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fix: support experimental feature in "Show compiled Code" #2884

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Merged
merged 4 commits into from
Nov 11, 2025
Merged

fix: support experimental feature in "Show compiled Code" #2884

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66958dc
fix: support experimental feature in "Show compiled Code"
jasonlyu123 Nov 9, 2025
3b6378a
ts-ignore for svelte 4
jasonlyu123 Nov 9, 2025
1b328fb
Update packages/language-server/src/plugins/svelte/SveltePlugin.ts
dummdidumm Nov 11, 2025
b7a97fd
Apply suggestions from code review
dummdidumm Nov 11, 2025
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5 changes: 5 additions & 0 deletions .changeset/wet-lamps-dress.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'svelte-language-server': patch
---

fix: support experimental feature in "Show compiled Code"
9 changes: 7 additions & 2 deletions packages/language-server/src/plugins/svelte/SveltePlugin.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -110,8 +110,13 @@ export class SveltePlugin
async getCompiledResult(document: Document): Promise<SvelteCompileResult | null> {
try {
const svelteDoc = await this.getSvelteDoc(document);
// @ts-ignore is 'client' in Svelte 5
return svelteDoc.getCompiledWith({ generate: 'dom' });
const options: any = { generate: 'dom' }; // 'client' in Svelte 5
// @ts-ignore Svelte 5 only; we gotta write it like this else Svelte 4 fails on unknown key
if (document.config?.compilerOptions?.experimental) {
// @ts-ignore Svelte 5 only
options.experimental = document.config.compilerOptions.experimental;
}
return await svelteDoc.getCompiledWith(options);
} catch (error) {
return null;
}
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