{ "generatedAt": "2026-08-14T01:43:27.384Z", "node": "v26.3.1", "v8": "14.6.202.34-node.20", "platform": "darwin arm64", "cases": [ { "id": "intro-single-quote-value", "label": "冒頭例: オブジェクト値がシングルクォート", "threw": true, "message": "Unexpected token ''', ...\" \"city\": 'Tokyo'\n}\" is not valid JSON" }, { "id": "trailing-comma-object", "label": "原因1: オブジェクトの末尾カンマ", "threw": true, "message": "Expected double-quoted property name in JSON at position 53 (line 5 column 1)" }, { "id": "trailing-comma-array", "label": "原因1: 配列の末尾カンマ", "threw": true, "message": "Unexpected token ']', ...\"\", \"blue\",]\n}\" is not valid JSON" }, { "id": "unquoted-keys", "label": "原因3: クォートなしキー", "threw": true, "message": "Expected property name or '}' in JSON at position 4 (line 2 column 3)" }, { "id": "comments", "label": "原因4: コメント", "threw": true, "message": "Expected property name or '}' in JSON at position 4 (line 2 column 3)" }, { "id": "bom", "label": "原因5: BOM 付き JSON", "threw": true, "message": "Unexpected token '', \"{\n \"name\"... is not valid JSON" }, { "id": "undefined-value", "label": "JSON.parse(undefined)", "threw": true, "message": "\"undefined\" is not valid JSON" }, { "id": "object-value", "label": "JSON.parse({ name: \"Alice\" })", "threw": true, "message": "\"[object Object]\" is not valid JSON" }, { "id": "html-response", "label": "HTML エラーページを JSON.parse に渡す", "threw": true, "message": "Unexpected token '<', \"\" is not valid JSON" } ] }