Function NewKVNamespace

src/test-utils.ts:167–205

(
  bindingConfig: { name: string },
  store: Map<string, any> = new Map(),
  metadata: Map<string, any> = new Map(),
)

}

export const NewKVNamespace = (
  bindingConfig: { name: string },
  store: Map<string, any> = new Map(),
  metadata: Map<string, any> = new Map(),
) => {
  let binding = Namespace()
  binding.get = (key: string, type: string) => {
    const m = store.has(key)
    if (m) {
      const val = store.get(key)
      return Promise.resolve(type === 'json' ? JSON.parse(val) : val)
    }
    return Promise.resolve(null)
  }
  binding.delete = (key: string) => {
    store.delete(key)
    metadata.delete(key)
    return Promise.resolve()
  }
  binding.put = (key: string, value: any, m: any) => {
    store.set(key, value)
    metadata.set(key, m)
    return Promise.resolve()
  }
  binding.getWithMetadata = async (
    key: string,
    options: { metadata: boolean; type: string },
  ) => {
    const m = metadata.get(key)
    return {
      value: await binding.get(key, options.type),
      metadata: m?.metadata,
    }
  }
  // @ts-ignore
  globalThis[bindingConfig.name] = binding

  return { store, metadata }
}

// @ts-ignore - faking it
globalThis.Headers = class Headers extends Map {