bandcamp-fetch/dist/cjs/lib/image/ImageParser.js

Scrape Bandcamp content

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const cheerio_1 = require("cheerio");
const html_entities_1 = require("html-entities");
const Parse_js_1 = require("../utils/Parse.js");
class ImageParser {
    static parseImageConstants(html) {
        const $ = (0, cheerio_1.load)(html);
        const vars = (0, html_entities_1.decode)($('script[data-vars]').attr('data-vars'));
        let parsed;
        try {
            parsed = JSON.parse(vars);
        }
        catch (error) {
            throw new Parse_js_1.ParseError('Failed to parse image constants: JSON error.', vars, error);
        }
        if (parsed?.client_template_globals) {
            const formats = parsed.client_template_globals.image_formats;
            return {
                baseUrl: parsed.client_template_globals.image_siteroot_https,
                formats: formats?.map((format) => ({
                    id: format.id,
                    name: format.name,
                    width: format.width,
                    height: format.height,
                    fileFormat: format.file_format
                }))
            };
        }
        throw new Parse_js_1.ParseError('Failed to parse image constants: data is missing \'client_template_globals\' field.', parsed);
    }
}
exports.default = ImageParser;
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