merge() — svelte Function Reference

Architecture documentation for the merge() function in nodes.js from the svelte codebase.

Function javascript Compiler Transformer called by 2

Entity Profile

Compiler→ Transformer→ merge() — svelte Function Reference

Dependency Diagram

graph TD
  23cf92f5_03a7_f07d_fe6f_d5ac1659d37e["merge()"]
  6e00a8f3_2371_ecf1_5a93_296f787aca83["ExpressionMetadata"]
  23cf92f5_03a7_f07d_fe6f_d5ac1659d37e -->|defined in| 6e00a8f3_2371_ecf1_5a93_296f787aca83
  524a9152_ab34_9e69_70d1_b4f6c414a673["build_class_directives_object()"]
  524a9152_ab34_9e69_70d1_b4f6c414a673 -->|calls| 23cf92f5_03a7_f07d_fe6f_d5ac1659d37e
  4fce48f1_e9d7_958a_ce38_30799ece4fc7["build_style_directives_object()"]
  4fce48f1_e9d7_958a_ce38_30799ece4fc7 -->|calls| 23cf92f5_03a7_f07d_fe6f_d5ac1659d37e
  style 23cf92f5_03a7_f07d_fe6f_d5ac1659d37e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/compiler/phases/nodes.js lines 141–151

	merge(source) {
		this.has_state ||= source.has_state;
		this.has_call ||= source.has_call;
		this.has_await ||= source.has_await;
		this.has_member_expression ||= source.has_member_expression;
		this.has_assignment ||= source.has_assignment;
		this.#blockers = null; // so that blockers are recalculated

		for (const r of source.references) this.references.add(r);
		for (const b of source.dependencies) this.dependencies.add(b);
	}