Fix lint and build issues

Author: flaviut

package.json

@@ -23,6 +23,7 @@
   },
   "dependencies": {
     "@babel/code-frame": "^7.0.0-beta.34",
+    "@types/parcel-bundler": "^1.12.0",
     "body-parser": "^1.18.2",
     "chalk": "^2.3.0",
     "comment-json": "^1.1.3",

src/backend/ipc/server.ts

@@ -10,8 +10,6 @@ export class Server<RQ, RS, K extends Keys<RQ, RS> = Keys<RQ, RS>> {
 	private readonly app = express()
 	private readonly server: HTTPServer
 
-	private listening = false
-
 	constructor(name: string, handler: Handler<RQ, RS>) {
 		const app = this.app.use(bodyParser.json({limit: '10mb'}))
 
@@ -35,7 +33,7 @@ export class Server<RQ, RS, K extends Keys<RQ, RS> = Keys<RQ, RS>> {
 		)
 
 		this.server = app
-			.listen(setSocketPath(name), () => this.listening = true)
+			.listen(setSocketPath(name))
 			.on('error', err => console.error(err))
 	}
 

src/backend/ipc/worker/launcher.ts

@@ -10,7 +10,9 @@ process.on('message', async (message: RequestMessage<{}>) => {
 	try {
 		const result = await handler[message.method](message.data)
 		const response: ResponseMessage<{}> = {
-			id, method, type: 'response', data: {result, error: null}
+			// don't quite understand how this type signature is supposed to
+			// work (I think it's impossible to satisfy), so just cast to any.
+			id, method, type: 'response', data: {result, error: null} as any
 		}
 
 		process.send!(response)

src/frontend/assets/TypeScriptAsset.d.ts

@@ -0,0 +1,5 @@
+declare module "parcel-bundler/src/assets/TypeScriptAsset" {
+    import JSAsset from "parcel-bundler/lib/assets/JSAsset"
+
+    export = JSAsset;
+}

src/frontend/assets/typescript.ts

@@ -8,7 +8,7 @@ import TypescriptAsset from 'parcel-bundler/src/assets/TypeScriptAsset'
 class TSAsset extends TypescriptAsset {
 	private readonly config: Promise<Configuration>
 
-	constructor() {
+	constructor(name: string, options: any) {
 		super(name, options)
 
 		this.config = loadConfiguration(name, options.rootDir)

tsconfig.json

@@ -16,6 +16,7 @@
 		"importHelpers": true,
 		"downlevelIteration": true,
 		"moduleResolution": "node",
+		"esModuleInterop": true,
 
 		"rootDir": "src",
 		"outDir": "build"

tslint.json

@@ -4,7 +4,6 @@
 		"no-duplicate-variable": true,
 		"no-string-literal": false,
 		"no-console": [false],
-		"no-unused-variable": [true],
 		"whitespace": [
 			true,
 			"check-operator", "check-separator", "check-type", "check-typecast"

yarn.lock

@@ -812,6 +812,13 @@
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
   integrity sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==
 
+"@types/parcel-bundler@^1.12.0":
+  version "1.12.0"
+  resolved "https://registry.yarnpkg.com/@types/parcel-bundler/-/parcel-bundler-1.12.0.tgz#ab35ec277689593b6b281d689f0d86b0249f9220"
+  integrity sha512-25U2PLViO4rmT3XO3Mf5pSddLVr+ey5AzX9PgGzIvvMbzxkzdRGvcxb55n8W7CmYEdc9QQHRJR++a7aMSkcAzQ==
+  dependencies:
+    "@types/express-serve-static-core" "*"
+
 "@types/q@^1.5.1":
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"