Export type breaks syntax highlighting

[ebeloded]

Describe the bug
When module context has only export type, syntax highlighting breaks

<script lang="ts" context="module">
export type T = 't'
</script>

Adding a semicolon at the end fixes the issue

Screenshots
Broken:

Normal (with semicolon):

[jasonlyu123]

This probably has to do with typescript's syntax highlight. I can see a similar issue in the ts file.

[jasonlyu123]

Seems to be related to microsoft/TypeScript-TmLanguage#873