use npm

azure-pipelines/publish.yml

@@ -27,11 +27,9 @@ extends:
       - name: node-spdlog
 
         buildSteps:
-          - script: yarn --frozen-lockfile
+          - script: npm ci
             displayName: Install dependencies
 
-          # the rest of the build steps are part of the 'prepack' script, automatically run when the pipeline invokes 'yarn pack'
-
         testPlatforms:
           - name: Linux
             nodeVersions:
@@ -44,10 +42,10 @@ extends:
               - 16.x
 
         testSteps:
-          - script: yarn --frozen-lockfile
+          - script: npm ci
             displayName: Install dependencies
 
-          - script: yarn test
+          - script: npm run test
             displayName: Compile & test npm package
 
         publishPackage: ${{ parameters.publishPackage }}