Reimplement build process

This generates slightly different code than we had before, but it should
be functionally equivalent.

Author: rylnd

package.json

@@ -7,15 +7,16 @@
   },
   "scripts": {
     "test": "mocha --exit",
-    "build": "babel src/ --out-dir=dist/ --copy-files",
+    "build": "tsc && npm run build:assets",
+    "build:assets": "cp -r {src,dist}/img",
     "dev": "concurrently --kill-others --prefix=name --names=server,eslint --prefix-colors=green,magenta \"npm run dev:server\" \"npm run dev:lint\"",
     "dev:server": "onchange -i -k 'src/**/*.ts' -- ts-node test/server.ts",
     "dev:lint": "onchange -i -k 'src/**/*.ts' -- tslint -t stylish 'src/**/*.ts'",
     "prepublishOnly": "npm run build"
   },
   "author": "",
   "license": "MIT",
-  "main": "dist/routes/avatars.js",
+  "main": "dist/index.js",
   "dependencies": {
     "express": "^4.16.4",
     "gm": "^1.16.0",

src/favicon.ico renamed to test/favicon.ico

@@ -7,7 +7,7 @@ import avatarsRoutes from '../src/routes/avatars';
 const app = express();
 const port = Number(process.env.PORT) || 3002;
 
-const faviconPath = path.join(__dirname, '..', 'src', 'favicon.ico');
+const faviconPath = path.join(__dirname, 'favicon.ico');
 app.use(favicon(faviconPath));
 
 app.use('/avatars', avatarsRoutes);

test/server.ts

@@ -5,7 +5,6 @@
     "target": "es6",
     "noImplicitAny": false,
     "moduleResolution": "node",
-    "sourceMap": true,
     "outDir": "dist",
     "baseUrl": ".",
     "paths": {