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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 2x 2x 2x 29x 2x 2x 2x 5x 2x 7x 2x 7x 7x 7x 3x 4x | import { namedNode } from "@rdfjs/data-model";
import { Dataset } from "@rdfjs/types";
import {
ArrayProxy,
getProxyFromObject,
GraphType,
ObjectType,
PredicateType,
SubjectProxy,
SubjectType,
_getUnderlyingDataset,
_proxyContext,
} from "jsonld-dataset-proxy";
import { Quad } from "n3";
import { SubscribableDataset, TransactionalDataset } from "o-dataset-pack";
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export type LdoBase = Record<string, any>;
/**
* Converts a node/string into just a node
* @param input A Node or string
* @returns A node
*/
export function normalizeNodeName<
NodeType extends SubjectType | PredicateType | ObjectType | GraphType
>(input: NodeType | string): NodeType {
return (typeof input === "string" ? namedNode(input) : input) as NodeType;
}
/**
* Converts an array of nodes/strings into an array of nodes
* @param inputs An array of nodes/strings
* @returns An array of nodes
*/
export function normalizeNodeNames<
NodeType extends SubjectType | PredicateType | ObjectType | GraphType
>(inputs: (NodeType | string)[]): NodeType[] {
return inputs.map((input) => normalizeNodeName<NodeType>(input));
}
export function canDatasetStartTransaction(
dataset: Dataset
): dataset is SubscribableDataset<Quad> {
return (
typeof (dataset as SubscribableDataset).startTransaction === "function"
);
}
export function isTransactionalDataset(
dataset: Dataset
): dataset is TransactionalDataset<Quad> {
return typeof (dataset as TransactionalDataset).commit === "function";
}
export function getTransactionalDatasetFromLdo(
ldo: LdoBase
): [TransactionalDataset<Quad>, SubjectProxy | ArrayProxy] {
const proxy = getProxyFromObject(ldo);
const dataset = proxy[_getUnderlyingDataset];
if (
!isTransactionalDataset(dataset) ||
!proxy[_proxyContext].state.parentDataset
) {
throw new Error("Object is not currently in a transaction");
}
return [dataset, proxy];
}
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