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fis-deploy-delete-unused-images

v1.0.4

Published

delete unuesd images

Readme

fis-deploy-delete-unused-images

fis 产出到某个目录后,删除未被引用到的图片

需求场景

  • 合并雪碧图之后的原图
  • 视觉调整,更换或加入图片 上面两种场景下,fis 产出的目录中都会存在没有被引用的图片。

解决方式

重写 deploy,使用新的产出方式,在产出之前,做图片的过滤处理,未被引用的图片不产出到指定目录。

  • 获取所有图片 allList
  • 获取 html (原来的 scss inline到 html 中了)和 js (xxx.async.scss 异步 css 会以 js 的方式引入)中引用的图片 usedList, 通过在内容中查找 allList 中相应的图片
  • 求差值,得到未被引用的图片 list, 这部分图片不产出到目录。

疑问: 为啥不直接把 usedList 对应的图片产出到目录?

这里因为有 sprite 的问题,产出时会生成新的图片,但是不包含在 usedList 中

安装

npm install -g fis-deploy-delete-unused-images

配置

  • modules 里面加上

    fis.config.merge({
        modules: {
            deploy: ['default', 'delete-unused-images']
        }
    });
  • settings 加上

    fis.config.set('settings.deploy.delete-unused-images', {
        publish : {
            from : '/',
            to: '../dist'
        }
    });