quadstore/dist/utils/constants.js

Quadstore is a LevelDB-backed RDF graph database / triplestore for JavaScript runtimes (browsers, Node.js, Deno, Bun, ...) that implements the RDF/JS interfaces and supports SPARQL queries and querying across named graphs.

export const emptyObject = {};
export const boundary = '\uDBFF\uDFFF';
export const separator = '\u0000\u0000';
export const termNames = [
    'subject',
    'predicate',
    'object',
    'graph',
];
export const defaultIndexes = [
    ['subject', 'predicate', 'object', 'graph'],
    ['object', 'graph', 'subject', 'predicate'],
    ['graph', 'subject', 'predicate', 'object'],
    ['subject', 'object', 'predicate', 'graph'],
    ['predicate', 'object', 'graph', 'subject'],
    ['graph', 'predicate', 'object', 'subject'],
];
export const levelPutOpts = {
    keyEncoding: 'utf8',
    valueEncoding: 'view',
};
export const levelDelOpts = {
    keyEncoding: 'utf8',
};
export const emptyValue = new Uint8Array(0);
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