refactor: port resolve-extends to ts (#664)

* build: simplify repo cleaning

* build: port execute-rule to ts

* test: bring test cases up to speed

* fix: add missing node typings

@commitlint/format/package.json

@@ -37,7 +37,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@commitlint/test": "^8.0.0",
+    "@commitlint/utils": "^8.0.0",
     "@types/jest": "24.0.13",
     "@types/lodash": "4.14.133",
     "concurrently": "3.5.1",

@commitlint/resolve-extends/jest.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+	preset: 'ts-jest',
+	testEnvironment: 'node'
+};

@commitlint/resolve-extends/package.json

@@ -7,31 +7,11 @@
     "lib/"
   ],
   "scripts": {
-    "build": "cross-env NODE_ENV=production babel src --out-dir lib  --source-maps",
+    "build": "tsc",
     "deps": "dep-check",
     "pkg": "pkg-check",
-    "start": "concurrently \"ava -c 4 --verbose --watch\" \"yarn run watch\"",
-    "test": "ava -c 4 --verbose",
-    "watch": "babel src --out-dir lib --watch --source-maps"
-  },
-  "ava": {
-    "files": [
-      "src/**/*.test.js",
-      "!lib/**/*"
-    ],
-    "source": [
-      "src/**/*.js",
-      "!lib/**/*"
-    ],
-    "babel": "inherit",
-    "require": [
-      "babel-register"
-    ]
-  },
-  "babel": {
-    "presets": [
-      "babel-preset-commitlint"
-    ]
+    "start": "concurrently \"jest --watchAll\" \"tsc -w\"",
+    "test": "jest"
   },
   "engines": {
     "node": ">=4"
@@ -57,19 +37,17 @@
   "license": "MIT",
   "devDependencies": {
     "@commitlint/parse": "^8.0.0",
-    "@commitlint/test": "^8.0.0",
     "@commitlint/utils": "^8.0.0",
-    "@marionebl/sander": "0.6.1",
-    "ava": "0.22.0",
-    "babel-cli": "6.26.0",
-    "babel-preset-commitlint": "^8.0.0",
-    "babel-register": "6.26.0",
+    "@types/jest": "24.0.13",
+    "@types/lodash": "^4.14.130",
+    "@types/resolve-from": "^5.0.1",
     "concurrently": "3.5.1",
-    "cross-env": "5.1.1",
-    "execa": "0.9.0"
+    "jest": "24.8.0",
+    "ts-jest": "24.0.2",
+    "typescript": "3.4.5"
   },
   "dependencies": {
-    "babel-runtime": "6.26.0",
+    "@types/node": "^12.0.2",
     "import-fresh": "^3.0.0",
     "lodash": "4.17.11",
     "resolve-from": "^5.0.0",