Adding Typescript Compiler (#422)

.gitignore

@@ -2,3 +2,6 @@
 /npm-debug.log
 /test/multidep
 /test/fixtures/project/dist
+/dist
+
+yarn-error.log

package.json

@@ -13,18 +13,23 @@
   "homepage": "https://github.com/broccolijs/broccoli",
   "license": "MIT",
   "author": "Jo Liss <[email protected]>",
-  "main": "lib/index.js",
+  "main": "dist/index.js",
   "types": "lib/index.d.ts",
   "repository": {
     "type": "git",
     "url": "https://github.com/broccolijs/broccoli"
   },
   "scripts": {
+    "build": "tsc && yarn html",
+    "clean": "rm -rf dist",
+    "html": "copyfiles -u 1 lib/templates/*.html ./dist",
     "lint": "eslint lib test",
     "lint:fix": "eslint --fix lib test",
+    "prepare": "yarn build",
     "pretest": "multidep test/multidep.json",
-    "test": "mocha",
-    "test:debug": "mocha --inspect-brk"
+    "test": "yarn build && mocha",
+    "test:debug": "yarn build && mocha --inspect-brk",
+    "watch": "tsc --watch"
   },
   "dependencies": {
     "ansi-html": "^0.0.7",
@@ -51,8 +56,10 @@
     "watch-detector": "^0.1.0"
   },
   "devDependencies": {
+    "@types/node": "^12.7.1",
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",
+    "copyfiles": "^2.1.1",
     "eslint-config-prettier": "^2.9.0",
     "eslint-plugin-mocha": "^5.0.0",
     "eslint-plugin-node": "^6.0.1",
@@ -73,5 +80,8 @@
   },
   "engines": {
     "node": "8.* || >= 10.*"
-  }
+  },
+  "files": [
+    "dist"
+  ]
 }

test/fixtures/project-ts/tsconfig.json

@@ -0,0 +1 @@
+{}

tsconfig.json

@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "rootDir": "lib",
+    "outDir": "dist",
+    "declaration": false,
+    "strict": true,
+    "moduleResolution": "node",
+    "module": "commonjs",
+    "sourceMap": true,
+    "target": "es2017",
+    "baseUrl": ".",
+    "paths": {
+      "*": ["types/*"]
+    },
+    "allowJs": true
+  },
+  "include": [
+    "lib/**/*"
+  ]
+}