default.test() — svelte Function Reference

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

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

Dependency Diagram

graph TD
  5d01d39c_cc8e_0a1f_e6e9_a05db6fa6411["default.test()"]
  85b6f083_0984_0573_ef77_fcbddf55588b["_config.js"]
  5d01d39c_cc8e_0a1f_e6e9_a05db6fa6411 -->|defined in| 85b6f083_0984_0573_ef77_fcbddf55588b
  style 5d01d39c_cc8e_0a1f_e6e9_a05db6fa6411 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/svelte/tests/runtime-runes/samples/attribute-if-string/_config.js lines 4–23

	test({ assert, target, variant, hydrate }) {
		function check(/** @type {boolean} */ condition) {
			const divs = /** @type {NodeListOf<HTMLDivElement>} */ (
				target.querySelectorAll(`.translate-${condition} div`)
			);

			divs.forEach((div, i) => {
				assert.equal(div.translate, condition, `${i + 1} of ${divs.length}: ${div.outerHTML}`);
			});
		}

		check(false);
		check(true);

		if (variant === 'hydrate') {
			hydrate();
			check(false);
			check(true);
		}
	}