Problems with new PC configuration environment:

The node cannot be found, but when it is reinstalled, it will be prompted with node: or the node will report an error: no such keg: / usr / local / cellular / node

brew cleanup 

brew link node

brew uninstall node

brew uninstall –force node

brew install node

 

Install NVM command (node version management tool)

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash

Press finish to restart item

 

Install n (node version management tool)

 $ sudo npm install -g n

 

Brew installation command:

/usr/bin/ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install )”

 

 

Oh my Zsh. Git plug in installation command

sh -c “$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh )”

 

 

Git set alias

We just need to type a command and tell git, then st means status:

git config –global alias.s status

git config –global alias.c commit

git config –global alias.ck checkout

git config –global alias.a add

 

 

No bundle URL present

Appdelegate. M modify the generated code

jsCodeLocation = [NSURL URLWithString:@” http://127.0.0.1 :8081/ index.bundle?platform=ios&amp ;dev=false”];

 

New computer error reporting unit test error reporting jest.mock () is not allowed to reference any out-of-scope variables

Node version problem reduced to v8.12.0 or v6.11.3

 

If the node version switch is useless, please use:

NVM alias default v6.11.3 to modify the default node version