1import { AsyncLocalStorage } from 'node:async_hooks'
2
3export type PtGenContext = Record<string, unknown>
4
5const ctxRegistry = globalThis as unknown as Record<symbol, boolean>
6
7export const genContext = <T extends unknown = PtGenContext>(debugName?: string): AsyncLocalStorage<T> => {
8  if (debugName) {
9    const sym = Symbol.for(`pt.ctx.${debugName}`)
10    if (ctxRegistry[sym]) console.warn(`[genContext] dup:${debugName}`)
11    ctxRegistry[sym] = true
12  }
13  return new AsyncLocalStorage<T>()
14}
15