default.test() — svelte Function Reference

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

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

Dependency Diagram

graph TD
  14280860_782f_f8ae_bc65_470d3c77b0d4["default.test()"]
  63fbcdfa_0bdb_1058_99ff_e78c20816d4e["_config.js"]
  14280860_782f_f8ae_bc65_470d3c77b0d4 -->|defined in| 63fbcdfa_0bdb_1058_99ff_e78c20816d4e
  style 14280860_782f_f8ae_bc65_470d3c77b0d4 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/svelte/tests/runtime-legacy/samples/transition-js-await-block/_config.js lines 19–43

	test({ assert, target, raf }) {
		const p = /** @type {HTMLParagraphElement & { foo: number }} */ (target.querySelector('p'));

		raf.tick(0);

		assert.equal(p.className, 'pending');
		assert.equal(p.foo, 0);

		raf.tick(50);
		assert.equal(p.foo, 0.5);

		fulfil(42);

		return promise.then(() => {
			raf.tick(80);
			const ps = /** @type {NodeListOf<HTMLParagraphElement & { foo: number }>} */ (
				target.querySelectorAll('p')
			);
			assert.equal(ps[0].className, 'pending');
			assert.equal(ps[1].className, 'then');
			assert.equal(ps[0].foo, 0.2);
			assert.equal(ps[1].foo, 0.3);
			raf.tick(100);
		});
	}