rfc_6902

Description:

rfc 6902

RFC 6902 JSON Patch #
JSON Patch (RFC 6902) implementation in Dart.
Building and encoding to JSON #
import 'dart:convert';

import 'package:rfc_6902/rfc_6902.dart';

void main() {
final patch = JsonPatch.build([
Test(JsonPointer('/a/b/c'), 'foo'),
Remove(JsonPointer('/a/b/c')),
Add(JsonPointer('/a/b/c'), ['foo', 'bar']),
Replace(JsonPointer('/a/b/c'), 42),
Move(JsonPointer('/a/b/c'), JsonPointer('/a/b/d')),
Copy(JsonPointer('/a/b/d'), JsonPointer('/a/b/e')),
]);
print(jsonEncode(patch));
}
copied to clipboard
produces
[
{"op":"test","path":"/a/b/c","value":"foo"},
{"op":"remove","path":"/a/b/c"},
{"op":"add","path":"/a/b/c","value":["foo","bar"]},
{"op":"replace","path":"/a/b/c","value":42},
{"op":"move","from":"/a/b/c","path":"/a/b/d"},
{"op":"copy","from":"/a/b/d","path":"/a/b/e"}
]
copied to clipboard
Parsing JSON and applying to the document #
import 'dart:convert';

import 'package:rfc_6902/rfc_6902.dart';

void main() {
const document = {
'a': {
'b': {'c': 'foo'}
}
};
const json = '''
[
{ "op": "test", "path": "/a/b/c", "value": "foo" },
{ "op": "remove", "path": "/a/b/c" },
{ "op": "add", "path": "/a/b/c", "value": [ "foo", "bar" ] },
{ "op": "replace", "path": "/a/b/c", "value": 42 },
{ "op": "move", "from": "/a/b/c", "path": "/a/b/d" },
{ "op": "copy", "from": "/a/b/d", "path": "/a/b/e" }
]
''';
final patch = JsonPatch(jsonDecode(json));
final result = patch.applyTo(document);
print(result); // {a: {b: {d: 42, e: 42}}}
}
copied to clipboard