jsonata
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JSON query and transformation language
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# JSONata
JSON query and transformation language
Reference implementation of the [JSONata query and transformation language](http://jsonata.org/).
* [JSONata in 5 minutes](https://www.youtube.com/embed/ZBaK40rtIBM)
* [JSONata language documentation](http://docs.jsonata.org/)
* [Try it out!](http://try.jsonata.org/)
## Installation
- `npm install jsonata`
## Quick start
In Node.js:
```javascript
const jsonata = require('jsonata');
const data = {
example: [
{value: 4},
{value: 7},
{value: 13}
]
};
(async () => {
const expression = jsonata('$sum(example.value)');
const result = await expression.evaluate(data); // returns 24
})()
```
In a browser:
```html
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JSONata test</title>
<script src="https://cdn.jsdelivr.net/npm/jsonata/jsonata.min.js"></script>
<script>
async function greeting() {
var json = JSON.parse(document.getElementById('json').value);
var result = await jsonata('"Hello, " & name').evaluate(json);
document.getElementById('greeting').innerHTML = result;
}
</script>
</head>
<body>
<textarea id="json">{ "name": "Wilbur" }</textarea>
<button onclick="greeting()">Click me</button>
<p id="greeting"></p>
</body>
</html>
```
## More information
- JSONata [documentation](http://docs.jsonata.org/)
- [JavaScript API](http://docs.jsonata.org/embedding-extending)
- [Intro talk](https://www.youtube.com/watch?v=TDWf6R8aqDo) at London Node User Group
## Contributing
See the [CONTRIBUTING.md](CONTRIBUTING.md) for details of how to contribute to this repo.