s3-express-zip
Version:
Download multiple objects from S3 bucket to zip archive through stream
50 lines (49 loc) • 1.7 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var async_1 = __importDefault(require("async"));
var https_1 = __importDefault(require("https"));
var zipstream = require('zip-stream');
var defaultZipOptions = {
store: true
};
var defaultS3Options = {
httpOptions: {
timeout: 60000 * 60 * 24,
agent: new https_1.default.Agent({
timeout: 60000 * 60 * 24,
maxTotalSockets: 100,
maxSockets: 1,
})
},
correctClockSkew: true
};
exports.default = (function (s3, s3Options, zipOptions, files, filename, cb, res) {
if (s3Options === void 0) { s3Options = {}; }
if (zipOptions === void 0) { zipOptions = {}; }
s3.config.update(__assign(__assign({}, defaultS3Options), s3Options));
var zip = zipstream(__assign(__assign({}, defaultZipOptions), zipOptions));
zip.pipe(res);
var addFile = function (file, cb) {
zip.entry(file.stream, { name: file.name }, cb);
};
async_1.default.forEachSeries(files, addFile, function (err) {
if (err)
return cb(err);
zip.finalize();
cb(null, zip.getBytesWritten());
});
});