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MUI Tyoescript

Posted at

Typescriptの組み込み方

Record<>

<Partial>
を挟むと、全て?をつけたことと同じ(オプショナル)になる

Object.keys.length
オブジェクトのキーの値が入っているかどうかの確認できる

try catch

tryでエラーが起きたらキャッチでエラーを出す
  

.catch((e)=>{
}

try catch バックエンド側でのエラーをキャッチする必要あり
基本的にデータ取得時はすべて行うとベスト

MUI
snackbar アラートの代わりに良い

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