timekeeper/store/incremental.js

import Decimal from "break_infinity.js"
import currencies from "./const.js"

export const state = () => ({
    // use currencies from const as keys; initialize all values to zero
    currency: currencies.reduce(function(obj, x) {
                obj[x] = new Decimal(0);
                return obj;
            }, {}),

    processes: [
        {   device: "Star Chart",
            worker: "Shaman",
            boughtWith: null,
            produces: currencies.seasons,
            deviceCount: new Decimal(0),
            workerCount: new Decimal(0),
            unlockThreshold: {[currencies.seasons]: 0, tech: null}
        },
        {   device: "Stone Calendar",
            worker: "Stonecarver",
            boughtWith: currencies.seasons,
            produces: currencies.months,
            deviceCount: new Decimal(0),
            workerCount: new Decimal(0),
            unlockThreshold: {[currencies.seasons]: 1, tech: null}
        },
        {   device: "Astrolabes",
            worker: "Mathematician",
            boughtWith: currencies.months,
            produces: currencies.days,
            deviceCount: new Decimal(0),
            workerCount: new Decimal(0),
            unlockThreshold: {[currencies.days]: 10, tech: 0}
        }
    ],

    upgrades: [
        {   name: "Mathematics",
            boughtWith: currencies.seasons,
            price: 100,
            purchased: false
        },
    ]
})

export const mutations = {
    add(state, { key, value }) {
        console.log(state.currency.keys())
        state.currency[key] = Decimal.add(state.currency[key], value)
    },

    set(state, { key, value }) {
        state.currency[key] = value
    }
}