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How to Set Up a NextJS Project with TypeScript

 3 years ago
source link: https://iiiyu.com/2021/06/08/how-to-set-up-a-nextjs-project-with-typescript/
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How to Set Up a NextJS Project with TypeScript

Begin

I want to record how to setting up a NextJS project with TypeScript.

Let’s go

Create a NextJS Project

yarn create next-app --typescript [your project path]

Yes, I used yarn. I prefer yarn to npm.

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Add an EditorConfig File

Add .editorconfig file to root directory.

# EditorConfig is awesome: https://EditorConfig.org

# top-most EditorConfig file
root = true

# Unix-style newlines with a newline ending every file
[*]
end_of_line = lf
insert_final_newline = true

# Matches multiple files with brace expansion notation
# Set default charset
[*.{js,tsx}]
charset = utf-8
indent_style = space
indent_size = 2


# Matches the exact files either package.json or .travis.yml
[{package.json,.travis.yml}]
indent_style = space
indent_size = 2

Install Google TypeScript code style tools

npx install gst

.
.
.
Need to install the following packages:
  gts
Ok to proceed? (y) y

.
.
.
Already have devDependency for typescript:
-4.3.2
+^4.0.3
? Overwrite No
# I want to used latest TypeScript version. So I choose No

.
.
.
./tsconfig.json already exists
? Overwrite No
# We don't need to overwrite this file.

and need add a line code to tsconfig.json 

{
  ...
  "extends": "./node_modules/gts/tsconfig-google.json",
  ...
}

and remove src/index.ts

rm src/index.ts

Add VSCode setting.json

I used VSCode
Create new file .vscode/settings.json

{
  "editor.renderWhitespace": "all",
  "editor.defaultFormatter": "esbenp.prettier-vscode",
  "[javascript]": {
    "editor.formatOnSave": true
  },
  "[javascriptrect]": {
    "editor.formatOnSave": true
  },
  "[json]": {
    "editor.formatOnSave": true
  },
  "[typescript]": {
    "editor.formatOnSave": true
  },
  "[typescriptreact]": {
    "editor.formatOnSave": true
  }
}

Add TailWindCSS

I love tailwindcss. It is very useful. So I will add it on project.

Install Tailwind via

yarn add -D tailwindcss@latest postcss@latest autoprefixer@latest

Create your configuration files

npx tailwindcss init -p

Configure Tailwind to remove unused styles in production

// tailwind.config.js
 module.exports = {
   purge: ['./pages/**/*.{js,ts,jsx,tsx}', './components/**/*.{js,ts,jsx,tsx}'],
   darkMode: false, // or 'media' or 'class'
   theme: {
     extend: {},
   },
   variants: {
     extend: {},
   },
   plugins: [],
 }

Include Tailwind in your CSS

/* ./styles/globals.css */
@tailwind base;
@tailwind components;
@tailwind utilities;

Now you can begin your work!

yarn dev

Reference

NextJS Document
What is EditorConfig?
Google TypeScript Style
Getting started with Tailwind CSS

Photo by Ferenc Almasi on Unsplash


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