lib/node/node_modules/nan/doc/json.md (c972b0c) - wirc-backend.git

json.md

## JSON

The _JSON_ object provides the C++ versions of the methods offered by the `JSON` object in javascript. V8 exposes these methods via the `v8::JSON` object.

- <a href="#api_nan_json_parse"><b><code>Nan::JSON.Parse</code></b></a>
 - <a href="#api_nan_json_stringify"><b><code>Nan::JSON.Stringify</code></b></a>

Refer to the V8 JSON object in the [V8 documentation](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html) for more information about these methods and their arguments.

### Nan::JSON.Parse

A simple wrapper around [`v8::JSON::Parse`](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html#a936310d2540fb630ed37d3ee3ffe4504).

Definition:

```c++
Nan::MaybeLocal<v8::Value> Nan::JSON::Parse(v8::Local<v8::String> json_string);
```

Use `JSON.Parse(json_string)` to parse a string into a `v8::Value`.

Example:

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

Nan::JSON NanJSON;
Nan::MaybeLocal<v8::Value> result = NanJSON.Parse(json_string);
if (!result.IsEmpty()) {
  v8::Local<v8::Value> val = result.ToLocalChecked();
}
```

### Nan::JSON.Stringify

A simple wrapper around [`v8::JSON::Stringify`](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html#a44b255c3531489ce43f6110209138860).

Definition:

```c++
Nan::MaybeLocal<v8::String> Nan::JSON::Stringify(v8::Local<v8::Object> json_object, v8::Local<v8::String> gap = v8::Local<v8::String>());
```

Use `JSON.Stringify(value)` to stringify a `v8::Object`.

Example:

```c++
// using `v8::Local<v8::Value> val` from the `JSON::Parse` example
v8::Local<v8::Object> obj = Nan::To<v8::Object>(val).ToLocalChecked();

Nan::JSON NanJSON;
Nan::MaybeLocal<v8::String> result = NanJSON.Stringify(obj);
if (!result.IsEmpty()) {
  v8::Local<v8::String> stringified = result.ToLocalChecked();
}
```

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