@assistant-ui/react/dist/utils/tap-store/derived-scopes.js

TypeScript/React library for AI Chat

// src/utils/tap-store/derived-scopes.ts
import { resource, tapEffect } from "@assistant-ui/tap";
import { tapMemo, tapRef, tapResource, tapResources } from "@assistant-ui/tap";
import { createAssistantApiField } from "../../context/react/AssistantApiContext.js";
var DerivedScope = resource(
  (config) => {
    const getRef = tapRef(config.get);
    tapEffect(() => {
      getRef.current = config.get;
    });
    return tapMemo(() => {
      return createAssistantApiField({
        source: config.source,
        query: config.query,
        get: () => getRef.current()
      });
    }, [config.source, JSON.stringify(config.query)]);
  }
);
var ScopeFieldWithNameResource = resource(
  (config) => {
    const field = tapResource(config.scopeElement);
    return tapMemo(
      () => [config.fieldName, field],
      [config.fieldName, field]
    );
  }
);
var DerivedScopes = resource(
  (scopes) => {
    const { on, subscribe, ...scopeFields } = scopes;
    const callbacksRef = tapRef({ on, subscribe });
    tapEffect(() => {
      callbacksRef.current = { on, subscribe };
    });
    const results = tapResources(
      scopeFields,
      (scopeElement, fieldName) => ScopeFieldWithNameResource({
        fieldName,
        scopeElement
      }),
      []
    );
    return tapMemo(() => {
      const result = Object.fromEntries(
        Object.values(results)
      );
      const { on: onCb, subscribe: subCb } = callbacksRef.current;
      if (onCb) {
        result.on = (selector, callback) => onCb(selector, callback);
      }
      if (subCb) result.subscribe = (listener) => subCb(listener);
      return result;
    }, [results]);
  }
);
export {
  DerivedScope,
  DerivedScopes
};
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