return errors;

}

export function resolveNpmPackFilename(output) {

const filename = output

.split(/\r?\n/u)

.map((line) => line.trim())

.filter(Boolean)

.at(-1);

if (typeof filename !== "string" || !filename.endsWith(".tgz")) {

throw new Error(`npm pack did not report a tarball filename`);

}

return filename;

}

function npmPack(spec, destinationDir) {

const output = execFileSync(

"npm",

["pack", spec, "--json", "--ignore-scripts", "--pack-destination", destinationDir],

["pack", spec, "--ignore-scripts", "--pack-destination", destinationDir],

{

encoding: "utf8",

stdio: ["ignore", "pipe", "pipe"],

},

);

const rows = JSON.parse(output);

const filename = rows?.[0]?.filename;

if (typeof filename !== "string" || !filename) {

throw new Error(`npm pack ${spec} did not report a tarball filename`);

}

const filename = resolveNpmPackFilename(output);

return path.isAbsolute(filename) ? filename : path.join(destinationDir, filename);

}