Function getOrInsertDefault

compiler/packages/make-read-only-util/src/makeReadOnly.ts:39–51

(
  m: SavedROObjects,
  k: object,
)

}

function getOrInsertDefault(
  m: SavedROObjects,
  k: object,
): {existed: boolean; entry: SavedROObject} {
  const entry = m.get(k);
  if (entry) {
    return {existed: true, entry};
  } else {
    const newEntry: SavedROObject = new Map();
    m.set(k, newEntry);
    return {existed: false, entry: newEntry};
  }
}

function buildMakeReadOnly(
  logger: ROViolationLogger,