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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

Dependency Diagram

graph TD
  44f257fd_9438_accf_d89e_486a6a1a2906["default.test()"]
  97efa74f_2cf6_d8cd_4a40_f8b5eac14288["_config.js"]
  44f257fd_9438_accf_d89e_486a6a1a2906 -->|defined in| 97efa74f_2cf6_d8cd_4a40_f8b5eac14288
  style 44f257fd_9438_accf_d89e_486a6a1a2906 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/svelte/tests/runtime-legacy/samples/transition-js-each-outro-cancelled/_config.js lines 6–84

	test({ assert, component, target, raf }) {
		flushSync(() => {
			component.add();
			component.add();
		});

		let time = 0;

		raf.tick(0);

		assert.htmlEqual(
			target.innerHTML,
			`
			<section>
				<div t="0">Thing 1</div>
				<div t="0">Thing 2</div>
			</section>
		`
		);

		raf.tick((time += 400));

		assert.htmlEqual(
			target.innerHTML,
			`
			<section>
				<div t="1">Thing 1</div>
				<div t="1">Thing 2</div>
			</section>
		`
		);

		flushSync(() => {
			component.toggle();
		});
		// transition halfway
		raf.tick((time += 200));

		assert.htmlEqual(
			target.innerHTML,
			`
			<section t="0.5">
				<div t="1">Thing 1</div>
				<div t="1">Thing 2</div>
			</section>
		`
		);

		flushSync(() => {
			component.toggle();
		});
		// transition back
		raf.tick((time += 200));

		assert.htmlEqual(
			target.innerHTML,
			`
			<section t="1">
				<div t="1">Thing 1</div>
				<div t="1">Thing 2</div>
			</section>
		`
		);

		flushSync(() => {
			component.remove(1);
		});

		raf.tick((time += 400));

		assert.htmlEqual(
			target.innerHTML,
			`
			<section t="1">
				<div t="1">Thing 2</div>
			</section>
		`
		);
	}

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Defined In

Source

Frequently Asked Questions

What does default.test() do?
default.test() is a function in the svelte codebase, defined in packages/svelte/tests/runtime-legacy/samples/transition-js-each-outro-cancelled/_config.js.
Where is default.test() defined?
default.test() is defined in packages/svelte/tests/runtime-legacy/samples/transition-js-each-outro-cancelled/_config.js at line 6.

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