A command-line application provide an load optimization solution for flutter web

Overview

一个命令行工具,针对flutter web加载慢和缓存问题提供了一套解决方案。

功能

  • 通过大文件分片和资源文件cdn化方式,优化flutter web页面加载慢问题。
  • 通过资源文件hash化,解决浏览器强缓存导致功能无法更新问题。

开始

局部安装

dev_dependencies:
  flutter_web_optimizer: ^1.0.0

全局安装

启用

flutter pub global activate flutter_web_optimizer

停用

flutter pub global deactivate flutter_web_optimizer

用法

app_web_optimizer

在项目的根目录下执行plugin命令和optimize命令

plugin 命令

plugin命令实现自动生成插件模板文件,可以在插件里面实现将资源文件上传至文件服务器上,例如腾讯的cos、阿里的oss;

flutter pub run flutter_web_optimizer plugin --path scripts/test_plugin.dart
or
flutter_web_optimizer plugin --path scripts/test_plugin.dart
  • path参数必传,指自定义plugin文件的位置。

optimize 命令

optimize命令针对flutter build web的打包产物作了大文件分片下载、资源文件hash化和资源文件cdn化三个优化。

flutter pub run flutter_web_optimizer optimize --asset-base http://192.168.101.93:9091/app/ --plugin scripts/test_plugin.dart
or 
flutter_web_optimizer optimize --asset-base http://192.168.101.93:9091/app/ --plugin scripts/test_plugin.dart
  • asset-base参数必传,一般是文件服务器上存储对应资源文件的地址,地址必须是/结尾
  • web-output参数非必传,指flutter web build的打包产物的文件夹位置,以当前命令行窗口为根路径,默认是build/web
  • plugin参数非必传,指插件文件位置,若需要将资源文件上传至服务器,则必传。cos_upload_plugin.dart文件已经实现了一套将资源文件上传至腾讯的cos的功能,可以参考。
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Comments
  • 不支持Flutter 3.3.10:Can't load Kernel binary: Invalid SDK hash.

    不支持Flutter 3.3.10:Can't load Kernel binary: Invalid SDK hash.

    [✓] Flutter (Channel stable, 3.3.10, on macOS 13.0 22A380 darwin-arm (Rosetta),
        locale zh-Hans-CN)
    environment:
      sdk: '>=2.18.5 <3.0.0'
    
    Can't load Kernel binary: Invalid SDK hash.
    No active package flutter_web_optimizer.
    

    现在是不是不支持 Flutter 3.3.10 ? 怎么跳过SDK版本检查,不然的话以后flutter版本有更新插件没有更新就不能用了吧?

    opened by sunjianan9900 7
  • 为什么使用后没有加载分包后的main.dart.js

    为什么使用后没有加载分包后的main.dart.js

    命令成功运行了,因为没有上传OSS,我就把上传OSS的脚本取消了,只把文件生成到本地

    flutter_web_optimizer optimize --asset-base http://127.0.0.1:8882/ --plugin scripts/upload.dart

    但是我看 flutter_service_worker.js 里面也没有修改文件名 然后我运行完分割脚本,用python在 build/web/ 目录下启动 python -m http.server 8882 结果打不开,错误是找不到 main.dart.js ,是哪一步有问题呢?不应该是去找main.dart.js 吧?

    image image

    求指教,我先不想自动上传,先手动上传也可以

    Doctor summary (to see all details, run flutter doctor -v):
    [✓] Flutter (Channel stable, 3.3.9, on macOS 13.0 22A380 darwin-arm (Rosetta),
        locale zh-Hans-CN)
    [✓] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
    [✓] Xcode - develop for iOS and macOS (Xcode 14.0)
    [✓] Chrome - develop for the web
    [✓] Android Studio (version 2021.3)
    [✓] IntelliJ IDEA Ultimate Edition (version 2018.1.5)
    [✓] IntelliJ IDEA Ultimate Edition (version 2021.1.3)
    [✓] VS Code (version 1.73.0)
    
    
    opened by sunjianan9900 6
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Barry
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