Draco JS rewrite

.travis.yml

@@ -1,33 +1,11 @@
-language: python
-python:
-  - "3.6"
-cache:
-  - pip
-  - yarn
+language: node_js
+node_js: 12
+cache: yarn
 before_install:
-  # install conda
   - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
   - bash miniconda.sh -b -p $HOME/miniconda
   - export PATH="$HOME/miniconda/bin:$PATH"
   - hash -r
   - conda config --set always_yes yes --set changeps1 no
   - conda update -q conda
-  # install yarn
-  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.12.1
-  - export PATH="$HOME/.yarn/bin:$PATH"
-  # Useful for debugging any issues with conda
-  - conda info -a
-install:
-  - yarn
-  - yarn --cwd js
-  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION coveralls
-  - source activate test-environment
-  # now we are in an environment
   - conda install -c potassco clingo
-  - pip install -r requirements.txt
-  - pip install -e .
-script:
-  - yarn --cwd js build
-  - python setup.py test
-after_success:
-  - coveralls

README.md

@@ -6,7 +6,7 @@
 
 # Formalizing Visualization Design Knowledge as Constraints
 
-[![Build Status](https://travis-ci.org/uwdata/draco.svg?branch=master)](https://travis-ci.org/uwdata/draco)
+[![Build Status](https://travis-ci.org/uwdata/draco.svg?branch=ndraco)](https://travis-ci.org/uwdata/draco)
 [![Coverage Status](https://coveralls.io/repos/github/uwdata/draco/badge.svg?branch=master)](https://coveralls.io/github/uwdata/draco?branch=master)
 [![PyPi](https://img.shields.io/pypi/v/draco.svg)](https://pypi.org/project/draco/)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)