These files show how to use AsyncContext in different scenarios. They are not part of the build and are meant for reference.

• Node.js 18+
• Install dependencies at the repo root (npm install)

Some examples require extra dependencies (install if you want to run them):

• express
• fastify
• koa
• next
• @nestjs/common
• @sentry/node
• @opentelemetry/api

npx tsx example/basic-context.ts

If you do not have tsx available, run from the repo root:

npm run dev -- example/basic-context.ts

• SENTRY_DSN (only needed by example/sentry.ts)

• example/basic-context.ts Basic Context usage (run, add values, snapshot).
• example/logger-basic.ts Logger with context, redaction, child logger, and timer.
• example/logger-env.ts Logger configured from environment.
• example/performance.ts Context.measure usage.
• example/openai.ts OpenAI wrapper with a fake call.
• example/opentelemetry.ts OpenTelemetry span and baggage with optional dynamic import.
• example/sentry.ts Sentry init and exception capture with optional dynamic import.
• example/express.ts Express middleware integration.
• example/fastify.ts Fastify hook integration.
• example/koa.ts Koa middleware integration.
• example/next-api.ts Next.js API handler integration.
• example/nest.ts Nest middleware integration (Express adapter).
• example/adonis.ts Adonis middleware integration.