lexing
v0.9.0 lexer parser
prepare
tsc -t ES5 -m commonjs -d
pretest
tsc -p tests
test
istanbul cover _mocha -- tests/ -R spec && (cat coverage/lcov.info | coveralls || true)
clean
tsc -m commonjs -d --listEmittedFiles | sed 's/^TSFILE: //' | xargs rm -v