repos / starfx

schema.ts

 1import { updateStore } from "./fx.js";
 2import { slice } from "./slice/index.js";
 3import type { FxMap, FxSchema, StoreUpdater } from "./types.js";
 4
 5const defaultSchema = <O>(): O =>
 6  ({ cache: slice.table(), loaders: slice.loaders() }) as O;
 7
 8export function createSchema<
 9  O extends FxMap,
10  S extends { [key in keyof O]: ReturnType<O[key]>["initialState"] },
11>(slices: O = defaultSchema<O>()): [FxSchema<S, O>, S] {
12  const db = Object.keys(slices).reduce<FxSchema<S, O>>(
13    (acc, key) => {
14      // deno-lint-ignore no-explicit-any
15      (acc as any)[key] = slices[key](key);
16      return acc;
17    },
18    {} as FxSchema<S, O>,
19  );
20
21  const initialState = Object.keys(db).reduce((acc, key) => {
22    // deno-lint-ignore no-explicit-any
23    (acc as any)[key] = db[key].initialState;
24    return acc;
25  }, {}) as S;
26
27  function* update(ups: StoreUpdater<S> | StoreUpdater<S>[]) {
28    return yield* updateStore(ups);
29  }
30
31  db.update = update;
32
33  return [db, initialState];
34}