es-symbol
v1.1.2 es6 symbol polyfill es2015 private objects harmony ecmascript javascript and 3 more...
build
6to5 src/symbol.js > dist/symbol.js
check
6to5-node src/symbol.js
coverage
6to5 test.js > coverage-test.js; istanbul cover coverage-test.js
prepublish
npm run build
test
6to5-node test.js