cross-domain-safe-weakmap/dist/module/util.js

Cross domain safe WeakMap.

export function safeIndexOf(collection, item) {
  for (var i = 0; i < collection.length; i++) {
    try {
      if (collection[i] === item) {
        return i;
      }
    } catch (err) {// pass
    }
  }

  return -1;
} // eslint-disable-next-line no-unused-vars

export function noop() {// pass
}