const rdflib = require('rdflib');
// it will be `Error: Missing IRI for NamedNode` if uri is ''
function turtle2jsonld( turtleString, uri = '', store = rdflib.graph()){
return new Promise(resolve=>{
rdflib.parse( turtleString, store, uri, "text/turtle", e => {
if(e) { console.log("Parse Error! "); return resolve(e) }
rdflib.serialize(null,store, uri,'application/ld+json',(e,s)=>{
if(e) { console.log("Serialize Error! "); return resolve(e) }
return resolve(s)
})
})
})
}
const text = `@prefix : <#>.
@prefix m: <>.
@prefix ldp: <http://www.w3.org/ns/ldp#>.
@prefix terms: <http://purl.org/dc/terms/>.
@prefix XML: <http://www.w3.org/2001/XMLSchema#>.
@prefix st: <http://www.w3.org/ns/posix/stat#>.
@prefix tur: <http://www.w3.org/ns/iana/media-types/text/turtle#>.
`
const resultJSONLD = await turtle2jsonld(text);
console.log(resultJSONLD)
const text2 = `@prefix : <#>.
@prefix m: <>.
@prefix ldp: <http://www.w3.org/ns/ldp#>.
@prefix terms: <http://purl.org/dc/terms/>.
@prefix XML: <http://www.w3.org/2001/XMLSchema#>.
@prefix st: <http://www.w3.org/ns/posix/stat#>.
@prefix tur: <http://www.w3.org/ns/iana/media-types/text/turtle#>.
m:
a ldp:BasicContainer, ldp:Container;
terms:modified "2019-12-24T03:53:21Z"^^XML:dateTime;
ldp:contains
<%2524%253A%252FStoryList>, <%2524%253A%252FStoryList.metadata>,
<Draft%2520of%2520'New%2520Tiddler'%2520by%2520https%253A%252F%252Flinonetwo.solid.authing.cn%252Fprofile%252Fcard%2523me.metadata>,
m:Test, <Test.metadata>, m:Test123, <Test123.metadata>;
st:mtime 1577159601.427;
st:size 4096.
<%2524%253A%252FStoryList>
a ldp:Resource;
terms:modified "2019-12-24T03:45:21Z"^^XML:dateTime;
st:mtime 1577159121.851;
st:size 0.
<%2524%253A%252FStoryList.metadata>
a tur:Resource, ldp:Resource;
terms:modified "2019-12-24T03:53:21Z"^^XML:dateTime;
st:mtime 1577159601.427;
st:size 553.
<Draft%2520of%2520'New%2520Tiddler'%2520by%2520https%253A%252F%252Flinonetwo.solid.authing.cn%252Fprofile%252Fcard%2523me.metadata>
a tur:Resource, ldp:Resource;
terms:modified "2019-12-23T16:33:02Z"^^XML:dateTime;
st:mtime 1577118782.611;
st:size 974.
m:Test
a ldp:Resource;
terms:modified "2019-12-23T16:24:47Z"^^XML:dateTime;
st:mtime 1577118287.375;
st:size 3.
<Test.metadata>
a tur:Resource, ldp:Resource;
terms:modified "2019-12-23T16:24:46Z"^^XML:dateTime;
st:mtime 1577118286.731;
st:size 786.
m:Test123
a ldp:Resource;
terms:modified "2019-12-23T16:33:09Z"^^XML:dateTime;
st:mtime 1577118789.463;
st:size 7.
<Test123.metadata>
a tur:Resource, ldp:Resource;
terms:modified "2019-12-23T16:33:08Z"^^XML:dateTime;
st:mtime 1577118788.643;
st:size 792.`
const resultJSONLD = await turtle2jsonld(text2, 'https://linonetwo.solid.authing.cn/public/tiddlywiki/main');
console.log(resultJSONLD)
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