Vanilla Extract Has a Free API You Should Know About

Vanilla Extract is a zero-runtime CSS-in-TypeScript library. Write styles as TypeScript expressions, get type-safe, locally scoped CSS at build time.

Why Vanilla Extract for Type-Safe CSS

A design system team had CSS conflicts from global class names. CSS Modules helped but lacked type safety. Vanilla Extract gives them TypeScript imports for every style — typos are caught at compile time.

Key Features:

• Zero Runtime — All CSS generated at build time
• TypeScript — Full type safety and autocomplete
• Locally Scoped — No class name conflicts
• Theme Support — Type-safe theme contracts
• Framework Agnostic — Works with any framework

Quick Start

npm install @vanilla-extract/css

// button.css.ts
import { style } from "@vanilla-extract/css"

export const button = style({
  padding: "12px 24px",
  borderRadius: 8,
  backgroundColor: "#3b82f6",
  color: "white",
  ":hover": { backgroundColor: "#2563eb" }
})

import { button } from "./button.css"

function Button() {
  return <button className={button}>Click me</button>
}

Recipes

import { recipe } from "@vanilla-extract/recipes"

export const button = recipe({
  base: { padding: "12px 24px", borderRadius: 8 },
  variants: {
    color: { primary: { background: "blue" }, danger: { background: "red" } },
    size: { small: { fontSize: 14 }, large: { fontSize: 18 } }
  },
  defaultVariants: { color: "primary", size: "small" }
})

Why Choose Vanilla Extract

1. Type-safe — CSS errors caught at compile time
2. Zero runtime — no performance penalty
3. Scoped — impossible to have class conflicts

Check out Vanilla Extract docs to get started.

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