Async_const() — svelte Function Reference

Architecture documentation for the Async_const() function in index.svelte.js from the svelte codebase.

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Entity Profile

BuildSystem→ QualityControl→ Async_const() — svelte Function Reference

Dependency Diagram

graph TD
  f7088908_1506_660d_cb1c_c429bf52f400["Async_const()"]
  21100631_4746_daef_990a_9d51bcbffbb1["index.svelte.js"]
  f7088908_1506_660d_cb1c_c429bf52f400 -->|defined in| 21100631_4746_daef_990a_9d51bcbffbb1
  style f7088908_1506_660d_cb1c_c429bf52f400 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/snapshot/samples/async-const/_expected/client/index.svelte.js lines 7–35

export default function Async_const($$anchor) {
	var fragment = $.comment();
	var node = $.first_child(fragment);

	{
		var consequent = ($$anchor) => {
			let a;
			let b;

			var promises = $.run([
				async () => a = (await $.save($.async_derived(async () => (await $.save(1))())))(),
				() => b = $.derived(() => $.get(a) + 1)
			]);

			var p = root_1();
			var text = $.child(p, true);

			$.reset(p);
			$.template_effect(() => $.set_text(text, $.get(b)), void 0, void 0, [promises[1]]);
			$.append($$anchor, p);
		};

		$.if(node, ($$render) => {
			if (true) $$render(consequent);
		});
	}

	$.append($$anchor, fragment);
}