Configure rollup and typescript to fix declaration file issues

Author: Elias Mulhall

package.json

@@ -3,9 +3,9 @@
   "version": "1.0.1",
   "description": "runtime type checking and validation of untyped JSON data",
   "keywords": ["TypeScript", "JSON"],
-  "main": "dist/json-type-validation.umd.js",
-  "module": "dist/json-type-validation.es5.js",
-  "typings": "dist/types/json-type-validation.d.ts",
+  "main": "dist/index.umd.js",
+  "module": "dist/index.es5.js",
+  "typings": "dist/types/index.d.ts",
   "files": ["dist"],
   "author": "Elias Mulhall <elias@mojotech.com>",
   "repository": {

rollup.config.ts

@@ -1,19 +1,13 @@
 import resolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
 import sourceMaps from 'rollup-plugin-sourcemaps';
-import camelCase from 'lodash.camelcase';
 import typescript from 'rollup-plugin-typescript2';
 
 const pkg = require('./package.json');
 
-const libraryName = 'json-type-validation';
-
 export default {
   input: `src/index.ts`,
-  output: [
-    {file: pkg.main, name: camelCase(libraryName), format: 'umd'},
-    {file: pkg.module, format: 'es'}
-  ],
+  output: [{file: pkg.main, name: 'index', format: 'umd'}, {file: pkg.module, format: 'es'}],
   sourcemap: true,
   // Indicate here external modules you don't wanna include in your bundle (i.e.: 'lodash')
   external: [],
@@ -22,7 +16,9 @@ export default {
   },
   plugins: [
     // Compile TypeScript files
-    typescript(),
+    typescript({
+      useTsconfigDeclarationDir: true
+    }),
     // Allow bundling cjs modules (unlike webpack, rollup doesn't understand cjs)
     commonjs(),
     // Allow node_modules resolution, so you can use 'external' to control