都道府県を地方ごとに配列を組みかえてみた - Qiita

[ { "title": "タイトル１", "parent_category": "architecture", "category_slug": "production", "address": "北海道", }, { "title": "タイトル２", "parent_category": "civil", "category_slug": "train", "address": "北海道", }, { "title": "タイトル3", "parent_category": "civil", "category_slug": "architecture", "address": "北海道", }, { "title": "タイトル4", "parent_category": "car", "category_slug": "bus", "address": "広島県", } {~}

[rockenota]

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