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benjaminaaron/index.mjs

Created January 11, 2025 19:26
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prefixes in rdf.io.dataset.toText
Raw
index.mjs
import rdf from "rdf-ext"
import formatsPretty from "@rdfjs/formats/pretty.js"
rdf.formats.import(formatsPretty)
const person = rdf.namedNode('http://example.org/Person1')
const name = rdf.namedNode('http://schema.org/name')
const ds = rdf.dataset([
rdf.quad(person, name, rdf.literal('John'))
])
const prefixesMap = new Map([
['ex', 'http://example.org/'],
['schema', 'http://schema.org/']
])
let ttl = await rdf.io.dataset.toText('text/turtle', ds, { prefixes: prefixesMap })
console.log(ttl)
const prefixesArr = [
['ex', 'http://example.org/'],
['schema', 'http://schema.org/']
]
ttl = await rdf.io.dataset.toText('text/turtle', ds, { prefixes: prefixesArr })
console.log(ttl)
/*
The result does not have prefixes applied in both cases:
<http://example.org/Person1>
<http://schema.org/name> "John".
*/
Raw
package.json
{
"dependencies": {
"rdf-ext": "^2.5.2"
}
}
@bergos
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bergos commented Jan 11, 2025

This works:

const prefixesArr = [
  ['ex', rdf.namedNode('http://example.org/')],
  ['schema', rdf.namedNode('http://schema.org/')]
]

@benjaminaaron
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benjaminaaron commented Jan 11, 2025

Great, thanks a lot!

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