Function applyAuthDataOptimisticLock

src/AuthDataLock.js:15–33

(query, originalAuthData, newAuthData)

// recovery-code array) is sufficient — its removal invalidates the WHERE clause
// for concurrent writers.
export function applyAuthDataOptimisticLock(query, originalAuthData, newAuthData) {
  if (!originalAuthData) {
    return;
  }
  for (const provider of Object.keys(newAuthData)) {
    const original = originalAuthData[provider];
    if (!original || typeof original !== 'object') {
      continue;
    }
    for (const [field, value] of Object.entries(original)) {
      if (!isLockableAuthDataValue(value)) {
        continue;
      }
      if (JSON.stringify(value) !== JSON.stringify(newAuthData[provider]?.[field])) {
        query[`authData.${provider}.${field}`] = value;
      }
    }
  }
}

function isLockableAuthDataValue(value) {
  if (value === null || value === undefined) {