我对 Gulp 和 Visual Studio Code 终端有疑问

Question

I have been using gulp.js for some time and everything was fine, but today by inserting this code I saw that it gave me this problem:

Terminal

can you tell me why? how do i solve this problem?

Package.json file

gulpfile 1 gulpfile 2

Translated error:

I'm sorry if the error is in Italian: I immediately translate anyway: gulp, Term 'gulp' not recognized as a cmdlet name, function. executable program or script file, Check the spelling of the name or verify that the path is included and correct. then try again: In row: 1 car: 1

• gulp watch

•  + CategoryInfo: ObjectNotFound: (gulp: String) [], CommandNotFoundException + FullyQualifiedErrorId: CommandNotFoundException

Answer 1

You have to install the gulp-cli package to use the gulp command. To do so, you can use npm i -g gulp-cli (or yarn global add gulp-cli if you use yarn) to install the gulp command.