release: prepare WRNexusJS 0.8.8

packages/language-server/src/workspace.ts

@@ -15,7 +15,9 @@ const SKIPPED_DIRECTORIES = new Set([
 ]);
 const MAX_INDEX_FILES = 5_000;
 const MAX_SOURCE_BYTES = 1_048_576;
-const INDEX_TTL_MS = 5_000;
+// Completion can be requested repeatedly while the list is visible. Avoid
+// rescanning thousands of files on that hot path; document saves invalidate it.
+const INDEX_TTL_MS = 5 * 60_000;
 const MAX_CACHED_ROOTS = 8;
 const workspaceIndexCache = new Map<
   string,
@@ -168,6 +170,30 @@ export function clearWorkspaceIndexCache(root?: string): void {
   else workspaceIndexCache.clear();
 }
 
+export function workspaceSymbolLocations(root: string, name: string, limit = 1_000) {
+  if (!/^[A-Za-z_$][\w$]*$/.test(name)) return [];
+  const escaped = name.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+  const pattern = new RegExp(`(?<![A-Za-z0-9_$])${escaped}(?![A-Za-z0-9_$])`, "g");
+  const locations: Array<{ uri: string; range: Range }> = [];
+  for (const file of walk(resolve(root), (path) => extname(path) === ".wrn").slice(0, limit)) {
+    let source: string;
+    try {
+      source = readFileSync(file, "utf8");
+    } catch {
+      continue;
+    }
+    for (const match of source.matchAll(pattern)) {
+      const before = source.slice(0, match.index!).split(/\r?\n/);
+      const start = { line: before.length - 1, character: before.at(-1)?.length ?? 0 };
+      locations.push({
+        uri: `file:///${file.replace(/\\/g, "/")}`,
+        range: { start, end: { line: start.line, character: start.character + name.length } },
+      });
+    }
+  }
+  return locations;
+}
+
 export function extractComponentRefactor(document: TextDocument, range: Range, name: string) {
   if (!/^[A-Z][A-Za-z0-9_$]*$/.test(name)) throw new Error("Component name must use PascalCase");
   const lines = document.text.split(/\r?\n/);