b3_insigths/dist/scrapers/VariableIncomeScraper.js

A brazillian stock exchange CLI

import { load } from "cheerio";
export default class VariableIncomeScraper {
    BASE_URL = "https://statusinvest.com.br";
    typePath;
    constructor(type) {
        switch (type) {
            case "stock":
                this.typePath = "/acoes";
                break;
            case "reit":
                this.typePath = "/fundos-imobiliarios";
                break;
            case "index":
                this.typePath = "/indices";
                break;
        }
    }
    async getPageHTML(option) {
        const headers = new Headers({
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0"
        });
        const response = await fetch(`${this.BASE_URL}${this.typePath}/${option}`, { headers });
        const html = await response.text();
        return html;
    }
    async getValue(option) {
        const html = await this.getPageHTML(option);
        const $ = load(html);
        if (this.isNotFoundPage($)) {
            this.handleNotFoundPage();
        }
        const price = $(".value", ".special").text();
        return `R$${price}`;
    }
    isNotFoundPage($) {
        const notFoundBear = $(".mascote", "");
        return notFoundBear.length > 0;
    }
    handleNotFoundPage() {
        console.log("Ativo não encontrado.");
        process.exit(0);
    }
}
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