关于前端:Xcode启动RN报错fsevents-unavailable

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fsevents unavailable

macOS fsevents unavailable (this watcher can only be used on Darwin)

安装文件监听

 革除本地原有的 watchman
npm r -g watchman 
英特尔 MAC 装置
brew install watchman 
M1 芯片 装置
arch -arm64 brew install watchman  

如果失败还能够应用如下命令 官网

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

装置时又有如下谬误

Error: Failure while executing; `tar --extract --no-same-owner --file /Users/xxxx/Library/Caches/Homebrew/downloads/f839b337f0ac1b367e2bdd72123940432a73834db77556858cefb671c2471aba--brotli-1.0.9.big_sur.bottle.tar.gz --directory /private/tmp/d20210623-7058-5w61ky` exited with 1. Here's the output:
tar: Error opening archive: Failed to open '/Users/xxxx/Library/Caches/Homebrew/downloads/f839b337f0ac1b367e2bdd72123940432a73834db77556858cefb671c2471aba--brotli-1.0.9.big_sur.bottle.tar.gz'

替换 homebrew-bottles

 如果应用的 bash 终端
vim ~/.bash_profile
增加配置
export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles
source ~/.bash_profile

#如果应用的是 zsh
vim ~/.zshrc
#增加配置
export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles
source ~/.zshrc

#配置完从新执行 brew install watchman

clone Homebrew 失败

还有一种状况 brew install watchman 是 clone Homebrew 那个能够关上 GitHub 的 https://github.com/Homebrew 手动进入目录 clone 相干依赖包

# 找到本人本地相干的目录地址 进入
cd /usr/local/Homebrew/Library/Taps/homebrew
#clone 一下两个依赖包即可
git clone https://github.com/Homebrew/homebrew-cask
git clone https://github.com/Homebrew/homebrew-core.git

全局装置 fsevents

yarn global add fsevents

brew link 报错

An unexpected error occurred during the brew link step The formula built, but is not symlinked into /usr/local Permission denied @ dir_s_mkdir – /usr/local/Frameworks

变更文件权限

sudo chown -R $(whoami):admin /usr/local/*

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