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https://github.com/danieldiekmeier/happy-dom-svelte5-repro

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Host: GitHub
URL: https://github.com/danieldiekmeier/happy-dom-svelte5-repro
Owner: danieldiekmeier
Created: 2024-11-04T14:12:06.000Z (11 days ago)
Default Branch: main
Last Pushed: 2024-11-04T14:20:40.000Z (11 days ago)
Last Synced: 2024-11-04T15:29:17.582Z (11 days ago)
Language: TypeScript
Size: 15.6 KB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

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README

        # Reproduction

Reproduction for [testing-library/svelte-testing-library/issues/407](https://github.com/testing-library/svelte-testing-library/issues/407).

1. Install dependencies with `pnpm install`

2. Run the specs with `pnpm test`

3. You should see this error:

```

TypeError: Cannot read properties of null (reading 'Symbol(nodeArray)')

 ❯ get firstChild node_modules/.pnpm/[email protected]/node_modules/happy-dom/src/nodes/node/Node.ts:272:25

 ❯ get_first_child node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/dom/operations.js:85:28

     83|  * @returns {Node | null}

     84|  */

     85| /*@__NO_SIDE_EFFECTS__*/

       |                            ^

     86| export function get_next_sibling(node) {

     87|  return next_sibling_getter.call(node);

 ❯ Module.child node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/dom/operations.js:109:10

 ❯ Repro src/Repro.svelte:37:33

 ❯ node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/render.js:230:16

 ❯ update_reaction node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/runtime.js:327:56

 ❯ Module.update_effect node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/runtime.js:455:18

 ❯ create_effect node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/reactivity/effects.js:98:26

 ❯ Module.branch node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/reactivity/effects.js:331:9

 ❯ node_modules/.pnpm/[email protected]/node_modules/svelte/src/internal/client/render.js:212:25

 ```