@jeremyckahn/farmhand/src/game-logic/reducers/updateLearnedRecipes.ts

A farming game

import { recipesMap } from '../../data/maps.js'

export const updateLearnedRecipes = (
  state: farmhand.state
): farmhand.state => ({
  ...state,
  learnedRecipes: Object.keys(recipesMap).reduce(
    (acc: Record<string, boolean>, recipeId) => {
      if (recipesMap[recipeId].condition(state)) {
        acc[recipeId] = true
      }

      return acc
    },
    {}
  ),
})