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tscコマンドを使わずに.tsファイルを実行する

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結論

これまでtscコマンドでコンパイルしてから実行していた

$ tsc
$ node ./dist/example.js

以下のように、1回のコマンドで実行出来る

$ npx ts-node ./src/example.ts

必要な準備

前提

npm5.2.0以上が必要

$ npm --version
5.6.0

ts-nodeをインストール

$ npm install typescript
$ npm install ts-node

1コマンドで実行出来るようになる

$ npx ts-node ./src/example.ts

参考記事

https://qiita.com/tonkotsuboy_com/items/8227f5993769c3df533d
https://employment.en-japan.com/engineerhub/entry/2019/04/16/103000

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