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image-oss-optimization-plugin

v0.0.10

Published

对于RN包体积比较大的问题,我们发现图片占据了大概80%的比例,因此衍生出了本库,用来减少RN包体积。

Downloads

3

Readme

概述

对于RN包体积比较大的问题,我们发现图片占据了大概80%的比例,因此衍生出了本库,用来减少RN包体积。

本项目主要实现两个功能

1、将本地图片上传至CDN

2、利用babel及AST抽象树,动态将本地资源替换为OSS地址

实现原理参考React Native本地图片替换OSS图片

使用

1、在主项目package.json 引入此依赖

npm install --save-dev image-oss-optimization-plugin

2、在主项目package.json,加入执行上传图片命令及配置babel

{
  "scripts": {
    "start": "yarn react-native start --reset-cache",
    "upload-image": "image-oss-optimization upload --target ./src"
  }
  "babel": {
    "plugins": [
      "module:image-oss-optimization-plugin"
    ]
  }
}

注意:start记得加上--reset-cache清理缓存

3、 在主项目新增文件为:根目录/upload-image-config.json,配置如下信息

{    
  "ossHost": "https://my.oss-cn-beijing.aliyuncs.com",
  "region": "oss-cn-beijing",
  "accessKeyId": "你的keyId",
  "accessKeySecret": "你的accessKeySecret",
  "bucket": "你的bucket",
  "ignoreImages": [ 
    "/src/images/navigation",
    "/src/images/ic_back.png"
  ]
}

| 参数 | 说明 | | ---- | ---- | | ossHost | 图片访问地址,访问地址+md5能访问到,如https://my.oss-cn-beijing.aliyuncs.com/4a8da6930cae6e4cae54d7bae3498fbc.png| | region | yourRegion填写Bucket所在地域。以华东1(杭州)为例,Region填写为oss-cn-hangzhou | | accessKeyId | 阿里云账号AccessKey拥有所有API的访问权限,风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维,请登录RAM控制台创建RAM用户 | | accessKeySecret | 阿里云账号accessKeySecret | | bucket | 阿里云Bucket名称 | | ignoreImages | 忽略文件,支持文件夹或文件,即不上传到OSS |

4、执行上传图片命令,如下所示

npm run upload-image

5、新增、替换、删除图片

重复4步骤

注意:删除图片只会更新upload-image-record.json文件记录,并不会删除OSS的图片

6、检查是否正常运行

开发环境 运行RN服务,看是否正常运行

打release包

打包模式下看包内容是否包含图片