LeaVerou/stretchy

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

1273 stars · 84 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Stretchy is a tiny standalone JavaScript library that automatically autosizes HTML form controls such as textareas, text inputs, and select menus. It works via a simple script include or ESM/CJS import, requires no configuration, and adapts to dynamically added elements using mutation observers.

Use cases

• autosize textareas to fit their content
• make text inputs grow with typed text
• resize select menus to fit their selected option
• autosize form controls added dynamically to the page
• autosize form controls inside shadow DOM web components
• restrict autosizing to specific form controls via a CSS selector

When to choose

• you want dependency-free, tiny (<1.5KB) form autosizing
• you need autosizing to work with plain HTML without writing JavaScript
• you need it to respect existing CSS constraints like min/max width and transitions
• you use web components and need Shadow DOM support

When to avoid

• you need a full form validation or form-building framework
• your project already uses a large UI framework with built-in autosizing components
• you need to support very old browsers not covered by v2

Facets

library · maturity maintenance

ui-components form-handling web-development frontend browser autosizing form-controls vanilla-js no-dependencies shadow-dom nodejs

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