This library allows you to iterate over Json from a string or an array.
Uses JsonPath to identify which nodes should be iterated upon.
JSONPath
Result
$.store.books[\*].authorthe authors of all books in the store
$..authorall authors
$.store..pricethe price of everything in the store.
$..books[2]the third book
$..books[(@.length-1)]the last book in order.
$..books[0,1]the first two books
$..books[:2]the first two books
$..books[?(@.isbn)]filter all books with isbn number
$..books[?(@.price<10)]filter all books cheapier than 10
$..*all elements in the data (recursively extracted)
Symbol
Description
$The root object/element (not strictly necessary)
@The current object/element
. or []
Child operator
..Recursive descent
*Wildcard. All child elements regardless their index.
[,]Array indices as a set
[start:end:step]Array slice operator borrowed from ES4/Python.
?()Filters a result set by a script expression
()Uses the result of a script expression as the index
