@dnb/eufemia
Version:
DNB Eufemia Design System UI Library
181 lines (180 loc) • 6.64 kB
JavaScript
"use client";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
import React, { useCallback, useEffect, useMemo, useReducer, useRef } from 'react';
import useMounted from './useMounted';
import useMountEffect from './useMountEffect';
const useLayoutEffect = typeof window === 'undefined' ? React.useEffect : React.useLayoutEffect;
export function useWeakSharedState(id, initialData = undefined, onChange = null) {
return useSharedState(id, initialData, onChange, {
weak: true
});
}
export function useSharedState(id, initialData = undefined, onChange = null, {
weak = false
} = {}) {
var _sharedState$get2;
const [, forceUpdate] = useReducer(() => ({}), {});
const hasMountedRef = useMounted();
const waitForMountedRef = useRef(false);
const instanceRef = useRef({});
const forceRerender = useCallback(() => {
if (hasMountedRef.current) {
forceUpdate();
} else {
waitForMountedRef.current = true;
}
}, [hasMountedRef]);
const shouldSync = useCallback(fn => {
if (instanceRef.current === (fn === null || fn === void 0 ? void 0 : fn['ref'])) {
return false;
}
}, []);
useMountEffect(() => {
if (waitForMountedRef.current) {
forceUpdate();
}
});
const sharedState = useMemo(() => {
if (id) {
return createSharedState(id, initialData, {
shouldSync
});
}
}, [id, initialData, shouldSync]);
const sharedAttachment = useMemo(() => {
if (id) {
return createSharedState(createReferenceKey(id, 'oc'), {
onChange
}, {
shouldSync
});
}
}, [id, onChange, shouldSync]);
const syncAttachment = useCallback(newData => {
if (id) {
var _sharedAttachment$dat, _sharedAttachment$dat2;
(_sharedAttachment$dat = sharedAttachment.data) === null || _sharedAttachment$dat === void 0 ? void 0 : (_sharedAttachment$dat2 = _sharedAttachment$dat.onChange) === null || _sharedAttachment$dat2 === void 0 ? void 0 : _sharedAttachment$dat2.call(_sharedAttachment$dat, newData);
}
}, [id, sharedAttachment]);
const update = useCallback((newData, opts) => {
if (id) {
sharedState.update(newData, opts);
}
}, [id, sharedState]);
const get = useCallback(() => {
if (id) {
var _sharedState$get;
return sharedState === null || sharedState === void 0 ? void 0 : (_sharedState$get = sharedState.get) === null || _sharedState$get === void 0 ? void 0 : _sharedState$get.call(sharedState);
}
}, [id, sharedState]);
const set = useCallback(newData => {
if (id) {
sharedState.set(newData);
syncAttachment(newData);
}
}, [id, sharedState, syncAttachment]);
const extend = useCallback((newData, opts) => {
if (id) {
sharedState.extend(newData, opts);
syncAttachment(newData);
}
}, [id, sharedState, syncAttachment]);
useLayoutEffect(() => {
if (!id) {
return;
}
forceRerender['ref'] = instanceRef.current;
sharedState.subscribe(forceRerender);
return () => {
sharedState.unsubscribe(forceRerender);
if (weak && sharedState.subscribersRef.current.length === 0) {
sharedState.update(undefined);
}
};
}, [forceRerender, id, onChange, sharedState, weak]);
useEffect(() => {
var _sharedAttachment$dat3;
if (id && onChange && !((_sharedAttachment$dat3 = sharedAttachment.data) !== null && _sharedAttachment$dat3 !== void 0 && _sharedAttachment$dat3.onChange)) {
sharedAttachment.set({
onChange
});
}
}, [id, onChange, sharedAttachment]);
return {
get,
data: sharedState === null || sharedState === void 0 ? void 0 : (_sharedState$get2 = sharedState.get) === null || _sharedState$get2 === void 0 ? void 0 : _sharedState$get2.call(sharedState),
hadInitialData: sharedState === null || sharedState === void 0 ? void 0 : sharedState.hadInitialData,
update,
set,
extend
};
}
const sharedStates = new Map();
export function createSharedState(id, initialData, {
shouldSync = null
} = {}) {
if (!sharedStates.get(id)) {
const subscribersRef = {
current: []
};
const sync = (opts = {}) => {
subscribersRef.current.forEach(subscriber => {
const syncNow = opts.preventSyncOfSameInstance ? (shouldSync === null || shouldSync === void 0 ? void 0 : shouldSync(subscriber)) !== false : true;
if (syncNow) {
subscriber();
}
});
};
const get = () => sharedStates.get(id).data;
const set = newData => {
sharedStates.get(id).data = newData === undefined ? undefined : _objectSpread({}, newData);
};
const update = (newData, opts) => {
set(newData);
sync(opts);
};
const extend = (newData, opts) => {
sharedStates.get(id).data = _objectSpread(_objectSpread({}, sharedStates.get(id).data), newData);
sync(opts);
};
const subscribe = subscriber => {
if (!subscribersRef.current.includes(subscriber)) {
subscribersRef.current.push(subscriber);
}
};
const unsubscribe = subscriber => {
subscribersRef.current = subscribersRef.current.filter(sub => sub !== subscriber);
};
sharedStates.set(id, {
data: undefined,
get,
set,
extend,
update,
subscribe,
unsubscribe,
hadInitialData: Boolean(initialData),
subscribersRef
});
if (initialData) {
extend(initialData);
}
} else if (sharedStates.get(id).data === undefined && initialData !== undefined) {
sharedStates.get(id).data = _objectSpread({}, initialData);
}
return sharedStates.get(id);
}
export function createReferenceKey(ref1, ref2) {
if (!cache.has(ref1)) {
cache.set(ref1, new Map());
}
const innerMap = cache.get(ref1);
if (!innerMap.has(ref2)) {
innerMap.set(ref2, {});
}
return innerMap.get(ref2);
}
const cache = new Map();
//# sourceMappingURL=useSharedState.js.map