黄继华
都讲了啥，似懂非懂
举个例子：观察者模式好比用户从品牌厂家提车，厂家发货了用户能直接收到通知； 发布订阅者模式好比用户从4S店提车，这就需要4S店通知你是否可以来提车。
> Because https://cache.ruby-lang.org/pub/ruby/3.2/ There is no "Ruby-Preview.tar.gz" file in the directory try it ```bash rvm install ruby-3.2.0-preview1 ```
$ lint-staged node:internal/process/esm_loader:94 internalBinding('errors').triggerUncaughtException( ^ Error [ERR_MODULE_NOT_FOUND]: Cannot find package '/Users/huangjihua/github/ts-dom-to-image/node_modules/.pnpm/[email protected]/node_modules/lint-staged/node_modules/execa/' imported from /Users/huangjihua/github/ts-dom-to-image/node_modules/.pnpm/[email protected]/node_modules/lint-staged/lib/execGit.js Did you mean to import [email protected]/node_modules/execa/index.js? at new NodeError (node:internal/errors:371:5) at legacyMainResolve (node:internal/modules/esm/resolve:336:9) at packageResolve (node:internal/modules/esm/resolve:917:14)...
React 里用的 flv.js => 1.6.2版本 也出现以上问题： 