node.js - Grunt - npm module not found -


i'm new grunt , i'm having trouble setting project new plugins.

so far have:

  1. installed grunt-cli globally
  2. installed grunt-init globally
  3. downloaded gruntfile template git repository
  4. created new directory 'test' , navigated directory in terminal
  5. created new grunt project template (grunt-init gruntfile)
  6. installed project dependencies (npm install)

this works great, want use different uglify plugin so, still in 'test' directory, run:

npm install uglify-js --save-dev

as i'm not using global flag, plugin downloads test/node_modules directory expected, existing @ test/node_modules/uglify-js. package.json file has been updated additional dependency:

"uglify-js": "^2.4.15"

i edit gruntfile.js, adding

grunt.loadnpmtasks('uglify-js');

and change 

grunt.registertask('default', ['jshint', 'qunit', 'concat', 'uglify']);

to 

grunt.registertask('default', ['concat', 'uglify-js']);

i run

npm install

to ensure dependencies downloaded, when run grunt task error:

local npm module "uglify-js" not found. installed? warning: task "uglify-js" not found. use --force continue.

anyone have idea i'm doing wrong?

mac os x 10.8.5, node v0.10.32

if want use uglifyjs whit grunt, should use grunt-contrib-uglify. install with:

npm install grunt-contrib-uglify --save-dev

enable inside gruntfile.js:

grunt.loadnpmtasks('grunt-contrib-uglify');

and run task:

grunt uglify

see docs more information.


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