Function deepEqual

packages/bumpy/src/commands/check.ts:393–407

Structural equality for parsed JSON values (objects compared key-insensitive to order).

(a: unknown, b: unknown)

/** Structural equality for parsed JSON values (objects compared key-insensitive to order). */
function deepEqual(a: unknown, b: unknown): boolean {
  if (a === b) return true;
  if (typeof a !== typeof b || a === null || b === null) return false;
  if (typeof a !== 'object') return false;
  if (Array.isArray(a) || Array.isArray(b)) {
    if (!Array.isArray(a) || !Array.isArray(b) || a.length !== b.length) return false;
    return a.every((v, i) => deepEqual(v, b[i]));
  }
  const ao = a as Record<string, unknown>;
  const bo = b as Record<string, unknown>;
  const ak = Object.keys(ao);
  const bk = Object.keys(bo);
  if (ak.length !== bk.length) return false;
  return ak.every((k) => Object.prototype.hasOwnProperty.call(bo, k) && deepEqual(ao[k], bo[k]));
}

/**
 * Compute which catalog entries changed between the base ref and HEAD.