Cannot run grunt command because of error: cannot find module 'liftoff'











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I'm starting a simple HTML project with Bootstrap 4 where I want to use compiled sass. To do this I've installed grunt using node.js and later steps described on https://gruntjs.com/getting-started.



When I'm typing grunt command the result is:




Error: Cannot find module 'liftoff' at
Function.Module._resolveFilename
(internal/modules/cjs/loader.js:603:15)
at Function.Module._load (internal/modules/cjs/loader.js:529:25)
at Module.require (internal/modules/cjs/loader.js:658:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (C:Bitnaminodejs-7.3.0-0nodejsnode_modulesgrunt-clibingrunt:7:15)
at Module._compile (internal/modules/cjs/loader.js:722:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:733:10)
at Module.load (internal/modules/cjs/loader.js:620:32)
at tryModuleLoad (internal/modules/cjs/loader.js:560:12)
at Function.Module._load (internal/modules/cjs/loader.js:552:3)




I've tried to figure out this by installing npm install liftoff. This module was installed properly but still I cannot run grunt.



My gruntfile.js looks like this:



module.exports = function(grunt) {
'use strict';

grunt.initConfig({
watch: {
sass: {
files: ['sass/**', 'Gruntfile.js'],
tasks: ['sass'],
},
uglify: {
files: ['js/index.js', 'Gruntfile.js'],
tasks: ['uglify'],
}
},
sass: {
production: {
options: {
compress: true,
strictUnits: true
},
files: {
'styles.css': 'styles/styles.sass',
}
}
},
uglify: {
options: {
beautify: true,
mangle: false,
compress: {
drop_console: true
}
},
build: {
files: {
'index.min.js': ['js/index.js'],
}
}
}
});

grunt.registerTask('default', ['css', 'js']);
grunt.registerTask('css', ['sass']);
grunt.registerTask('js', ['uglify']);

grunt.loadNpmTasks('grunt-contrib-watch');
grunt.loadNpmTasks('grunt-contrib-sass');
grunt.loadNpmTasks('grunt-contrib-uglify');
};


What am I missing? I'm quite new to npm grunt so maybe solution is simple but I didn't find answer strictly related to 'liftoff' module. I'm trying to do this on Windows 7. Thanks for any help.










share|improve this question
























  • Since I didn't get the answer I've found out that any project on this computer has problem with grunt. And the error is the same. So it must be a global problem, not only with this project. I've reinstalled node.js and grunt but it didn't work. :( I've installed gulp and everything is ok.
    – nymphais
    Nov 27 at 14:20















up vote
2
down vote

favorite












I'm starting a simple HTML project with Bootstrap 4 where I want to use compiled sass. To do this I've installed grunt using node.js and later steps described on https://gruntjs.com/getting-started.



When I'm typing grunt command the result is:




Error: Cannot find module 'liftoff' at
Function.Module._resolveFilename
(internal/modules/cjs/loader.js:603:15)
at Function.Module._load (internal/modules/cjs/loader.js:529:25)
at Module.require (internal/modules/cjs/loader.js:658:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (C:Bitnaminodejs-7.3.0-0nodejsnode_modulesgrunt-clibingrunt:7:15)
at Module._compile (internal/modules/cjs/loader.js:722:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:733:10)
at Module.load (internal/modules/cjs/loader.js:620:32)
at tryModuleLoad (internal/modules/cjs/loader.js:560:12)
at Function.Module._load (internal/modules/cjs/loader.js:552:3)




I've tried to figure out this by installing npm install liftoff. This module was installed properly but still I cannot run grunt.



My gruntfile.js looks like this:



module.exports = function(grunt) {
'use strict';

grunt.initConfig({
watch: {
sass: {
files: ['sass/**', 'Gruntfile.js'],
tasks: ['sass'],
},
uglify: {
files: ['js/index.js', 'Gruntfile.js'],
tasks: ['uglify'],
}
},
sass: {
production: {
options: {
compress: true,
strictUnits: true
},
files: {
'styles.css': 'styles/styles.sass',
}
}
},
uglify: {
options: {
beautify: true,
mangle: false,
compress: {
drop_console: true
}
},
build: {
files: {
'index.min.js': ['js/index.js'],
}
}
}
});

grunt.registerTask('default', ['css', 'js']);
grunt.registerTask('css', ['sass']);
grunt.registerTask('js', ['uglify']);

grunt.loadNpmTasks('grunt-contrib-watch');
grunt.loadNpmTasks('grunt-contrib-sass');
grunt.loadNpmTasks('grunt-contrib-uglify');
};


What am I missing? I'm quite new to npm grunt so maybe solution is simple but I didn't find answer strictly related to 'liftoff' module. I'm trying to do this on Windows 7. Thanks for any help.










share|improve this question
























  • Since I didn't get the answer I've found out that any project on this computer has problem with grunt. And the error is the same. So it must be a global problem, not only with this project. I've reinstalled node.js and grunt but it didn't work. :( I've installed gulp and everything is ok.
    – nymphais
    Nov 27 at 14:20













up vote
2
down vote

favorite









up vote
2
down vote

favorite











I'm starting a simple HTML project with Bootstrap 4 where I want to use compiled sass. To do this I've installed grunt using node.js and later steps described on https://gruntjs.com/getting-started.



When I'm typing grunt command the result is:




Error: Cannot find module 'liftoff' at
Function.Module._resolveFilename
(internal/modules/cjs/loader.js:603:15)
at Function.Module._load (internal/modules/cjs/loader.js:529:25)
at Module.require (internal/modules/cjs/loader.js:658:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (C:Bitnaminodejs-7.3.0-0nodejsnode_modulesgrunt-clibingrunt:7:15)
at Module._compile (internal/modules/cjs/loader.js:722:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:733:10)
at Module.load (internal/modules/cjs/loader.js:620:32)
at tryModuleLoad (internal/modules/cjs/loader.js:560:12)
at Function.Module._load (internal/modules/cjs/loader.js:552:3)




I've tried to figure out this by installing npm install liftoff. This module was installed properly but still I cannot run grunt.



My gruntfile.js looks like this:



module.exports = function(grunt) {
'use strict';

grunt.initConfig({
watch: {
sass: {
files: ['sass/**', 'Gruntfile.js'],
tasks: ['sass'],
},
uglify: {
files: ['js/index.js', 'Gruntfile.js'],
tasks: ['uglify'],
}
},
sass: {
production: {
options: {
compress: true,
strictUnits: true
},
files: {
'styles.css': 'styles/styles.sass',
}
}
},
uglify: {
options: {
beautify: true,
mangle: false,
compress: {
drop_console: true
}
},
build: {
files: {
'index.min.js': ['js/index.js'],
}
}
}
});

grunt.registerTask('default', ['css', 'js']);
grunt.registerTask('css', ['sass']);
grunt.registerTask('js', ['uglify']);

grunt.loadNpmTasks('grunt-contrib-watch');
grunt.loadNpmTasks('grunt-contrib-sass');
grunt.loadNpmTasks('grunt-contrib-uglify');
};


What am I missing? I'm quite new to npm grunt so maybe solution is simple but I didn't find answer strictly related to 'liftoff' module. I'm trying to do this on Windows 7. Thanks for any help.










share|improve this question















I'm starting a simple HTML project with Bootstrap 4 where I want to use compiled sass. To do this I've installed grunt using node.js and later steps described on https://gruntjs.com/getting-started.



When I'm typing grunt command the result is:




Error: Cannot find module 'liftoff' at
Function.Module._resolveFilename
(internal/modules/cjs/loader.js:603:15)
at Function.Module._load (internal/modules/cjs/loader.js:529:25)
at Module.require (internal/modules/cjs/loader.js:658:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (C:Bitnaminodejs-7.3.0-0nodejsnode_modulesgrunt-clibingrunt:7:15)
at Module._compile (internal/modules/cjs/loader.js:722:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:733:10)
at Module.load (internal/modules/cjs/loader.js:620:32)
at tryModuleLoad (internal/modules/cjs/loader.js:560:12)
at Function.Module._load (internal/modules/cjs/loader.js:552:3)




I've tried to figure out this by installing npm install liftoff. This module was installed properly but still I cannot run grunt.



My gruntfile.js looks like this:



module.exports = function(grunt) {
'use strict';

grunt.initConfig({
watch: {
sass: {
files: ['sass/**', 'Gruntfile.js'],
tasks: ['sass'],
},
uglify: {
files: ['js/index.js', 'Gruntfile.js'],
tasks: ['uglify'],
}
},
sass: {
production: {
options: {
compress: true,
strictUnits: true
},
files: {
'styles.css': 'styles/styles.sass',
}
}
},
uglify: {
options: {
beautify: true,
mangle: false,
compress: {
drop_console: true
}
},
build: {
files: {
'index.min.js': ['js/index.js'],
}
}
}
});

grunt.registerTask('default', ['css', 'js']);
grunt.registerTask('css', ['sass']);
grunt.registerTask('js', ['uglify']);

grunt.loadNpmTasks('grunt-contrib-watch');
grunt.loadNpmTasks('grunt-contrib-sass');
grunt.loadNpmTasks('grunt-contrib-uglify');
};


What am I missing? I'm quite new to npm grunt so maybe solution is simple but I didn't find answer strictly related to 'liftoff' module. I'm trying to do this on Windows 7. Thanks for any help.







windows npm sass gruntjs






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 27 at 14:22

























asked Nov 21 at 9:24









nymphais

112




112












  • Since I didn't get the answer I've found out that any project on this computer has problem with grunt. And the error is the same. So it must be a global problem, not only with this project. I've reinstalled node.js and grunt but it didn't work. :( I've installed gulp and everything is ok.
    – nymphais
    Nov 27 at 14:20


















  • Since I didn't get the answer I've found out that any project on this computer has problem with grunt. And the error is the same. So it must be a global problem, not only with this project. I've reinstalled node.js and grunt but it didn't work. :( I've installed gulp and everything is ok.
    – nymphais
    Nov 27 at 14:20
















Since I didn't get the answer I've found out that any project on this computer has problem with grunt. And the error is the same. So it must be a global problem, not only with this project. I've reinstalled node.js and grunt but it didn't work. :( I've installed gulp and everything is ok.
– nymphais
Nov 27 at 14:20




Since I didn't get the answer I've found out that any project on this computer has problem with grunt. And the error is the same. So it must be a global problem, not only with this project. I've reinstalled node.js and grunt but it didn't work. :( I've installed gulp and everything is ok.
– nymphais
Nov 27 at 14:20

















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