Node.js 即使部署成功，也不会触发 Firebase 函数来填充 Firestore 集合.为什么

我想在firebase触发的用户集合中添加一个新文档.auth()但是数据库没有被填充.

这是我的firebase功能:

exports.newUser = functions.auth.user().onCreate((user) => {
    return db
        .collection("user")
        .doc(user.uid)
        .create(JSON.parse(JSON.stringify(user)));
});

这是我的注册方法:

export const register = (email, password) => dispatch => new Promise((resolve, reject) => {
    firebase.auth().createUserWithEmailAndPassword(email, password)
        .then(() => {
            resolve()
        })
        .catch(() => {
            console.log(typeof (email, password))
            reject()
        })
})

执行后，新用户将添加到身份验证中，但不会触发新文档的创建.函数newUser已成功部署到firebase.

似乎我解析用户数据的方法不正确，请建议我缺少什么？

功能日志(log):

4:38:51.935 PM outlined_flag
newUser Function execution started 4:38:52.968 PM newUser TypeError: entry.toJSON is not a function 4:38:52.968 PM newUser at /workspace/node_modules/firebase-functions/lib/common/providers/identity.js:113:70 4:38:52.968 PM newUser at Array.map () 4:38:52.968 PM newUser at Object.record.toJSON (/workspace/node_modules/firebase-functions/lib/common/providers/identity.js:113:49) 4:38:52.968 PM newUser at JSON.stringify () 4:38:52.968 PM newUser at /workspace/index.js:10:33 4:38:52.968 PM newUser at cloudFunction (/workspace/node_modules/firebase-functions/lib/cloud-functions.js:135:23) 4:38:52.968 PM newUser at /layers/google.nodejs.functions-framework/functions-framework/node_modules/@google-cloud/functions-framework/build/src/function_wrappers.js:144:25 4:38:52.968 PM newUser at processTicksAndRejections (node:internal/process/task_queues:96:5) 4:38:52.968 PM newUser TypeError: entry.toJSON is not a function 4:38:52.968 PM newUser at /workspace/node_modules/firebase-functions/lib/common/providers/identity.js:113:70 4:38:52.968 PM newUser at Array.map () 4:38:52.968 PM newUser at Object.record.toJSON (/workspace/node_modules/firebase-functions/lib/common/providers/identity.js:113:49) 4:38:52.968 PM newUser at JSON.stringify () more_vert 4:38:52.968 PM newUser at /workspace/index.js:10:33 4:38:52.968 PM newUser at cloudFunction (/workspace/node_modules/firebase-functions/lib/cloud-functions.js:135:23) 4:38:52.968 PM newUser at /layers/google.nodejs.functions-framework/functions-framework/node_modules/@google-cloud/functions-framework/build/src/function_wrappers.js:144:25 4:38:52.968 PM newUser at processTicksAndRejections (node:internal/process/task_queues:96:5) 4:38:52.979 PM outlined_flag
newUser Function execution took 1044 ms. Finished with status: error