How To Create a Shopify Theme

Creating a Shopify theme for an Online Store 2.0 (JSON Templates) using Shopify CLI, Liquid, & TailwindCSS.

Initial Theme Setup

• Create a basic theme structure:

  shopify theme init ThemeName --clone-url RepositoryThemeUrl

• Login Shopify Store:

  shopify login --store UrlOfShopifyStoreAdmin

• Select partner organization

• Update/Sync theme to your development store

  shopify theme serve

Tailwind CSS 2.2.7 setup

• Check if you are logged in

  shopify whoami

• Update/Sync theme to your development store

  shopify theme serve

• Initialize npm package manager

  npm init -y

• Install Tailwind CSS

  npm install -D tailwindcss postcss autoprefixer

• Create a new postcss.config.js file adding the following code

  module.exports = {
    plugins: {
      tailwindcss: {},
      autoprefixer: {},
    },
  };

• Initialize tailwind.config.js

npx tailwindcss init

• Create new folder src

• Create new file src/tailwind.css injecting the following tailwind features

@tailwind base;
@tailwind components;
@tailwind utilities;

• Delete /assets/application.css.liquid file

• Setup the Tailwind input and output css files npx tailwindcss -i ./src/tailwind.css -o ./assets/application.css

• Edit layout/theme.liquid file adding this code to the header

{{ content_for_header }}
    <!-- Header hook for plugins -->
    {{ 'application.css' | asset_url | stylesheet_tag }}
    <script src="{{ 'application.js' | asset_url }}" async></script>

Tailwind CSS 3.0 setup

• Check if you are logged in

  shopify whoami

• Update/Sync theme to your development store

  shopify theme serve

• Initialize npm package manager

  npm init -y

• Install Tailwind CSS

  npm install -D tailwindcss postcss autoprefixer

• Create a new postcss.config.js file adding the following code

  module.exports = {
    plugins: {
      tailwindcss: {},
      autoprefixer: {},
    },
  };

• Initialize tailwind.config.js

npx tailwindcss init

• Add the following code to tailwind.config.js

module.exports = {
  content: [
    "./assets/*.liquid",
    "./layout/*.liquid",
    "./sections/*.liquid",
    "./snippets/*.liquid",
    "./templates/*.liquid",
    "./templates/**/*.liquid",
    // you can also directly select all the liquid and json files
    // "./**/*.{liquid,json}",
  ],
  theme: {
    extend: {},
  },
  plugins: [],
};

• Create new folder src

• Create new file src/tailwind.css injecting the following tailwind utility classes

@tailwind base;
@tailwind components;
@tailwind utilities;

• Delete /assets/application.css.liquid file

• Setup the Tailwind input and output css files with the utility classes with the watch flag npx tailwindcss -i ./src/tailwind.css -o ./assets/application.css --watch

• Edit layout/theme.liquid file adding this code to the header

{{ content_for_header }}
    <!-- Header hook for plugins -->
    {{ 'application.css' | asset_url | stylesheet_tag }}
    <script src="{{ 'application.js' | asset_url }}" async></script>

JSON Templates

https://shopify.dev/themes/architecture/templates/json-templates