default.test() — svelte Function Reference

Architecture documentation for the default.test() function in _config.js from the svelte codebase.

Function javascript BuildSystem MessageProcessor

Entity Profile

BuildSystem→ MessageProcessor→ default.test() — svelte Function Reference

Dependency Diagram

graph TD
  917fe5d4_0af0_1096_4c26_3c02024023d9["default.test()"]
  c14c961e_ecda_c703_9c5a_82691a6860ea["_config.js"]
  917fe5d4_0af0_1096_4c26_3c02024023d9 -->|defined in| c14c961e_ecda_c703_9c5a_82691a6860ea
  style 917fe5d4_0af0_1096_4c26_3c02024023d9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-legacy/samples/transition-abort/_config.js lines 12–61

	async test({ assert, component, target, raf }) {
		component.visible = false;

		raf.tick(25);
		assert.htmlEqual(
			target.innerHTML,
			`
			<div style="opacity: 0.75;">a</div>
			<div style="opacity: 0.75;">a</div>
		`
		);

		// abort 1/4 through the outro transition
		await component.$set({
			visible: true,
			array: ['a', 'b', 'c']
		});

		raf.tick(25);

		raf.tick(50);
		assert.htmlEqual(
			target.innerHTML,
			// because outro is aborted it will be finished earlier with the intro than the new items
			`
			<div style="">a</div>
			<div style="opacity: 0.25;">b</div>
			<div style="opacity: 0.25;">c</div>

			<div style="">a</div>
			<div style="opacity: 0.25;">b</div>
			<div style="opacity: 0.25;">c</div>
		`
		);

		// intros of new items almost finished, aborted outro shouldn't overlap re-intro
		raf.tick(75);
		assert.htmlEqual(
			target.innerHTML,
			`
			<div style="">a</div>
			<div style="opacity: 0.5;">b</div>
			<div style="opacity: 0.5;">c</div>

			<div style="">a</div>
			<div style="opacity: 0.5;">b</div>
			<div style="opacity: 0.5;">c</div>
		`
		);
	}