Having looked at, File to import not found or unreadable: susy, I was unable to get the answer.
My Partial gruntfile.js
sass: {
options: {
/** Only use include_paths if extracting elements from Node_Modules */
includePaths: ['node_modules/susy/sass']
}, //options
dist: {
options: {
outputStyle: 'expanded',
sourceMap: false,
require: 'susy'
},
files: {
'css/main.css': 'scss/main.scss'
}
}
}, // sass
My scss file
@import 'susy';