chartlet 0.18.0

Compile structured data into deterministic, accessible static charts
Documentation 
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{
  "schemaVersion": 1,
  "type": "classes",
  "title": "Shop database",
  "source": "Illustrative schema",
  "width": 820,
  "height": 520,
  "classes": {
    "classes": [
      { "id": "customers", "label": "customers", "kind": "entity", "attributes": ["id (PK)", "email", "created_at"] },
      { "id": "orders", "label": "orders", "kind": "entity", "attributes": ["id (PK)", "customer_id (FK)", "placed_at", "status"] },
      { "id": "items", "label": "order_items", "kind": "entity", "attributes": ["order_id (PK, FK)", "product_id (PK, FK)", "quantity"] },
      { "id": "products", "label": "products", "kind": "entity", "attributes": ["id (PK)", "sku", "name", "price"] }
    ],
    "relations": [
      { "from": "customers", "to": "orders", "fromCardinality": "1", "toCardinality": "0..*" },
      { "from": "orders", "to": "items", "fromCardinality": "1", "toCardinality": "1..*" },
      { "from": "products", "to": "items", "fromCardinality": "1", "toCardinality": "0..*" }
    ]
  }
}