A Golang library implementing JSON Patch (rfc6902) with a digression to use path in JSONPath format (https://www.ietf.org/archive/id/draft-ietf-jsonpath-base-08.txt) instead of JSON Pointer (rfc6901).
This lib is a work in progress, for now only replace and remove operations has been implemented.
go get github.com/denouche/go-json-patch-jsonpath
package main
import (
"fmt"
jsonpatch "github.com/denouche/go-json-patch-jsonpath"
)
type People struct {
Name string `json:"name"`
Age int `json:"age"`
Friends []*People `json:"friends"`
}
func NewPeople() *People {
return &People{}
}
func main() {
person := &People{
Name: "Foo",
Age: 42,
Friends: []*People{
{Name: "friend 1", Age: 19},
{Name: "friend 2", Age: 25},
{Name: "friend 3", Age: 42},
},
}
r := jsonpatch.PatchRequests[People]{
Patches: []*jsonpatch.PatchRequest[People]{
{
Operation: "replace",
Path: "$.name",
Value: "Bar",
},
{
Operation: "remove",
Path: "$.friends[?(@.age < 20)]",
},
},
}
patchedPerson, err := r.Apply(person, NewPeople)
if err != nil {
fmt.Printf("error: %s\n", err)
}
fmt.Printf("name:%s age:%d friends:%d\n", person.Name, person.Age, len(person.Friends))
// name:Foo age:42 friends:3
fmt.Printf("name:%s age:%d friends:%d\n", patchedPerson.Name, patchedPerson.Age, len(patchedPerson.Friends))
// name:Bar age:42 friends:2
}JSON Patch: https://www.rfc-editor.org/rfc/rfc6902
JSONPath: