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isSlowConnection() — astro Function Reference

Architecture documentation for the isSlowConnection() function in index.ts from the astro codebase.

Function typescript CoreAstro RenderingEngine called by 2

Entity Profile

Dependency Diagram

graph TD
  fa17c239_9e46_24a4_170f_6c1482c21778["isSlowConnection()"]
  315e53ea_6d34_137c_ce5c_8c89aca90db9["index.ts"]
  fa17c239_9e46_24a4_170f_6c1482c21778 -->|defined in| 315e53ea_6d34_137c_ce5c_8c89aca90db9
  ea9541b4_bd9d_6d4f_5137_70ec3d7865b1["canPrefetchUrl()"]
  ea9541b4_bd9d_6d4f_5137_70ec3d7865b1 -->|calls| fa17c239_9e46_24a4_170f_6c1482c21778
  70bfc884_b3b0_e84b_4b73_06d369aade2b["elMatchesStrategy()"]
  70bfc884_b3b0_e84b_4b73_06d369aade2b -->|calls| fa17c239_9e46_24a4_170f_6c1482c21778
  style fa17c239_9e46_24a4_170f_6c1482c21778 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/astro/src/prefetch/index.ts lines 295–302

function isSlowConnection() {
	if ('connection' in navigator) {
		// Untyped Chrome-only feature: https://developer.mozilla.org/en-US/docs/Web/API/Navigator/connection
		const conn = navigator.connection as any;
		return conn.saveData || /2g/.test(conn.effectiveType);
	}
	return false;
}

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does isSlowConnection() do?
isSlowConnection() is a function in the astro codebase, defined in packages/astro/src/prefetch/index.ts.
Where is isSlowConnection() defined?
isSlowConnection() is defined in packages/astro/src/prefetch/index.ts at line 295.
What calls isSlowConnection()?
isSlowConnection() is called by 2 function(s): canPrefetchUrl, elMatchesStrategy.

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