From dfb3f67fc0a84e4e477b39b7fead0252945633aa Mon Sep 17 00:00:00 2001
From: David Anson <david@dlaa.me>
Date: Sun, 2 Jun 2019 21:28:25 -0700
Subject: [PATCH] Build Azure DevOps OS/Node version matrix dynamically vs.
 explicitly.

---
 azure-pipelines.yml | 36 +++++++++---------------------------
 1 file changed, 9 insertions(+), 27 deletions(-)

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 173fe5a2..a94440da 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,35 +1,17 @@
 # Azure DevOps Pipeline for Node.js
 # https://docs.microsoft.com/azure/devops/pipelines/languages/javascript
 
+parameters:
+  osList: [ 'ubuntu', 'macos', 'windows' ]
+  nodeList: [ '8', '10', '12' ]
+
 strategy:
   matrix:
-    linux_node_8:
-      imageName: 'ubuntu-latest'
-      node_version: 8.x
-    linux_node_10:
-      imageName: 'ubuntu-latest'
-      node_version: 10.x
-    linux_node_12:
-      imageName: 'ubuntu-latest'
-      node_version: 12.x
-    macos_node_8:
-      imageName: 'macos-latest'
-      node_version: 8.x
-    macos_node_10:
-      imageName: 'macos-latest'
-      node_version: 10.x
-    macos_node_12:
-      imageName: 'macos-latest'
-      node_version: 12.x
-    windows_node_8:
-      imageName: 'windows-latest'
-      node_version: 8.x
-    windows_node_10:
-      imageName: 'windows-latest'
-      node_version: 10.x
-    windows_node_12:
-      imageName: 'windows-latest'
-      node_version: 12.x
+    ${{ each os in parameters.osList }}:
+      ${{ each nv in parameters.nodeList }}:
+        ${{ format('{0}_node_{1}', os, nv) }}:
+          imageName: ${{ format('{0}-latest', os) }}
+          node_version: ${{ format('{0}.x', nv) }}
 
 pool:
   vmImage: $(imageName)