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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
  63312751_1ad4_25d5_540f_b8a8fd6f3a51["default.test()"]
  1c90f1ea_307d_2a7f_a910_d2d327f9945a["_config.js"]
  63312751_1ad4_25d5_540f_b8a8fd6f3a51 -->|defined in| 1c90f1ea_307d_2a7f_a910_d2d327f9945a
  style 63312751_1ad4_25d5_540f_b8a8fd6f3a51 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/svelte/tests/runtime-runes/samples/value-attribute-null-undefined/_config.js lines 7–48

	async test({ assert, target }) {
		/**
		 * @type {HTMLInputElement | null}
		 */
		const input = target.querySelector('input[type=text]');
		/**
		 * @type {HTMLButtonElement | null}
		 */
		const setString = target.querySelector('#setString');
		/**
		 * @type {HTMLButtonElement | null}
		 */
		const setNull = target.querySelector('#setNull');
		/**
		 * @type {HTMLButtonElement | null}
		 */
		const setUndefined = target.querySelector('#setUndefined');

		ok(input);
		ok(setString);
		ok(setNull);
		ok(setUndefined);

		// value should always be blank string when value attribute is set to null or undefined

		assert.equal(input.value, '');
		setString.click();
		flushSync();
		assert.equal(input.value, 'foo');

		setNull.click();
		flushSync();
		assert.equal(input.value, '');

		setString.click();
		flushSync();
		assert.equal(input.value, 'foo');

		setUndefined.click();
		flushSync();
		assert.equal(input.value, '');
	}

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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-runes/samples/value-attribute-null-undefined/_config.js.
Where is default.test() defined?
default.test() is defined in packages/svelte/tests/runtime-runes/samples/value-attribute-null-undefined/_config.js at line 7.

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