All files / packages/mutations/src/cache utils.ts

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import type React from "react";
 
import type { QueryClient, QueryKey } from "@tanstack/react-query";
import { entries } from "remeda";
 
import type {
	TRPCQueryInput,
	TRPCQueryKey,
	TRPCQueryOutput,
	TRPCSplitQueryKey,
} from "~app/trpc";
import type { MaybePromise } from "~utils/types";
 
import type {
	ControllerContext,
	UpdateFn,
	UpdaterRevertResult,
} from "../types";
import { mergeUpdaterResults } from "../utils";
 
type QueryClientData<Key extends TRPCQueryKey> = [
	[
		TRPCSplitQueryKey<Key>,
		TRPCQueryInput<Key> extends undefined
			? undefined
			: { input: TRPCQueryInput<Key>; type: "infinite" | "query" },
	],
	TRPCQueryOutput<Key>,
];
 
export const getAllInputs = <Key extends TRPCQueryKey>(
	queryClient: QueryClient,
	queryKey: QueryKey,
) =>
	(queryClient.getQueriesData({ queryKey }) as QueryClientData<Key>[]).map(
		(query) => query[0][1]?.input,
	) as TRPCQueryInput<Key>[];
 
export const withRef = <T, R = void>(
	fn: (ref: React.RefObject<T>) => R,
	...args: undefined extends T ? [] : [T]
) => {
	const ref: React.RefObject<T> = { current: args[0] as T };
	const returnValue = fn(ref);
	return {
		current: ref.current,
		returnValue,
	};
};
 
export const applyWithRevert = <Value>(
	applyFn: () => Value | undefined,
	revertFn: (snapshot: Value) => void,
	finalizeFn?: (snapshot: Value) => void,
): UpdaterRevertResult | undefined => {
	const appliedReturn = applyFn();
	if (appliedReturn !== undefined) {
		return {
			revertFn: () => revertFn(appliedReturn),
			finalizeFn: () => finalizeFn?.(appliedReturn),
		};
	}
};
 
export const applyUpdateFnWithRevert = <
	Value,
	ResultValue = Value,
	Context = undefined,
>(
	fn: (updater: UpdateFn<Value, Value, Context>) => ResultValue | undefined,
	updateFn: UpdateFn<Value, Value, Context>,
	revertFn:
		| ((snapshot: ResultValue) => UpdateFn<Value, Value, Context>)
		| undefined,
	finalizeFn?: (snapshot: ResultValue) => void,
): UpdaterRevertResult | undefined => {
	const modifiedValue = fn(updateFn);
	if (modifiedValue !== undefined) {
		return {
			revertFn: () => {
				Iif (!revertFn) {
					return;
				}
				fn(revertFn(modifiedValue));
			},
			finalizeFn: () => {
				Iif (!finalizeFn) {
					return;
				}
				finalizeFn(modifiedValue);
			},
		};
	}
};
 
type UpdateRevertOption<
	GetController extends {
		getRevertController: (controllerContext: ControllerContext) => unknown;
	},
> = (
	controller: ReturnType<GetController["getRevertController"]>,
) => MaybePromise<UpdaterRevertResult | undefined>;
 
type UpdateOption<
	GetController extends {
		getController: (controllerContext: ControllerContext) => unknown;
	},
> = (controller: ReturnType<GetController["getController"]>) => void;
 
export const getUpdaters = <
	T extends Record<
		string,
		{
			getRevertController: (controllerContext: ControllerContext) => unknown;
			getController: (controllerContext: ControllerContext) => unknown;
		}
	>,
>(
	input: T,
) => {
	const updateRevert = async (
		controllerContext: ControllerContext,
		options: {
			[K in keyof T]: UpdateRevertOption<T[K]> | undefined;
		},
	) => {
		const results = await Promise.all(
			entries(input).map(async ([key, { getRevertController }]) => {
				const updater = options[key];
				Iif (!updater) {
					return;
				}
				return updater(
					getRevertController(controllerContext) as Parameters<
						typeof updater
					>[0],
				);
			}),
		);
		return mergeUpdaterResults(...results);
	};
 
	const update = (
		controllerContext: ControllerContext,
		options: {
			[K in keyof T]: UpdateOption<T[K]> | undefined;
		},
	) => {
		for (const [key, { getController }] of entries(input)) {
			const updater = options[key];
			if (updater) {
				updater(
					getController(controllerContext) as Parameters<typeof updater>[0],
				);
			}
		}
	};
 
	return { updateRevert, update };
};
 
export const getUpdatedData = <T extends NonNullable<object>>(
	data: T | undefined,
	updater: UpdateFn<T>,
): T | undefined => {
	if (!data) {
		return;
	}
	const nextData = updater(data);
	Iif (nextData === data) {
		return;
	}
	return nextData;
};