mirror of https://github.com/sveltejs/svelte
fix: improve member expression mutation logic (#9625)
* fix: improve member expression mutation logic * cleanup * Update .changeset/moody-frogs-exist.md --------- Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com>pull/9607/head
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---
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'svelte': patch
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---
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fix: improve member expression mutation logic
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>person.name.first = "dave"</button><h3>JSON output</h3><div>[{"name":{"first":"rob"}}]</div>`,
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async test({ assert, target }) {
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const button = target.querySelector('button');
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flushSync(() => {
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button?.click();
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});
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assert.htmlEqual(
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target.innerHTML,
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`<button>person.name.first = "dave"</button><h3>JSON output</h3><div>[{"name":{"first":"dave"}}]</div>`
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);
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}
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});
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<script>
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let people = $state([{name:{first:'rob'}}]);
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</script>
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{#each people as person}
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<button on:click={()=>{
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person.name.first = "dave";
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people = people;
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}}>person.name.first = "dave"</button>
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{/each}
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<h3>JSON output</h3>
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{#each people as person}
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<div>{JSON.stringify(people)}</div>
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{/each}
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