fatsify核心功能示例测试!!!

node_modules/pino/test/esm/esm.mjs

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+import t from 'tap'
+import pino from '../../pino.js'
+import helper from '../helper.js'
+
+const { sink, check, once } = helper
+
+t.test('esm support', async ({ equal }) => {
+  const stream = sink()
+  const instance = pino(stream)
+  instance.info('hello world')
+  check(equal, await once(stream, 'data'), 30, 'hello world')
+})