add typescript definition file

index.d.ts

@@ -0,0 +1,65 @@
+export interface PropOption {
+    type?: { (...args: any[]): any; };
+    required?: boolean;
+    default?: any;
+    twoWay?: boolean;
+    validator?: (value: any) => boolean;
+    coerce?: (value: any) => any;
+}
+
+export interface WatchOption {
+    handler(val: any, oldVal: any): void;
+    deep?: boolean;
+    immidiate?: boolean;
+}
+
+export interface DirectiveOption {
+    bind?(): any;
+    update?(newVal?: any, oldVal?: any): any;
+    unbind?(): any;
+    params?: string[];
+    deep?: boolean;
+    twoWay?: boolean;
+    acceptStatement?: boolean;
+    priority?: boolean;
+    [key: string]: any;
+}
+
+export interface FilterOption {
+    read?: Function;
+    write?: Function;
+}
+
+export interface TransitionOption {
+    css?: boolean;
+    beforeEnter?(el: HTMLElement): void;
+    enter?(el: HTMLElement, done?: () => void): void;
+    afterEnter?(el: HTMLElement): void;
+    enterCancelled?(el: HTMLElement): void;
+    beforeLeave?(el: HTMLElement): void;
+    leave?(el: HTMLElement, done?: () => void): void;
+    afterLeave?(el: HTMLElement): void;
+    leaveCancelled?(el: HTMLElement): void;
+    stagger?(index: number): number;
+}
+
+export interface ComponentOption {
+    props?: string[] | { [key: string]: (PropOption | { new (...args: any[]): any; }) };
+    watch?: { [key: string]: ((val: any, oldVal: any) => void) | string | WatchOption };
+    template?: string;
+    directives?: { [key: string]: (DirectiveOption | Function) };
+    elementDirectives?: { [key: string]: (DirectiveOption | Function) };
+    filters?: { [key: string]: (Function | FilterOption) };
+    components?: { [key: string]: any };
+    transitions?: { [key: string]: TransitionOption };
+    partials?: { [key: string]: string };
+    parent?: any;
+    events?: { [key: string]: ((...args: any[]) => (boolean | void)) | string };
+    mixins?: ComponentOption[];
+    name?: string;
+    [key: string]: any;
+}
+
+declare var decorator: (options: ComponentOption) => ClassDecorator;
+
+export default decorator;

index.js

@@ -1,3 +1,7 @@
+Object.defineProperty(exports, '__esModule', {
+  value: true
+})
+
 var Vue = require('vue')
 
 var internalHooks = [
@@ -60,4 +64,4 @@ function decorator (options) {
   }
 }
 
-module.exports = decorator
+exports.default = decorator

tsconfig.json

@@ -0,0 +1,25 @@
+{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "moduleResolution": "node",
+        "isolatedModules": false,
+        "jsx": "react",
+        "experimentalDecorators": true,
+        "emitDecoratorMetadata": true,
+        "declaration": true,
+        "noImplicitAny": true,
+        "removeComments": true,
+        "noLib": false,
+        "preserveConstEnums": true,
+        "suppressImplicitAnyIndexErrors": true
+    },
+    "exclude": [
+      "node_modules"
+    ],
+    "compileOnSave": false,
+    "buildOnSave": false,
+    "atom": {
+        "rewriteTsconfig": false
+    }
+}