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handler.js
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handler.js
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'use strict';
// ------------------------
// Bolt App Initialization
// ------------------------
const { App, ExpressReceiver } = require('@slack/bolt');
const expressReceiver = new ExpressReceiver({
signingSecret: process.env.SLACK_SIGNING_SECRET,
processBeforeResponse: true,
});
const app = new App({
token: process.env.SLACK_BOT_TOKEN,
receiver: expressReceiver,
processBeforeResponse: true,
});
// ------------------------
// Application Logic
// ------------------------
app.command('/echo', async ({ command, logger, ack, say }) => {
try {
await say(`${command.text}`);
await ack();
} catch (e) {
logger.error(e);
await ack(`:x: Failed to post a message (error: ${e})`);
}
});
// ------------------------
// AWS Lambda handler
// ------------------------
const awsServerlessExpress = require('aws-serverless-express');
const server = awsServerlessExpress.createServer(expressReceiver.app);
module.exports.app = (event, context) => {
awsServerlessExpress.proxy(server, event, context);
}