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import {  createResource,  ResourceReturn,  createSignal,  Resource,  Setter} from "../src";import { InitializedResource, InitializedResourceReturn } from "../src/reactive/signal";
type Assert<T extends true> = T;// https://github.com/Microsoft/TypeScript/issues/27024#issuecomment-421529650type Equals<X, Y> = (<T>() => T extends X ? 1 : 2) extends <T>() => T extends Y ? 1 : 2  ? true  : false;
/* createResource inference tests */
// without source, initialValue// with fetcher{  const resourceReturn = createResource(    k => {      return Promise.resolve(1);      type Tests = Assert<Equals<typeof resourceReturn, ResourceReturn<number, unknown>>> &        Assert<Equals<typeof k, true>>;    },    {      storage: createSignal,      name: "test",      deferStream: true,      onHydrated: (k, info) => {        type Tests = Assert<Equals<typeof k, true | undefined>> &          Assert<Equals<typeof info, { value: number | undefined }>>;      }    }  );}
// without source// with fetcher, initialValue{  const resourceReturn = createResource(    k => {      return Promise.resolve(1);      type Tests = Assert<        Equals<typeof resourceReturn, InitializedResourceReturn<number, unknown>>      > &        Assert<Equals<typeof k, true>>;    },    {      initialValue: 1,      storage: createSignal,      name: "test",      deferStream: true,      onHydrated: (k, info) => {        type Tests = Assert<Equals<typeof k, true | undefined>> &          Assert<Equals<typeof info, { value: number | undefined }>>;      }    }  );
  type ResourceActions = typeof resourceReturn[1];  type Tests = Assert<Equals<ResourceActions['mutate'], Setter<number>>>;}
// without initialValue// with source, fetcher{  const resourceReturn = createResource(    () => 1,    k => {      return Promise.resolve(1);      type Tests = Assert<Equals<typeof resourceReturn, ResourceReturn<number, unknown>>> &        Assert<Equals<typeof k, number>>;    },    {      storage: createSignal,      name: "test",      deferStream: true,      onHydrated: (k, info) => {        type Tests = Assert<Equals<typeof k, number | undefined>> &          Assert<Equals<typeof info, { value: number | undefined }>>;      }    }  );
  type ResourceActions = typeof resourceReturn[1];  type Tests = Assert<Equals<ResourceActions['mutate'], Setter<number | undefined>>>;}
// with source, fetcher, initialValue{  const resourceReturn = createResource(    () => 1,    k => {      return Promise.resolve(1);      type Tests = Assert<        Equals<typeof resourceReturn, InitializedResourceReturn<number, unknown>>      > &        Assert<Equals<typeof k, number>>;    },    {      initialValue: 1,      storage: createSignal,      name: "test",      deferStream: true,      onHydrated: (k, info) => {        type Tests = Assert<Equals<typeof k, number | undefined>> &          Assert<Equals<typeof info, { value: number | undefined }>>;      }    }  );}
/* Resource type tests */{  let resource!: Resource<string>;  const resourceValue = resource();  let initializedResource!: InitializedResource<string>;  const initializedResourceValue = initializedResource();
  type Tests = Assert<Equals<typeof resourceValue, string | undefined>> &    Assert<Equals<typeof initializedResourceValue, string>> &    Assert<      Equals<typeof resource.state, "errored" | "pending" | "ready" | "refreshing" | "unresolved">    > &    Assert<Equals<typeof initializedResource.state, "errored" | "ready" | "refreshing">>;
  switch (resource.state) {    case "errored":      const errorValue = resource();      break;    case "pending":      const pendingValue = resource();      break;    case "ready":      const readyValue = resource();      break;    case "refreshing":      const refreshingValue = resource();      break;    case "unresolved":      const unresolvedValue = resource();      break;      // this is weird but it works      type Test = Assert<Equals<typeof errorValue, never>> &        Assert<Equals<typeof pendingValue, undefined>> &        Assert<Equals<typeof readyValue, string>> &        Assert<Equals<typeof refreshingValue, string>> &        Assert<Equals<typeof unresolvedValue, undefined>>;  }
  switch (initializedResource.state) {    case "errored":      const errorValue = initializedResource();      break;    case "ready":      const readyValue = initializedResource();      break;    case "refreshing":      const refreshingValue = initializedResource();      break;      // this is weird but it works      type Test = Assert<Equals<typeof errorValue, never>> &        Assert<Equals<typeof readyValue, string>> &        Assert<Equals<typeof refreshingValue, string>>;  }}