gulp task SVG symbols

gulpfile.js

// See https://github.com/Hiswe/gulp-svg-symbols/

var gulp = require('gulp');
var filter = require('gulp-filter');

var cssFilter = filter('**/*.css');
var svgFilter = filter('**/*.svg');


gulp.task('svgsymbol', function () {

  return gulp.src('img/icons/**/*.svg')
    .pipe( require('gulp-plumber')() )
    .pipe( require('through2').obj(function ( file, enc, cb ) {

      var fileString = file.contents.toString()

      var titleRegex = /<title>.*<\/title>/gi
      var descRegex = /<desc>.*<\/desc>/gi
      var commentRegex = /<!--.*-->/gi
      var defsRegex = /<defs>.*<\/defs>/gi
      var mSShapeGroupRegex = / +sketch:type=\"MSShapeGroup\"/gi
      var mSPageRegex = / +sketch:type=\"MSPage\"/gi
      var mSLayerGroupRegex = / +sketch:type=\"MSLayerGroup\"/gi
      var fillRegex = / +fill=\".*\"/gi

      fileString = fileString.replace(titleRegex, '')
      fileString = fileString.replace(descRegex, '')
      fileString = fileString.replace(commentRegex, '')
      fileString = fileString.replace(defsRegex, '')
      fileString = fileString.replace(mSShapeGroupRegex, '')
      fileString = fileString.replace(mSPageRegex, '')
      fileString = fileString.replace(mSLayerGroupRegex, '')
      fileString = fileString.replace(fillRegex, '')

      file.contents = new Buffer( fileString )

        this.push( file )
        cb()

    }) )
    .pipe(
      require('gulp-svg-symbols')({
        id: 'icon-Svg--%f',
        className: '.icon-Svg--%f',
        fontSize: 32,
        css: true
      })
    )
    .pipe( cssFilter )
    .pipe( require('gulp-rename')('svg-symbols.less') )
    .pipe( gulp.dest('style/src/base/') )
    .pipe( cssFilter.restore() )
    .pipe( svgFilter )
    .pipe( require('gulp-rename')('svg-symbols.xml') )
    .pipe( gulp.dest('img/') )

});

gulp.task('default', ['svgsymbol']);