pascalCase()

pascalCase(str): string

Converts a string to PascalCase.

note

Handles kebab-case, snake_case, camelCase, and space-separated strings. Delegates word parsing to camelCase for consistency.

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Parameters

str: string

The string to convert.

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Returns: string

The string in PascalCase.

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See Also

camelCase

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Since

2.0.0

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Performance

O(n) where n is string length. Single pass via camelCase + O(1) uppercase.

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Also known as

pascal (Radashi) · pascalCase (es-toolkit, Modern Dash) · ❌ (Lodash, Remeda, Ramda, Effect, Antfu)

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Example

pascalCase('hello-world');      // => 'HelloWorld'
pascalCase('background_color'); // => 'BackgroundColor'
pascalCase('foo bar');          // => 'FooBar'
pascalCase('helloWorld');       // => 'HelloWorld'
pascalCase('XMLHttpRequest');   // => 'XmlHttpRequest'

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How it works?

Converts a string to PascalCase format. Each word capitalized, no separators.

Conversion Examples

Input	Output
hello-world	HelloWorld
background_color	BackgroundColor
foo bar	FooBar
helloWorld	HelloWorld

Relationship with camelCase

PascalCase = camelCase with first letter uppercase.

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Use Cases

Generate component names 📌

Convert strings to PascalCase for React component names or class definitions. Essential for scaffolding tools.

#generate#components#PascalCase#React#classes#scaffolding#design system

const component = pascalCase('nav_bar'); // 'NavBar'