chore: layout the foundation for a typescript definition

package.json

@@ -30,7 +30,8 @@
     "test:cov-codacy": "cross-env NODE_ENV=test nyc --reporter=lcov --reporter=text mocha test --recursive && cat coverage/lcov.info | codacy-coverage",
     "test:rxbuild": "cross-env BABEL_ENV=commonjs mocha --compilers js:babel-register test/rxbuild.spec.js -r ./test/setup.js",
     "test:examples": "cross-env BABEL_ENV=commonjs babel-node examples/testAll.js",
-    "check:src": "npm run lint && npm run test && npm run test:rxbuild && npm run test:prod",
+    "test:typescript": "tsc --noEmit",
+    "check:src": "npm run lint && npm run test && npm run test:rxbuild && npm run test:prod && npm run test:typescript",
     "check:examples": "npm run build:examples && npm run test:examples",
     "build:commonjs": "cross-env BABEL_ENV=commonjs babel src --out-dir build-lib",
     "build:es": "cross-env BABEL_ENV=es babel src --out-dir build-es",
@@ -80,6 +81,8 @@
     "redux": "^3.5.2"
   },
   "devDependencies": {
+    "@types/mocha": "^5.2.2",
+    "@types/node": "^10.3.4",
     "babel-cli": "^6.3.15",
     "babel-core": "^6.3.15",
     "babel-eslint": "^7.0.0",
@@ -121,6 +124,7 @@
     "nyc": "^13.0.0",
     "redux": "^3.5.2",
     "rimraf": "^2.3.4",
+    "typescript": "~2.8.0",
     "webpack": "^1.9.6"
   },
   "npmName": "redux-logic",
@@ -145,5 +149,6 @@
     ],
     "sourceMap": false,
     "instrument": false
-  }
+  },
+  "typings": "definitions/index.d.ts"
 }

tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "esModuleInterop": true,
+    "noImplicitAny": false,
+    "noImplicitUseStrict": false,
+    "noLib": false,
+    "noResolve": false,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "lib": [
+      "dom",
+      "es2017"
+    ],
+    "typeRoots": [
+      "node_modules/@types"
+    ]
+  },
+  "include": [
+    "**/*.ts",
+    "**/*.d.ts"
+  ],
+  "exclude": [
+    "dist",
+    "node_modules"
+  ]
+}