@pvtnbr/pkg-size/dist/pkg-size.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
const path_1 = __importDefault(require("path"));
// @ts-expect-error
const libnpmpack_1 = __importDefault(require("libnpmpack"));
const tar_stream_1 = __importDefault(require("tar-stream"));
const stream_1 = require("stream");
const gunzip_maybe_1 = __importDefault(require("gunzip-maybe"));
const gzip_size_1 = __importDefault(require("gzip-size"));
const brotli_size_1 = require("brotli-size");
const getTarFiles = async (tarball) => new Promise((resolve, reject) => {
    const files = [];
    stream_1.Readable.from(tarball)
        .pipe(gunzip_maybe_1.default())
        .pipe(tar_stream_1.default.extract())
        .on('entry', (header, stream, next) => {
        const file = {
            /*
             * Sanitization from UNPKG:
             * https://github.com/mjackson/unpkg/blob/4774e61d50f76c518d0628cfdf8beede5017455d/modules/actions/serveFileMetadata.js#L23
             */
            path: header.name.replace(/^[^/]+\/?/, '/'),
            mode: header.mode,
            size: header.size,
            sizeGzip: Number.NaN,
            sizeBrotli: Number.NaN,
        };
        files.push(file);
        stream = stream
            .pipe(brotli_size_1.stream())
            .on('brotli-size', sizeBrotli => {
            file.sizeBrotli = sizeBrotli;
        })
            .pipe(gzip_size_1.default.stream())
            .on('gzip-size', sizeGzip => {
            file.sizeGzip = sizeGzip;
        });
        stream
            .on('end', next)
            .resume();
    })
        .on('error', error => reject(error))
        .on('finish', () => resolve(files));
});
async function pkgSize(pkgPath = '') {
    pkgPath = path_1.default.resolve(pkgPath);
    const tarball = await libnpmpack_1.default(pkgPath);
    const files = await getTarFiles(tarball);
    return { pkgPath, files };
}
module.exports = pkgSize;