s3-express-zip
Version:
Download multiple objects from S3 bucket to zip archive through stream
51 lines (50 loc) • 2.04 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 });
exports.getS3ObjectStream = exports.getHTTPHeaders = exports.getS3ObjectsList = void 0;
var async_1 = __importDefault(require("async"));
var zipstream = require('zip-stream');
var defaultZipOptions = {
store: true
};
exports.default = (function (_a) {
var res = _a.res, zipOptions = _a.zipOptions;
if (!res) {
throw new Error('Missing witable stream in entry');
}
var zip = zipstream(__assign(__assign({}, defaultZipOptions), zipOptions));
zip.pipe(res);
return function (files, cb) {
if (cb === void 0) { cb = function () { }; }
if (!files) {
throw new Error('Missing files to zip');
}
cb = cb || function () { };
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());
});
};
});
var lib_1 = require("./lib");
Object.defineProperty(exports, "getS3ObjectsList", { enumerable: true, get: function () { return lib_1.getS3ObjectsList; } });
Object.defineProperty(exports, "getHTTPHeaders", { enumerable: true, get: function () { return lib_1.getHTTPHeaders; } });
Object.defineProperty(exports, "getS3ObjectStream", { enumerable: true, get: function () { return lib_1.getS3ObjectStream; } });