one
Version:
One is a new React Framework that makes Vite serve both native and web.
38 lines (37 loc) • 1.48 kB
JavaScript
import { createContext, useRef } from "react";
import { useStateForPath } from "@react-navigation/core";
import { getRouteInfo } from "./router.mjs";
import { jsx } from "react/jsx-runtime";
const RouteInfoContext = createContext(void 0);
function RouteInfoContextProvider({
children
}) {
const currentState = useStateForPath(),
currentStateRef = useRef(void 0),
lastStateRef = useRef(void 0),
cachedRouteInfoValueRef = useRef(void 0),
lazilyCalculatedRouteInfo = useRef();
return currentState && currentStateRef.current !== currentState && (lazilyCalculatedRouteInfo.current = makeLazilyCalculatedRouteInfo({
currentStateRef,
lastStateRef,
cachedRouteInfoValueRef
})), currentStateRef.current = currentState, /* @__PURE__ */jsx(RouteInfoContext.Provider, {
value: currentState ? lazilyCalculatedRouteInfo.current : void 0,
children
});
}
function makeLazilyCalculatedRouteInfo({
currentStateRef,
lastStateRef,
cachedRouteInfoValueRef
}) {
return new Proxy({}, {
get(_, p) {
const state = currentStateRef.current;
if (!state) throw new Error("[lazilyCalculatedRouteInfo] cannot get state");
return (!cachedRouteInfoValueRef.current || lastStateRef.current !== state) && (cachedRouteInfoValueRef.current = getRouteInfo(state), lastStateRef.current = state), cachedRouteInfoValueRef.current[p];
}
});
}
export { RouteInfoContext, RouteInfoContextProvider };
//# sourceMappingURL=RouteInfoContext.mjs.map