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add useBlockCache() -- can migrate from useBlockAtom

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This commit is contained in:
sawka 2024-05-28 14:24:36 -07:00
parent d1fb646ee4
commit f184723354
1 changed files with 17 additions and 1 deletions
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18
frontend/app/store/global.ts
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@ -90,6 +90,22 @@ Events.On("block:ptydata", (event: any) => {
subject.next(data);
});
const blockCache = new Map<string, Map<string, any>>();
function useBlockCache<T>(blockId: string, name: string, makeFn: () => T): T {
let blockMap = blockCache.get(blockId);
if (blockMap == null) {
blockMap = new Map<string, any>();
blockCache.set(blockId, blockMap);
}
let value = blockMap.get(name);
if (value == null) {
value = makeFn();
blockMap.set(name, value);
}
return value as T;
}
const blockAtomCache = new Map<string, Map<string, jotai.Atom<any>>>();
function useBlockAtom<T>(blockId: string, name: string, makeFn: () => jotai.Atom<T>): jotai.Atom<T> {
@ -107,4 +123,4 @@ function useBlockAtom<T>(blockId: string, name: string, makeFn: () => jotai.Atom
return atom as jotai.Atom<T>;
}
export { WOS, atoms, getBlockSubject, globalStore, useBlockAtom };
export { WOS, atoms, getBlockSubject, globalStore, useBlockAtom, useBlockCache };