test: Run with node 14 (#208)

* test: Run with node 14

* chore: fix typo in azure-pipelines definition

* add changeset

.changeset/afraid-chefs-melt.md

@@ -0,0 +1,5 @@
+---
+"dom-accessibility-api": patch
+---
+
+Add support for node 14

azure-pipelines.yml

@@ -14,13 +14,19 @@ pool:
 # but it let's us use a single job. No need to split up jobs yet
 strategy:
   matrix:
-    # active node versions
+    # active node versions, remove once they reached their EOL
+    # EOL: 2021-04-30
     node_10_x:
       node_version: 10.x
+    # EOL: 	2022-04-30
     node_12_x:
       node_version: 12.x
+    # EOL: 2020-06-01
     node_13_x:
       node_version: 13.x
+    # EOL: 2023-04-30
+    node_14_x:
+      node_version: 14.x
 
 steps:
   - task: NodeTool@0
@@ -63,9 +69,9 @@ steps:
   - script: yarn start
     displayName: "ES modules in node smoke tests of build"
     workingDirectory: tests/build/fixtures/node-es-modules
-    # in node 12 we need to use a flag and I'm to lazy to branch even further
-    # running in node 13 is hopefully a sufficient smoke test
-    condition: startsWith(variables['node_version'], '13.')
+    # in node 12 we need to use a flag and I'm too lazy to branch even further
+    # running in node >= 13 is hopefully a sufficient smoke test
+    condition: or(startsWith(variables['node_version'], '13.'), startsWith(variables['node_version'], '14.'))
 
   - script: yarn test:ci
     displayName: "Run jest tests"