после выполнения >> "grunt server" я видел эти ошибки, я не знаю, что и где мне нужно присоединить или отсоединить некоторый код.еще одна вещь DeprecationWarning: пока нигде в коде я не написал node --debug и node --debug-brk.
$ grunt server
Running "server" task
>> The `server` task has been deprecated. Use `grunt serve` to start a server.
Running "serve" task
Running "clean:server" (clean) task
>> 0 paths cleaned.
Running "env:all" (env) task
Running "express:dev" (express) task
Starting background Express server
(node:5497) [DEP0062] DeprecationWarning: `node --debug` and `node --debug-brk` are invalid. Please use `node --inspect` or `node --inspect-brk` instead.
Stopping Express server
Running "wait" task
>> Waiting for server reload...
Done waiting!
jit-grunt: Plugin for the "watch" task not found.
If you have installed the plugin already, please setting the static mapping.
See https://github.com/shootaroo/jit-grunt#static-mappings
Warning: Task "watch" failed. Use --force to continue.
Aborted due to warnings.
Execution Time (2018-09-25 12:24:48 UTC+5:30)
loading tasks 124ms ▇▇▇▇ 7%
express:dev 106ms ▇▇▇ 6%
wait 1.5s ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 85%
Total 1.8s
Solution npm установить grunt-contrib --save-dev идобавьте эту строку перед последней строкой grunt.js: grunt.loadNpmTasks ('grunt-contrib');