chore(cli): fix helper to use includes for dashed flag stripping

Author: knagaitsev

lib/bootstrap.js

@@ -6,7 +6,7 @@ require('./utils/process-log');
 
 const isFlagPresent = (args, flag) => args.find(arg => [flag, `--${flag}`].includes(arg));
 const isArgCommandName = (arg, cmd) => arg === cmd.name || arg === cmd.alias;
-const stripDashedFlags = (args, cmd) => args.filter(arg => ~arg.indexOf('--') && !isArgCommandName(arg, cmd));
+const stripDashedFlags = (args, cmd) => args.filter(arg => !arg.includes('--') && !isArgCommandName(arg, cmd));
 const normalizeFlags = (args, cmd) => {
     const slicedArgs = args.slice(2);
     if (cmd.name === 'serve') {