eyereasoner/dist/n3Writer.temp.js

Distributing the [EYE](https://github.com/eyereasoner/eye) reasoner for browser and node using WebAssembly.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.N3Writer = void 0;
exports.write = write;
const n3_1 = require("n3");
function isQuoted(term, store) {
    return term.termType === 'BlankNode' && store.getQuads(null, null, null, term).length > 0;
}
class N3Writer {
    constructor() {
        this._writer = new n3_1.Writer();
    }
    _encodePredicate(term) {
        if (term.termType === 'NamedNode') {
            switch (term.value) {
                case 'http://www.w3.org/2000/10/swap/log#implies':
                    return '=>';
                case 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type':
                    return 'a';
            }
        }
        return this._writer._encodeIriOrBlank(term);
    }
    _encodeSubject(entity, store) {
        if (isQuoted(entity, store)) {
            return `{${this.quadsStoreToString(store, entity)}}`;
        }
        return this._writer._encodeSubject(entity);
    }
    _encodeObject(entity, store) {
        if (isQuoted(entity, store)) {
            return `{${this.quadsStoreToString(store, entity)}}`;
        }
        return this._writer._encodeObject(entity);
    }
    // ### `quadToString` serializes a quad as a string
    quadToString(t, store) {
        return `${this._encodeSubject(t.subject, store)} ${this._encodePredicate(t.predicate)} ${this._encodeObject(t.object, store)}`;
    }
    // ### `quadsToString` serializes an array of quads as a string
    quadsStoreToString(store, graph = n3_1.DataFactory.defaultGraph()) {
        return store.getQuads(null, null, null, graph)
            .map(t => this.quadToString(t, store))
            .join(' . ') + ' . ';
    }
    quadsToString(quads) {
        return this.quadsStoreToString(new n3_1.Store(quads));
    }
}
exports.N3Writer = N3Writer;
function write(quads) {
    return (new N3Writer).quadsToString(quads);
}