jotai/esm/urql.js

import { createClient } from '@urql/core';
import { atom } from 'jotai';
import { pipe, subscribe } from 'wonka';

const DEFAULT_URL = (() => {
  try {
    return process.env.JOTAI_URQL_DEFAULT_URL;
  } catch {
    return void 0;
  }
})() || "/graphql";
const clientAtom = atom(createClient({ url: DEFAULT_URL }));

const isOperationResultWithData$1 = (result) => "data" in result && !result.error;
function atomWithQuery(createQueryArgs, getClient = (get) => get(clientAtom)) {
  const queryResultAtom = atom((get) => {
    const args = createQueryArgs(get);
    if (args.pause) {
      return null;
    }
    const client = getClient(get);
    let resolve = null;
    const baseResultAtom = atom(
      new Promise((r) => {
        resolve = r;
      })
    );
    let setResult = () => {
      throw new Error("setting result without mount");
    };
    const listener = (result) => {
      if (result instanceof Promise) {
        setResult(result);
        return;
      }
      if (!isOperationResultWithData$1(result)) {
        throw new Error("result does not have data");
      }
      if (resolve) {
        resolve(result);
        resolve = null;
      } else {
        setResult(result);
      }
    };
    client.query(args.query, args.variables, {
      ...args.requestPolicy && { requestPolicy: args.requestPolicy },
      ...args.context
    }).toPromise().then(listener).catch(() => {
    });
    baseResultAtom.onMount = (update) => {
      setResult = update;
    };
    const subscriptionAtom = atom(null);
    const resultAtom = atom(
      (get2) => get2(baseResultAtom),
      (get2, set, callback) => {
        const subscription = pipe(
          client.query(args.query, args.variables, {
            ...args.requestPolicy && { requestPolicy: args.requestPolicy },
            ...args.context
          }),
          subscribe(listener)
        );
        set(subscriptionAtom, subscription);
        callback(() => {
          var _a;
          return (_a = get2(subscriptionAtom)) == null ? void 0 : _a.unsubscribe();
        });
      }
    );
    resultAtom.onMount = (init) => {
      let cleanup;
      init((c) => {
        cleanup = c;
      });
      return cleanup;
    };
    return { args, client, resultAtom, subscriptionAtom, listener };
  });
  const queryAtom = atom(
    (get) => {
      const queryResult = get(queryResultAtom);
      if (!queryResult) {
        return null;
      }
      const { resultAtom } = queryResult;
      return get(resultAtom);
    },
    (get, set, action) => {
      switch (action.type) {
        case "reexecute": {
          const queryResult = get(queryResultAtom);
          if (!queryResult) {
            throw new Error("query is paused");
          }
          const { args, client, subscriptionAtom, listener } = queryResult;
          listener(new Promise(() => {
          }));
          const newSubscription = pipe(
            client.query(args.query, args.variables, {
              ...args.requestPolicy && { requestPolicy: args.requestPolicy },
              ...args.context,
              ...action.opts
            }),
            subscribe(listener)
          );
          const oldSubscription = get(subscriptionAtom);
          oldSubscription == null ? void 0 : oldSubscription.unsubscribe();
          set(subscriptionAtom, newSubscription);
        }
      }
    }
  );
  return queryAtom;
}

function atomWithMutation(createQuery, getClient = (get) => get(clientAtom)) {
  const operationResultAtom = atom(
    new Promise(() => {
    })
  );
  const queryResultAtom = atom(
    (get) => get(operationResultAtom),
    (get, set, action) => {
      set(
        operationResultAtom,
        new Promise(() => {
        })
      );
      const client = getClient(get);
      const query = createQuery(get);
      client.mutation(query, action.variables, action.context).toPromise().then((result) => {
        var _a;
        set(operationResultAtom, result);
        (_a = action.callback) == null ? void 0 : _a.call(action, result);
      }).catch(() => {
      });
    }
  );
  return queryResultAtom;
}

const isOperationResultWithData = (result) => "data" in result;
function atomWithSubscription(createSubscriptionArgs, getClient = (get) => get(clientAtom)) {
  const queryResultAtom = atom((get) => {
    const args = createSubscriptionArgs(get);
    if (args.pause) {
      return { args };
    }
    const client = getClient(get);
    let resolve = null;
    const resultAtom = atom(
      new Promise((r) => {
        resolve = r;
      })
    );
    let setResult = () => {
      throw new Error("setting result without mount");
    };
    let isMounted = false;
    const listener = (result) => {
      if (!isOperationResultWithData(result)) {
        throw new Error("result does not have data");
      }
      if (resolve) {
        if (!isMounted) {
          subscription == null ? void 0 : subscription.unsubscribe();
          subscription = null;
        }
        resolve(result);
        resolve = null;
      } else {
        setResult(result);
      }
    };
    let subscription = pipe(
      client.subscription(args.query, args.variables, args.context),
      subscribe(listener)
    );
    resultAtom.onMount = (update) => {
      setResult = update;
      isMounted = true;
      if (!subscription) {
        subscription = pipe(
          client.subscription(args.query, args.variables, args.context),
          subscribe(listener)
        );
      }
      return () => subscription == null ? void 0 : subscription.unsubscribe();
    };
    return { resultAtom, args };
  });
  const queryAtom = atom((get) => {
    const { resultAtom } = get(queryResultAtom);
    return resultAtom ? get(resultAtom) : null;
  });
  return queryAtom;
}

export { atomWithMutation, atomWithQuery, atomWithSubscription, clientAtom };