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Shopify Liquid Themes

Theme Architecture

.
├── sections/    # Full-width page modules with {% schema %} — hero, product grid, testimonials
├── blocks/      # Nestable components with {% schema %} — slides, feature items, text blocks
├── snippets/    # Reusable fragments via {% render %} — buttons, icons, image helpers
├── layout/      # Page wrappers (must include {{ content_for_header }} and {{ content_for_layout }})
├── templates/   # JSON files defining which sections appear on each page type
├── config/      # Global theme settings (settings_schema.json, settings_data.json)
├── locales/     # Translation files (en.default.json, fr.json, etc.)
└── assets/      # Static CSS, JS, images (prefer {% stylesheet %}/{% javascript %} instead)

When to use what

Liquid Syntax

Delimiters

• {{ ... }} — Output (prints a value)
• {{- ... -}} — Output with whitespace trimming
• {% ... %} — Logic tag (if, for, assign) — prints nothing
• {%- ... -%} — Logic tag with whitespace trimming

Operators

Comparison: ==, !=, >, <, >=, <= Logical: and, or, contains

Critical Gotchas

1. No parentheses in conditions — use nested {% if %} instead
2. No ternary — always use {% if cond %}value{% else %}other{% endif %}
3. for loops max 50 iterations — use {% paginate %} for larger arrays
4. contains only works with strings — can't check objects in arrays
5. {% stylesheet %}/{% javascript %} don't render Liquid — no Liquid inside them
6. Snippets can't access outer-scope variables — pass them as render params
7. include is deprecated — always use

Variables

{% assign my_var = 'value' %}
{% capture my_var %}computed {{ value }}{% endcapture %}
{% increment counter %}
{% decrement counter %}

Filter Quick Reference

Filters are chained with |. Output type of one filter feeds input of next.

Array: compact, concat, find, find_index, first, has, join, last, map, reject, reverse, size, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , (translate), , , , , , , ,

Full details: language filters, HTML/media filters, commerce filters

Tags Quick Reference

Full details with syntax and parameters: references/tags.md

Objects Quick Reference

Global objects (available everywhere)

cart, collections, customer, localization, pages, request, routes, settings, shop, template, theme, linklists, , , , , , , , , , , ,

Page-specific objects

Full reference: commerce objects, content objects, tier 2, tier 3

Schema Tag

Sections and blocks require {% schema %} with a valid JSON object. Sections use section.settings.*, blocks use block.settings.*.

Section schema structure

{
  "name": "t:sections.hero.name",
  "tag": "section",
  "class": "hero-section",
  "limit": 1,
  "settings": [],
  "max_blocks": 16,
  "blocks": [{ "type": "@theme" }],
  "presets": [{ "name": "t:sections.hero.name" }],
  "enabled_on": { "templates": ["index"] },
  "disabled_on": { "templates": ["password"] }
}

Block schema structure

{
  "name": "t:blocks.slide.name",
  "tag": "div",
  "class": "slide",
  "settings": [],
  "blocks": [{ "type": "@theme" }],
  "presets": [{ "name": "t:blocks.slide.name" }]
}

Setting type decision table

visible_if pattern

{
  "visible_if": "{{ block.settings.layout == 'vertical' }}",
  "type": "select",
  "id": "alignment",
  "label": "t:labels.alignment",
  "options": [...]
}

Conditionally shows/hides a setting in the editor based on other setting values.

Block entry types

• { "type": "@theme" } — Accept any theme block
• { "type": "@app" } — Accept app blocks
• { "type": "slide" } — Accept only the slide block type

Full schema details and all 33 setting types: references/schema-and-settings.md

CSS & JavaScript

Per-component styles and scripts

Use {% stylesheet %} and {% javascript %} in sections, blocks, and snippets:

{% stylesheet %}
  .my-component { display: flex; }
{% endstylesheet %}

{% javascript %}
  console.log('loaded');
{% endjavascript %}

• One tag each per file — multiple {% stylesheet %} tags will error
• No Liquid inside — these tags don't process Liquid; use CSS variables or classes instead
• Only supported in sections/, blocks/, and snippets/

{% style %} tag (Liquid-aware CSS)

For dynamic CSS that needs Liquid (e.g., color settings that live-update in editor):

{% style %}
  .section-{{ section.id }} {
    background: {{ section.settings.bg_color }};
  }
{% endstyle %}

CSS patterns for settings

Single CSS property — use CSS variables:

<div style="--gap: {{ block.settings.gap }}px">

Multiple CSS properties — use CSS classes as select values:

<div class="{{ block.settings.layout }}">

LiquidDoc ({% doc %})

Required for: snippets (always), blocks (when statically rendered via {% content_for 'block' %})

{% doc %}
  Brief description of what this file renders.

  @param {type} name - Description of required parameter
  @param {type} [name] - Description of optional parameter (brackets = optional)

  @example
  {% render 'snippet-name', name: value %}
{% enddoc %}

Param types: string, number, boolean, image, object, array

Translations

Every user-facing string must use the t filter

<!-- Correct -->
<h2>{{ 'sections.hero.heading' | t }}</h2>
<button>{{ 'products.add_to_cart' | t }}</button>

<!-- Wrong — never hardcode strings -->
<h2>Welcome to our store</h2>

Variable interpolation

{{ 'products.price_range' | t: min: product.price_min | money, max: product.price_max | money }}

Locale file:

{
  "products": {
    "price_range": "From {{ min }} to {{ max }}"
  }
}

Locale file structure

locales/
├── en.default.json          # English translations (required)
├── en.default.schema.json   # Editor setting translations (required)
├── fr.json                  # French translations
└── fr.schema.json           # French editor translations

Key naming conventions

• Use snake_case and hierarchical keys (max 3 levels)
• Use sentence case for all text (capitalize first word only)
• Schema labels use t: prefix: "label": "t:labels.heading"
• Group by component: sections.hero.heading, blocks.slide.title

References

• Filters: language (77), HTML/media (45), commerce (30)
• Tag reference (30 tags)
• Objects: commerce (5), content (10), tier 2 (69), tier 3 (53)
• Schema & settings reference (33 types)
• Complete examples (snippet, block, section)

Weekly Installs

527

Repository

benjaminsehl/li…d-skills

GitHub Stars

91

First Seen

Feb 23, 2026

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