[vamshikrishnaramasamy]

Fixes #15525.

This uses own-property checks when resolving named form actions and remote manifest entries, so prototype properties like toString and constructor are treated like missing actions/remotes instead of being invoked.

Added a regression test for ?/toString on a named form action.

Tests:

• pnpm --dir packages/kit/test/apps/basics exec playwright test test/server.test.js --grep "ignores Object.prototype properties"
• pnpm --dir packages/kit exec prettier --config ../../.prettierrc --check src/runtime/server/page/actions.js src/runtime/server/remote.js test/apps/basics/test/server.test.js
• pnpm --dir packages/kit exec tsc --noEmit --pretty false

[pkg-svelte-dev]

Install the latest version of @sveltejs/kit from bac589f:

pnpm add https://pkg.svelte.dev/@sveltejs/kit/c/bac589f4bb59c71e4fa4e3752463ac5df9b61674

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/kit/pr/16236

Note

This PR is from a fork. A maintainer must approve approve each commit before it can be built and installed.

[changeset-bot]

⚠️ No Changeset found

Latest commit: bac589f

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[teemingc]

Closing this as it's already fixed by #16072