Typescript cli (#647)

* Add tsconfig.json and static module resolution for ts

* Add trailing newline to tsconfig

* Change tsc module to commonjs to support .json import

* Add tsc as dependency and to scripts

package.json

@@ -10,6 +10,7 @@
   ],
   "scripts": {
     "lint": "eslint .",
+    "type-check": "tsc",
     "build": "webpack --config=config/webpack.prod.js",
     "build-library": "webpack --config=config/webpack.library.js",
     "analyze": "webpack --config=config/webpack.bundle-analyzer.js",
@@ -20,7 +21,7 @@
     "stats-library": "webpack --config=config/webpack.library.js --json > stats.json",
     "weight": "npm run build-library > /dev/null && gzip-size built/webamp.bundle.min.js",
     "test": "jest --projects config/jest.unit.js config/jest.eslint.js",
-    "travis-tests": "npm run test && npm run build && npm run build-library",
+    "travis-tests": "npm run test && npm run type-check && npm run build && npm run build-library",
     "tdd": "jest --projects config/jest.unit.js --watch",
     "format": "prettier --write experiments/**/*.js js/**/*.js css/**/*.css !css/**/*.min.css",
     "integration-tests": "npm run build -- --display=errors-only && jest --projects config/jest.integration.js",
@@ -107,6 +108,7 @@
     "style-loader": "^0.19.1",
     "tinyqueue": "^1.2.3",
     "travis-weigh-in": "^1.0.2",
+    "typescript": "^3.0.1",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "url-loader": "^0.6.2",
     "webpack": "^3.6.0",

static.d.ts

@@ -0,0 +1,6 @@
+declare module "*.wsz";
+declare module "*.mp3";
+declare module "*.png";
+declare module "*.ico";
+declare module "*.jpg";
+declare module "*.svg";

tsconfig.json

@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "moduleResolution": "node",
+        "module": "commonjs",
+        "target": "esnext",
+        "allowJs": true,
+        "skipLibCheck": true,
+        "allowSyntheticDefaultImports": true,
+        "resolveJsonModule": true,
+        "strict": true,
+        "jsx": "preserve",
+        "noEmit": true,
+        "pretty": true
+    },
+    "include": [
+        "js/**/*.js"
+    ],
+    "exclude": [
+        "node_modules",
+        "**/*.spec.ts"
+    ]
+}