shcemizeという、JSONからJSON Schemaを生成する便利なGemがある。 schemizeを使うためだけにGemfileを書くのが嫌だったので、node-schemizeを作った。 // とりあえずグローバルにインストール $ npm install -g schemize // デフォルト $ echo '{ "key": "value" }' | schemize {"type":"object","properties":{"key":{"type":"string"}}} // プリチー $ echo '{ "key": "value" }' | schemize --pretty { "type": "object", "properties": { "key": { "type": "string" } } } // プリチーはインデント数と"tab"が指定可能
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