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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,62 +1,62 @@ | ||
| 'use strict' | ||
| 'use strict'; | ||
|
|
||
| const fs = require('fs') | ||
| const awsServerlessExpress = require('aws-serverless-express') | ||
| const fs = require('fs'); | ||
| const awsServerlessExpress = require('aws-serverless-express'); | ||
|
|
||
| exports.handler = async (event, context) => { | ||
| // remove AWS Lambda default handling of unhandled rejections | ||
| // this makes sure dev mode cli catches unhandled rejections | ||
| process.removeAllListeners('unhandledRejection') | ||
| process.removeAllListeners('unhandledRejection'); | ||
|
|
||
| // make event object look like APIG 1.0 | ||
| // until aws-serverless-express supports APIG 2.0 | ||
| event.path = event.requestContext.http.path | ||
| event.method = event.requestContext.http.method | ||
| event.httpMethod = event.requestContext.http.method | ||
| event.path = event.requestContext.http.path; | ||
| event.method = event.requestContext.http.method; | ||
| event.httpMethod = event.requestContext.http.method; | ||
| // APIG 2.0 extracts cookies from headers automatically. | ||
| // We need to put `cookie` back to `headers.cookie` so it works with current aws-serverless-express | ||
| if (event.cookies && event.cookies.length > 0) { | ||
| event.headers.cookie = event.cookies.join('; ') | ||
| event.headers.cookie = event.cookies.join('; '); | ||
| } | ||
|
|
||
| // NOTICE: require() is relative to this file, while existsSync() is relative to the cwd, which is the root of lambda | ||
| let app | ||
| let app; | ||
| if (fs.existsSync('./app.js')) { | ||
| // load the user provided app | ||
|
|
||
| try { | ||
| // eslint-disable-next-line import/no-unresolved | ||
| app = require('../app.js') | ||
| app = require('../app.js'); | ||
| } catch (e) { | ||
| if (e.message.includes("Cannot find module 'express'")) { | ||
| // user probably did not run "npm i". return a helpful message. | ||
| return { | ||
| statusCode: 404, | ||
| body: | ||
| 'The "express" dependency was not found. Did you install "express" as a dependency within your source folder via npm?' | ||
| } | ||
| 'The "express" dependency was not found. Did you install "express" as a dependency within your source folder via npm?', | ||
| }; | ||
| } | ||
| // some other require error | ||
| return { | ||
| statusCode: 404, | ||
| body: e.message | ||
| } | ||
| body: e.message, | ||
| }; | ||
| } | ||
| } else { | ||
| // load the built-in default app | ||
| app = require('../_src/app.js') | ||
| app = require('../_src/app.js'); | ||
| } | ||
|
|
||
| if (typeof app !== 'function') { | ||
| // make sure user exported app in app.js or return a helpful message. | ||
| return { | ||
| statusCode: 404, | ||
| body: | ||
| 'Express app not found. Please make sure you are exporting express from an "app.js" file.' | ||
| } | ||
| 'Express app not found. Please make sure you are exporting express from an "app.js" file.', | ||
| }; | ||
| } | ||
|
|
||
| const server = awsServerlessExpress.createServer(app) | ||
| const res = await awsServerlessExpress.proxy(server, event, context, 'PROMISE') | ||
| return res.promise | ||
| } | ||
| const server = awsServerlessExpress.createServer(app); | ||
| const res = await awsServerlessExpress.proxy(server, event, context, 'PROMISE'); | ||
| return res.promise; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,18 @@ | ||
| 'use strict' | ||
| 'use strict'; | ||
|
|
||
| const express = require('express') | ||
| const express = require('express'); | ||
|
|
||
| const app = express() | ||
| const app = express(); | ||
|
|
||
| // Routes | ||
| app.get('/*', (req, res) => { | ||
| res.send(`Request received: ${req.method} - ${req.path}`) | ||
| }) | ||
| res.send(`Request received: ${req.method} - ${req.path}`); | ||
| }); | ||
|
|
||
| // Error handler | ||
| app.use((err, req, res) => { | ||
| console.error(err) | ||
| res.status(500).send('Internal Serverless Error') | ||
| }) | ||
| console.error(err); | ||
| res.status(500).send('Internal Serverless Error'); | ||
| }); | ||
|
|
||
| module.exports = app | ||
| module.exports = app; |
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