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20 lines
812 B
20 lines
812 B
4 months ago
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import type { ReactiveVar } from "../../core/index.js";
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/**
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* Reads the value of a [reactive variable](https://www.apollographql.com/docs/react/local-state/reactive-variables/) and re-renders the containing component whenever that variable's value changes. This enables a reactive variable to trigger changes _without_ relying on the `useQuery` hook.
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*
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* @example
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* ```jsx
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* import { makeVar, useReactiveVar } from "@apollo/client";
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* export const cartItemsVar = makeVar([]);
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*
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* export function Cart() {
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* const cartItems = useReactiveVar(cartItemsVar);
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* // ...
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* }
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* ```
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* @since 3.2.0
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* @param rv - A reactive variable.
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* @returns The current value of the reactive variable.
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*/
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export declare function useReactiveVar<T>(rv: ReactiveVar<T>): T;
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//# sourceMappingURL=useReactiveVar.d.ts.map
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