map-transform-cjs/dist/operations/filter.js

MapTransform with CJS support

// src/utils/stateHelpers.ts
var pushContext = (state, value) => ({
  ...state,
  context: [...state.context, value]
});
var setStateValue = ({ untouched, ...state }, value, shouldPushContext = false) => shouldPushContext ? {
  ...pushContext(state, state.value),
  value
} : { ...state, value };
var getStateValue = (state) => state.value;

// src/operations/filter.ts
async function filterValue(values, filterFn, state) {
  if (Array.isArray(values)) {
    const results = [];
    for (const value of values) {
      if (await filterFn(value, state)) {
        results.push(value);
      }
    }
    return results;
  } else {
    const result = await filterFn(values, state);
    return result ? values : void 0;
  }
}
function filter(fn) {
  return (options) => (next) => {
    if (typeof fn !== "function") {
      return async (state) => await next(state);
    }
    const fnWithOptions = fn(options);
    return async (state) => {
      const nextState = await next(state);
      return setStateValue(
        nextState,
        await filterValue(getStateValue(nextState), fnWithOptions, nextState)
      );
    };
  };
}
export {
  filter as default
};
//# sourceMappingURL=filter.js.map