storybook-addon-fetch-mock

A Storybook addon that integrates fetch-mock to mock fetch() calls in stories. Current stable version is 2.0.1, with quarterly releases. Supports Storybook 7, 8 and 'next' via @storybook/preview-api. Key differentiators vs alternatives: supports full Fetch mocking (unlike storybook-addon-mock which only handles basic cases), allows mocks as simple objects or resolver functions (like fetch-mock), and is a thin wrapper around the well-maintained fetch-mock library (available since 2015). Compared to MSW addon, it supports mock objects directly for APIs you don't control. Ships TypeScript types.