From 77621acb2d7201646bebb0156396818c415e8344 Mon Sep 17 00:00:00 2001
From: Hector Alfaro <hectorsector@github.com>
Date: Wed, 30 Oct 2019 14:23:59 -0400
Subject: [PATCH] add lambda fcn handler

---
 handler.js | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 handler.js

diff --git a/handler.js b/handler.js
new file mode 100644
index 0000000..d1ac2c1
--- /dev/null
+++ b/handler.js
@@ -0,0 +1,41 @@
+const fs = require('fs')
+const path = require('path')
+
+const files = {
+  '/public/index.css': {
+    content: fs.readFileSync(path.join(__dirname, 'public', 'index.css'), 'utf8'),
+    type: 'text/css'
+  },
+  '/public/main.js': {
+    content: fs.readFileSync(path.join(__dirname, 'public', 'main.js'), 'utf8'),
+    type: 'text/javascript'
+  },
+  '/': {
+    content: fs.readFileSync(path.join(__dirname, 'index.html'), 'utf8'),
+    type: 'text/html'
+  }
+}
+
+/**
+ *
+ * Event doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html#api-gateway-simple-proxy-for-lambda-input-format
+ * @param {Object} event - API Gateway Lambda Proxy Input Format
+ *
+ * Context doc: https://docs.aws.amazon.com/lambda/latest/dg/nodejs-prog-model-context.html
+ * @param {Object} context
+ *
+ * Return doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html
+ * @returns {Object} object - API Gateway Lambda Proxy Output Format
+ *
+ */
+exports.lambdaHandler = async (event, context) => {
+  // This will either be /, /public/index.css, or /public/main.js
+  const requestPath = event.path
+  const { content, type } = files[requestPath]
+
+  return {
+    headers: { 'content-type': type },
+    statusCode: 200,
+    body: content
+  }
+}