All files / internal structuralEqual.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
46x
 
 
 
 
75x
26x
2x
 
 
 
3x
 
 
24x
22x
22x
22x
 
64x
 
 
 
function isRecord(value: unknown): value is Record<string, unknown> {
  return value !== null && typeof value === 'object' && !Array.isArray(value);
}
 
/** Compare JSON-shaped values without depending on object insertion order. */
export function structuralEqual(left: unknown, right: unknown): boolean {
  if (Object.is(left, right)) return true;
  if (Array.isArray(left) || Array.isArray(right)) {
    return (
      Array.isArray(left) &&
      Array.isArray(right) &&
      left.length === right.length &&
      left.every((value, index) => structuralEqual(value, right[index]))
    );
  }
  if (!isRecord(left) || !isRecord(right)) return false;
  const leftKeys = Object.keys(left);
  const rightKeys = Object.keys(right);
  return (
    leftKeys.length === rightKeys.length &&
    leftKeys.every((key) => Object.hasOwn(right, key) && structuralEqual(left[key], right[key]))
  );
}