The use of vue-element-admin encountered and solutions

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This link: https://blog.csdn.net/qq_19107011/article/details/102769360

#Question one

import "core-js/modules/es6.regexp.constructor";
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

SyntaxError: Unexpected string
    at Module._compile (internal/modules/cjs/loader.js:872:18)

Solution
project root directory created
.env.development
plus configuration

VUE_CLI_BABEL_TRANSPILE_MODULES = true

Question two

failed to login

Solution, add the following configuration in .env.development

VUE_APP_BASE_API = '/api'

Question three

Mac reported node-sass version, packaged fail!
Solution:
1) because node node-sass version and there is a relationship
So, in this case, use the command, reinstall node-sass on the line

npm rebuild node-sass    

Question four

If question three solutions invalid, then it is possible on your Mac, there are different node version
can be unified about the version, use the brew maintenance.
Remove the extra node

sudo rm -rf /user/local/node

Reuse brew install node or upgrade
installation node

brew install node

upgrade

brew upgrade node

After reunification version, you need to set environment variables inside the node to
use the command to view the installation of the node address

~ » brew list node                                            
/usr/local/Cellar/node/12.10.0/bin/node

Configuring environment variables, you can / profile inside configuration in / etc, or configure the .zshrc inside
if the / etc / profile which is configured, but zsh not read the words, you can .zshrc
add a command to the end

source /etc/profile