Refactor

inokawa · Apr 15, 2023 · bcc05ab · bcc05ab
1 parent 253e2b4
commit bcc05ab
Showing 1 changed file with 8 additions and 12 deletions.
diff --git a/src/core/cache.ts b/src/core/cache.ts
@@ -50,27 +50,23 @@ const findIndex = (cache: Cache, i: number, distance: number): number => {
  if (distance >= 0) {
  // search forward
  while (i < cache._length - 1) {
- const h = getItemSize(cache, i++);
- sum += h;
- if (sum >= distance) {
- if (sum - h / 2 >= distance) {
- i--;
- }
+ if ((sum += getItemSize(cache, i++)) >= distance) {
  break;
  }
  }
+ if (sum - getItemSize(cache, i) / 2 >= distance) {
+ i--;
+ }
  } else {
  // search backward
  while (i > 0) {
- const h = getItemSize(cache, --i);
- sum -= h;
- if (sum <= distance) {
- if (sum + h / 2 < distance) {
- i++;
- }
+ if ((sum -= getItemSize(cache, --i)) <= distance) {
  break;
  }
  }
+ if (sum + getItemSize(cache, i) / 2 < distance) {
+ i++;
+ }
  }
 
  return min(max(i, 0), cache._length - 1);