@teclone/r-server/build/cjs/modules/Utils.js

A lightweight, extensible web-server with inbuilt routing-engine, static file server, file upload handler, request body parser, middleware support and lots more

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var _asyncToGenerator = require('@babel/runtime/helpers/asyncToGenerator');
var _regeneratorRuntime = require('@babel/runtime/regenerator');
var EntityTooLargeException = require('../Exceptions/EntityTooLargeException');
var utils = require('@teclone/utils');
var node_zlib = require('node:zlib');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

var _asyncToGenerator__default = /*#__PURE__*/_interopDefaultLegacy(_asyncToGenerator);
var _regeneratorRuntime__default = /*#__PURE__*/_interopDefaultLegacy(_regeneratorRuntime);

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var noop = function noop() {
  // do nothing
};
var handleError = function handleError(err, response, code) {
  var _err;
  var request = response.req;
  var logger = response.logger;
  var errorCallback = response.errorCallback;
  err = utils.isString(err) ? new Error(err) : err;
  logger.logError(err);
  if (response.writableEnded || response.finished) {
    return Promise.resolve(true);
  }
  if (errorCallback) {
    return errorCallback(err, request, response, code);
  }
  if (err instanceof EntityTooLargeException.EntityTooLargeException) {
    return response.jsonError({
      statusCode: 413,
      message: err.message
    });
  }
  return response.jsonError({
    statusCode: code || 500,
    errors: process.env.NODE_ENV === 'production' ? null : {
      stack: ((_err = err) === null || _err === void 0 ? void 0 : _err.stack) || ''
    }
  });
};
function deCompressBuffer(_x, _x2) {
  return _deCompressBuffer.apply(this, arguments);
}
function _deCompressBuffer() {
  _deCompressBuffer = _asyncToGenerator__default["default"]( /*#__PURE__*/_regeneratorRuntime__default["default"].mark(function _callee(buffer, contentEconding) {
    var runDecompress, encodings, result, _iterator, _step, encoding;
    return _regeneratorRuntime__default["default"].wrap(function _callee$(_context) {
      while (1) switch (_context.prev = _context.next) {
        case 0:
          runDecompress = function _runDecompress(currentBuffer, currentEncoding) {
            return new Promise(function (resolve, reject) {
              var handler = function handler(err, buffer) {
                if (err) {
                  return reject(err);
                }
                return resolve(buffer);
              };
              switch (currentEncoding) {
                case 'br':
                  node_zlib.brotliDecompress(currentBuffer, handler);
                  break;
                case 'gzip':
                case 'deflate':
                  node_zlib.unzip(currentBuffer, handler);
                  break;
                default:
                  resolve(currentBuffer);
                  break;
              }
            });
          };
          if (!(!buffer.length || !contentEconding)) {
            _context.next = 3;
            break;
          }
          return _context.abrupt("return", buffer);
        case 3:
          encodings = contentEconding.split(/\s*,\s*/gi);
          result = buffer;
          _iterator = _createForOfIteratorHelper(encodings);
          _context.prev = 6;
          _iterator.s();
        case 8:
          if ((_step = _iterator.n()).done) {
            _context.next = 15;
            break;
          }
          encoding = _step.value;
          _context.next = 12;
          return runDecompress(result, encoding);
        case 12:
          result = _context.sent;
        case 13:
          _context.next = 8;
          break;
        case 15:
          _context.next = 20;
          break;
        case 17:
          _context.prev = 17;
          _context.t0 = _context["catch"](6);
          _iterator.e(_context.t0);
        case 20:
          _context.prev = 20;
          _iterator.f();
          return _context.finish(20);
        case 23:
          return _context.abrupt("return", result);
        case 24:
        case "end":
          return _context.stop();
      }
    }, _callee, null, [[6, 17, 20, 23]]);
  }));
  return _deCompressBuffer.apply(this, arguments);
}

exports.deCompressBuffer = deCompressBuffer;
exports.handleError = handleError;
exports.noop = noop;
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