@yoroi/common
Version:
The Common package of Yoroi SDK
31 lines (30 loc) • 1.71 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.useSyncStorageToState = void 0;
var React = _interopRequireWildcard(require("react"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
/**
* @description
* This hook is used to sync a storage key to a state.
* Important: T is the type returned by the parser function of the key manager.
* Therefore if you don't want a undefined / prefer a null, or even a initial value.
* Use the parser function of the key manager to handle it.
*/
const useSyncStorageToState = keyManager => {
const [value, setValue] = React.useState(() => keyManager.read());
React.useEffect(() => {
const subscription = keyManager.subscribe(() => setValue(() => keyManager.read()));
return () => subscription?.unsubscribe();
}, [keyManager]);
const save = React.useCallback(newValue => {
keyManager.save(newValue);
}, [keyManager]);
const remove = React.useCallback(() => {
keyManager.remove();
}, [keyManager]);
return [value, save, remove];
};
exports.useSyncStorageToState = useSyncStorageToState;
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