83 lines
2.3 KiB
JavaScript
83 lines
2.3 KiB
JavaScript
import { promises } from 'fs';
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import { normalizeDir, prepareDirectoryForExport } from '../../export/helpers/prepare.mjs';
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import { downloadFile } from '../api/download.mjs';
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import { untar } from '../helpers/untar.mjs';
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import { getNPMVersion, getPackageVersion } from './version.mjs';
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import 'pathe';
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import 'fs/promises';
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import '../api/config.mjs';
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import '../api/fetch.mjs';
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import 'tar';
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import '../../misc/exec.mjs';
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import 'child_process';
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async function downloadNPMPackage(options) {
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const rootDir = options.target = normalizeDir(options.target);
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const contentsDir = rootDir + "/package";
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const versionInfo = await getNPMVersion(options);
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const version = versionInfo.version;
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const ifModifiedSince = options.ifModifiedSince;
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if (ifModifiedSince) {
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try {
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let expectedVersion;
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if (typeof ifModifiedSince === "object") {
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if (ifModifiedSince.downloadType === "npm" && ifModifiedSince.rootDir === rootDir && ifModifiedSince.contentsDir === contentsDir) {
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expectedVersion = ifModifiedSince.version;
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} else {
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expectedVersion = null;
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}
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} else {
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expectedVersion = ifModifiedSince === true ? await getPackageVersion(contentsDir) : ifModifiedSince;
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}
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if (version === expectedVersion) {
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return "not_modified";
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}
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} catch (err) {
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options.cleanup = true;
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}
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}
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const archiveURL = versionInfo.file;
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if (!archiveURL) {
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throw new Error(
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`NPM registry did not provide link to package archive.`
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);
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}
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const archiveTarget = rootDir + "/" + version + ".tgz";
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await prepareDirectoryForExport(options);
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let archiveExists = false;
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try {
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const stat = await promises.stat(archiveTarget);
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archiveExists = stat.isFile();
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} catch (err) {
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}
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if (!archiveExists) {
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if (options.log) {
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console.log(`Downloading ${archiveURL}`);
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}
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await downloadFile(
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{
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uri: archiveURL,
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headers: {
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Accept: "application/tar+gzip"
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}
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},
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archiveTarget
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);
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}
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await prepareDirectoryForExport({
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target: contentsDir,
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cleanup: true
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});
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if (options.log) {
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console.log(`Unpacking ${archiveTarget}`);
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}
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await untar(archiveTarget, rootDir);
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return {
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downloadType: "npm",
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rootDir,
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contentsDir,
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version
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};
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}
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export { downloadNPMPackage };
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