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    # 不寫 JS 也有行雲流水的前端體驗,AI 時代後端工程師的心流開發禪境 - 蘇泰安 taiansu {%hackmd o8oUosN0QnqMSkF1_6kH7g %} #### 📚 議程介紹 {%preview https://webconf.tw/agenda/37 %} #### 投影片連結 [https://u.tai.su/webconf2025](https://u.tai.su/webconf2025) ###### ▼▼▼ 開始筆記 ▼▼▼ ## 關鍵字 - Tidewave.ai - Phoenix LiveView - 實用的函數式編程 ## Tidewave.ai - 本體是兩組 MCP + 一個 Web app - 框架組會告訴模型此專案的各種資訊,例如怎麼找 package 、檔案放置位置、如何取得資料庫結構等 - 介面組有shell_eval及borwser_eval->所以他做完功能後,會自動操作瀏覽器,並驗證功能是否能順利操作 - 會反覆操作直到成功為止 Tidewave 支援 Rails, React, Django, FastAPI, Flask, Next.js ...etc 免費版每月20個指令,月費10 usd+ ## Why Phoenix - c- c 痛點 - PHP:SQL + HTML義大利麵? - Java spring mvc:XML Config地獄 - Rails:Server side rendering,只有簡單的前端互動介面 - YUI -> jQuery->React(react/flux,hook還不錯) - 但有前後端之牆問題 - SEO,重複驗證邏輯,行為要由前端發起,還要擔心XSS ### Phoenix LiveView:重新思考WebSocket - 驗證只要在後端寫一次就好 - 後端可以主動推送訊息給前端,再也不用long pooling - JavaScript可以在任何時候跟Server Side互動 ## 實用的函數式編程-elixir 特性 - 不是新技術 - 不用functor,monad等抽象概念 - immutable value - 天天用map,filter,reduce - 會把遞迴思考方式變習慣 弱點 - 抽象難上手:可以靠AI - 冷門:個人開發或小團隊就ok - package少: [pythonx](https://github.com/livebook-dev/pythonx) 或 [elixir-nodejs](https://github.com/revelrylabs/elixir-nodejs) 能直接介接 - 極端效能需求:用rustler寫Rust ### functional core, imperative shell - 真正進行計算的函數 + 流程型的函數(只關心順序) - 把只有副作用的函數抽離出來 ### Summary - AI工具鍊-> 找到讓他們合作的方式 - 讓技術棧變簡單 - 函數編程跟AI還有unit test(TDD/DDD)是天作之合 --- #### 聊天室 寫livewire的路過 > laravel boost + chromeDevTools 既視感 > 沒有tidewave包這麼漂亮ORZ 前端之前戰國時代是半年就過期吧 沒有18個月 XDD PHP 真的就看喜好 想SFC 還是MFC都有人支持 Phoenix語言特性 天生對websocket支援良好 最近很紅的Rust unwarp XD

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