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社区首页 >专栏 >Node JS World

Node JS World

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绿巨人
发布2019-03-01 15:57:51
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发布2019-03-01 15:57:51
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文章被收录于专栏:绿巨人专栏

Node JS World

Environment

tested on Ubuntu

Install nvm/node/npm/yarn

  • nvm : node version manager
  • node: node js
  • npm: node package manager
代码语言:javascript
复制
# goto the nvm office website and find the latest version, e.g. 0.34.0

# install nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash

# list remote versions
nvm ls-remote

# install the latest on
nvm install v11.8.0

# use the version
nvm use v11.8.0

# always default to the latest available node version on a shell
nvm alias default node
  • yarn: a faster node package manager
代码语言:javascript
复制
# configure repository
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list

# install yarn
sudo apt-get update && sudo apt-get install yarn

Yarn

代码语言:javascript
复制
# add a package global
yarn global add create-react-app

# add a package local and save to dependencies
yarn add prismjs

# add a package local and save to devDependencies
yarn add gulp --dev

# add a package local and save to peerDependencies
yarn add prismjs --peer

# add a package local and save to optionalDependencies
yarn add prismjs --optional

React

  • installation
代码语言:javascript
复制
# install create-react-app
yard global add create-react-app

# create a react application
npx create-react-app my-app

Development

dependencies vs devDependencies vs peerDependencies vs bundleDependencies

  • npm install will get:
    • dependencies: installed
    • devDependencies: installed
    • bundelDependencies: indirectly installed via the packed way
    • peerDependencies: a warning message
  • npm install --production will get:
    • dependencies: installed
    • bundelDependencies: indirectly installed via the packed way
    • peerDependencies: a warning message

npm pack will pack bundelDependencies

when to use devDependencies

  • you do not want the package will be installed on the production environment, e.g. testing/utility packages.

when to use bundelDependencies

  • you modified a dependency, so you do not want to use the one from npm registry
  • you own projects

when to use peerDependencies

  • you know there would be multiple incompatible versions, and need customers to solve the dependency manually.

Development Tools

  • npx: node package runner
  • babel: a JavaScript compiler. put in next-gen JavaScript -> Get browser-compatible JavaScript out
  • gulp: a task management office website
    • install and start
代码语言:javascript
复制
## Install the gulp command line utility
npm install gulp-cli -g

## Install the gulp package in your devDependencies
## cd <project folder>
npm install gulp --save-dev

## Verify your gulp versions
gulp --help

## new a gulp task file
touch gulpfile.js

ESLint

The pluggable linting utility for JavaScript and JSX

  • install and start
代码语言:javascript
复制
# install the eslint package in your devDependencies
yarn add eslint --dev
yarn add eslint-config-react-app --dev
yarn add eslint-plugin-import --dev
yarn add eslint-plugin-flowtype --dev
yarn add eslint-plugin-jsx-a11y --dev
yarn add eslint-plugin-react --dev
yarn add flow-bin --dev

## check version
npm run lint -v
## or ./node_modules/eslint/bin/eslint.js -v
yarn flaw version
  • configure eslint new a project root file: .eslintrc
代码语言:javascript
复制
{
  "extends": [
    "react-app",
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "plugins": [
    "react"
  ],
  "settings": {
    "react": {
      "createClass": "createReactClass",
      "pragma": "React",
      "version": "detect",
      "flowVersion": "0.53"
    },
    "propWrapperFunctions": [
      "forbidExtraProps",
      {
        "property": "freeze",
        "object": "Object"
      },
      {
        "property": "myFavoriteWrapper"
      }
    ],
    "linkComponents": [
      "Hyperlink",
      {
        "name": "Link",
        "linkAttribute": "to"
      }
    ]
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "rules": {
    "no-console": "off"
  }
}
  • disable a rule for a line
代码语言:javascript
复制
// eslint-disable-next-line no-console
  • disable a rule for a file
代码语言:javascript
复制
/* eslint-disable no-console */
  • disable a rule for the project via package.json
代码语言:javascript
复制
    "rules": {
      "no-console": "off"
    }
  • configure flow
代码语言:javascript
复制
# crete .flowconfig
yarn flaw init

edit .flowconfig

代码语言:javascript
复制
[ignore]
.*/node_modules/config-chain/.*

[include]

[libs]

[lints]
all=warn

[options]

[strict]
nonstrict-import
unclear-type
untyped-import
untyped-type-import
unsafe-getters-setters
sketchy-null
  • check rules
代码语言:javascript
复制
yarn lint
yarn flaw
  • To fix formatting errors, run the following:
代码语言:javascript
复制
yarn lint -- --fix

husky

Git hooks made easy - Husky can prevent bad git commit, git push and more ? woof!

  • install
代码语言:javascript
复制
npm install husky --save-dev
  • configure
代码语言:javascript
复制
// package.json
{
  "husky": {
    "hooks": {
      "pre-commit": "npm test",
      "pre-push": "npm test",
      "...": "..."
    }
  }
}
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目录
  • Node JS World
    • Environment
      • Install nvm/node/npm/yarn
        • Yarn
      • React
        • Development
          • dependencies vs devDependencies vs peerDependencies vs bundleDependencies
          • Development Tools
          • ESLint
          • husky
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      问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档