My working gruntfile.
module.exports = function(grunt) {
require('time-grunt')(grunt);
require('load-grunt-config')(grunt, {
jitGrunt: true
});
grunt.initConfig({
less: {
development: {
options: {
compress: false,
yuicompress: false,
optimization: 2,
sourceMap: true,
// sourceMapFilename: "assets/style/bootstrap.css.map",
sourceMapFilename: "style.css.map",
// sourceMapBasepath: "assets/style/"
sourceMapBasepath: "html/sites/all/themes/corvilla/css/"
},
files: {
// target.css file: source.less file
// "assets/style/bootstrap.css": "assets/style/bootstrap.less"
"html/sites/all/themes/corvilla/css/style.css" : "html/sites/all/themes/corvilla/less/style.less"
}
}
},
watch: {
styles: {
// Which files to watch (all .less files recursively in the less directory)
// files: ['assets/style/theme/**/*.less'],
files: ['html/sites/all/themes/corvilla/**/*.less'],
tasks: ['less'],
options: {
nospawn: true
}
}
}
});
grunt.loadNpmTasks('grunt-contrib-less');
grunt.loadNpmTasks('grunt-contrib-watch');
grunt.registerTask('default', ['watch']);
};