microdata-rdf-streaming-parser/lib/propertyhandler/ItemPropertyHandlerNumber.js

A fast and lightweight streaming Microdata to RDF parser

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ItemPropertyHandlerNumber = void 0;
const Util_1 = require("../Util");
/**
 * Handler for an item property with a number attribute.
 */
class ItemPropertyHandlerNumber {
    constructor(tagName, attributeName) {
        this.tagName = tagName;
        this.attributeName = attributeName;
    }
    canHandle(tagName, attributes) {
        return this.tagName === tagName && this.attributeName in attributes;
    }
    getObject(attributes, util, itemScope) {
        const value = attributes[this.attributeName];
        let datatype;
        if (!Number.isNaN(Number.parseInt(value, 10)) && !value.includes('.')) {
            datatype = `${Util_1.Util.XSD}integer`;
        }
        else if (!Number.isNaN(Number.parseFloat(value))) {
            datatype = `${Util_1.Util.XSD}double`;
        }
        return util.dataFactory.literal(value, datatype && util.dataFactory.namedNode(datatype));
    }
}
exports.ItemPropertyHandlerNumber = ItemPropertyHandlerNumber;
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