Install node, vue and other environment configurations in MAC environment

Web development generally involves some environment configuration. The last two articles I wrote were about the configuration of the back-end environment. Next, I would like to introduce the configuration of the front-end environment. Hope it can help Xiaobai.

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1. Node installation configuration

1. Download the installation version of node: https://nodejs.org/en/download/ Just "Next".

After the installation is completed, the page prompts:

This package has installed:

• Node.js v14.17.4 to /usr/local/bin/node

• npm v6.14.14 to /usr/local/bin/npm

Make sure that /usr/local/bin is in your $PATH.

1) After the installation is complete, use the command to test and check the node version: node - v

2) Since the new version of node will be installed together with npm, there is no need to install npm deliberately

Test whether npm is installed and check the version npm -v

3) If the installed version is an old version, you can use the npm command to upgrade:

$sudo npm install npm -g

4) Use cnpm Replace npm (optional)

Reason: When npm installs some dependencies, it uses some foreign websites

cnpm can save time when installing dependencies. You can check the details online, but there is no Necessary, just know that it is fast

Installation syntax:

$sudo npm install -g cnpm --registry=https://registry.npm.taobao.org

If there is a local project that you want to run, switch to the project directory and execute the following command, otherwise execute [Vue installation configuration first ]:

（1)$sudo npm install    
（2) $sudo npm run dev  #注意每次都要运行这行命令

2. Vue installation configuration

1. Install vue-cli scaffolding through nmp [Vue scaffolding tool is a command line tool that quickly generates Vue project structure]:

 $sudo npm install -g vue-cli

Test whether the installation is successful: vue does not report an error, no

not command found Just wait for the words [After the installation is successful, you can use the vue -V command to check whether the installation is successful. If the installation is successful, the version number of the currently installed scaffolding will be displayed]

2. To create a vue project, you need to use webpack

$sudo vue init  webpack qing        #如我的项目名qing

There will be confirmation of some things such as project name. Determine "yes" and "no" according to the project. For example:

? Project name yes
? Project description yes
? Author yes
? Vue build standalone
? Install vue-router? Yes
? Use ESLint to lint your code? Yes
? Pick an ESLint preset Standard
? Set up unit tests Yes
? Pick a test runner jest
? Setup e2e tests with Nightwatch? Yes
? Should we run `npm install` for you after the project has been created? (recom
mended) npm
  vue-cli · Generated "qing".

3. Enter the project directory

cd qing   #如我的项目名qing

4. Installation dependencies:

If cnpm has been installed, use:

$sudo cnpm install

If not installed, use:

$sudo npm install

After successful installation, the following prompt will appear:

up to date, audited 1854 packages in 39s
59 packages are looking for funding
 run `npm fund` for details
65 vulnerabilities (27 low, 19 moderate, 18 high, 1 critical)
To address issues that do not require attention, run:
 npm audit fix
To address all issues (including breaking changes), run:
 npm audit fix --force
Run `npm audit` for details.

5. After everything is installed, you can run it.

Note that before each run, it is best to use the command to start it once

$sudo npm run dev

This is the note I compiled, although this can be read It was easy enough to start with, but I had a lot of problems the first time I installed it. Networking is partly to blame. Some commands need to be executed over the wall.

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