MyCrypto/common/utils/localStorage.js

34 lines
858 B
JavaScript

// @flow
export const REDUX_STATE = 'REDUX_STATE';
export const loadState = () => {
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: Object) => {
try {
const serializedState = JSON.stringify(state);
localStorage.setItem(REDUX_STATE, serializedState);
} catch (err) {
console.warn(' Warning: failed to set to local storage', state);
}
};
export const loadStatePropertyOrEmptyObject = (key: string): Object => {
const localStorageState = loadState();
if (localStorageState) {
if (localStorageState.hasOwnProperty(key)) {
return localStorageState[key];
}
}
return {};
};