refactor!: rewrite project in typescript

.github/workflows/CI.yml

@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches: master
+
+  pull_request:
+    branches: master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [10, 12, 14, 16]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+      - run: npm ci
+      - run: npm test
+        if: ${{ matrix.node-version != 16 }}
+      - run: npm run test:coverage
+        if: ${{ matrix.node-version == 16 }}
+      - uses: codecov/codecov-action@v2
+        if: ${{ matrix.node-version == 16 }}

.gitignore

@@ -1,2 +1,4 @@
+.DS_Store
 node_modules
-coverage
+coverage
+dist

README.md

@@ -1,8 +1,8 @@
 # is-regexy [![npm](https://img.shields.io/npm/v/is-regexy)](https://www.npmjs.com/package/is-regexy) [![build](https://img.shields.io/travis/lekterable/is-regexy)](https://travis-ci.com/github/lekterable/is-regexy) [![codecov](https://codecov.io/gh/lekterable/is-regexy/branch/master/graph/badge.svg)](https://codecov.io/gh/lekterable/is-regexy) [![management: perfekt👌](https://img.shields.io/badge/management-perfekt👌-red.svg?style=flat-square)](https://github.com/lekterable/perfekt)
 
-A very simple library for checking if given value (Regex object OR string) could be a valid regular expression.
+A very simple library for checking if a given value (Regex object OR string) is a valid regular expression.
 
-Useful when we want to allow users to pass regex patterns as user input.
+Useful when you want to allow users to pass regex patterns as input.
 
 ## Example
 

jest.config.js

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+/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
+
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node'
+}