s3-express-zip/dist/lib/s3download.js

Download multiple objects from S3 bucket to zip archive through stream

"use strict";
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))
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        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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        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) {
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            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;
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        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getObjectsList = exports.getStream = void 0;
var https_1 = __importDefault(require("https"));
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 (_a) {
    var _b = _a === void 0 ? { s3: {}, s3Options: {}, Bucket: '', Prefix: '' } : _a, s3 = _b.s3, s3Options = _b.s3Options, Bucket = _b.Bucket, Prefix = _b.Prefix;
    return __awaiter(void 0, void 0, void 0, function () {
        var objects;
        return __generator(this, function (_c) {
            switch (_c.label) {
                case 0:
                    s3.config.update(__assign(__assign({}, defaultS3Options), { s3Options: s3Options }));
                    return [4 /*yield*/, getObjectsList(s3, Bucket, Prefix)];
                case 1:
                    objects = (_c.sent());
                    return [2 /*return*/];
            }
        });
    });
});
var getObjectsList = function (s3, Bucket, Prefix) { return __awaiter(void 0, void 0, void 0, function () {
    return __generator(this, function (_a) {
        return [2 /*return*/, new Promise(function (resolve) {
                return s3.listObjects({ Bucket: Bucket, Prefix: Prefix }, function (err, data) {
                    var _a;
                    if (err)
                        return resolve([err]);
                    resolve((_a = data.Contents) === null || _a === void 0 ? void 0 : _a.map(function (f) { return ({ Key: f.Key, Size: f.Size, Bucket: Bucket }); }));
                });
            })];
    });
}); };
exports.getObjectsList = getObjectsList;
var getStream = function (s3, object) { return s3.getObject(object).createReadStream(); };
exports.getStream = getStream;