fix(build): build typescript as js module

rollup.config.js

@@ -1,5 +1,12 @@
+import typescript from 'rollup-plugin-typescript2';
+
 export default {
-  entry: 'lib/nuxt-property-decorator.js',
+  entry: './src/nuxt-property-decorator.ts',
+	plugins: [
+		typescript({
+      tsconfig: './tsconfig.json'
+    })
+	],
   format: 'umd',
   moduleName: 'NuxtPropertyDecorator',
   dest: 'lib/nuxt-property-decorator.umd.js',

src/nuxt-property-decorator.d.ts

@@ -0,0 +1,68 @@
+import Vue, { PropOptions, WatchOptions } from 'vue';
+import Component from 'vue-class-component';
+import 'reflect-metadata';
+export declare type Constructor = {
+    new (...args: any[]): any;
+};
+/**
+ * decorator of an inject
+ * @param key key
+ * @return PropertyDecorator
+ */
+export declare function Inject(key?: string | symbol): PropertyDecorator;
+/**
+ * decorator of a provide
+ * @param key key
+ * @return PropertyDecorator | void
+ */
+export declare function Provide(key?: string | symbol): PropertyDecorator;
+/**
+ * decorator of model
+ * @param  event event name
+ * @return PropertyDecorator
+ */
+export declare function Model(event?: string, options?: (PropOptions | Constructor[] | Constructor)): PropertyDecorator;
+/**
+ * decorator of a prop
+ * @param  options the options for the prop
+ * @return PropertyDecorator | void
+ */
+export declare function Prop(options?: (PropOptions | Constructor[] | Constructor)): PropertyDecorator;
+/**
+ * decorator of a watch function
+ * @param  path the path or the expression to observe
+ * @param  WatchOption
+ * @return MethodDecorator
+ */
+export declare function Watch(path: string, options?: WatchOptions): MethodDecorator;
+/**
+ * decorator of an event-emitter function
+ * @param  event The name of the event
+ * @return MethodDecorator
+ */
+export declare function Emit(event?: string): MethodDecorator;
+/**
+ * decorator of $off
+ * @param event The name of the event
+ * @param method The name of the method
+ */
+export declare function Off(event?: string, method?: string): MethodDecorator;
+/**
+ * decorator of $on
+ * @param event The name of the event
+ */
+export declare function On(event?: string): MethodDecorator;
+/**
+ * decorator of $once
+ * @param event The name of the event
+ */
+export declare function Once(event?: string): MethodDecorator;
+/**
+ * decorator of $nextTick
+ *
+ * @export
+ * @param {string} method
+ * @returns {MethodDecorator}
+ */
+export declare function NextTick(method: string): MethodDecorator;
+export { Component, Vue };

src/tsconfig.json → tsconfig.json

@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "outDir": "../lib",
+    "outDir": "./lib",
     "target": "es5",
     "module": "es2015",
     "moduleResolution": "node",
@@ -12,7 +12,7 @@
     "removeComments": false,
     "strictNullChecks": true,
     "typeRoots": [
-      "../node_modules/@types/"
+      "./node_modules/@types/"
     ],
     "allowSyntheticDefaultImports": true,
     "lib": [
@@ -23,7 +23,7 @@
     ]
   },
   "include": [
-    "./*.ts"
+    "src/**/*.ts"
   ],
   "exclude": [
     "node_modules",