await_waterfall() — svelte Function Reference

Architecture documentation for the await_waterfall() function in warnings.js from the svelte codebase.

Function javascript ClientRuntime Hydration called by 1

Entity Profile

ClientRuntime→ Hydration→ await_waterfall() — svelte Function Reference

Dependency Diagram

graph TD
  de87a524_1ff9_86f2_70cf_dcbdcfa4e3b0["await_waterfall()"]
  df278ca2_0a6c_fefe_09f2_b397500fe3c2["warnings.js"]
  de87a524_1ff9_86f2_70cf_dcbdcfa4e3b0 -->|defined in| df278ca2_0a6c_fefe_09f2_b397500fe3c2
  a387a36f_f417_a149_0b1a_ee4a1da63440["async_derived()"]
  a387a36f_f417_a149_0b1a_ee4a1da63440 -->|calls| de87a524_1ff9_86f2_70cf_dcbdcfa4e3b0
  style de87a524_1ff9_86f2_70cf_dcbdcfa4e3b0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/internal/client/warnings.js lines 38–44

export function await_waterfall(name, location) {
	if (DEV) {
		console.warn(`%c[svelte] await_waterfall\n%cAn async derived, \`${name}\` (${location}) was not read immediately after it resolved. This often indicates an unnecessary waterfall, which can slow down your app\nhttps://svelte.dev/e/await_waterfall`, bold, normal);
	} else {
		console.warn(`https://svelte.dev/e/await_waterfall`);
	}
}