Revision a8f8c7afe4a1f6b2afcda9279477a984146e6d81 authored by Valeri Karpov on 19 September 2018, 21:43:16 UTC, committed by Valeri Karpov on 19 September 2018, 21:43:16 UTC
1 parent b4c372e
Raw File
promise_provider.js
/*!
 * ignore
 */

'use strict';

const assert = require('assert');
const mquery = require('mquery');

/**
 * Helper for multiplexing promise implementations
 *
 * @api private
 */

const store = {
  _promise: null
};

/**
 * Get the current promise constructor
 *
 * @api private
 */

store.get = function() {
  return store._promise;
};

/**
 * Set the current promise constructor
 *
 * @api private
 */

store.set = function(lib) {
  assert.ok(typeof lib === 'function',
    `mongoose.Promise must be a function, got ${lib}`);
  store._promise = lib;
  mquery.Promise = lib;
};

/*!
 * Use native promises by default
 */

store.set(global.Promise);

module.exports = store;
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