Bumps minimum node engine to 8+ (#4474)

* Use node 8 as development environment

* fixup! Use node 8 as development environment

* bump node to 8.10

* Targets node 8 for everything

* Run npm install so lock file is up to date

* Use push adapter v3

* Deflake a test on ParseUser

* Adds slight delay after logout

* Ensure we wait even if call fails

* Use node carbon

.babelrc

@@ -6,7 +6,7 @@
     "presets": [
         ["env", {
             "targets": {
-                "node": "6.11.4"
+                "node": "8"
             }
         }]
     ]

.nvmrc

@@ -0,0 +1 @@
+8.10

.travis.yml

@@ -25,13 +25,13 @@ stage: test
 env:
   global:
   - COVERAGE_OPTION='./node_modules/.bin/nyc'
-  - NODE_VERSION=6.11.4
+  - NODE_VERSION=8.11.2
   matrix:
   - MONGODB_VERSION=3.2.13
   - MONGODB_VERSION=3.4.4
   - PARSE_SERVER_TEST_DB=postgres
   - PARSE_SERVER_TEST_CACHE=redis
-  - NODE_VERSION=8.7
+  - NODE_VERSION=stable
 before_install:
 - nvm install $NODE_VERSION
 - nvm use $NODE_VERSION
@@ -50,7 +50,7 @@ jobs:
   include:
     # release on github latest branch
     - stage: release
-      node_js: '6.11.4'
+      node_js: '8.10'
       env: 
       before_script: skip
       after_script: skip

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:boron
+FROM node:carbon
 
 RUN mkdir -p /parse-server
 COPY ./ /parse-server/

package.json

@@ -20,7 +20,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@parse/fs-files-adapter": "1.0.1",
-    "@parse/push-adapter": "2.0.3",
+    "@parse/push-adapter": "3.0.0-alpha2",
     "@parse/s3-files-adapter": "1.2.1",
     "@parse/simple-mailgun-adapter": "1.0.2",
     "bcryptjs": "2.4.3",
@@ -74,11 +74,11 @@
     "test": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=3.2.6} MONGODB_STORAGE_ENGINE=mmapv1 TESTING=1 jasmine",
     "coverage": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=3.2.6} MONGODB_STORAGE_ENGINE=mmapv1 TESTING=1 nyc jasmine",
     "start": "node ./bin/parse-server",
-    "prepublish": "npm run build",
+    "prepare": "npm run build",
     "postinstall": "node -p 'require(\"./postinstall.js\")()'"
   },
   "engines": {
-    "node": ">=6.11.4"
+    "node": ">= 8"
   },
   "bin": {
     "parse-server": "./bin/parse-server"

spec/ParseUser.spec.js

@@ -3580,14 +3580,18 @@ describe('Parse.User testing', () => {
       email: 'yo@lo.com'
     }).then(() => {
       const token = user.getSessionToken();
-      const promises = [];
-      while(promises.length != 5) {
-        promises.push(Parse.User.logIn('yolo', 'yolo').then((res) => {
-          // ensure a new session token is generated at each login
-          expect(res.getSessionToken()).not.toBe(token);
-        }));
+      let promise = Promise.resolve();
+      let count = 0;
+      while(count < 5) {
+        promise = promise.then(() => {
+          return Parse.User.logIn('yolo', 'yolo').then((res) => {
+            // ensure a new session token is generated at each login
+            expect(res.getSessionToken()).not.toBe(token);
+          });
+        });
+        count++;
       }
-      return Promise.all(promises);
+      return promise;
     }).then(() => {
       // wait because session destruction is not synchronous
       return new Promise((resolve) => {

spec/helper.js

@@ -217,7 +217,14 @@ afterEach(function(done) {
       });
     })
     .then(() => Parse.User.logOut())
-    .then(afterLogOut, afterLogOut)
+    .then(() => {}, () => {}) // swallow errors
+    .then(() => {
+      // Connection close events are not immediate on node 10+... wait a bit
+      return new Promise((resolve) => {
+        setTimeout(resolve, 0);
+      });
+    })
+    .then(afterLogOut)
 });
 
 const TestObject = Parse.Object.extend({