Default Gruntfile.js

Gruntfile.js

module.exports = function (grunt) {
  grunt.initConfig({

    pkg: grunt.file.readJSON('package.json'),

    copy: {
      lib: {
        files: [
          {
            expand: true,
            cwd: 'node_modules/bootstrap/dist/',
            src: ['css/*.css', 'js/*.js'],
            dest: 'assets/lib/bootstrap/'
          },
          {
            expand: true,
            cwd: 'node_modules/font-awesome/',
            src: ['css/*.css', 'fonts/**'],
            dest: 'assets/lib/font-awesome/'
          },
          {
            expand: true,
            cwd: 'node_modules/popper.js/dist/',
            src: ['**'],
            dest: 'assets/lib/popper.js/'
          },
          {
            expand: true,
            cwd: 'node_modules/animate.css/',
            src: ['animate.css', 'animate.min.css'],
            dest: 'assets/lib/animate.css/'
          }
        ]
      }
    },

    cssmin: {
      options: {
        mergeIntoShorthands: false,
        roundingPrecision: -1
      },
      target: {
        files: {
          'style.min.css': ['style.css']
        }
      }
    },

    uglify: {
      options: {
        mangle: {
          reserved: ['jQuery', '$']
        }
      },
      target: {
        files: {
          'assets/js/public.min.js': ['assets/js/public.js'],
          'assets/js/admin.min.js': ['assets/js/admin.js']
        }
      }
    },
    
    svgmin: {
      min: {
        files: [{
            expand: true,
            cwd: 'src/assets/images',
            src: ['**/*.svg'],
            dest: 'assets/images',
            ext: '.svg'
          }]
      }
    },
    
    watch: {
      scripts: {
        files: ['assets/js/admin.js', 'assets/js/public.js'],
        tasks: ['uglify'],
        options: {
          debounceDelay: 250
        }
      },
      stylesheets: {
        files: ['assets/css/public.css', 'assets/css/admin.css'],
        tasks: ['cssmin'],
        options: {
          debounceDelay: 250
        }
      },
      images: {
        files: ['src/assets/images/**/*.svg'],
        tasks: ['svgmin'],
        options: {
          debounceDelay: 250
        }
      }
    }
  });

  grunt.loadNpmTasks('grunt-contrib-copy');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-cssmin');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-svgmin');
  
  // Default task(s).
  grunt.registerTask('default', ['copy:lib', 'cssmin:target', 'uglify:target']);
};

npm install grunt grunt-svgmin grunt-contrib-copy grunt-contrib-watch grunt-contrib-cssmin grunt-contrib-uglify --save-dev