{"version":3,"file":"rdfUtils.mjs","names":["createQuad","quad"],"sources":["../../src/util/rdfUtils.ts"],"sourcesContent":["import type { LdoDataset } from \"@ldo/ldo\";\nimport { parseRdf } from \"@ldo/ldo\";\nimport { namedNode, quad as createQuad } from \"@ldo/rdf-utils\";\nimport type { Dataset } from \"@rdfjs/types\";\nimport type { SolidContainerUri } from \"../types\";\nimport { isSolidContainerUri } from \"./isSolidUri\";\n\nexport const ldpContains = namedNode(\"http://www.w3.org/ns/ldp#contains\");\nexport const rdfType = namedNode(\n \"http://www.w3.org/1999/02/22-rdf-syntax-ns#type\",\n);\nexport const ldpResource = namedNode(\"http://www.w3.org/ns/ldp#Resource\");\nexport const ldpContainer = namedNode(\"http://www.w3.org/ns/ldp#Container\");\nexport const ldpBasicContainer = namedNode(\n \"http://www.w3.org/ns/ldp#BasicContainer\",\n);\n\n/**\n * @internal\n * Gets the URI of a parent according the the Solid Spec\n *\n * @param uri - the child URI\n * @returns A parent URI or undefined if not possible\n */\nexport function getParentUri(uri: string): SolidContainerUri | undefined {\n const urlObject = new URL(uri);\n const pathItems = urlObject.pathname.split(\"/\");\n if (\n pathItems.length < 2 ||\n (pathItems.length === 2 && pathItems[1].length === 0)\n ) {\n return undefined;\n }\n if (pathItems[pathItems.length - 1] === \"\") {\n pathItems.pop();\n }\n pathItems.pop();\n urlObject.pathname = `${pathItems.join(\"/\")}/`;\n return urlObject.toString() as SolidContainerUri;\n}\n\n/**\n * @internal\n * Gets the slug (last part of the path) for a given URI\n *\n * @param uri - the full URI\n * @returns the slug of the URI\n */\nexport function getSlug(uri: string): string {\n const urlObject = new URL(uri);\n const pathItems = urlObject.pathname.split(\"/\");\n return pathItems[pathItems.length - 1] || pathItems[pathItems.length - 2];\n}\n\n/**\n * @internal\n * Deletes mention of a resource from the provided dataset\n *\n * @param resourceUri - the resource to delete\n * @param dataset - dataset to modify\n */\nexport function deleteResourceRdfFromContainer(\n resourceUri: string,\n dataset: Dataset,\n) {\n const parentUri = getParentUri(resourceUri);\n if (parentUri) {\n const parentNode = namedNode(parentUri);\n const resourceNode = namedNode(resourceUri);\n dataset.delete(\n createQuad(parentNode, ldpContains, resourceNode, parentNode),\n );\n dataset.deleteMatches(resourceNode, undefined, undefined, parentNode);\n }\n}\n\n/**\n * @internal\n * Adds a resource to a container in an RDF dataset\n *\n * @param resourceUri - the resource to add\n * @param dataset - the dataset to modify\n */\nexport function addResourceRdfToContainer(\n resourceUri: string,\n dataset: Dataset,\n) {\n const parentUri = getParentUri(resourceUri);\n if (parentUri) {\n const parentNode = namedNode(parentUri);\n const resourceNode = namedNode(resourceUri);\n dataset.add(createQuad(parentNode, ldpContains, resourceNode, parentNode));\n dataset.add(createQuad(resourceNode, rdfType, ldpResource, parentNode));\n if (isSolidContainerUri(resourceUri)) {\n dataset.add(\n createQuad(resourceNode, rdfType, ldpBasicContainer, parentNode),\n );\n dataset.add(createQuad(resourceNode, rdfType, ldpContainer, parentNode));\n }\n addResourceRdfToContainer(parentUri, dataset);\n }\n}\n\n/**\n * @internal\n * Adds raw turtle to the provided dataset\n * @param rawTurtle - String of raw turtle\n * @param dataset - the dataset to modify\n * @param baseUri - base URI to parsing turtle\n * @returns Undefined if successful, noncompliantPodError if not\n */\nexport async function addRawTurtleToDataset(\n rawTurtle: string,\n dataset: Dataset,\n baseUri: string,\n): Promise {\n const rawTurtleResult = await rawTurtleToDataset(rawTurtle, baseUri);\n if (rawTurtleResult instanceof Error) return rawTurtleResult;\n const loadedDataset = rawTurtleResult;\n const graphNode = namedNode(baseUri);\n // Destroy all triples that were once a part of this resouce\n dataset.deleteMatches(undefined, undefined, undefined, graphNode);\n // Add the triples from the fetched item\n dataset.addAll(\n loadedDataset.map((quad) =>\n createQuad(quad.subject, quad.predicate, quad.object, graphNode),\n ),\n );\n}\n\n/**\n * @internal\n * Creates a dataset from raw turtle string\n * @param rawTurtle - the Raw turtle string\n * @param baseUri - A base url for relative uris\n * @returns LdoDataset or Error\n */\nexport async function rawTurtleToDataset(\n rawTurtle: string,\n baseUri: string,\n): Promise {\n try {\n const loadedDataset = await parseRdf(rawTurtle, {\n baseIRI: baseUri,\n });\n return loadedDataset;\n } catch (err) {\n const message = err instanceof Error ? 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