shared.ts — svelte Source File

Source Code

import * as fs from 'node:fs';
import { setImmediate } from 'node:timers/promises';
import { globSync } from 'tinyglobby';
import { createClassComponent } from 'svelte/legacy';
import { proxy } from 'svelte/internal/client';
import { flushSync, hydrate, mount, unmount } from 'svelte';
import { render } from 'svelte/server';
import { afterAll, assert, beforeAll, beforeEach } from 'vitest';
import { async_mode, compile_directory, fragments } from '../helpers.js';
import { assert_html_equal, assert_html_equal_with_options } from '../html_equal.js';
import { raf } from '../animation-helpers.js';
import type { CompileOptions } from '#compiler';
import { suite_with_variants, type BaseTest } from '../suite.js';
import { clear } from '../../src/internal/client/reactivity/batch.js';
import { hydrating } from '../../src/internal/client/dom/hydration.js';

type Assert = typeof import('vitest').assert & {
	htmlEqual(a: string, b: string, description?: string): void;
	htmlEqualWithOptions(
		a: string,
		b: string,
		opts: {
			preserveComments: boolean;
			withoutNormalizeHtml: boolean;
		},
		description?: string
	): void;
};

// TODO remove this shim when we can
// @ts-expect-error
Promise.withResolvers = () => {
	let resolve;
	let reject;

	const promise = new Promise((f, r) => {
		resolve = f;
		reject = r;
	});

	return { promise, resolve, reject };
};

export interface RuntimeTest<Props extends Record<string, any> = Record<string, any>>
	extends BaseTest {
	/** Use e.g. `mode: ['client']` to indicate that this test should never run in server/hydrate modes */
	mode?: Array<'server' | 'async-server' | 'client' | 'hydrate'>;
	/** Temporarily skip specific modes, without skipping the entire test */
	skip_mode?: Array<'server' | 'async-server' | 'client' | 'hydrate'>;
	/** Skip if running with process.env.SVELTE_NO_ASYNC */
	skip_no_async?: boolean;
	/** Skip if running without process.env.SVELTE_NO_ASYNC */
	skip_async?: boolean;
	html?: string;
	ssrHtml?: string;
	compileOptions?: Partial<CompileOptions>;
	props?: Props;
	server_props?: Props;
	id_prefix?: string;
	before_test?: () => void;
// ... (549 more lines)