--- a/tasks.py	Sun Dec 15 12:38:11 2019 -0800
+++ b/tasks.py	Tue Dec 24 18:37:03 2019 -0800
@@ -3,24 +3,21 @@
 
 @task
 def setup_npm(ctx):
-    ctx.run('yarn install')
+    ctx.run('npm install')
+
 
 @task
 def serve_demo(ctx):
-    ctx.run('yarn webpack-dev-server --config webpack-dev.config.ts  --port 8082')
+    ctx.run('npm run webpack-dev-server')
+
 
 @task
 def build(ctx):
-    ctx.run(f'yarn run webpack-cli --config webpack.config.js --mode production')  # --debug --display-error-details
-    ctx.run(f'cp build/streamed-graph.bundle.js /my/site/homepage/www/rdf/streamed-graph.bundle.js')
+    ctx.run(f'npm run webpack-build')
+    ctx.run(f'cp build/bundle.js /my/site/homepage/www/rdf/streamed-graph.bundle.js')
     ctx.run(f'cp streamed-graph.css /my/site/homepage/www/rdf/streamed-graph.css')
 
+
 @task
 def test(ctx):
-    ctx.run(f'node_modules/.bin/webpack-cli --config webpack-test.config.ts')
-    ctx.run(f'node_modules/.bin/ts-node node_modules/.bin/jasmine --config=jasmine.json')
-
-# one time per machine:
-# yarn policies set-version v2
-# in vscode, ctrl-p then: ext install ark120202.vscode-typescript-pnp-plugin
-# or see https://next.yarnpkg.com/advanced/pnpify for a compatibility runner.
+    ctx.run(f'npm test')