@frogcat/ttl2jsonld

Turtle to JSON-LD converter for node.js and browser, no library dependencies.

Demo

Online demo is available here.
With this converter, you can obtain Output JSON-LD from Input Turtle, as shown in JSON-LD 1.0 Specification .

Input Turtle

```example66.ttl @prefix foaf: .
a foaf:Person; foaf:name "Manu Sporny"; foaf:homepage .

### Output JSON-LD

```exampl67.json
{
  "@context": {
    "foaf": "http://xmlns.com/foaf/0.1/"
  },
  "@id": "http://manu.sporny.org/about#manu",
  "@type": "foaf:Person",
  "foaf:name": "Manu Sporny",
  "foaf:homepage": { "@id": "http://manu.sporny.org/" }
}

Install

node.js

```a.sh $ npm install @frogcat/ttl2jsonld

### browser

```a.html
<script src="https://frogcat.github.io/ttl2jsonld/ttl2jsonld.js"></script>

Usage

node.js

You can write your own code.
```example.js const ttl2jsonld = require('@frogcat/ttl2jsonld').parse;
const ttl = `@prefix foaf: .
a foaf:Person; foaf:name "Manu Sporny"; foaf:homepage . `;
const jsonld = ttl2jsonld(ttl);
console.log(JSON.stringify(jsonld,null,2));

Command line interface is also available.

```cli.sh
$ npm install @frogcat/ttl2jsonld
$ ttl2jsonld {input_turtle} > {output_jsonld}
or
$ cat {input_turtle} | ttl2jsonld > {output_jsonld}

browser

This converter is exported to ttl2jsonld global object. Call ttl2jsonld.parse(ttl) to perform conversion.
```example.html

## API

Given `turtle_string`, `ttl2jsonld.parse` returns JSON Object.

```a.js
var json_object = ttl2jsonld.parse(turtle_string);

When you want to pass baseIRI, give second argument like this.
```a.js var jsonobject = ttl2jsonld.parse(turtlestring, { baseIRI : "http://example.org/"
}); ```

For developers

building

• Build with PEG.js.
• Main code is spec/ttl2jsonld.pegjs.
• When you edit code, run npm run build to generate ttl2jsonld.js.

testing

• Tested with rdf-test-suite.
• Currently 294 / 298 tests succeeded.
• Run npm run spec-turtle to start rdr-test-suite.
• Other miscellaneous tests are located in test/test.js, npm run test to run.