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🐛 Fix #98 by loading from localStorage without using an effect
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1 changed files with 17 additions and 33 deletions
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@ -1,17 +1,14 @@
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import { useCallback, useEffect, useState } from "react"
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import { useCallback, useState } from "react"
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/**
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/**
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* Hook with the same API as {@link React.useState} which stores its value in the browser's {@link localStorage}.
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* Hook with the same API as {@link React.useState} which stores its value in the browser's {@link localStorage}.
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*/
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*/
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export default function useLocalStorageState(key, def) {
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export default function useLocalStorageState(key, def) {
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const [value, setValue] = useState(null);
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/**
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/**
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* Load the `key` from the {@link localStorage} into `value`, defaulting to `def` if it is not found.
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* Load the `key` from the {@link localStorage} into `value`, defaulting to `def` if it is not found.
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*/
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*/
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const load = useCallback(
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const load = () => {
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() => {
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if(localStorage) {
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if(localStorage) {
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console.debug(`Loading ${key} from localStorage...`)
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console.debug(`Loading ${key} from localStorage...`)
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let _value = JSON.parse(localStorage.getItem(key))
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let _value = JSON.parse(localStorage.getItem(key))
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@ -29,9 +26,9 @@ export default function useLocalStorageState(key, def) {
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console.warn(`Can't load value as localStorage doesn't seem to be available, defaulting...`)
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console.warn(`Can't load value as localStorage doesn't seem to be available, defaulting...`)
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return def
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return def
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}
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}
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},
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}
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[key, def]
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)
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const [value, setValue] = useState(load());
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/**
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/**
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* Save a value to the {@link localStorage}.
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* Save a value to the {@link localStorage}.
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@ -60,18 +57,5 @@ export default function useLocalStorageState(key, def) {
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[setValue, save]
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[setValue, save]
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)
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)
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/*
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* When the component first renders, try to load the value from the localStorage.
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*/
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useEffect(
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() => {
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if(!value) {
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console.debug(`This is the first render, loading ${key} from the localStorage...`)
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setValue(load())
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}
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},
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[value, setValue, load, key],
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)
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return [value, setAndSave]
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return [value, setAndSave]
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}
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}
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