fix: build typescript automatically using webpack

package.json

@@ -4,19 +4,27 @@
   "description": "A serverless DDNS service using AWS Lambda",
   "main": "index.js",
   "dependencies": {
-    "bcryptjs": "^2.4.3",
-    "cloudflare": "^2.7.0"
+    "bcryptjs": "^2.4.3"
   },
   "devDependencies": {
+    "@babel/core": "^7.14.0",
+    "@babel/preset-env": "^7.14.1",
+    "@babel/preset-typescript": "^7.13.0",
     "@types/aws-lambda": "^8.10.76",
     "@types/bcryptjs": "^2.4.2",
     "@typescript-eslint/eslint-plugin": "^4.22.0",
     "@typescript-eslint/parser": "^4.22.0",
     "babel-eslint": "^10.1.0",
+    "babel-loader": "^8.2.2",
+    "copy-webpack-plugin": "^8.1.1",
     "eslint": "^7.25.0",
+    "fork-ts-checker-webpack-plugin": "^6.2.6",
     "serverless": "^2.29.0",
     "serverless-domain-manager": "^5.1.0",
-    "typescript": "^4.2.4"
+    "serverless-webpack": "^5.4.2",
+    "typescript": "^4.2.4",
+    "webpack": "^5.36.2",
+    "webpack-node-externals": "^3.0.0"
   },
   "engines": {
     "node": ">=14"

serverless.yml

@@ -1,6 +1,7 @@
 service: ddns-updater
 plugins:
   - serverless-domain-manager
+  - serverless-webpack
 provider:
   name: aws
   runtime: nodejs14.x
@@ -32,10 +33,13 @@ custom:
       domainName: ${self:custom.domain}
       stage: ${self:custom.stage}
       createRoute53Record: true
-
+  webpack:
+    webpackConfig: 'webpack.config.js'
+    includeModules:
+      forceExclude:
+        - aws-sdk
 package:
- patterns:
-    - 'src/**'
+  individually: true
 
 functions:
   index:

src/auth.ts

@@ -1,7 +1,7 @@
 'use strict';
 
 import bcrypt from 'bcryptjs';
-import { IConfig, Loader as ConfigLoader } from './config.js';
+import { IConfig, Loader as ConfigLoader } from './config';
 import { Callback, Context, APIGatewayTokenAuthorizerEvent } from 'aws-lambda';
 
 async function validate(username: string, password: string) {

src/ddns-updater.ts

@@ -1,6 +1,6 @@
 'use strict';
 
-import Route53 from './providers/route53.js';
+import Route53 from './providers/route53';
 import { IHostConfig} from './config';
 
 class DdnsUpdater {

src/handler.ts

@@ -1,7 +1,7 @@
 'use strict';
 
-import DdnsUpdater from './ddns-updater.js';
-import { IConfig, IHostConfig, Loader as ConfigLoader } from './config.js';
+import DdnsUpdater from './ddns-updater';
+import { IConfig, IHostConfig, Loader as ConfigLoader } from './config';
 import { APIGatewayEvent, Callback, Context } from 'aws-lambda';
 
 function createResponse(statusCode: number, body: string) {

webpack.config.js

@@ -0,0 +1,57 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const path = require('path');
+const nodeExternals = require('webpack-node-externals');
+const slsw = require('serverless-webpack');
+const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
+const CopyPlugin = require('copy-webpack-plugin');
+
+
+const isLocal = slsw.lib.webpack.isLocal;
+
+module.exports = {
+  mode: isLocal ? 'development' : 'production',
+  entry: slsw.lib.entries,
+  externals: [nodeExternals()],
+  devtool: 'source-map',
+  resolve: {
+    extensions: [ '.js', '.jsx', '.json', '.ts', '.tsx' ]
+  },
+  output: {
+    libraryTarget: 'commonjs2',
+    path: path.join(__dirname, '.webpack'),
+    filename: '[name].js'
+  },
+  optimization: {
+      minimize: false
+  },
+  target: 'node',
+  module: {
+    rules: [
+      {
+        test: /.(js|ts)$/,
+        exclude: /node_modules/,
+        use: [
+          {
+            loader: 'babel-loader',
+            options: {
+              presets: [
+                [
+                  '@babel/preset-env',
+                  { targets: { node: '14' }, useBuiltIns: 'usage', corejs: 3 }
+                ]
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  plugins: [
+    new ForkTsCheckerWebpackPlugin(),
+    new CopyPlugin({
+        patterns: [
+           { from: "./config.json", to: "./config.json" },
+        ]
+    }),
+  ]
+};