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
  e9dd67d5_2534_0a2b_9d70_cbd0e868b6f5["default.test()"]
  5199ae17_f544_57d6_053d_a6f976298800["_config.js"]
  e9dd67d5_2534_0a2b_9d70_cbd0e868b6f5 -->|defined in| 5199ae17_f544_57d6_053d_a6f976298800
  style e9dd67d5_2534_0a2b_9d70_cbd0e868b6f5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-legacy/samples/animation-css/_config.js lines 24–61

	test({ assert, component, target, raf }) {
		let divs = target.querySelectorAll('div');
		divs.forEach((div) => {
			// @ts-expect-error
			div.getBoundingClientRect = function () {
				// @ts-expect-error
				const index = [...this.parentNode.children].indexOf(this);
				const top = index * 30;

				return {
					left: 0,
					right: 100,
					top,
					bottom: top + 20
				};
			};
		});

		component.things = [
			{ id: 5, name: 'e' },
			{ id: 2, name: 'b' },
			{ id: 3, name: 'c' },
			{ id: 4, name: 'd' },
			{ id: 1, name: 'a' }
		];

		raf.tick(0);

		divs = target.querySelectorAll('div');
		assert.ok(divs[0].getAnimations().length > 0);
		assert.equal(divs[1].getAnimations().length, 0);
		assert.equal(divs[2].getAnimations().length, 0);
		assert.equal(divs[3].getAnimations().length, 0);
		assert.ok(divs[4].getAnimations().length > 0);

		raf.tick(100);
		assert.deepEqual([divs[0].getAnimations().length, divs[4].getAnimations().length], [0, 0]);
	}