Use node 10.15.1 on build machine

build/azure-pipelines/darwin/continuous-build-darwin.yml

@@ -1,7 +1,7 @@
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:
     versionSpec: "1.10.1"

build/azure-pipelines/darwin/product-build-darwin.yml

@@ -1,7 +1,7 @@
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:

build/azure-pipelines/linux/continuous-build-linux.yml

@@ -9,7 +9,7 @@ steps:
     sudo service xvfb start
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:
     versionSpec: "1.10.1"

build/azure-pipelines/linux/product-build-linux.yml

@@ -1,7 +1,7 @@
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:

build/azure-pipelines/linux/snap-build-linux.yml

@@ -1,7 +1,7 @@
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:

build/azure-pipelines/win32/continuous-build-win32.yml

@@ -1,7 +1,7 @@
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:
     versionSpec: "1.10.1"

build/azure-pipelines/win32/product-build-win32.yml

@@ -1,7 +1,7 @@
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: "8.12.0"
+    versionSpec: "10.15.1"
 
 - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
   inputs:

build/npm/preinstall.js

@@ -7,8 +7,8 @@ let err = false;
 
 const majorNodeVersion = parseInt(/^(\d+)\./.exec(process.versions.node)[1]);
 
-if (majorNodeVersion < 8 || majorNodeVersion >= 9) {
-	console.error('\033[1;31m*** Please use node >=8 and <9.\033[0;0m');
+if (majorNodeVersion < 8 || majorNodeVersion >= 11) {
+	console.error('\033[1;31m*** Please use node >=8 and <11.\033[0;0m');
 	err = true;
 }