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VSCode の Code Runner で Jest のテストを実行する

Last updated at Posted at 2022-10-13

調べると Jest というそのものズバリな拡張が存在するが、
Code Runner ユーザーであれば ↑ を入れる必要はなく、下記の設定を書くだけで良い。

settings.json
"code-runner.executorMapByGlob": {
    "*.test.ts" : "npx jest $fullFileName",
    "*.spec.ts" : "npx jest $fullFileName",
    "*.test.js" : "npx jest $fullFileName",
    "*.spec.js" : "npx jest $fullFileName"
}

余談だが、デフォルトの出力は色がつかず Jest の結果が見づらいので、出力をターミナルに指定しておくと色がついて見やすい。

settings.json
"code-runner.runInTerminal": true,
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