shrinkpack
Version:
Fast, resilient, reproducible builds with npm install.
115 lines (114 loc) • 6.44 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
exports.fromNetwork = void 0;
var fs_1 = __importDefault(require("fs"));
var gunzip_maybe_1 = __importDefault(require("gunzip-maybe"));
var pacote_1 = __importDefault(require("pacote"));
var ssri_1 = __importDefault(require("ssri"));
var stream_1 = require("stream");
var log_1 = require("./log");
/**
* Use npm's internal "pacote" package to fetch tarballs from npm. Pacote uses
* npm's internal cache to minimise the amount of network activity.
*
* @param resolved https://registry.npmjs.org/shrinkpack/-/shrinkpack-0.18.1.tgz
* @param filePath /Users/you/my-project/node_shrinkpack/shrinkpack-0.18.1.tar
*/
function fromNetwork(resolved, filePath) {
return __awaiter(this, void 0, void 0, function () {
var $integrity, $unzip, $write, pRequest, pWrite, pIntegrity, pSha512;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
$integrity = ssri_1["default"].integrityStream();
$unzip = (0, gunzip_maybe_1["default"])();
$write = fs_1["default"].createWriteStream(filePath);
pRequest = pacote_1["default"].tarball.stream(resolved, function ($download) {
return new Promise(function (resolve, reject) {
var $contents = resolved.endsWith('.tgz')
? $download.pipe($unzip)
: $download;
$download.on('end', resolve);
$download.on('error', reject);
$contents.pipe(new stream_1.PassThrough()).pipe($write);
$contents.pipe(new stream_1.PassThrough()).pipe($integrity);
$integrity.on('data', function () {
/* subscribe so stream runs */
});
});
});
pWrite = new Promise(function (resolve) {
$write.on('finish', function () {
log_1.log.verbose("finished writing ".concat(resolved, " to ").concat(filePath));
resolve();
});
$write.on('error', function (err) {
log_1.log.error("error writing ".concat(resolved, " to ").concat(filePath), err);
process.exit(1);
});
});
pIntegrity = new Promise(function (resolve) {
$integrity.on('finish', function () {
log_1.log.verbose("finished getting integrity hash of ".concat(filePath));
resolve();
});
$integrity.on('error', function (err) {
log_1.log.error("error getting integrity hash of ".concat(filePath), err);
process.exit(1);
});
});
pSha512 = new Promise(function (resolve) {
$integrity.on('integrity', function (result) {
var integrity = ssri_1["default"].parse(result.sha512[0]).toString();
log_1.log.verbose("integrity of ".concat(resolved, " is ").concat(integrity));
resolve(integrity);
});
});
return [4 /*yield*/, Promise.all([pRequest, pIntegrity, pWrite, pSha512])];
case 1:
_a.sent();
return [2 /*return*/, pSha512];
}
});
});
}
exports.fromNetwork = fromNetwork;