Incorrect highlights of errors in certain scenarios

[ebeloded]

When module script has lang="ts", the problematic piece of code is highlighted incorrectly.

To Reproduce
Here is a simple piece of code, which generates an warning about unused export property data:

<script context="module" lang="ts">
</script>

<script lang="ts">
export let data: Object = {}
</script>

What gets highlighted:

The error and the error message are correct, the just show up at an unexpected place.

Expected behavior

Here is what happens if I remove lang="ts" from the module script, which is the expected behavior

System

• OS: Mac OS
• IDE: VSCode
• Plugin/Package: Svelte for VSCode