117 lines
4.1 KiB
JavaScript
117 lines
4.1 KiB
JavaScript
let utils = require('../utils/utils.js');
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let fs = require('../core/fs.js');
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let o_fs = require('fs-extra');
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let http = require('follow-redirects').http;
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let https = require('follow-redirects').https;
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var tar = require('tar');
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class Npm {
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constructor(options) {
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this.logger = options.logger;
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}
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// TODO: callback should accept an error
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getPackageVersion(packageName, version, returnContent, getFromGit, callback) {
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let self = this;
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let npmRegistry = "https://registry.npmjs.org/" + packageName + "/" + version;
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utils.httpsGet(npmRegistry, function (res) {
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let body = '';
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res.on('data', function (d) {
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body += d;
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});
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res.on('end', function () {
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let registryJSON = JSON.parse(body);
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console.log(JSON.stringify(registryJSON));
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let tarball = registryJSON.dist.tarball;
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var download = function(url, dest, cb) {
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var file = o_fs.createWriteStream(dest);
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var request = (url.substring(0,5) === 'https' ? https : http).get(url, function(response) {
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response.pipe(file);
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file.on('finish', function() {
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file.close(cb); // close() is async, call cb after close completes.
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});
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}).on('error', function(err) { // Handle errors
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fs.unlink(dest); // Delete the file async. (But we don't check the result)
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if (cb) cb(err.message);
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});
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};
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if (getFromGit) {
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let repoName = registryJSON.repository.url.replace("git+https://github.com/", "").replace(".git","");
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let gitHead = registryJSON.gitHead;
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let fileLocation = "https://raw.githubusercontent.com/" + repoName + "/" + gitHead + "/dist/web3.min.js";
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let packageDirectory = './.embark/versions/' + packageName + '/' + version + '/';
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if (fs.existsSync(packageDirectory + "/" + packageName + ".js")) {
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if (returnContent) {
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let distFile = packageDirectory + packageName + ".js";
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callback(fs.readFileSync(distFile).toString());
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} else {
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callback(packageDirectory);
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}
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} else {
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fs.mkdirpSync(packageDirectory);
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self.logger.info("downloading " + packageName + " " + version + "....");
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download(tarball, packageDirectory + "/" + packageName + ".js", function() {
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o_fs.createReadStream(packageDirectory + "/" + packageName + ".js").pipe(
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tar.x({
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strip: 1,
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C: packageDirectory
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}).on('end', function() {
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if (returnContent) {
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let distFile = packageDirectory + packageName + ".js";
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callback(fs.readFileSync(distFile).toString());
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} else {
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callback(packageDirectory);
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}
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})
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);
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});
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}
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} else {
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let packageDirectory = './.embark/versions/' + packageName + '/' + version + '/';
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if (fs.existsSync(packageDirectory + "/downloaded_package.tgz")) {
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if (returnContent) {
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let distFile = packageDirectory + returnContent;
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callback(fs.readFileSync(distFile).toString());
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} else {
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callback(packageDirectory);
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}
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} else {
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fs.mkdirpSync(packageDirectory);
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self.logger.info("downloading " + packageName + " " + version + "....");
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download(tarball, packageDirectory + "/downloaded_package.tgz", function() {
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o_fs.createReadStream(packageDirectory + '/downloaded_package.tgz').pipe(
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tar.x({
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strip: 1,
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C: packageDirectory
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}).on('end', function() {
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if (returnContent) {
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let distFile = packageDirectory + returnContent;
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callback(fs.readFileSync(distFile).toString());
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} else {
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callback(packageDirectory);
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}
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})
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);
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});
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}
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}
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});
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});
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}
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}
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module.exports = Npm;
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