grunt-remove/tasks/remove.js

Remove directory and files

/*
 * grunt-remove
 * https://github.com/nvoinov/grunt-remove
 *
 * Copyright (c) 2013 nvoinov
 * Licensed under the MIT license.
 */


'use strict';

var path = require('path'),
    fs = require('fs');

module.exports = function (grunt) {

    // Please see the Grunt documentation for more information regarding task
    // creation: http://gruntjs.com/creating-tasks
    grunt.registerMultiTask('remove', 'Remove directories and files.', function () {
        var options = this.options();
        var isTrace = options.trace === true ? true : false;
        var dirList = this.data.dirList;
        var fileList = this.data.fileList;
        var isExists = fs.existsSync || path.existsSync;

        var i = 0;

        var _trace = function (msg) {
            if (isTrace) {
                grunt.log.writeln(msg.toString());
            }
        };

        var delete_file = function (path) {
            try {
                fs.unlinkSync(path);
            } catch (e) {
                grunt.log.writeln('Unable to delete file: "' + path + '" Message : ' + e.toString());
            }
        };

        var delete_dir = function (path) {
            try {
                fs.rmdirSync(path);
            } catch (e) {
                grunt.log.writeln('Unable to delete directory: "' + path + '" Message : ' + e.toString());
            }
        };

        var isFile = function (path) {
            return fs.statSync(path).isFile()
        };

        var isDirectory = function (path) {
            return fs.statSync(path).isDirectory()
        };

        var delete_files_in_folder = function (dir) {
            var iFile = 0;
            var dFileList, filePath;

            try {
                dFileList = fs.readdirSync(dir);
            } catch (e) {
                grunt.log.writeln('Error read directory. ' + dir + ' Message : ' + e.toString());
                return;
            }
            if (dFileList.length > 0) {
                for (iFile = 0; iFile < dFileList.length; iFile += 1) {
                    filePath = path.resolve(dir, dFileList[iFile]);

                    if (isFile(filePath)) {
                        _trace('Delete file: ' + filePath);
                        delete_file(filePath);
                    } else {
                        if (isDirectory(filePath)) {
                            _trace('Delete files in directory: ' + filePath);
                            delete_files_in_folder(filePath);
                        }
                    }
                }
            }

            _trace('Delete directory: ' + dir);
            delete_dir(dir);
        };

        _trace('Start Delete directories...');

        if (dirList && dirList.length > 0) {
            for (i = 0; i < dirList.length; i += 1) {
                if (isExists(dirList[i])) {
                    delete_files_in_folder(dirList[i]);
                }
            }
        }

        _trace('Directories has been deleted.');
        _trace('Start delete files...');

        if (fileList && fileList.length > 0) {
            for (i = 0; i < fileList.length; i += 1) {
                _trace('Delete file: ' + fileList[i]);
                if (isExists(fileList[i])) {
                    if (isFile(fileList[i])) {
                        delete_file(fileList[i]);
                    }
                }
            }
        }
        _trace('Files has been deleted.');
    });
};