fetcher

Use when implementing CoSec authentication with Fetcher, including CoSecConfigurer, JWT token lifecycle, token storage, refresh handling, device ID storage, multi-tenant space resolution, resource attribution, authorization headers, and 401 or 403 error handling.

Use when creating declarative TypeScript API service classes with fetcher-decorator, including @api, HTTP method decorators, path/query/header/body/request parameters, result extractors, lifecycle hooks, inheritance, and reflect-metadata setup.

Use when implementing typed event buses, serial or parallel event execution, BroadcastChannel or storage-based cross-tab messaging, handler priority, once handlers, name generation, or event synchronization across browser contexts.

Use when setting up the core Fetcher HTTP client, NamedFetcher, fetcherRegistrar, HTTP methods, path and query parameters, interceptors, timeouts, result extractors, request lifecycle, status validation, or URL templates.

Use when consuming Server-Sent Events, LLM token streams, OpenAI-style streaming chat responses, Fetcher eventstream helpers, response prototype extensions, stream termination detection, result extractors, or ReadableStream async iteration.

Use when calling OpenAI Chat Completions through Fetcher, configuring OpenAI or ChatClient, sending streaming or non-streaming chat completion requests, adding interceptors, using completion result extractors, or handling OpenAI client errors.

Use when generating type-safe Fetcher API clients from OpenAPI 3.x specs, including fetcher-generator CLI usage, CodeGenerator API, GeneratorConfiguration, parse and generation pipeline, model generation, client generation, barrel exports, and Wow CQRS generation support.

Use when modeling OpenAPI 3.x documents in TypeScript, including schemas, operations, parameters, responses, security schemes, components, references, extensions, media types, request bodies, and reusable utility types.

Use when building React data-fetching and state hooks with fetcher-react, including usePromiseState, useExecutePromise, useFetcher, useQuery, useFetcherQuery, storage hooks, event subscriptions, utility hooks, Wow query hooks, data monitor hooks, and AbortController behavior.

Use when adding typed cross-environment storage with localStorage, sessionStorage, or in-memory fallback, including KeyStorage, serializers, default values, change listeners, cleanup, and cross-tab synchronization.

Use when building Fetcher Viewer React and Ant Design data table experiences, including FetcherViewer, Viewer, View, ViewTable, FilterPanel, EditableFilterPanel, view management, TopBar actions, row selection, column settings, cell renderers, and form controls.

Use when creating Wow DDD and CQRS clients with Fetcher, including CommandClient, SnapshotQueryClient, EventStreamQueryClient, aggregate load clients, QueryClientFactory, command stages and headers, query DSL conditions, generated clients, and pagination types.