s3-tus-store/lib/tmp-file.js

[](https://travis-ci.org/blockai/s3-tus-store)

'use strict';

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

var _os = require('os');

var _os2 = _interopRequireDefault(_os);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _path = require('path');

var _debug = require('debug');

var _debug2 = _interopRequireDefault(_debug);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

const debug = (0, _debug2.default)('s3-tus-store:tmpfile');

exports.default = _asyncToGenerator(function* () {
  let prefix = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 's3-tus-store';

  const tmpDirPath = (0, _path.join)(_os2.default.tmpdir(), prefix);
  debug('create tmp dir', { tmpDirPath });
  const dir = yield new Promise(function (resolve, reject) {
    _fs2.default.mkdtemp(tmpDirPath, function (err, result) {
      if (err) return reject(err);
      resolve(result);
    });
  });
  const path = (0, _path.join)(dir, 'tmpfile');
  const createWriteStream = function () {
    debug('createWriteStream', { path });
    return _fs2.default.createWriteStream(path);
  };
  const createReadStream = function () {
    debug('createReadStream', { path });
    return _fs2.default.createReadStream(path);
  };

  const rm = (() => {
    var _ref2 = _asyncToGenerator(function* () {
      return new Promise(function (resolve, reject) {
        debug('rm', { path });
        _fs2.default.unlink(path, function (err) {
          if (err) return reject(err);
          _fs2.default.rmdir(dir, function (err2) {
            if (err2) return reject(err2);
            resolve();
          });
        });
      });
    });

    return function rm() {
      return _ref2.apply(this, arguments);
    };
  })();

  return {
    path,
    createWriteStream,
    createReadStream,
    rm
  };
});