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**Describe the bug** As in the title, `use:action` directive does not work as described in the docs, at least in my case. I want my input to be focused when...

Hey Sapper Community ❤️ I do: ```javascript async function gotoURL(...args) { if (isFormUnsaved === true){ if (window.confirm("Are we leaving already?") === false){ return false; } } return await goto(...args); }...

question
routing

**Describe the bug** If you are on a `404` page handled by Sapper and your code (e.g. in the `_layout.svelte` file) updates the `session` store, you'll notice a `TypeError` in...

**Describe the bug** A clear and concise description of what the bug is. **Logs** N/A **To Reproduce** https://github.com/AaronDDM/sapper-store-update-bug/blob/main/src/routes/index.svelte ``` import { stores } from "@sapper/app"; const { session, page }...

**Describe the bug** This issue aims to be kind of an umbrella issue for this and similar problems that occur when a module is imported that doesn't exist and Sapper...

Whenever I switch between mobile and desktop site, I get an issue where the page is rendered again after the bottom of the page. (eg) ``` header body (with client...

**Is your feature request related to a problem? Please describe.** When using `{#await}`, Sapper doesn't seem to wait at all for the result of the promise, and always renders the...

proposal
hydration

**Describe the bug** Trying to use type definitions of `SapperRequest` and `SapperResponse` but getting `Cannot use namespace 'SapperRequest' as a type` instead of types. ![image](https://user-images.githubusercontent.com/157695/111359525-d7218e80-8648-11eb-84ad-fe055eb8e34f.png) ```ts import type { SapperRequest,...

**Is your feature request related to a problem? Please describe.** I have some pages that call data from an external API by a case-sensitive URL parameter. When I export my...

enhancement

**Describe the bug** When you use `$preloading` in template and: 1. You put it inside of a component that uses slot and that component uses a component that uses slot...