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@aws-amplify/core

Core category of aws-amplify


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What is @aws-amplify/core?

@aws-amplify/core is a foundational library for the AWS Amplify ecosystem. It provides essential utilities and functionalities that support the other Amplify libraries, such as configuration management, logging, and event handling.

What are @aws-amplify/core's main functionalities?

Configuration Management

This feature allows you to configure various AWS services used by your application. The configuration object can include settings for authentication, storage, API, and more.

const Amplify = require('@aws-amplify/core');

Amplify.configure({
  Auth: {
    identityPoolId: 'XX-XXXX-X:XXXXXXXX-XXXX-1234-abcd-1234567890ab',
    region: 'XX-XXXX-X',
    userPoolId: 'XX-XXXX-X_abcd1234',
    userPoolWebClientId: 'XX-XXXX-X_abcd1234'
  }
});

Logging

The logging feature provides a way to log messages at different levels (log, info, warn, error). This can be useful for debugging and monitoring your application.

const { Logger } = require('@aws-amplify/core');

const logger = new Logger('MyLogger');

logger.log('This is a log message');
logger.info('This is an info message');
logger.warn('This is a warning message');
logger.error('This is an error message');

Event Handling

Event handling allows you to listen for and dispatch events within your application. This can be useful for responding to changes in authentication state, data updates, and other events.

const { Hub } = require('@aws-amplify/core');

Hub.listen('auth', (data) => {
  const { payload } = data;
  console.log('A new auth event has happened: ', payload);
});

Hub.dispatch('auth', { event: 'signIn', data: { username: 'user1' }, message: 'User signed in' });

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Package last updated on 05 Apr 2019

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