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default.test() — svelte Function Reference

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

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Dependency Diagram

graph TD
  e33af8c1_4614_7f44_9a88_6af1c20ec264["default.test()"]
  dbb5e848_b62c_ec35_af5f_d5f5b06e94f6["_config.js"]
  e33af8c1_4614_7f44_9a88_6af1c20ec264 -->|defined in| dbb5e848_b62c_ec35_af5f_d5f5b06e94f6
  style e33af8c1_4614_7f44_9a88_6af1c20ec264 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/svelte/tests/runtime-legacy/samples/transition-js-each-block-keyed-intro/_config.js lines 12–51

	test({ assert, component, target, raf }) {
		let divs = /** @type {NodeListOf<HTMLDivElement & { foo: number }>} */ (
			target.querySelectorAll('div')
		);

		raf.tick(0);
		assert.equal(divs[0].foo, 0);
		assert.equal(divs[1].foo, 0);
		assert.equal(divs[2].foo, 0);

		raf.tick(50);
		assert.equal(divs[0].foo, 0.5);
		assert.equal(divs[1].foo, 0.5);
		assert.equal(divs[2].foo, 0.5);

		component.things = [{ name: 'a' }, { name: 'woo!' }, { name: 'b' }, { name: 'c' }];
		assert.htmlEqual(
			target.innerHTML,
			`
			<div>a</div>
			<div>woo!</div>
			<div>b</div>
			<div>c</div>
		`
		);
		divs = /** @type {NodeListOf<HTMLDivElement & { foo: number }>} */ (
			target.querySelectorAll('div')
		);
		raf.tick(50);
		assert.equal(divs[0].foo, 0.5);
		assert.equal(divs[1].foo, 0);
		assert.equal(divs[2].foo, 0.5);
		assert.equal(divs[3].foo, 0.5);

		raf.tick(75);
		assert.equal(divs[0].foo, 0.75);
		assert.equal(divs[1].foo, 0.25);
		assert.equal(divs[2].foo, 0.75);
		assert.equal(divs[3].foo, 0.75);
	}

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Defined In

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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-block-keyed-intro/_config.js.
Where is default.test() defined?
default.test() is defined in packages/svelte/tests/runtime-legacy/samples/transition-js-each-block-keyed-intro/_config.js at line 12.

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