RangeError: Maximum call stack size exceeded about typescript HOT 5 OPEN

I started with a repro like this: TS playground but I managed to reduce it even further (TS playground):

const createCacheReducer = <N extends string, QR>(
  queries: Cache<N, QR>["queries"],
) => {
  const queriesMap = {} as QR;

  const initialState = {
    queries: queriesMap,
  };

  return (state = initialState) => state;
};

export type Cache<N extends string, QR> = {
  queries: {
    [QK in keyof QR]: ReturnType<typeof createCacheReducer<QR>>;
  };
};

from typescript.

"Probably caused by this code" is not exactly a repro case. Can you slim down ur repo to the required bits that lead to this bug?

from typescript.

@Andarist tried, but seems that almost all repo code is needed. Btw fixed it already by removing cycled typing, in the next commit.

Interesting that in prev commit cycles also existed but issue did not happen and everything worked, but after adding changes in that commit tsc started crashing.

from typescript.

FYI Overall repo is the best example of very black TS magic thats required for proper typing in some cases.

And also would be great that we don't need as in switch/case for generic literals:

// src/reducer.ts
switch (action.type) {
  case actions.updateQueryStateAndEntities.type: {
    const {
      queryKey,
      queryCacheKey,
      state: queryState,
      entityChagnes,
    } = action as ReturnType<typeof actions.updateQueryStateAndEntities> // this line should be just `} = action`

from typescript.

This crashes when trying to serialize the type of this createCacheReducer here:
https://github.com/gentlee/react-redux-cache/blob/ae4159b12ab02110874ffda5383ea8605b5601e7/src/types.ts#L46

FWIW, it errors because it can't find applicable signatures for this instantiation expression and it tries to report this error:

"Type '{0}' has no signatures for which the type argument list is applicable."

That leads to serializing this type in the first place.

from typescript.