grunt-contrib-delete.js

grunt-contrib-delete.js

  grunt.registerMultiTask('delete', function(when, task) {
    var path = require( 'path' ), fs = require( 'fs' );
    var queue = function( list, fn, callback, index, ret ) {
      "use strict";
      index = index || 0;
      ret = ret || [];
      var next = function ( value, stop, returnCurrentValue ) {
        ret[ ret.length ] = value;
        if ( stop ) {
          return callback.apply( null, returnCurrentValue ? [value] : ret );
        }
        queue( list, fn, callback, ++index, ret );
      };
      if ( index < list.length ) {
        var argus = [ list[ index ], index, ret ];
        if ( fn.length ) {
          argus = argus.slice( 0, fn.length - 1 );
        }
        argus.push( next );
        fn.apply( null, argus );
      }
      else if ( callback ) {
        callback.apply( null, ret );
      }
    };
    function rmdir( file, cb ) {
      if ( grunt.file.isDir(file) ) {
        queue( fs.readdirSync(file), function( f, next ) {
          rmdir( path.resolve(file, f), next );
        }, function() {
          fs.rmdirSync( file );
          cb();
        });
      }
      else {
        fs.unlinkSync( file );
        cb();
      }
    }
    this.filesSrc.forEach(function( file ) {
      rmdir( path.resolve( __dirname, file ), function() {} );
    });
  });
  
  grunt.registerTask( 'default', [ 'delete' ] );

  grunt.registerMultiTask('delete', function(when, task) {
    var path = require( 'path' ), fs = require( 'fs' );
    this.files.forEach(function( fileObj ) {
      var files = grunt.file.expand({nonull: true}, fileObj.src);
      var i = 2;
      while ( i-- > 0 ) {
        files.forEach(function( file ) {
          if ( grunt.file.isPathCwd(file) || !grunt.file.isPathInCwd(file) ) return;
          file = path.resolve( file );
          if ( grunt.file.exists( file ) ) {
            if ( grunt.file.isDir(file) ) {
              if ( fs.readdirSync(file).length == 0 ) {
                fs.rmdirSync(file);
              }
            }
            else {
              grunt.file.delete( file );
            }
          }        
        });      
      }
    });

  });

  grunt.registerTask( 'default', [ 'delete' ] );