snacks/level.js

Irken plugin exposing configuration options

'use strict';

/* TODO: doens't expose all levelup methods, just what I need */

var levelup = require('levelup');
var memdown = require('memdown');

var _require = require('when');

var defer = _require.defer;

var _require2 = require('when/node');

var createCallback = _require2.createCallback;

var db = levelup('snacks', {
  db: memdown,
  valueEncoding: 'json'
});

function get(key) {
  var opts = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

  var d = defer();
  var cb = createCallback(d.resolver);

  db.get(key, opts, cb);

  return d.promise;
}

function put(key, value) {
  var opts = arguments.length <= 2 || arguments[2] === undefined ? {} : arguments[2];

  var d = defer();
  var cb = createCallback(d.resolver);

  db.put(key, value, opts, cb);

  return d.promise;
}

function del(key) {
  var opts = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

  var d = defer();
  var cb = createCallback(d.resolver);

  db.del(key, opts, cb);

  return d.promise;
}

function createReadStream() {
  var opts = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];

  return db.createReadStream(opts);
}

module.exports = {
  get: get,
  put: put,
  del: del,
  createReadStream: createReadStream
};