var gulp = require('gulp');
var imgminify = require('gulp-imgminify');
 //minify img
 gulp.task('imgminify',async function () {
    return gulp.src('src/assets/img/*')
        .pipe(imgminify())
        .pipe(gulp.dest('dis/assets/img'))
}); 
----------------------------------------------------------
$ npm install --save-dev gulp-imgminify
up to date, audited 372 packages in 13s
7 packages are looking for funding
  run `npm fund` for details
29 vulnerabilities (10 moderate, 11 high, 8 critical)
To address issues that do not require attention, run:
  npm audit fix
To address all issues possible (including breaking changes), run:
  npm audit fix --force
Some issues need review, and may require choosing
a different dependency.
Run `npm audit` for details.