diff --git a/.npmignore b/.npmignore
index d27d599..aa3176b 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,3 +1,5 @@
__tests__
examples
-.prettierrc
\ No newline at end of file
+.prettierrc
+tsconfig.json
+babel.config.js
\ No newline at end of file
diff --git a/__tests__/index.js b/__tests__/index.ts
similarity index 76%
rename from __tests__/index.js
rename to __tests__/index.ts
index 775eef0..35f3cb0 100644
--- a/__tests__/index.js
+++ b/__tests__/index.ts
@@ -1,13 +1,16 @@
-const spawn = require('cross-spawn')
-const path = require('path')
-const fs = require('fs')
-const puppeteer = require('puppeteer')
-const handler = require('serve-handler')
-const http = require('http')
-const rmfr = require('rmfr')
-const renderToString = require('../render-to-string')
-const React = require('react')
-const { paragraphCustomAlerts } = require('@hashicorp/remark-plugins')
+import { Server } from 'http'
+import { Browser } from 'puppeteer'
+
+import spawn from 'cross-spawn'
+import path from 'path'
+import fs from 'fs'
+import puppeteer from 'puppeteer'
+import handler from 'serve-handler'
+import http from 'http'
+import rmfr from 'rmfr'
+import renderToString from '../render-to-string'
+import React from 'react'
+import { paragraphCustomAlerts } from '@hashicorp/remark-plugins'
jest.setTimeout(30000)
@@ -20,27 +23,26 @@ test('rehydrates correctly in browser', () => {
'foo
Headline
hello jeff
Some markdown content