mirror of https://github.com/sveltejs/svelte
fix: ensure proxy owner set always has 1 or more members (#10577)
* fix missing owners * regression test --------- Co-authored-by: Rich Harris <rich.harris@vercel.com>pull/10579/head
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---
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'svelte': patch
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---
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fix: inherit ownerlessness when creating child proxies
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import { test } from '../../test';
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/** @type {typeof console.warn} */
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let warn;
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/** @type {any[]} */
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let warnings = [];
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export default test({
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html: `<button>clicks: 0</button>`,
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compileOptions: {
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dev: true
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},
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before_test: () => {
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warn = console.warn;
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console.warn = (...args) => {
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warnings.push(...args);
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};
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},
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after_test: () => {
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console.warn = warn;
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warnings = [];
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},
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async test({ assert, target }) {
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const btn = target.querySelector('button');
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await btn?.click();
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assert.htmlEqual(target.innerHTML, `<button>clicks: 1</button>`);
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assert.deepEqual(warnings, []);
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}
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});
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<script>
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import { global } from './state.svelte.js';
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global.a = { b: 0 };
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</script>
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<button onclick={() => global.a.b += 1}>
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clicks: {global.a.b}
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</button>
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export let global = $state({});
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