README.md

JSONata

JSON query and transformation language

Reference implementation of the JSONata query and transformation language.

• JSONata in 5 minutes
• JSONata language documentation
• Try it out!

Installation

• go get github.com/siyul-park/jsonata-go

Quick start

package main

import (
  "github.com/siyul-park/jsonata-go"
)

var data = map[string]any{
  "example": []map[string]any{
    {"value": 4},
    {"value": 7},
    {"value": 13},
  },
}

func main() {
    expression := jsonata.MustCompile("$sum(example.value)")
    result, err := expression.Evaluate(data);  // returns 24
}

Benchmark

goos: linux
goarch: amd64
pkg: github.com/siyul-park/jsonata-go
cpu: AMD EPYC 7282 16-Core Processor                
BenchmarkExpression_Compile-4            	     207	   5672824 ns/op	 1533080 B/op	   19941 allocs/op
BenchmarkExpression_Evaluate-4           	    3902	    260193 ns/op	   62461 B/op	     873 allocs/op
BenchmarkExpression_Assign-4             	  822211	      1542 ns/op	     521 B/op	       9 allocs/op
BenchmarkExpression_RegisterFunction-4   	  243468	      4395 ns/op	    1846 B/op	      23 allocs/op
BenchmarkExpression_Ast-4                	   14838	     80954 ns/op	   29617 B/op	     413 allocs/op
PASS
ok  	github.com/siyul-park/jsonata-go	8.251s

More information

• JSONata documentation
• JavaScript API
• Intro talk at London Node User Group