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Prevent high CPU usage by only running in astro projects #14704

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19 changes: 18 additions & 1 deletion packages/language-tools/ts-plugin/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,27 @@ import { getFrontmatterLanguagePlugin } from './frontmatter.js';
import { getLanguagePlugin } from './language.js';

export = createLanguageServicePlugin((ts, info) => {
const currentDir = info.project.getCurrentDirectory();

// Check if this is an Astro project by looking for astro.config.* file
if (ts.sys.readDirectory) {
const hasAstroConfig =
ts.sys.readDirectory(
currentDir,
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@Princesseuh Princesseuh Nov 3, 2025

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I'd suggest checking that this work inside monorepos!

['js', 'mjs', 'cjs', 'ts', 'mts', 'cts'],
undefined,
['astro.config.*'],
1,
).length > 0;

if (!hasAstroConfig) {
return { languagePlugins: [] };
}
}

let collectionConfig = undefined;

try {
const currentDir = info.project.getCurrentDirectory();
const fileContent = ts.sys.readFile(currentDir + '/.astro/collections/collections.json');
if (fileContent) {
collectionConfig = {
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