found the webSocketDebuggerUrl: ${
                  found.webSocketDebuggerUrl
                }`
              )
              const ws = new WebSocket(found.webSocketDebuggerUrl)
              const terminal = new WebsocketTerminal(ws, channelId)
              const _runtimeTerminalMaps = this.runtimeTerminalMap[channelId]
              if (_runtimeTerminalMaps && _runtimeTerminalMaps.length > 0) {
                _runtimeTerminalMaps.unshift(terminal)
              }
              else {
                this.runtimeTerminalMap[channelId] = [terminal]
              }
              resolve(terminal)
            }
            else {
              logger.verbose(
                `Not found the webSocketDebuggerUrl from the ${found}`
              )
              reject('TOAST_DO_NOT_OPEN_CHROME_DEVTOOL')
            }
          }
          else {
            logger.verbose(`Not found the remote debug json`)
            reject('TOAST_CAN_NOT_FIND_RUNTIME')
          }
        })
        .catch(e => {
          reject('TOAST_JS_RUNTIME_INIT_FAIL')
        })
    })
  }
  remove (channelId) {
    const terminals = this.runtimeTerminalMap[channelId]
    if (terminals && terminals.length > 0) {
      const popTerminal = terminals.pop()
      popTerminal.websocket.close()
    }
    else {
      logger.error(new Error('Try to remove a non-exist runtime'))
    }
  }
  has (channelId) {
    const terminals = this.runtimeTerminalMap[channelId]
    return terminals && terminals.length > 0
  }
}
module.exports = new RuntimeManager()