(fix) always update files from .svelte-kit/types (#1591)

sveltejs/kit#5940

Author: dummdidumm

packages/language-server/src/plugins/typescript/TypeScriptPlugin.ts

@@ -458,8 +458,14 @@ export class TypeScriptPlugin
             const declarationExtensions = [ts.Extension.Dcts, ts.Extension.Dts, ts.Extension.Dmts];
             const canSafelyIgnore =
                 declarationExtensions.every((ext) => !fileName.endsWith(ext)) &&
-                ignoredBuildDirectories.some((dir) => dirPathParts.includes(dir));
-
+                ignoredBuildDirectories.some((dir) => {
+                    const index = dirPathParts.indexOf(dir);
+
+                    return (
+                        // Files in .svelte-kit/types should always come through
+                        index > 0 && (dir !== '.svelte-kit' || dirPathParts[index + 1] !== 'types')
+                    );
+                });
             if (canSafelyIgnore) {
                 continue;
             }