basis.router: code style fixes in ast.js
basis.router: code style fixes in ast.js

basisjs/basisjs,fateevv/basisjs,tyanas/basisjs,basisjs/basisjs,fateevv/basisjs,tyanas/basisjs,basisjs/basisjs,istrel/basisjs,tyanas/basisjs,istrel/basisjs,fateevv/basisjs,istrel/basisjs