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Pushed-by: Florian Scholdei<florian.scholdei@cloudogu.com>
Co-authored-by: Florian Scholdei<florian.scholdei@cloudogu.com>
Co-authored-by: Konstantin Schaper<konstantin.schaper@cloudogu.com>
Committed-by: Florian Scholdei<florian.scholdei@cloudogu.com>
This commit is contained in:
Florian Scholdei
2023-12-12 09:18:50 +01:00
parent 4f053028b9
commit 72886bd204
26 changed files with 675 additions and 594 deletions
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20
scm-ui/ui-api/src/localStorage.tsx
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@@ -22,11 +22,12 @@
* SOFTWARE.
*/
import React, { createContext, FC, useCallback, useContext, useMemo, useState } from "react";
import React, { createContext, FC, useCallback, useContext, useEffect, useMemo, useState } from "react";
type LocalStorage = {
getItem: <T>(key: string, initialValue: T) => T;
getItem: <T>(key: string, fallback: T) => T;
setItem: <T>(key: string, value: T) => void;
preload: <T>(key: string, initialValue: T) => void;
};
const LocalStorageContext = createContext<LocalStorage>(null as unknown as LocalStorage);
@@ -50,9 +51,14 @@ export const LocalStorageProvider: FC = ({ children }) => {
}, []);
const getItem = useCallback(
<T,>(key: string, initialValue: T): T => {
let initialLoadResult: T | undefined;
<T,>(key: string, fallback: T): T => (key in localStorageCache ? (localStorageCache[key] as T) : fallback),
[localStorageCache]
);
const preload = useCallback(
<T,>(key: string, initialValue: T) => {
if (!(key in localStorageCache)) {
let initialLoadResult: T | undefined;
try {
const item = localStorage.getItem(key);
initialLoadResult = item ? JSON.parse(item) : initialValue;
@@ -63,13 +69,12 @@ export const LocalStorageProvider: FC = ({ children }) => {
}
setItem(key, initialLoadResult);
}
return initialLoadResult ?? (localStorageCache[key] as T);
},
[localStorageCache, setItem]
);
return (
<LocalStorageContext.Provider value={useMemo(() => ({ getItem, setItem }), [getItem, setItem])}>
<LocalStorageContext.Provider value={useMemo(() => ({ getItem, setItem, preload }), [getItem, preload, setItem])}>
{children}
</LocalStorageContext.Provider>
);
@@ -85,7 +90,7 @@ export function useLocalStorage<T>(
key: string,
initialValue: T
): [value: T, setValue: (value: T | ((previousConfig: T) => T)) => void] {
const { getItem, setItem } = useContext(LocalStorageContext);
const { getItem, setItem, preload } = useContext(LocalStorageContext);
const value = useMemo(() => getItem(key, initialValue), [getItem, initialValue, key]);
const setValue = useCallback(
(newValue: T | ((previousConfig: T) => T)) =>
@@ -95,5 +100,6 @@ export function useLocalStorage<T>(
// eslint-disable-next-line react-hooks/exhaustive-deps
[key, setItem, value]
);
useEffect(() => preload(key, initialValue), [initialValue, key, preload]);
return useMemo(() => [value, setValue], [setValue, value]);
}