jsonpath-ro

0.0.1 • Public • Published

Install

npm install jsonpath-ro

Evaluate

var jsonpath = require('jsonpath-ro');
jsonpath.eval(obj, path);

Or more concisely:

var jsonpath = require('jsonpath-ro').eval;
jsonpath(obj, path);

Examples

Given the following JSON, taken from http://goessner.net/articles/JsonPath/ :

{ "store": {
    "book": [ 
      { "category": "reference",
        "author": "Nigel Rees",
        "title": "Sayings of the Century",
        "price": 8.95
      },
      { "category": "fiction",
        "author": "Evelyn Waugh",
        "title": "Sword of Honour",
        "price": 12.99
      },
      { "category": "fiction",
        "author": "Herman Melville",
        "title": "Moby Dick",
        "isbn": "0-553-21311-3",
        "price": 8.99
      },
      { "category": "fiction",
        "author": "J. R. R. Tolkien",
        "title": "The Lord of the Rings",
        "isbn": "0-395-19395-8",
        "price": 22.99
      }
    ],
    "bicycle": {
      "color": "red",
      "price": 19.95
    }
  }
}
XPath JSONPath Result
/store/book/author $.store.book[*].author the authors of all books in the store
//author $..author all authors
/store/* $.store.* all things in store, which are some books and a red bicycle.
/store//price $.store..price the price of everything in the store.
//book[3] $..book[2] the third book
//book[last()] $..book[(@.length-1)] the last book in order.
                | $..book[-1:]           |

//book[position()<3]| $..book[0,1] | the first two books | $..book[:2] | //book[isbn] | $..book[?(@.isbn)] | filter all books with isbn number //book[price<10] | $..book[?(@.price<10)] | filter all books cheapier than 10 //* | $..* |all Elements in XML document. All members of JSON structure.

See http://www.opensource.org/licenses/mit-license.php for license.

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Install

npm i jsonpath-ro

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Version

0.0.1

License

MIT

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  • robin-cloud