perf(devx): hoist findEscapingPackages() out of unionInto's per-declaration loop

scripts/check-cross-package-test-inputs.mjs

@@ -702,12 +702,20 @@ function unionInto(listPath, changedPath) {
  .filter(Boolean);
 
  const present = new Set(items.map((i) => i.name));
+ // findEscapingPackages() walks packages/, apps/ and examples/ in full and reads
+ // every *.test.* file it finds; its answer does not vary between iterations of
+ // the loop below, so it is indexed ONCE here rather than re-walked per matching
+ // declaration. Nothing between here and the old per-iteration call site writes
+ // to packages/apps/examples (the only write in this function is the final
+ // `writeFileSync(listPath, ...)`, to the turbo-ls.json output, after this
+ // point), so hoisting cannot change what the walk sees.
+ const escapingDirs = new Map([...findEscapingPackages()].map(([n, info]) => [n, info.dir]));
  const added = [];
  for (const [name, { globs }] of Object.entries(CROSS_PACKAGE_TEST_INPUTS)) {
  if (present.has(name)) continue;
  const hit = changed.find((f) => matchesAny(f, globs));
  if (!hit) continue;
- const dir = [...findEscapingPackages()].find(([n]) => n === name)?.[1]?.dir;
+ const dir = escapingDirs.get(name);
  if (!dir) continue;
  items.push({ name, path: join(REPO_ROOT, dir) });
  added.push(`${name} (declared glob matched ${hit})`);