diff --git a/.gitignore b/.gitignore
index d39e017..358b16f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,4 @@
-lib
 node_modules
 npm-debug.log
-src/*.js
-test/*.js
 .rpt2_cache/*
 yarn-error.log
diff --git a/lib/nuxt-property-decorator.d.ts b/lib/nuxt-property-decorator.d.ts
new file mode 100644
index 0000000..3563aa2
--- /dev/null
+++ b/lib/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 };
diff --git a/lib/nuxt-property-decorator.umd.js b/lib/nuxt-property-decorator.umd.js
new file mode 100644
index 0000000..3672c40
--- /dev/null
+++ b/lib/nuxt-property-decorator.umd.js
@@ -0,0 +1,243 @@
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('vue'), require('vue-class-component'), require('reflect-metadata')) :
+	typeof define === 'function' && define.amd ? define(['exports', 'vue', 'vue-class-component', 'reflect-metadata'], factory) :
+	(factory((global.NuxtPropertyDecorator = {}),global.Vue,global.VueClassComponent));
+}(this, (function (exports,vue,Component) { 'use strict';
+
+vue = vue && vue.hasOwnProperty('default') ? vue['default'] : vue;
+var Component__default = 'default' in Component ? Component['default'] : Component;
+
+Component__default.registerHooks([
+    'beforeRouteEnter',
+    'beforeRouteLeave',
+    'asyncData',
+    'fetch',
+    'head',
+    'middleware',
+    'layout',
+    'transition',
+    'scrollToTop',
+    'validate'
+]);
+// const Component = require('nuxt-class-component');
+// const { createDecorator } = require('nuxt-class-component');
+/**
+ * decorator of an inject
+ * @param key key
+ * @return PropertyDecorator
+ */
+function Inject(key) {
+    return Component.createDecorator(function (componentOptions, k) {
+        if (typeof componentOptions.inject === 'undefined') {
+            componentOptions.inject = {};
+        }
+        if (!Array.isArray(componentOptions.inject)) {
+            componentOptions.inject[k] = key || k;
+        }
+    });
+}
+/**
+ * decorator of a provide
+ * @param key key
+ * @return PropertyDecorator | void
+ */
+function Provide(key) {
+    return Component.createDecorator(function (componentOptions, k) {
+        var provide = componentOptions.provide;
+        if (typeof provide !== 'function' || !provide.managed) {
+            var original_1 = componentOptions.provide;
+            provide = componentOptions.provide = function () {
+                var rv = Object.create((typeof original_1 === 'function' ? original_1.call(this) : original_1) || null);
+                for (var i in provide.managed)
+                    rv[provide.managed[i]] = this[i];
+                return rv;
+            };
+            provide.managed = {};
+        }
+        provide.managed[k] = key || k;
+    });
+}
+/**
+ * decorator of model
+ * @param  event event name
+ * @return PropertyDecorator
+ */
+function Model(event, options) {
+    if (options === void 0) { options = {}; }
+    return function (target, key) {
+        if (!Array.isArray(options) && typeof options.type === 'undefined') {
+            options.type = Reflect.getMetadata('design:type', target, key);
+        }
+        Component.createDecorator(function (componentOptions, k) {
+            (componentOptions.props || (componentOptions.props = {}))[k] = options;
+            componentOptions.model = { prop: k, event: event || k };
+        })(target, key);
+    };
+}
+/**
+ * decorator of a prop
+ * @param  options the options for the prop
+ * @return PropertyDecorator | void
+ */
+function Prop(options) {
+    if (options === void 0) { options = {}; }
+    return function (target, key) {
+        if (!Array.isArray(options) && typeof options.type === 'undefined') {
+            options.type = Reflect.getMetadata('design:type', target, key);
+        }
+        Component.createDecorator(function (componentOptions, k) {
+            (componentOptions.props || (componentOptions.props = {}))[k] = options;
+        })(target, key);
+    };
+}
+/**
+ * decorator of a watch function
+ * @param  path the path or the expression to observe
+ * @param  WatchOption
+ * @return MethodDecorator
+ */
+function Watch(path, options) {
+    if (options === void 0) { options = {}; }
+    var _a = options.deep, deep = _a === void 0 ? false : _a, _b = options.immediate, immediate = _b === void 0 ? false : _b;
+    return Component.createDecorator(function (componentOptions, handler) {
+        if (typeof componentOptions.watch !== 'object') {
+            componentOptions.watch = Object.create(null);
+        }
+        componentOptions.watch[path] = { handler: handler, deep: deep, immediate: immediate };
+    });
+}
+// Code copied from Vue/src/shared/util.js
+var hyphenateRE = /\B([A-Z])/g;
+var hyphenate = function (str) { return str.replace(hyphenateRE, '-$1').toLowerCase(); };
+/**
+ * decorator of an event-emitter function
+ * @param  event The name of the event
+ * @return MethodDecorator
+ */
+function Emit(event) {
+    return function (target, key, descriptor) {
+        key = hyphenate(key);
+        var original = descriptor.value;
+        descriptor.value = function emitter() {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            if (false !== original.apply(this, args))
+                this.$emit.apply(this, [event || key].concat(args));
+        };
+    };
+}
+/**
+ * decorator of $off
+ * @param event The name of the event
+ * @param method The name of the method
+ */
+function Off(event, method) {
+    return function (target, key, descriptor) {
+        key = hyphenate(key);
+        var original = descriptor.value;
+        descriptor.value = function offer() {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            if (original.apply(this, args) !== false) {
+                if (method) {
+                    if (typeof this[method] === 'function') {
+                        this.$off(event || key, this[method]);
+                    }
+                    else {
+                        throw new TypeError('must be a method name');
+                    }
+                }
+                else if (event) {
+                    this.$off(event || key);
+                }
+                else {
+                    this.$off();
+                }
+            }
+        };
+    };
+}
+/**
+ * decorator of $on
+ * @param event The name of the event
+ */
+function On(event) {
+    return Component.createDecorator(function (componentOptions, k) {
+        var key = hyphenate(k);
+        if (typeof componentOptions.created !== 'function') {
+            componentOptions.created = function () { };
+        }
+        var original = componentOptions.created;
+        componentOptions.created = function () {
+            original();
+            if (typeof componentOptions.methods !== 'undefined') {
+                this.$on(event || key, componentOptions.methods[k]);
+            }
+        };
+    });
+}
+/**
+ * decorator of $once
+ * @param event The name of the event
+ */
+function Once(event) {
+    return Component.createDecorator(function (componentOptions, k) {
+        var key = hyphenate(k);
+        if (typeof componentOptions.created !== 'function') {
+            componentOptions.created = function () { };
+        }
+        var original = componentOptions.created;
+        componentOptions.created = function () {
+            original();
+            if (typeof componentOptions.methods !== 'undefined') {
+                this.$once(event || key, componentOptions.methods[k]);
+            }
+        };
+    });
+}
+/**
+ * decorator of $nextTick
+ *
+ * @export
+ * @param {string} method
+ * @returns {MethodDecorator}
+ */
+function NextTick(method) {
+    return function (target, key, descriptor) {
+        var original = descriptor.value;
+        descriptor.value = function emitter() {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            if (original.apply(this, args) !== false)
+                if (typeof this[method] === 'function') {
+                    this.$nextTick(this[method]);
+                }
+                else {
+                    throw new TypeError('must be a method name');
+                }
+        };
+    };
+}
+
+exports.Inject = Inject;
+exports.Provide = Provide;
+exports.Model = Model;
+exports.Prop = Prop;
+exports.Watch = Watch;
+exports.Emit = Emit;
+exports.Off = Off;
+exports.On = On;
+exports.Once = Once;
+exports.NextTick = NextTick;
+exports.Component = Component__default;
+exports.Vue = vue;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
diff --git a/package.json b/package.json
index 4ea8aae..a6bd853 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,6 @@
   },
   "scripts": {
     "build": "rollup -c",
-    "postinstall": "rollup -c",
     "test": "jest",
     "release": "standard-version && git push --follow-tags && npm publish"
   },