add hw2

node_modules/pino/examples/basic.js

@@ -0,0 +1,43 @@
+'use strict'
+
+// Pino's primary usage writes ndjson to `stdout`:
+const pino = require('..')()
+
+// However, if "human readable" output is desired,
+// `pino-pretty` can be provided as the destination
+// stream by uncommenting the following line in place
+// of the previous declaration:
+// const pino = require('..')(require('pino-pretty')())
+
+pino.info('hello world')
+pino.error('this is at error level')
+pino.info('the answer is %d', 42)
+pino.info({ obj: 42 }, 'hello world')
+pino.info({ obj: 42, b: 2 }, 'hello world')
+pino.info({ nested: { obj: 42 } }, 'nested')
+setImmediate(() => {
+  pino.info('after setImmediate')
+})
+pino.error(new Error('an error'))
+
+const child = pino.child({ a: 'property' })
+child.info('hello child!')
+
+const childsChild = child.child({ another: 'property' })
+childsChild.info('hello baby..')
+
+pino.debug('this should be mute')
+
+pino.level = 'trace'
+
+pino.debug('this is a debug statement')
+
+pino.child({ another: 'property' }).debug('this is a debug statement via child')
+pino.trace('this is a trace statement')
+
+pino.debug('this is a "debug" statement with "')
+
+pino.info(new Error('kaboom'))
+pino.info(null)
+
+pino.info(new Error('kaboom'), 'with', 'a', 'message')