INNER CODE UNIT · JavaScript

processKey

zulip/zulip-mobile · src/redux-persist-migrate/index.js:8

const processKey = key => {
  const int = parseInt(key, 10);
  if (Number.isNaN(int)) {
    throw new Error('redux-persist-migrate: migrations must be keyed with integer values');
  }
  return int;
};

/* eslint-disable no-use-before-define */

type PartialState = $ReadOnly<$Rest<State, { ... }>>;

export default function createMigration(
  manifest: {| [string]: (PartialState) => PartialState |},
  reducerKey: string,
): StoreEnhancer<State, Action, Dispatch<Action>> {
  const migratePayload = createMigrationFunction(manifest, reducerKey);

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