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proxy.test.ts — svelte Source File

Architecture documentation for proxy.test.ts, a typescript file in the svelte codebase. 3 imports, 0 dependents.

File typescript ClientRuntime 3 imports

Entity Profile

Dependency Diagram

graph LR
  7227d5bc_9d91_206c_bca5_1ec8553c6070["proxy.test.ts"]
  71020d3b_ab64_9fea_2a06_dab93412f92f["proxy.js"]
  7227d5bc_9d91_206c_bca5_1ec8553c6070 --> 71020d3b_ab64_9fea_2a06_dab93412f92f
  c55b2607_d45b_c327_8826_7bdf245d80f6["proxy"]
  7227d5bc_9d91_206c_bca5_1ec8553c6070 --> c55b2607_d45b_c327_8826_7bdf245d80f6
  b63ddb92_634c_990b_eb1b_0bad8a4d434e["vitest"]
  7227d5bc_9d91_206c_bca5_1ec8553c6070 --> b63ddb92_634c_990b_eb1b_0bad8a4d434e
  style 7227d5bc_9d91_206c_bca5_1ec8553c6070 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

import { proxy } from './proxy';
import { assert, test } from 'vitest';

test('does not mutate the original object', () => {
	const original = { x: 1 };
	const state = proxy(original);

	state.x = 2;

	assert.equal(original.x, 1);
	assert.equal(state.x, 2);
});

test('preserves getters', () => {
	let count = 0;
	const original = {
		count: 0,
		get x() {
			this.count += 1;
			count += 1;
			return 42;
		}
	};

	const state = proxy(original);

	// eslint-disable-next-line @typescript-eslint/no-unused-expressions
	state.x;
	// eslint-disable-next-line @typescript-eslint/no-unused-expressions
	state.x;

	assert.equal(original.count, 0);
	assert.equal(count, 2);
	assert.equal(state.count, 2);
});

test('defines a property', () => {
	const original = { y: 0 };
	const state = proxy<any>(original);

	let value = 0;

	Object.defineProperty(state, 'x', {
		value: 1
	});
	Object.defineProperty(state, 'y', {
		value: 1
	});

	assert.equal(state.x, 1);
	assert.deepEqual(Object.getOwnPropertyDescriptor(state, 'x'), {
		configurable: true,
		writable: true,
		value: 1,
		enumerable: true
	});

	assert.ok(!('x' in original));
	assert.deepEqual(Object.getOwnPropertyDescriptor(original, 'y'), {
		configurable: true,
// ... (74 more lines)

Domain

Dependencies

Source

Frequently Asked Questions

What does proxy.test.ts do?
proxy.test.ts is a source file in the svelte codebase, written in typescript. It belongs to the ClientRuntime domain.
What does proxy.test.ts depend on?
proxy.test.ts imports 3 module(s): proxy, proxy.js, vitest.
Where is proxy.test.ts in the architecture?
proxy.test.ts is located at packages/svelte/src/internal/client/proxy.test.ts (domain: ClientRuntime, directory: packages/svelte/src/internal/client).

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