embark-area-51/lib/pipeline/npm.js

94 lines
3.2 KiB
JavaScript

// here be dragons
// TODO: this is horrible and needs to be refactored ASAP
let utils = require('../utils/utils.js');
let fs = require('../core/fs.js');
class Npm {
constructor(options) {
this.logger = options.logger;
}
downloadFromGit(registryJSON, packageName, version, returnContent, callback) {
let repoName = registryJSON.repository.url.replace("git+https://github.com/", "").replace(".git","");
let gitHead = registryJSON.gitHead;
if (!gitHead) {
console.error("Could not download " + packageName + " " + version);
return callback("error");
}
let fileLocation = "https://raw.githubusercontent.com/" + repoName + "/" + gitHead + "/dist/web3.min.js";
let packageDirectory = './.embark/versions/' + packageName + '/' + version + '/';
if (fs.existsSync(packageDirectory + "/" + packageName + ".js")) {
if (returnContent) {
let distFile = packageDirectory + packageName + ".js";
callback(fs.readFileSync(distFile).toString());
} else {
callback(packageDirectory);
}
} else {
fs.mkdirpSync(packageDirectory);
self.logger.info("downloading " + packageName + " " + version + "....");
utils.downloadFile(fileLocation, packageDirectory + "/" + packageName + ".js", function() {
utils.extractTar(packageDirectory + "/" + packageName + ".js", packageDirectory, function() {
if (returnContent) {
let distFile = packageDirectory + packageName + ".js";
callback(fs.readFileSync(distFile).toString());
} else {
callback(packageDirectory);
}
});
});
}
}
downloadFromNpm(registryJSON, packageName, version, returnContent, callback) {
let tarball = registryJSON.dist.tarball;
let packageDirectory = './.embark/versions/' + packageName + '/' + version + '/';
if (fs.existsSync(packageDirectory + "/downloaded_package.tgz")) {
if (returnContent) {
let distFile = packageDirectory + returnContent;
callback(fs.readFileSync(distFile).toString());
} else {
callback(packageDirectory);
}
} else {
fs.mkdirpSync(packageDirectory);
this.logger.info("downloading " + packageName + " " + version + "....");
utils.downloadFile(tarball, packageDirectory + "/downloaded_package.tgz", function() {
utils.extractTar(packageDirectory + "/downloaded_package.tgz", packageDirectory, function() {
if (returnContent) {
let distFile = packageDirectory + returnContent;
callback(fs.readFileSync(distFile).toString());
} else {
callback(packageDirectory);
}
});
});
}
}
// TODO: callback should accept an error
getPackageVersion(packageName, version, returnContent, getFromGit, callback) {
let self = this;
let npmRegistry = "https://registry.npmjs.org/" + packageName + "/" + version;
utils.httpsGet(npmRegistry, function (_err, body) {
let registryJSON = JSON.parse(body);
if (getFromGit) {
self.downloadFromGit(registryJSON, packageName, version, returnContent, callback);
} else {
self.downloadFromNpm(registryJSON, packageName, version, returnContent, callback);
}
});
}
}
module.exports = Npm;