legacy_recursive_reactive_block() — svelte Function Reference

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

Function javascript ClientRuntime LegacyBridge called by 1

Entity Profile

ClientRuntime→ LegacyBridge→ legacy_recursive_reactive_block() — svelte Function Reference

Dependency Diagram

graph TD
  7fd73251_96fd_3b54_0288_17c7ed2137b7["legacy_recursive_reactive_block()"]
  df278ca2_0a6c_fefe_09f2_b397500fe3c2["warnings.js"]
  7fd73251_96fd_3b54_0288_17c7ed2137b7 -->|defined in| df278ca2_0a6c_fefe_09f2_b397500fe3c2
  aabca1eb_a83c_814e_94aa_b3d3f9b9201c["run()"]
  aabca1eb_a83c_814e_94aa_b3d3f9b9201c -->|calls| 7fd73251_96fd_3b54_0288_17c7ed2137b7
  style 7fd73251_96fd_3b54_0288_17c7ed2137b7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/internal/client/warnings.js lines 167–173

export function legacy_recursive_reactive_block(filename) {
	if (DEV) {
		console.warn(`%c[svelte] legacy_recursive_reactive_block\n%cDetected a migrated \`$:\` reactive block in \`${filename}\` that both accesses and updates the same reactive value. This may cause recursive updates when converted to an \`$effect\`.\nhttps://svelte.dev/e/legacy_recursive_reactive_block`, bold, normal);
	} else {
		console.warn(`https://svelte.dev/e/legacy_recursive_reactive_block`);
	}
}