我正在嘗試使用cognito並註冊一個用戶。我已經建立了我的游泳池和應用程序,並獲得了poolId和客戶端ID。有下面的代碼:TypeError:無法讀取未定義的屬性'CognitoUserPool'
var AWS = require('aws-sdk'); // Tried 'aws-sdk/dist/aws-sdk' too
var AWSCognito = require('amazon-cognito-identity-js'); // Tried var cognito = ... too
var CognitoUserPool = AWSCognito.CognitoUserPool;
exports.handler = function(event, context, callback) {
registerUset();
callback(null, "some success message");
}
var registerUset= function(){
var poolData = {
UserPoolId : 'xxxxxxxxxxxx', // Your user pool id here
ClientId : 'xxxxxxx' // Your client id here
}; console.log("YEEEEEEEEEEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS");
var userPool = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserPool(poolData);
var attributeList = [];
var dataEmail = {
Name : 'email',
Value : '[email protected]'
};
var dataPhoneNumber = {
Name : 'phone_number',
Value : '55555555'
};
var attributeEmail = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserAttribute(dataEmail);
var attributePhoneNumber = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserAttribute(dataPhoneNumber);
attributeList.push(attributeEmail);
attributeList.push(attributePhoneNumber);
userPool.signUp('username', 'password', attributeList, null, function(err, result){
if (err) {
alert(err);
return;
}
cognitoUser = result.user;
console.log('user name is ' + cognitoUser.getUsername());
console.log(cognitoUser);
});
}
,當我上載和運行拉姆達測試控制檯上面的代碼中,我得到以下錯誤:
START RequestId: 40f2d39f-4b97-11e7-a9c0-ef84b50cec07 Version: $LATEST
2017-06-07T15:37:50.315Z 40f2d39f-4b97-11e7-a9c0-ef84b50cec07
YEEEEEEEEEEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSSSSSS
2017-06-07T15:37:50.414Z 40f2d39f-4b97-11e7-a9c0-ef84b50cec07 TypeError:
Cannot read property 'CognitoUserPool' of undefined
at registerUset (/var/task/index.js:24:65)
at exports.handler (/var/task/index.js:8:5)
END RequestId: 40f2d39f-4b97-11e7-a9c0-ef84b50cec07
REPORT RequestId: 40f2d39f-4b97-11e7-a9c0-ef84b50cec07 Duration: 3621.75 ms
Billed Duration: 3700 ms Memory Size: 128 MB Max Memory Used: 31 MB
RequestId: 40f2d39f-4b97-11e7-a9c0-ef84b50cec07 Process exited before
completing request
它說,無法讀取屬性未定義「CognitoUserPool」。所以意味着CognitoIdentityServiceProvider未定義,這是很奇怪的。 據我看到的,我並不缺什麼,還我跟着以下鏈接的代碼示例,並設置:https://github.com/aws/amazon-cognito-identity-js
安裝和我用
> > npm install --save amazon-cognito-identity-js
包,我也裝aws- SDK。不知道爲什麼我得到上述錯誤。誰能幫忙?
更新:
我說在我的代碼開始時執行以下操作:
AWSCognito.config.region = 'us-east-1';
,我得到
TypeError: Cannot set property 'region' of undefined
所以我覺得AWSCognito是不確定的。
更新:我得到了一個建議,使用webpack來轉換我的代碼,使其與舊版本的JavaScript兼容,也使用導入而不是要求。因此,這裏是我的webpack.config.js
var path = require("path");
var DIST_DIR = path.resolve(__dirname, "dist");
module.exports = {
// Example setup for your project:
// The entry module that requires or imports the rest of your project.
// Must start with `./`!
entry: './',
// Place output files in `./dist/my-app.js`
output: {
path: DIST_DIR,
filename: 'index.js'
},
module: {
noParse: [
/aws\-sdk/,
],
loaders: [
{
test: /\.json$/,
loader: 'json'
}
]
}
};
tranforming我的代碼並運行它,我得到後如下:
{
"errorMessage": "Cannot find module './lib/browser_loader'",
"errorType": "Error",
"stackTrace": [
"Function.Module._load (module.js:417:25)",
"Module.require (module.js:497:17)",
"require (internal/module.js:20:19)",
"Object.<anonymous> (/var/task/index.js:3651:1)",
"__webpack_require__ (/var/task/index.js:20:30)",
"webpackUniversalModuleDefinition (/var/task/index.js:149:28)",
"Object.<anonymous> (/var/task/index.js:156:3)",
"__webpack_require__ (/var/task/index.js:20:30)",
"Object.<anonymous> (/var/task/index.js:75:18)"
]
}
任何想法?