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default.before_test() — svelte Function Reference

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

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Dependency Diagram

graph TD
  ec65d93c_47ff_45f4_297b_d93152d92050["default.before_test()"]
  78b9e3ed_7076_41d7_3085_d7c1fec652f5["_config.js"]
  ec65d93c_47ff_45f4_297b_d93152d92050 -->|defined in| 78b9e3ed_7076_41d7_3085_d7c1fec652f5
  style ec65d93c_47ff_45f4_297b_d93152d92050 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/svelte/tests/runtime-legacy/samples/window-bind-scroll-update/_config.js lines 8–30

	before_test() {
		vi.useFakeTimers();

		Object.defineProperties(window, {
			pageYOffset: {
				value: 0,
				configurable: true,
				writable: true
			},
			pageXOffset: {
				value: 0,
				configurable: true,
				writable: true
			}
		});
		original_scrollTo = window.scrollTo;

		// @ts-ignore
		window.scrollTo = (x, y) => {
			window.scrollX = x;
			window.pageYOffset = y;
		};
	},

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Frequently Asked Questions

What does default.before_test() do?
default.before_test() is a function in the svelte codebase, defined in packages/svelte/tests/runtime-legacy/samples/window-bind-scroll-update/_config.js.
Where is default.before_test() defined?
default.before_test() is defined in packages/svelte/tests/runtime-legacy/samples/window-bind-scroll-update/_config.js at line 8.

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