b3_insigths/dist/scrapers/SelicScraper.js

A brazillian stock exchange CLI

import { load } from "cheerio";
import FixedIncomeScraperBase from "./FixedIncomeScraperBase.js";
export default class SelicScraper extends FixedIncomeScraperBase {
    constructor() {
        super();
        this.URL = "https://www.bcb.gov.br/controleinflacao/historicotaxasjuros";
    }
    async getValue() {
        const html = await this.getPageHTML("#historicotaxasjuros > tbody > tr");
        const $ = load(html);
        const table = $("#historicotaxasjuros");
        const firstRow = table.find("tbody > tr").first();
        const value = $(firstRow.children()[4]).text();
        const formattedValue = Number(value.replace(",", ".")).toFixed(2);
        return `${formattedValue}%`;
    }
}
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