getting error while doing minification of css files with gulp - gulp

Question

Please advise i want to minify the .css files of my project with gulp so i have written the below task in my gulp.js file as shown below but still upon execution i am getting the error , please advise how to fix the below error
below is the code that I have written is
var gulp = require('gulp');
var minifyCss = require("gulp-minify-css");
gulp.task('minify-css', function () {
gulp.src('C:\\Softwares\\Spring4MVCAngularJSExample\\target\\Spring4MVCAngularJSExample\\static\\css\\*.css') // path to your file
.pipe(minifyCss())
.pipe(gulp.dest('C:\\Softwares\\Spring4MVCAngularJSExample\\target\\Spring4MVCAngularJSExample\\static\\cssoutput'));
});
below is the error i am getting upon execution
C:\Softwares\Spring4MVCAngularJSExample>gulp minify-css
module.js:471
throw err;
^
Error: Cannot find module 'gulp-minify-css'
at Function.Module._resolveFilename (module.js:469:15)
at Function.Module._load (module.js:417:25)
at Module.require (module.js:497:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (C:\Softwares\Spring4MVCAngularJSExample\gulpfile.js:10:13)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)

Answer 1

It appears that it cannot locate the module. Have you run npm install gulp-minify-css --save-dev?
You may want to try re-installing your local packages / dependencies:
rm -rf node_modules/
npm install