fix: multiple promisified amqp-coffee libs

NOTE: when multiple versions of @microfleet/transport-amqp
were included it would cause a crash on startup.
Solved by adding a symbol that tracks promisification and
exits early when we try to do it again

package.json

@@ -43,7 +43,7 @@
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-mocha": "^6.2.2",
     "eslint-plugin-promise": "^4.2.1",
-    "eslint-plugin-unicorn": "^13.0.0",
+    "eslint-plugin-unicorn": "^14.0.0",
     "jaeger-client": "^3.17.1",
     "microtime": "^3.0.0",
     "mocha": "^6.2.2",
@@ -58,7 +58,7 @@
   "dependencies": {
     "@hapi/joi": "^16.1.8",
     "@microfleet/amqp-coffee": "^1.3.1",
-    "bluebird": "^3.7.1",
+    "bluebird": "^3.7.2",
     "common-errors": "^1.0.5",
     "debug": "^4.1.1",
     "eventemitter3": "^4.0.0",

src/utils/transport.js

@@ -1,11 +1,16 @@
 const Promise = require('bluebird');
 
+const kPromisified = Symbol.for('@microfleet/amqp-promisified');
+
 // Promisify stuff
 ['Exchange', 'Queue', 'Connection', 'Consumer', 'Publisher'].forEach((name) => {
   const path = require.resolve(`@microfleet/amqp-coffee/bin/src/lib/${name}`);
-  /* eslint-disable import/no-dynamic-require */
-  Promise.promisifyAll(require(path).prototype);
-  /* eslint-enable import/no-dynamic-require */
+  const mod = require(path); // eslint-disable-line import/no-dynamic-require
+
+  if (mod[kPromisified]) return;
+
+  Promise.promisifyAll(mod.prototype);
+  mod[kPromisified] = true;
 });
 
 const amqp = require('@microfleet/amqp-coffee');

yarn.lock

@@ -1178,6 +1178,11 @@ bluebird@^3.7.1:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.1.tgz#df70e302b471d7473489acf26a93d63b53f874de"
   integrity sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg==
 
+bluebird@^3.7.2:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
+
 bottleneck@^2.18.1:
   version "2.19.5"
   resolved "https://registry.yarnpkg.com/bottleneck/-/bottleneck-2.19.5.tgz#5df0b90f59fd47656ebe63c78a98419205cadd91"
@@ -2421,10 +2426,10 @@ eslint-plugin-unicorn@^12.1.0:
     safe-regex "^2.0.2"
     semver "^6.3.0"
 
-eslint-plugin-unicorn@^13.0.0:
-  version "13.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-unicorn/-/eslint-plugin-unicorn-13.0.0.tgz#3d73a17cc34ade1aaa02655ae78bbd8a2053fa81"
-  integrity sha512-9CQk0v74vQpETMt6iqNgjf3IbWEFhrT0sjaLnjkl9SF3rJH6ZL9f7H42BXJ6LPENQR97QzhrIvB8VG0nD05wxQ==
+eslint-plugin-unicorn@^14.0.0:
+  version "14.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-unicorn/-/eslint-plugin-unicorn-14.0.0.tgz#ea029443f415fbbf6e68a202d572c91fe483453a"
+  integrity sha512-hbW0Tl/TixLIpeObsrdYl01XTud3HZzNd705AjUzJCMcQFRc2jmL+IeD7uue/Nw8HaP2qwoWW1LldHxz7XvwVg==
   dependencies:
     ci-info "^2.0.0"
     clean-regexp "^1.0.0"
@@ -2438,6 +2443,7 @@ eslint-plugin-unicorn@^13.0.0:
     lodash.topairs "^4.3.0"
     lodash.upperfirst "^4.3.1"
     read-pkg-up "^7.0.0"
+    regexp-tree "^0.1.16"
     regexpp "^3.0.0"
     reserved-words "^0.1.2"
     safe-regex "^2.1.1"
@@ -6369,6 +6375,11 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
+regexp-tree@^0.1.16:
+  version "0.1.16"
+  resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.16.tgz#0715feadb6f766aad7eac5ef4287d2c39acf2fc5"
+  integrity sha512-nXWhGJLTWLNdhWF1uqoXQgAOgv8mQGpgXTOk8BWp08YMOKCtn74VoyOJ+AXZ68Dj50Myd+msYs+aGRBzWJ5dJA==
+
 regexp-tree@~0.1.1:
   version "0.1.14"
   resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.14.tgz#1abca3675f6cc4b0dee5c959c6c4554ed172dfae"