deriveds() — svelte Function Reference

Architecture documentation for the deriveds() function in utils.js from the svelte codebase.

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Entity Profile

Compiler→ Transformer→ deriveds() — svelte Function Reference

Dependency Diagram

graph TD
  c2ad0578_181a_4701_2788_ba3b9ab69623["deriveds()"]
  be60a9d7_77eb_5ad3_ab7e_2f9bd93a3db1["Memoizer"]
  c2ad0578_181a_4701_2788_ba3b9ab69623 -->|defined in| be60a9d7_77eb_5ad3_ab7e_2f9bd93a3db1
  ed06b79a_37ce_dcd0_328f_d06d5b99809c["RenderTag()"]
  ed06b79a_37ce_dcd0_328f_d06d5b99809c -->|calls| c2ad0578_181a_4701_2788_ba3b9ab69623
  a56e6575_408a_3fdf_8d40_43c862426641["SlotElement()"]
  a56e6575_408a_3fdf_8d40_43c862426641 -->|calls| c2ad0578_181a_4701_2788_ba3b9ab69623
  2b6a1e4d_7060_eb43_d939_71517fa01ad9["build_component()"]
  2b6a1e4d_7060_eb43_d939_71517fa01ad9 -->|calls| c2ad0578_181a_4701_2788_ba3b9ab69623
  style c2ad0578_181a_4701_2788_ba3b9ab69623 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/compiler/phases/3-transform/client/visitors/shared/utils.js lines 73–77

	deriveds(runes = true) {
		return this.#sync.map((memo) =>
			b.let(memo.id, b.call(runes ? '$.derived' : '$.derived_safe_equal', b.thunk(memo.expression)))
		);
	}