dynamodb-dashboard/build/utils/dynamodb.js

GUI Dashboard for local or remote DynamoDB

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.constructSchema = constructSchema;
exports.deserialize = deserialize;
exports.serialize = serialize;
var _lodash = require("lodash");
var _libDynamodb = require("@aws-sdk/lib-dynamodb");
var _clientDynamodb = require("@aws-sdk/client-dynamodb");
var _table = require("../schemas/table.joi");
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
/**
 * @param {object} Table
 *
 * @returns {object}
 */
function constructSchema(Table) {
  var _Table$BillingModeSum;
  var keys = Object.keys(_table.create.describe().keys);
  var schema = (0, _lodash.pick)(Table, keys);
  schema.BillingMode = ((_Table$BillingModeSum = Table.BillingModeSummary) === null || _Table$BillingModeSum === void 0 ? void 0 : _Table$BillingModeSum.BillingMode) || _clientDynamodb.BillingMode.PROVISIONED;
  if (schema.BillingMode !== _clientDynamodb.BillingMode.PAY_PER_REQUEST) {
    return schema;
  }
  delete schema.ProvisionedThroughput;
  if (schema.GlobalSecondaryIndexes) {
    schema.GlobalSecondaryIndexes.forEach(function (gsi) {
      return delete gsi.ProvisionedThroughput;
    });
  }
  return schema;
}

/**
 * https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.NamingRulesDataTypes.html#HowItWorks.DataTypes
 *
 * @param {object} Item
 * @param {string} path
 * @param {function} callback
 *
 * @returns {object}
 */
function serialize(Item) {
  var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
  var callback = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : function () {};
  if (["string", "number", "boolean"].includes(_typeof(Item)) || Item === null) {
    return Item;
  }
  if (Item instanceof Set) {
    callback(path);
    return Array.from(Item);
  }
  if (Item instanceof Array) {
    return Item.map(function (value, index) {
      return serialize(value, "".concat(path, "[").concat(index, "]"), callback);
    });
  }
  var output = {};
  Object.entries(Item).forEach(function (_ref) {
    var _ref2 = _slicedToArray(_ref, 2),
      key = _ref2[0],
      value = _ref2[1];
    var currentPath = path ? "".concat(path, ".").concat(key) : key;
    if (value instanceof Set) {
      callback(currentPath);
      output[key] = Array.from(value);
      return;
    }
    if (typeof value === "bigint") {
      callback(currentPath);
      output[key] = String(value);
      return;
    }
    if (value instanceof Array) {
      output[key] = value.map(function (item, index) {
        return serialize(item, "".concat(currentPath, "[").concat(index, "]"), callback);
      });
      return;
    }
    if (value instanceof Object) {
      output[key] = serialize(value, currentPath, callback);
      return;
    }
    output[key] = value;
  });
  return output;
}

/**
 * @param {object} object
 * @param {object} source
 *
 * @returns {object}
 */
function deserialize() {
  var source = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var object = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var paths = [];
  serialize(source, "", function (path) {
    return paths.push(path);
  });
  paths.forEach(function (path) {
    var value = (0, _lodash.get)(object, path);
    if (value instanceof Array) {
      (0, _lodash.set)(object, path, new Set(value));
    }
    if (typeof value === "string") {
      (0, _lodash.set)(object, path, new _libDynamodb.NumberValue(value));
    }
  });
  return object;
}