converted type declaration to module (#183)

package.json

@@ -3,6 +3,7 @@
     "version": "0.20.0",
     "description": "Code Contracts for TypeScript and ECMAScript classes",
     "main": "dist/index.js",
+    "types": "dist/index.d.ts",
     "scripts": {
         "prebuild": "npm run clean && npm run lint",
         "build": "webpack",

src/Contracted.ts

@@ -5,7 +5,7 @@
  * @see <https://spdx.org/licenses/AGPL-3.0-only.html>
  */
 
-import { ClassRegistration, CLASS_REGISTRY, Feature, takeWhile, assertInvariants } from './lib';
+import { ClassRegistration, CLASS_REGISTRY, Constructor, Feature, takeWhile, assertInvariants } from './lib';
 import { assert, checkedMode, Contract } from './';
 import { MSG_NO_PROPERTIES, MSG_SINGLE_CONTRACT } from './Messages';
 

src/assert.ts

@@ -7,6 +7,7 @@
 
 import AssertionError from './AssertionError';
 import { ASSERTION_FAILED } from './Messages';
+import { Constructor } from './lib';
 
 /**
  * An assertion is an expression of a property that must be true at a particular

src/lib/CLASS_REGISTRY.ts

@@ -5,7 +5,7 @@
  * @see <https://spdx.org/licenses/AGPL-3.0-only.html>
  */
 
-import ClassRegistration from './ClassRegistration';
+import {ClassRegistration, Constructor} from './';
 
 /**
  * A WeakMap that tracks class registrations.

src/lib/ClassRegistration.ts

@@ -7,7 +7,7 @@
 
 import { MSG_SINGLE_RETRY } from '../Messages';
 import { assert, checkedMode, Contract } from '../';
-import { assertInvariants, assertDemands, CLASS_REGISTRY, Feature, unChecked } from './';
+import { assertInvariants, assertDemands, CLASS_REGISTRY, Constructor, Feature, unChecked } from './';
 import assertEnsures from './assertEnsures';
 
 /**

src/lib/Constructor.d.ts → src/lib/Constructor.ts

@@ -5,7 +5,7 @@
  * @see <https://spdx.org/licenses/AGPL-3.0-only.html>
  */
 
- /**
+/**
  * Constructs a type representing a constructor
  */
-type Constructor<T> = new(...args: any[]) => T;
+export type Constructor<T> = new(...args: any[]) => T;

src/lib/index.ts

@@ -10,6 +10,7 @@ import assertEnsures from './assertEnsures';
 import assertInvariants from './assertInvariants';
 import CLASS_REGISTRY from './CLASS_REGISTRY';
 import ClassRegistration from './ClassRegistration';
+import {Constructor} from './Constructor';
 import deepFreeze from './deepFreeze';
 import Feature from './Feature';
 import takeWhile from './takeWhile';
@@ -23,6 +24,7 @@ export {
     assertInvariants,
     CLASS_REGISTRY,
     ClassRegistration,
+    Constructor,
     deepFreeze,
     Feature,
     fnTrue,