37 lines
957 B
JavaScript
37 lines
957 B
JavaScript
const url = require("url");
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const https = require("https");
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const gunzip = require("gunzip-maybe");
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const tar = require("tar-stream");
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const agent = require("./registryAgent");
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function fetchNpmPackage(packageConfig) {
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return new Promise((resolve, reject) => {
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const tarballURL = packageConfig.dist.tarball;
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console.log(
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`info: Fetching package for ${packageConfig.name} from ${tarballURL}`
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);
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const { hostname, pathname } = url.parse(tarballURL);
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const options = {
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agent: agent,
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hostname: hostname,
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path: pathname
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};
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https
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.get(options, res => {
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if (res.statusCode === 200) {
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resolve(res.pipe(gunzip()).pipe(tar.extract()));
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} else {
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const spec = `${packageConfig.name}@${packageConfig.version}`;
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reject(new Error(`Failed to fetch tarball for ${spec}`));
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}
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})
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.on("error", reject);
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});
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}
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module.exports = fetchNpmPackage;
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