.gitignore    |   1 +
 index.js      | 214 -----------------------
 index.ts      | 197 +++++++++++++++++++++
 package.json  |  15 +-
 tsconfig.json | 103 +++++++++++
 yarn.lock     | 299 +++++++++++++++++++++-----------
 6 files changed, 510 insertions(+), 319 deletions(-)