--- a/tasks.py	Sun Jan 26 22:07:19 2020 -0800
+++ b/tasks.py	Tue Feb 11 00:07:54 2020 -0800
@@ -5,22 +5,22 @@
 def setup_js(ctx):
     ctx.run('pnpm install')
 
-@task
+@task(pre=[setup_js])
 def serve_demo(ctx):
     ctx.run('webfsd -Fp 8021')
 
-@task
+@task(pre=[setup_js])
 def build(ctx):
     ctx.run(f'pnpm run build', pty=True)
 
-@task
+@task(pre=[setup_js])
 def build_forever(ctx):
     ctx.run(f'pnpm run build_forever', pty=True)
 
-@task
+@task(pre=[setup_js])
 def test(ctx):
     ctx.run(f'pnpm run test', pty=True)
 
-@task
+@task(pre=[setup_js])
 def test_forever(ctx):
     ctx.run(f'pnpm run test_forever', pty=True)