default.test() — svelte Function Reference

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

Function javascript BuildSystem MessageProcessor

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

Dependency Diagram

graph TD
  f34ae896_3a9a_1c51_a5cb_492afe360054["default.test()"]
  410ea21e_f828_0340_9e9f_0dc545a24812["_config.js"]
  f34ae896_3a9a_1c51_a5cb_492afe360054 -->|defined in| 410ea21e_f828_0340_9e9f_0dc545a24812
  style f34ae896_3a9a_1c51_a5cb_492afe360054 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-legacy/samples/transition-js-each-unchanged/_config.js lines 8–28

	test({ assert, component, target }) {
		const divs1 = /** @type {NodeListOf<HTMLDivElement & { foo: number }>} */ (
			target.querySelectorAll('div')
		);
		assert.equal(divs1[0].foo, undefined);

		component.numbers = [1, 2, 5, 4, 3];
		const divs2 = target.querySelectorAll('div');

		assert.equal(divs1[0], divs2[0]);
		assert.equal(divs1[1], divs2[1]);
		assert.equal(divs1[2], divs2[2]);
		assert.equal(divs1[3], divs2[3]);
		assert.equal(divs1[4], divs2[4]);

		assert.equal(divs1[0].foo, undefined);
		assert.equal(divs1[1].foo, undefined);
		assert.equal(divs1[2].foo, undefined);
		assert.equal(divs1[3].foo, undefined);
		assert.equal(divs1[4].foo, undefined);
	}