native-json

This project has been merged into NAN and is now deprecated. Use Nan::JSON from NAN v2.6.2 or later. See Nan::JSON

native-json

Access the v8::JSON object methods Parse & Stringify from native c++ addons across all versions of node.js

native-json is a header package for building c++ native addons for node.js that is meant to complement nan by adding an interface to the v8::JSON object's Parse and Stringify methods that can be relied upon regardless of the version of node.js that the addon is being built against.

Usage

Simply add nan and native-json as dependencies in the package.json of your Node addon:

$ npm install --save nan
$ npm install --save native-json

Pull in the paths to nan and native-json in your binding.gyp so that you can use #include <native-json.h> in your .cpp files:

"include_dirs" : [
    "<!(node -e \"require('nan')\")",
    "<!(node -e \"require('native-json')\")"
]

This works like a -I<path-to-native-json> when compiling your addon.

API

Nan::MaybeLocal<v8::Value> Parse(v8::Local<v8::String> jsonString);

Nan::MaybeLocal<v8::String> Stringify(v8::Local<v8::Object> jsonObject);
Nan::MaybeLocal<v8::String> Stringify(v8::Local<v8::Object> jsonObject, v8::Local<v8::String> gap);

To access the javascript function JSON.parse() from your c++ code, call Native::JSON::Parse() where you would normally call v8::JSON::Parse(), which would otherwise not be available in versions of node.js older than 0.12.x

v8::Local<v8::String> jsonString =
  Nan::New("{ \"JSON\": \"object\" }").ToLocalChecked();

v8::Local<v8::Value> parsedValue =
  Native::JSON::Parse(jsonString).ToLocalChecked();

To access the javascript function JSON.stringify() from your c++ code, call Native::JSON::Stringify() where you would normally call v8::JSON::Stringify(), which would otherwise not be available in versions of node.js older than 7.x

v8::Local<v8::Object> object = Nan::To<v8::Object>(parsedValue);

v8::Local<v8::String> stringified =
  Native::JSON::Stringify(object).ToLocalChecked();

Tests

To run the native-json tests do:

npm install
npm run-script rebuild-tests
npm test

Or just:

npm install
make test

Licence & copyright

Copyright (c) 2017 Michael Ira Krufky

native-json is licensed under an MIT license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.