MyCrypto/common/utils/localStorage.ts

37 lines
1.0 KiB
TypeScript

export const REDUX_STATE = 'REDUX_STATE';
import { State as CustomTokenState } from 'reducers/customTokens';
import { State as SwapState } from 'reducers/swap';
export function loadState<T>(): T | undefined {
try {
const serializedState = localStorage.getItem(REDUX_STATE);
if (serializedState === null) {
return undefined;
}
return JSON.parse(serializedState || '');
} catch (err) {
console.warn(' Warning: corrupted local storage');
}
}
export const saveState = (state: any) => {
try {
const serializedState = JSON.stringify(state);
localStorage.setItem(REDUX_STATE, serializedState);
} catch (err) {
console.warn(' Warning: failed to set to local storage', state);
}
};
export type SwapLocalStorage = SwapState;
export function loadStatePropertyOrEmptyObject<T>(key: string): T | undefined {
const localStorageState = loadState();
if (localStorageState) {
if (localStorageState.hasOwnProperty(key)) {
return localStorageState[key] as T;
}
}
return undefined;
}