a plugin for gulp to custom you image url inline css file, and support output image file, then you can upload image file to Cloud CDN.
JavaScript HTML CSS
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Permalink
Failed to load latest commit information.
test
.coveralls.yml
.gitignore
.npmignore
.travis.yml
LICENSE
README.md
index.js
package.json

README.md

gulp-custom-css-urls

Build Status via Travis CI Coverage Status

a plugin for gulp to custom you image url inline css file, and support output image file, then you can upload image file to Cloud CDN.

usage

var customCssUrls = require('gulp-custom-css-urls');
var gulp = require('gulp');
var path = require('path');
gulp.task('cssDemo',function(){
  return gulp.src('assets/**/*.css')
    .pipe(customCssUrls({
      /** 
       * static filepath relative absolute filepath's physical position. 
       * eg: 
       * image path inline css is '/images/demo.png', 
       * image absoulte filepath is '/Users/Navy/Desktop/code/demo/assets/images/demo.png', 
       * the process(process.cwd()) path is '/Users/Navy/Desktop/code/demo', 
       * so the image path relative website root path is 'assets/'
      */
      staticfile_relative_website_rootpath: 'assets/', 
      outputImage: true, // output images file , default to false
      outputImage_path: './.gulp_dist_output_images', // default to './.gulp_dist_output_images'
      modify: function (imageRelativePath, cssFilePath, imageRelativeWebsiteRootPath, imgInfo) {
        // modify image url before prepend or append
        // the imgInfo param is object, {hash: 3503865059, width: 1782, height: 530, orgin_filename: 'custom.png'}
        return path.join(imageRelativeWebsiteRootPath, path.basename(imageRelativePath)); //let the relative path become an absolute path
      },
      prepend: '', // prepend string before image url
      append: '', // append string after image url
      processPath: process.cwd() // custom process path , default to process.cwd()
    }))
    .pipe(gulp.dest('tmp/'));
});
gulp.task('jadeDemo',function() {
  return gulp.src('views/test.jade')
    .pipe(customCssUrls({
      staticfile_relative_website_rootpath: staticfile_relative_website_rootpath,
      modify: function (imageRelativePath, cssFilePath, imageRelativeWebsiteRootPath, imgInfo) {
        imageRelativePath.should.equal('example_1968_920.1373564769.png');
        imageRelativeWebsiteRootPath.should.equal('/images');
        imgInfo.should.have.properties({hash: 1373564769, width: 1968, height: 920, orgin_filename: 'example.png' });
        return path.join(imageRelativeWebsiteRootPath, imageRelativePath);
      },
      outputImage: true,
      ext: 'jade',
      outputImage_path: './.test_dist_img'
    }))
});

//rollback template content
gulp.task('returnToOrigin', function() {
  return gulp.src('views/forcemodify.html')
    .pipe(customCssUrls({
      forceModify: function (imageUrl, filePath) {
        var qiniu_host = 'https://demo.com';
        var ext = path.extname(imagesUrl);
        if (!ext) {
        return imagesUrl;
        }
        return imagesUrl.replace(ext, '').replace(qiniu_host, '').replace(/_\d{1,}_\d{1,}\.\d{1,}$/, '') + ext;
      },
      ext: 'html'
    }))
    .pipe(gulp.dest('views/'))
});
gulp.task('default',['cssDemo']);
gulp.task('jade',['jadeDemo']);
gulp.task('originTemplateContent',['returnToOrigin']);

//css file content, input:

div{background-image: url('/images/example.png');}

// output filename formats: (filename + '' + imgWidth + '' + imgHeight + '.' + crc32 + ext)

div{background-image: url('/images/example_width_height.hash.png');}

test

  • npm test
  • npm run cov

change log

  • 0.3.0

    feature support:
      image src support leftspace and rightspace.
    
  • 0.2.2

    bug fix:
      when template contain script, and have code xxx.src=xxx, will cause bug.
    
  • 0.2.0

    add option forceModify:
      which is a function , change url and direct return result.
    
  • 0.1.0

    add option ext:
      which support css, html ,jade, default css.
    add option skip:
      which is a array, url will skip when contain character in skip array.
    
  • 0.0.1

    only support css file.