Handle missing artifacts dir

Author: ryanbrandenburg

.gitignore

@@ -5,3 +5,4 @@ npmpackoutput/
 test/webpacktest/package*.json
 test/webpacktest/dist/
 artifacts/
+dist/

.vsts-pipelines/builds/ci-public.yml

@@ -0,0 +1,16 @@
+trigger:
+- master
+- release/*
+
+resources:
+  repositories:
+  - repository: buildtools
+    type: github
+    endpoint: DotNet-Bot GitHub Connection
+    name: aspnet/BuildTools
+    ref: refs/heads/release/2.2
+
+phases:
+  - template: .vsts-pipelines/templates/phases/default-build.yml@buildtools
+    parameters:
+      agentOs: Windows

build.msbuild

@@ -20,6 +20,7 @@
         <Exec Command="npm install" />
         <Exec Command="npm version --no-git-tag-version --allow-same-version $(PackageVersion)" />
         <Exec Command="$(MSBuildThisFileDirectory)node_modules\.bin\gulp" />
+        <MakeDir Directories="$(ArtifactsDir)" />
         <Copy
             SourceFiles="@(DistDirFiles)"
             DestinationFolder="$(ArtifactsDir)" OverwriteReadOnlyFiles="true"/>
@@ -38,4 +39,4 @@
         <Exec Command="npm install webpack webpack-cli --save-dev" WorkingDirectory="$(WebPackTestDir)" />
         <Exec Command="npx webpack" WorkingDirectory="$(WebPackTestDir)" />
     </Target>
-</Project>
+</Project>