Reproduction
Reproduction for testing-library/svelte-testing-library/issues/407.
- Install dependencies with
pnpm install - Run the specs with
pnpm test - 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
