Function modifyEnv

packages/platform-node/test/PlatformConfigProvider.test.ts:98–113

(key: string, value: string)

  })

const modifyEnv = (key: string, value: string) =>
  Effect.gen(function*() {
    const isInEnv = key in process.env
    const original = process.env[key]
    process.env[key] = value

    yield* Effect.addFinalizer(() =>
      Effect.sync(() => {
        if (isInEnv) {
          process.env[key] = original
        } else {
          delete process.env[key]
        }
      })
    )
  })