在本地运行firebase触发器事件

Question

我有一个简单的方法，比如

exports.updatePlayer = functions.firestore
  .document('matches/{docId}')
  .onCreate((change, context) => {
    console.log('fired------------', context.params.docId);
  });

如果我将一个新文档添加到matches，我可以在日志中看到控制台消息。

问题是我如何在本地运行它？我在package.json里有这个命令

"serve": "firebase emulators:start --only functions,database",

当我运行‘`npm run server’时，控制台显示

> functions@ serve D:\cric\fs-functions\functions
> firebase emulators:start --only functions,database

i  emulators: Starting emulators: functions
!  database: Not starting the database emulator, make sure you have run firebase init.
+  hub: emulator hub started at http://localhost:4400
!  Your requested "node" version "8" doesn't match your global version "12"
+  functions: functions emulator started at http://localhost:5001
i  functions: Watching "D:\cric\fs-functions\functions" for Cloud Functions...
!  functions: The Cloud Firestore emulator is not running, so calls to Firestore will affect production.
+  functions[allMatches]: http function initialized (http://localhost:5001/xxxx-xxxxx/us-central1/allMatches).
i  functions[updatePlayer]: function ignored because the firestore emulator does not exist or is not running.
+  emulators: All emulators started, it is now safe to connect.

但是现在，如果我向firestore集合中添加了一些内容，我的本地终端上将不会收到任何控制台消息。也不是那个i functions[updatePlayer]: function ignored because the firestore emulator does not exist or is not running.

我想在本地运行这个触发器，这样就可以快速编写/测试我的代码。

Answer 1

尝试更新您的NodeJs版本

Firebase宣布在云函数上弃用Node.js 8运行时，并停止使用Node.js 6运行时。

要确保您的函数位于受支持的Node.js版本上，请尽快迁移到Node.js 10运行时。

从Node.js 8更新到Node.js 10，通过setting the engines field in package.json显式指定Node.js 10运行时

NodeJs End-of-Life Releases