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Utilities for all Sentry JavaScript SDKs

There is a newer version: 8.38.0

/* eslint-disable @typescript-eslint/no-unsafe-member-access */
/* eslint-disable @typescript-eslint/no-explicit-any */

/**
 * Helper to decycle json objects
 */
function memoBuilder() {
  const hasWeakSet = typeof WeakSet === 'function';
  const inner = hasWeakSet ? new WeakSet() : [];
  function memoize(obj) {
    if (hasWeakSet) {
      if (inner.has(obj)) {
        return true;
      }
      inner.add(obj);
      return false;
    }
    // eslint-disable-next-line @typescript-eslint/prefer-for-of
    for (let i = 0; i < inner.length; i++) {
      const value = inner[i];
      if (value === obj) {
        return true;
      }
    }
    inner.push(obj);
    return false;
  }

  function unmemoize(obj) {
    if (hasWeakSet) {
      inner.delete(obj);
    } else {
      for (let i = 0; i < inner.length; i++) {
        if (inner[i] === obj) {
          inner.splice(i, 1);
          break;
        }
      }
    }
  }
  return [memoize, unmemoize];
}

export { memoBuilder };
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